Post on 02-Apr-2018
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Split System Air ConditionersSkyAir
NU-V1/Y1 Series
Cooling Only [50Hz]
ED24 - 631A
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ED24-631A
Table of Contents i
SkyAir NU Series Cooling Only [50Hz] ....................................1
1. External Appearance...............................................................................2
2. Model Name, Power Supply and Nomenclature .....................................32.1 Model Name and Power Supply...............................................................3
2.2 Nomenclature...........................................................................................4
3. Functions.................................................................................................53.1 NU Series.................................................................................................5
4. Specifications..........................................................................................6
5. Dimensions and Service Space ............................................................125.1 Indoor Unit..............................................................................................12
5.2 Wired Remote Controller........................................................................22
5.3 Wireless Remote Controller ...................................................................25
5.4 Outdoor Unit ...........................................................................................26
5.5 Installation Service Space for R26~56NU..............................................30
6. Piping Diagrams....................................................................................32
7. Wiring Diagrams....................................................................................347.1 Indoor Unit..............................................................................................34
7.2 Remote Controller ..................................................................................38
7.3 Outdoor Unit ...........................................................................................40
7.4 Field Wiring ............................................................................................44
8. Electric Characteristics..........................................................................458.1 R18~26NUV1 / Y1..................................................................................45
8.2 R36~56NUV1 / Y1..................................................................................46
9. Capacity Tables ....................................................................................479.1 Capacity Tables......................................................................................47
9.2 Capacity Correction Factor by the Length of Refrigerant Piping............5110.Operation Limit......................................................................................52
11.Fan Performance ..................................................................................5311.1 FDBG-NU...............................................................................................53
11.2 FDMG-NU ..............................................................................................54
12.Sound Level ..........................................................................................5612.1 Overall Sound Level...............................................................................56
12.2 Octave Band Level .................................................................................58
13.Installation .............................................................................................6113.1 Indoor Unit..............................................................................................61
13.2 Outdoor Unit .........................................................................................10314.Accessories.........................................................................................116
14.1 Indoor Unit............................................................................................116
14.2 Outdoor Unit .........................................................................................118
15.Remote Controller ...............................................................................11915.1 Operation..............................................................................................119
16.Detail Explanation of Options..............................................................12416.1 Ceiling Mounted Cassette Type (Multi Flow) [FHC] .............................124
16.2 Ceiling Suspended Type [FH] ..............................................................143
16.3 Duct Connection Low Static Pressure Type [FDBG]............................144
16.4 Outdoor Unit .........................................................................................145
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ED24-631A
ii Table of Contents
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ED24-631A
SkyAir NU Series Cooling Only 1
SkyAir NU Series Cooling Only [50Hz] Model Series
Class 18 21 26 36 42 48 51 56
Indoor Unit
FHC 18NU 21NU 26NU 36NU 42NU 48NU
FH 21NU 26NU 36NU 42NU 48NU
FDBG 18NU 21NU 26NU
FDMG 26NU 36NU 42NU 48NU 51NU 56NU
Outdoor Unit R 18NU 21NU 26NU 36NU 42NU 48NU 51NU 56NU
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External Appearance ED24-631A
2 SkyAir NU Series Cooling Only
1. External Appearance
Indoor Unit
Wired
Remote Controller
Wireless
Remote Controller
Outdoor Unit
FHC-NU FH-NU FDBG-NU FDMG-NU
BRC1C61(for FHC)
BRC1NU61(for FH)
KRC47-1(for FDBG, FDMG)
KRC47-2KRC47-4
(for FDBG, FDMG)
BRC7C613W(for FHC)
BRC7NU66(for FH)
R18NU R21NU R26NU
R36NU R42NU R48 51NU R56NU
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ED24-631A Model Name, Power Supply and Nomenclature
SkyAir NU Series Cooling Only 3
2. Model Name, Power Supply and Nomenclature
2.1 Model Name and Power Supply
Note: 1. : New Model or Changed Model
2. Power Supply Intake : Outdoor Unit
Indoor Unit Outdoor Unit Power Supply
FHC18NUV1 R18NUV1
1 phase 220~240V 50Hz
FHC21NUV1 R21NUV1
FHC26NUV1 R26NUV1
FHC36NUV1 R36NUV1
FHC26NUV1 R26NUY1
3 phase 380~415V 50Hz(4 wires)
FHC36NUV1 R36NUY1
FHC42NUV1 R42NUY1
FHC48NUV1 R48NUY1
FH21NUV1 R21NUV1
1 phase 220~240V 50HzFH26NUV1 R26NUV1
FH36NUV1 R36NUV1
FH26NUV1 R26NUY1
3 phase 380~415V 50Hz(4 wires)
FH36NUV1 R36NUY1
FH42NUV1 R42NUY1
FH48NUV1 R48NUY1
FDBG18NUV1 R18NUV1
1 phase 220~240V 50HzFDBG21NUV1 R21NUV1
FDBG26NUV1 R26NUV1
FDBG26NUV1 R26NUY1 3 phase 380~415V 50Hz
(4 wires)
FDMG26NUV1 R26NUV1
1 phase 220~240V 50Hz
FDMG36NUV1 R36NUV1
FDMG26NUV1 R26NUY1
3 phase 380~415V 50Hz(4 wires)
FDMG36NUV1 R36NUY1
FDMG42NUV1 R42NUY1
FDMG48NUV1 R48NUY1
FDMG51NUV1 R51NUY1
FDMG56NUV1 R56NUY1
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Model Name, Power Supply and Nomenclature ED24-631A
4 SkyAir NU Series Cooling Only
2.2 Nomenclature
Indoor Unit
Outdoor Unit
Power Supply SymbolV1 : 1 phase 220~240V 50Hz
Indicates Major Design Category
Capacity Indication
DIT Products
FHC : Ceiling Mounted Cassette Type -Multi Flow-FH : Ceiling Suspended TypeFDB : Duct Connection Low Static Pressure Type
(Cooling Only)FDM : Duct Connection Middle Static Pressure Type
(Cooling Only)
G V118 NUFDM
Power Supply SymbolV1 : 1 phase 220~240V 50HzY1 : 3 phase 380~415V 50Hz
Indicates Major Design Category
Capacity Indication
Outdoor UnitR : Cooling Only
R V118 NU
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ED24-631A Functions
SkyAir NU Series Cooling Only 5
3. Functions
3.1 NU Series
FHC-NU
FH-NU
FDBG-NU
FDMG-NU
{ : Functions exist.
: No Functions
Item Feature Ceiling Mounted Casssete Type (FHC)
Comfort
Auto swing {Swing pattern selection {
Switchable fan speed {
Program "Dry" {
High ceiling application {
Two selectablethermo-sensors
Wired type {
Wireless type
Timer selector {
Mildew prevention Mold resistant treatment for filter {
Work & servicing
Drain water lift-up mechanism {
Pre-charged for up to 10 m { (18~26)
Pre-charged for up to 15 m { (36~48)
Long-life filter {
Filter sign {
Ceiling soiling prevention {
Control features
Auto-restart {
Ultra long-life filter {
High-efficiency filter {
Fresh air intake kit {
Others PE fin for outdoor unit {
Item Feature Ceiling Suspended Type (FH)
Comfort
Auto swing {
Switchable fan speed {
Program "Dry" {
Timer selector {
Mildew preventionMold resistant treatment for filter {
Mildew-proofing drain pan {
Work & servicing
Pre-charged for up to 10 m { (21 26)
Pre-charged for up to 15 m { (36~48)
Long-life filter {
Control features Auto-restart {
Others PE fin for outdoor unit {
Item Feature Duct Connection Low Static Pressure Type (FDBG)
Comfort Switchable fan speed {Work & servicing Pre-charged for up to 10 m { (18~26)
Control features Auto-restart {
OthersPE fin for outdoor unit {
Adjustable external static pressure {
Item Feature Duct Connection Middle Static Pressure Type (FDMG)
Comfort Switchable fan speed {
Work & servicingPre-charged for up to 10 m { (26)
Pre-charged for up to 15 m { (36~51)
Control features Auto-restart {
OthersPE fin for outdoor unit {
Adjustable external static pressure {
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ED24-631A Specifications
SkyAir NU Series Cooling Only 9
FDBG (Duct Connection Low Static Pressure Type)
Note: 1. The above data are based on the following conditions.
2. Capacities are net, including a deduction for cooling for indoor fan motor heat.
3. Refer to "11. Fan Performance" in detail.
Model
Indoor Unit FDBG18NUV1 FDBG21NUV1 FDBG26NUV1
Outdoor UnitV1 R18NUV1 R21NUV1 R26NUV1
Y1 - - R26NUY1
1 2 Cooling Capacity (1) / (2)
Btu/h 18,100/18,000 21,200/21,000 26,300/26,000
kW 5.3/5.3 6.2/6.2 7.7/7.6
kcal/h 4,580/4,560 5,340/5,290 6,630/6,550
Indoor Unit FDBG18NUV1 FDBG21NUV1 FDBG26NUV1Dimensions HWD mm 260900580 2601,300580 2601,300580
Coil
Type Cross Fin Coil
RowStagesFin Pitch 3101.75 3101.75 3101.75
Face Area m 0.189 0.231 0.231
Fan
Type Sirocco Fan
Motor Output W 45 65 65
Air Flow Rate 3 m/min (H) 13 (L) 11 (H) 18 (L) 15 (H) 18 (L) 15
Mass (Weight) kg 23 31 31
PipingConnections
Liquid mm 6.4 (Flare) 6.4 (Flare) 9.5 (Flare)
Gas mm 15.9 (Flare) 15.9 (Flare) 15.9 (Flare)Drain mm 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2)
Remote Controller(Option)
Wired KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4
Wireless - - -
Outdoor UnitV1 R18NUV1 R21NUV1 R26NUV1
Y1 - - R26NUY1
Color Ivory White Ivory
Dimensions HWD mm 540750270 685800300 770900320
Coil
Type Cross Fin Coil
RowStagesFin Pitch 2222.0 2282.0 2342.0
Face Area m 0.372 0.465 0.634
Comp.
ModelV1 RC70AV1TRT NH41VMDT NH52VNHT
Y1 - - NH52YDTT
Type Hermetically Sealed Rotary Type
Motor Output kW 1.7 2.2 2.5
Fan
Model PZ380 PZ430 P47L11S
Type Propeller
Motor Output W 45 53 90
Air Flow Rate m/min 27 40 59
Mass (Weight) kgV1 42 61 70
Y1 - - 69
PipingConnections
Liquid mm 6.4 (Flare) 6.4 (Flare) 9.5 (Flare)Gas mm 15.9 (Flare) 15.9 (Flare) 15.9 (Flare)
Drain mm 18.0 (Hole) 18.0 (Hole) 26.0 (Hole)
Safety DevicesThermal Protector for Compressor,Outdoor Fan Motor and Indoor FanMotor. Fuse.
Thermal Protector for Outdoor Fan Motor and Indoor Fan Motor.Internal Protector of Compressor. Reverse Phase Protector (Y1). Fuse.
Capacity Step % 1000 1000 1000
Refrigerant Control Capillary Tube
Ref. PipingMax. Length m 30 (Equivalent Length 50m) 30 (Equivalent Length 50m) 30 (Equivalent Length 50m)
Max. Height Difference m 15 15 20
RefrigerantModel R-22 R-22 R-22
Charge (Factory Charge) kg 1.20 (Charged for 10m) 1.50 (Charged for 10m) 2.3 (Charged for 10m)
Ref. OilModel Refer to the name plate of compressor.
Charge L 0.85 1.20 1.3
Drawing No. C : 4D054295B C : 4D054288A
Conversion Formulae
kcal/h=kW860
Btu/h=kW3412cfm=m/min35.3
Cooling Equivalent Piping Length Hz, Volts
(1) Indoor:Outdoor:
27C(81F)DB, 19.5C(67F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal) 50Hz, 220V(380V)
(2)Indoor:Outdoor:
27C(81F)DB, 19.0C(66F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal)50Hz, 220V
(380V)
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Specifications ED24-631A
10 SkyAir NU Series Cooling Only
FDMG (Duct Connection Middle Static Pressure Type)
Note: 1. The above data are based on the following conditions.
2. Capacities are net, including a deduction for cooling for indoor fan motor heat.
3. Refer to "11. Fan Performance" in detail.
Model
Indoor Unit FDMG26NUV1 FDMG36NUV1 FDMG42NUV1
Outdoor UnitV1 R26NUV1 R36NUV1 -
Y1 R26NUY1 R36NUY1 R42NUY1
1 2 Cooling Capacity (1) / (2)
Btu/h 26,300/26,000 36,500/36,000 42,700/42,000
kW 7.7/7.6 10.7/10.6 12.5/12.3
kcal/h 6,630/6,550 9,200/9,100 10,800/10,600
Indoor Unit FDMG26NUV1 FDMG36NUV1 FDMG42NUV1Dimensions HWD mm 3051,350680 3051,550680 3051,550680
Coil
Type Cross Fin Coil
RowStagesFin Pitch 3121.75 3121.75 3121.75
Face Area m 0.290 0.340 0.340
Fan
Type Sirocco Fan
Motor Output W 125 225 225
Air Flow Rate 3 m/min 23 37 42
Rated Ext. Static Pressure 3 mmH2O 8.5 9.8 8.0
Mass (Weight) kg 43 52 52
PipingConnections
Liquid mm 9.5 (Flare) 9.5 (Flare) 9.5 (Flare)Gas mm 15.9 (Flare) 19.1 (Flare) 19.1 (Flare)Drain mm 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2)
Remote Controller(Option)
Wired KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4
Wireless - - -
Outdoor UnitV1 R26NUV1 R36NUV1 -
Y1 R26NUY1 R36NUY1 R42NUY1
Color Ivory
Dimensions HWD mm 770900320 1,170900320 1,170900320
Coil
Type Cross Fin Coil
RowStagesFin Pitch 2342.0 1521.4 1521.4
Face Area m 0.634 1.015 1.015
Comp.
ModelV1 NH52VNHT JT125GA-V1@K -
Y1 NH52YDTT JT125GA-Y1@K JT160GA-Y1@K
Type Hermetically Sealed Rotary Type Hermetically Sealed Scroll Type
Motor Output kW 2.5 3.00 3.75
Fan
Model P47L11S P47L11S P47L11S2
Type Propeller
Motor Output W 90 90 65+90
Air Flow Rate m/min 59 59 92
Mass (Weight) kgV1 70 81 -
Y1 69 79 87
PipingConnections
Liquid mm 9.5 (Flare) 9.5 (Flare) 9.5 (Flare)
Gas mm 15.9 (Flare) 19.1 (Flare) 19.1 (Flare)Drain mm 26.0 (Hole) 26.0 (Hole) 26.0 (Hole)
Safety Devices
Thermal Protector for Outdoor FanMotor and Indoor Fan Motor. InternalProtector of Compressor. ReversePhase Protector (Y1). Fuse.
Thermal Protector for Outdoor Fan Motor and Indoor Fan Motor. High PressureSwitch. Low Pressure Switch. Internal Protector of Compressor. Reverse PhaseProtector (Y1). Fuse. Thermo Switch (Discharge Pipe).
Capacity Step % 1000 1000 1000
Refrigerant Control Capillary Tube
Ref. PipingMax. Length m 30 (Equivalent Length 50m) 30 (Equivalent Length 50m) 30 (Equivalent Length 50m)
Max. Height Difference m 20 20 20
RefrigerantModel R-22 R-22 R-22
Charge (Factory Charge) kg 2.3 (Charged for 10m) 2.0 (Charged for 15m) 2.4 (Charged for 15m)
Ref. OilModel Refer to the name plate of compressor.
Charge L 1.3 1.4 1.4
Drawing No. C : 4D054287A C : 3D052567B
Conversion Formulaekcal/h=kW860Btu/h=kW3412
cfm=m/min35.3
Cooling Equivalent Piping Length Hz, Volts
(1)Indoor:Outdoor:
27C(81F)DB, 19.5C(67F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal)50Hz, 220V
(380V)
(2)Indoor:Outdoor:
27C(81F)DB, 19.0C(66F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal)50Hz, 220V
(380V)
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ED24-631A Specifications
SkyAir NU Series Cooling Only 11
FDMG (Duct Connection Middle Static Pressure Type)
Note: 1. The above data are based on the following conditions.
2. Capacities are net, including a deduction for cooling for indoor fan motor heat.3. Refer to "11. Fan Performance" in detail.
ModelIndoor Unit FDMG48NUV1 FDMG51NUV1 FDMG56NUV1
Outdoor Unit R48NUY1 R51NUY1 R56NUY1
1 2 Cooling Capacity (1) / (2)
Btu/h 49,100/48,000 52,200/51,000 57,000/56,000
kW 14.4/14.1 15.3/15.0 16.7/16.4
kcal/h 12,400/12,100 13,200/12,900 14,400/14,100
Indoor Unit FDMG48NUV1 FDMG51NUV1 FDMG56NUV1
Dimensions HWD mm 3051,550680 3051,900680 3051,900680
Coil
Type Cross Fin Coil
RowStagesFin Pitch 3121.75 3121.75 3121.75
Face Area m 0.340 0.428 0.428
Fan
Type Sirocco Fan
Motor Output W 225 225 225
Air Flow Rate 3 m/min 42 42 42
Rated Ext. Static Pressure 3 mmH2O 8.0 9.8 9.8
Mass (Weight) kg 52 58 58
PipingConnections
Liquid mm 9.5 (Flare) 9.5 (Flare) 9.5 (Flare)
Gas mm 19.1 (Flare) 19.1 (Flare) 19.1 (Flare)Drain mm 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2) 3/4 B (I.D.21.6 O.D.27.2)
Remote Controller(Option)
Wired KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4 KRC47-1 KRC47-2 KRC47-4
Wireless - - -
Outdoor Unit R48NUY1 R51NUY1 R56NUY1
Color Ivory
Dimensions HWD mm 1,345900320 1,345900320 1,345880370
Coil
Type Cross Fin Coil
RowStagesFin Pitch 1601.4 1601.4 2602.0
Face Area m 1.172 1.172 1.088
Comp.
Model JT170GA-Y1@K JT170GA-Y1@K JT200B-YE
Type Hermetically Sealed Scroll Type
Motor Output kW 4.50 4.50 4.50
Fan
Model P47L11S2 P47L11S2 P45J11S2
Type Propeller
Motor Output W 65+90 65+90 64+56
Air Flow Rate m/min 97 97 101
Mass (Weight) kg 92 93 114
PipingConnections
Liquid mm 9.5 (Flare) 9.5 (Flare) 9.5 (Flare)Gas mm 19.1 (Flare) 19.1 (Flare) 19.1 (Flare)Drain mm 26.0 (Hole) 26.0 (Hole) 26.0 (Hole)
Safety DevicesThermal Protector for Outdoor Fan Motor and Indoor Fan Motor. High Pressure Switch. Low Pressure Switch. InternalProtector of Compressor. Reverse Phase Protector (Y1). Fuse. Thermo Switch (Discharge Pipe).
Capacity Step % 1000 1000 1000Refrigerant Control Capillary Tube
Ref. PipingMax. Length m 30 (Equivalent Length 50m) 30 (Equivalent Length 50m) 50 (Equivalent Length 70m)
Max. Height Difference m 20 20 30
RefrigerantModel R-22 R-22 R-22
Charge (Factory Charge) kg 2.6 (Charged for 15m) 2.7 (Charged for 15m) 2.8 (Charged for 5m)
Ref. OilModel Refer to the name plate of compressor.
Charge L 1.4 1.4 1.6
Drawing No. C : 3D052567B
Conversion Formulae
kcal/h=kW860Btu/h=kW3412
cfm=m/min35.3
Cooling Equivalent Piping Length Hz, Volts
(1)Indoor:Outdoor:
27C(81F)DB, 19.5C(67F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal)50Hz, 220V
(380V)
(2)Indoor:Outdoor:
27C(81F)DB, 19.0C(66F)WB35C(95F)DB, 24C(75F)WB
7.5m (Horizontal)50Hz, 220V
(380V)
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Dimensions and Service Space ED24-631A
12 SkyAir NU Series Cooling Only
5. Dimensions and Service Space
5.1 Indoor Unit
5.1.1 FHC (Ceiling Mounted Cassette Type)
FHC18NU + BYC125K-W1
FHC21NU + BYC125K-W1
FHC26NU + BYC125K-W1
C : 3D054367
4. When the temperature and humidity in the ceil ing exceed 30C and RH 80%or the fresh air is inducted into the ceiling or the unit continues 24 houroperation, an addit ional insulat ion (th ickness 10mm or more of g lasswool orpolyethylene form) is required.
Unit (mm)
C : 3D054368
Unit (mm)
4. When the temperature and humidity in the ceil ing exceed 30C and RH 80%or the fresh air is inducted into the ceiling or the unit continues 24 houroperation, an addit ional insulat ion (th ickness 10mm or more of g lasswool orpolyethylene form) is required.
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 13
FHC36NU + BYC125K-W1
FHC42NU + BYC125K-W1
FHC48NU + BYC125K-W1
5.1.2 FHC with High-Efficiency Filter
KAFP556D80 557D80 for FHC18~26NU
C : 3D052528
4. When the tempera tu re and humid i ty in the ce i l ing exceed 30C and RH 80%or the fresh a i r i s inducted in to the ce i l ing o r the un i t con t inues 24 houropera t ion , an add i t iona l insu la t ion ( th ickness 10mm or more o f g lasswoo l o rpo lye thylene fo rm) is requ i red .
Unit (mm)
Note:When other optional kit is installed, refer to the installationdrawing of its optional kit.
6
5
4
3
2
1
Number Description
Drain pipe connection
Gas pipe connection
Liquid pipe connection
High efficiency filter
Decoration panel
Indoor unit
Name
Unit (mm)
JC : 3D032975C
290
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Dimensions and Service Space ED24-631A
14 SkyAir NU Series Cooling Only
KAFP556D160 557D160 for FHC36~48NU
5.1.3 FHC with Fresh Air Intake Kit (Without T Joint, Duct Fan)
KDDP55D160 for FHC18~26NU
Note:When other optional kit is installed, refer to the installationdrawing of its optional kit.
6
5
4
3
2
1
Number Description
Drain pipe connection
Gas pipe connection
Liquid pipe connection
High efficiency filter
Decoration panel
Indoor unit
Name
Unit (mm)
J : 3D032976C
Note:1.When installing this kit, Service Access Panel is necessary.(It is necessary when servicing.)
2.Either one of Service Access Panel must be installed.3.Field construction.4.In case of using wireless remote controller kit, this part
will be the infrared receiver.5.When both side intakes can not be ensured due to the
obstacles, one side intake is acceptable.6.When installing the wireless infrared reciever to the unit,
air inlet must be on the right side as shown.
5
4
3
2
1
Number Description
Connection chamber(Left)
Connection chamber(Right)
Suction chamber
Decoration panel
Indoor unit
Name
JC : 3D032981D
Unit (mm)Service Access Panel :450450mm or more
Service Access Panel :450450mm or more
Refer to Note 2
Refer to Note 2
Installation Service Access Panel
Connection Chamber (Right)
How to connect Chamber 4Independently(Refer to Note 5,6)
RefrigerantPiping
ViewNote 4
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 15
KDDP55D160 for FHC36~48NU
5.1.4 FHC with Fresh Air Intake Kit (With T Joint, Without Duct Fan)
KDDP55D160K for FHC18~26NU
Connection Chamber (Right)
How to connect Chamber 4Independently(Refer to Note 5,6)
Service Access Panel :450450mm or more
Service Access Panel :450450mm or more
Refer to Note 2
Refer to Note 2
Installation Service Access Panel
Note:1.When installing this kit, Service Access Panel isnecessary. (It is necessary when servicing.)
2.Either one of Service Access Panel must be installed.3.Field construction.4.In case of using wireless remote controller kit, this part
will be the infrared receiver.5.When both side intakes can not be ensured due to the
obstacles, one side intake is acceptable.6.When installing the wireless infrared reciever to the unit,
air inlet must be on the right side as shown.
5
4
3
2
1
Number Description
Connecting chamber(Left)
Connecting chamber(Right)
Suction chamber
Decoration panel
Indoor unit
Name
JC : 3D032984D
Unit (mm)
RefrigerantPiping
View Note 4
Service Access Panel :450450mm or more
Service Access Panel :450450mm or more
Refer to Note 2
Refer to Note 2
Installation Service Access Panel
Connecting Chamber (Right)
How to connect Chamber 4Independently(Refer to Note 5)
Flexible Duct
(Accessory)
Suction Duct (K-KFD9A)
Optional (Accessory)
T Joint
(Accessory)Plate Band (Accessory)
Note:1.When installing this kit, inspection hatch is necessary.(It is necessary when servicing.)
2.Either one of inspection hatch must be installed.3.Field construction.
4.This kit does not take together with Wireless Remoto Controller kit.5.When both side intakes can not be ensured due to the
obstacles, one side intake is acceptable.
5
4
3
2
1Number Description
Connecting chamber(Left)
Connecting chamber(Right)
Suction chamber
Decoration panel
Indoor unitName
JC : 3D032987D
Unit (mm)
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Dimensions and Service Space ED24-631A
16 SkyAir NU Series Cooling Only
KDDP55D160K for FHC36~48NU
5.1.5 FHC with Panel Spacer
KDBP55H160WA for FHC18~26NU
Service Access Panel :450450mm or more
Service Access Panel :450450mm or more
Refer to Note 2
Refer to Note 2
Installation Service Access Panel
Connecting Chamber (Right)
How to connect Chamber 4Independently(Refer to Note 5)
Flexible Duct
(Accessory)
Suction Duct (K-KFD9A)
Optional (Accessory)T Joint
(Accessory)
Plate Band (Accessory)
Unit (mm)
Note:1.When installing this kit, inspection hatch is necessary.(It is necessary when servicing.)
2.Either one of inspection hatch must be installed.3.Field construction.4.This kit does not take together with Wireless Remoto Controller kit.5.When both side intakes can not be ensured due to the
obstacles, one side intake is acceptable.
5
4
3
2
1
Number Description
Connecting chamber(Left)
Connecting chamber(Right)
Suction chamber
Decoration panel
Indoor unit
Name
J : 3D032990D
View
Dimensionbetween
thebottomsurface
ofboxand
thesurfaceofceiling
Thickness
ofpanelspacer
3
2
1
Number
Panel spacer
Decoration panel
Indoor unit
Name Description
JC : 3D005390E
Note:When other optional kit is installed, refer to the installation
drawing of its optional kit
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 17
KDBP55H160WA for FHC36~48NU
5.1.6 FH (Ceiling Suspended Type)
FH21NU
View
Dimensionbetween
thebottomsurface
ofboxand
thesurfaceofceiling
Thickness
ofpanelspacer
3
2
1
Number
Panel spacer
Decoration panel
Indoor unit
Name Description
Note:When other optional kit is installed, refer to the installation
drawing of its optional kit
JC : 3D005391D
Unit (mm)
3D054277
Unit (mm)
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Dimensions and Service Space ED24-631A
18 SkyAir NU Series Cooling Only
FH26NU
FH36NU
FH42NU
FH48NU
3D027538F
Unit (mm)
3D052469
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 19
5.1.7 FDBG (Duct Connection Low Static Pressure Type)
FDBG18NU
FDBG21NU
3D048541A
Unit (mm)
3D048542A
Unit (mm)
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Dimensions and Service Space ED24-631A
20 SkyAir NU Series Cooling Only
FDBG26NU
5.1.8 FDMG (Duct Connection Middle Static Pressure Type)
FDMG26NU
3D048543A
Unit (mm)
3D048933B
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 21
FDMG36NU
FDMG42NU
FDMG48NU
FDMG51NUFDMG56NU
3D048934B
Unit (mm)
3D048935B
Unit (mm)
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Dimensions and Service Space ED24-631A
22 SkyAir NU Series Cooling Only
5.2 Wired Remote Controller
BRC1C61 (for FHC-NU)
BRC1NU61 (for FH-NU)
3D028952
Unit (mm)
3D052351
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 23
KRC47-1 (for FDBG-NU and FDMG-NU)
KRC47-2 (Digital Remote Controller) (for FDBG-NU and FDMG-NU)
KRC47-2 contains the following parts, and they are packed in one carton.
1. Digital Remote Controller
2. Holder
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Dimensions and Service Space ED24-631A
24 SkyAir NU Series Cooling Only
3. Control Board (Box)
4. Wire Cable
Cable length : 4m
Connecting cable between 1. Digital Remote Controller and 3. Control Board (Box).
KRC47-4 (Digital Remote Controller for Duct Heater Use) (for FDBG-NU and FDMG-NU)
1. Digital Remote Controller
(P0007)
For other parts 2. Holder, 3. Control Board (Box), 4. Wire Cable will be the same as KRC 47-2.
POWER
COOL
HEAT
MED
AUTO
LOW
HIGH
FAN
TEMP+ TEMP-
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 25
5.3 Wireless Remote Controller
BRC7C613W (for FHC-NU)
BRC7NU66 (for FH-NU)
3D005912D
Unit (mm)
3D052347
Unit (mm)
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Dimensions and Service Space ED24-631A
26 SkyAir NU Series Cooling Only
5.4 Outdoor Unit
R18NU
R21NU
3D053564
Unit (mm)
3D053561
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 27
R26NU
R36NU
3D054206
Unit (mm)
3D052425
Unit (mm)
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Dimensions and Service Space ED24-631A
28 SkyAir NU Series Cooling Only
R42NU
R48NUR51NU
3D052426
Unit (mm)
3D052427
Unit (mm)
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 29
R56NU
C : 3D052527
Unit (mm)
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Dimensions and Service Space ED24-631A
30 SkyAir NU Series Cooling Only
5.5 Installation Service Space for R26~56NU
3D052620A
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ED24-631A Dimensions and Service Space
SkyAir NU Series Cooling Only 31
3D052620A
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Piping Diagrams ED24-631A
32 SkyAir NU Series Cooling Only
6. Piping Diagrams
R18 21NU
R26NU
4D050891B
3D053984
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ED24-631A Piping Diagrams
SkyAir NU Series Cooling Only 33
R36~56NU
3D052278
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Wiring Diagrams ED24-631A
34 SkyAir NU Series Cooling Only
7. Wiring Diagrams
7.1 Indoor Unit
FHC18NUV1FHC21NUV1FHC26NUV1FHC36NUV1FHC42NUV1FHC48NUV1
3D052066A
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ED24-631A Wiring Diagrams
SkyAir NU Series Cooling Only 35
FH21NUV1FH26NUV1FH36NUV1FH42NUV1FH48NUV1
3D052046A
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ED24-631A Wiring Diagrams
SkyAir NU Series Cooling Only 37
FDMG26NUV1FDMG36NUV1FDMG42NUV1FDMG48NUV1FDMG51NUV1FDMG56NUV1
3D052109A
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Wiring Diagrams ED24-631A
38 SkyAir NU Series Cooling Only
7.2 Remote Controller
KRC47-1
KRC47-2
P1 P2 P3 P4
OFF ON
P5 P6
D A B C E F
CONTROL BOARD
H M
FAN
L (ON/OFF)L
N
FDBG
FDMG
ELECTRONIC
CONTR
OL
TEMPERA
TURE
CONTR
OL
(P0008-631A)
When select the high ESP,
connect the wire as shown
below.
P2 P3 P4
A B C
Comp.(THERMOSTAT)
P8 P9
P4 P3 P2 P1 P7
LN H M
FAN
(ON/OFF)L
EF A B C DComp.
(THERMOSTAT)
CONTROL BOARD
FDBG
FDMG
THERMISTOR
REMOTE CONTROLLER
(P0009-631A)
When select the high ESP,
connect the wire as shown
below.
P3 P2 P1
A B C
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ED24-631A Wiring Diagrams
SkyAir NU Series Cooling Only 39
KRC47-4
(P0010-631A)
When select the high ESP,
connect the wire as shown
below.
P3 P2 P1
A B C
CONTROL BOARD
REMOTE CONTROLLER
DUCT HEATER(FIELD SUPPLIED)
H
P4 P3
P8 P9
P2 P1 P7
EF A B C D
P6
M
FAN
FDBGFDMG
(ON/OFF)
LLN Comp.(THERMOSTAT)
THERMISTOR
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Wiring Diagrams ED24-631A
40 SkyAir NU Series Cooling Only
7.3 Outdoor Unit
R18NUV1
R21NUV1
3D032199B
3D032200A
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ED24-631A Wiring Diagrams
SkyAir NU Series Cooling Only 41
R26NUV1
R26NUY1
3D053671A
3D053670A
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Wiring Diagrams ED24-631A
42 SkyAir NU Series Cooling Only
R36NUV1
R36NUY1
3D051564A
3D051536A
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ED24-631A Wiring Diagrams
SkyAir NU Series Cooling Only 43
R42NUY1
R48NUY1
R51NUY1
R56NUY1
3D051535A
3D052107
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Wiring Diagrams ED24-631A
44 SkyAir NU Series Cooling Only
7.4 Field Wiring
C : 4D054220C : 4D052570
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ED24-631A Electric Characteristics
SkyAir NU Series Cooling Only 45
8. Electric Characteristics
8.1 R18~26NUV1 / Y1
3D054360A3D054365A
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Electric Characteristics ED24-631A
46 SkyAir NU Series Cooling Only
8.2 R36~56NUV1 / Y1
3D0525233D0525243D0525253D052526
3D052573
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ED24-631A Capacity Tables
SkyAir NU Series Cooling Only 47
9. Capacity Tables
9.1 Capacity Tables
FHC18NUV1 / FDBG18NUV1 + R18NUV1
FHC21NUV1 / FH21NUV1 / FDBG21NUV1 + R21NUV1
3D054363A
3D054364A
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Capacity Tables ED24-631A
48 SkyAir NU Series Cooling Only
FHC26NUV1 / FH26NUV1 / FDBG26NUV1 / FDMG26NUV1 + R26NUV1
FHC26NUV1 / FH26NUV1 / FDBG26NUV1 / FDMG26NUV1 + R26NUY1
FHC36NUV1 / FH36NUV1 / FDMG36NUV1 + R36NUV1FHC36NUV1 / FH36NUV1 / FDMG36NUV1 + R36NUY1
3D054484A
3D052745A
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ED24-631A Capacity Tables
SkyAir NU Series Cooling Only 49
FHC42NUV1 / FH42NUV1 / FDMG42NUV1 + R42NUY1
FHC48NUV1 / FH48NUV1 / FDMG48NUV1 + R48NUY1
3D052746A
3D052747A
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Capacity Tables ED24-631A
50 SkyAir NU Series Cooling Only
FDMG51NUV1 + R51NUY1
FDMG56NUV1 + R56NUY1
3D052751A
3D052754A
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ED24-631A Capacity Tables
SkyAir NU Series Cooling Only 51
9.2 Capacity Correction Factor by the Length of Refrigerant Piping
The cooling capacity of the unit has to be corrected in accordance with the length of refrigerant piping.
(The distance between the indoor unit and the outdoor unit)
Reference Data
3D052761A
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Operation Limit ED24-631A
52 SkyAir NU Series Cooling Only
10.Operation Limit
3D049550B
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ED24-631A Fan Performance
SkyAir NU Series Cooling Only 53
11.Fan Performance
11.1 FDBG-NU
FDBG18NU
FDBG21NU
FDBG26NU
3D048561A
3D048562A
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Fan Performance ED24-631A
54 SkyAir NU Series Cooling Only
11.2 FDMG-NU
FDMG26NU
FDMG36NU
4D049493A
4D049488A
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ED24-631A Fan Performance
SkyAir NU Series Cooling Only 55
FDMG42NU
FDMG48NU
FDMG51NU
FDMG56NU
4D049489A
4D049490A
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Sound Level ED24-631A
56 SkyAir NU Series Cooling Only
12.Sound Level
12.1 Overall Sound Level
12.1.1 Indoor Unit
Note: Operation sound is measured in an anechoic chamber.Sound level will vary depending on a range of factors such as the construction (acoustic absorptioncoefficient) of the particular room in which the equipment installed.
dB(A)
Model220V 240V
Measuring LocationH L H L
FHC18NUV1 33 29 35 31
FHC-NUFHC21NUV1 35 30 37 32
FHC26NUV1 35 30 37 32
FHC36NUV1 42 36 44 38
FHC42NUV1 42 36 44 38
FHC48NUV1 42 36 44 38
FH21NUV1 44 40 46 42
FH-NU
FH26NUV1 44 40 46 42
FH36NUV1 46 40 48 42
FH42NUV1 48 42 50 44
FH48NUV1 49 43 51 45
FDBG18NUV1 41 38 43 40FDBG-NU
FDBG21NUV1 43 40 45 42
FDBG26NUV1 43 40 45 42
FDMG26NUV1 42 38 43 39
FDMG-NUFDMG36NUV1 45 37 46 40
FDMG42NUV1 46 37 47 40
FDMG48NUV1 46 37 47 40
FDMG51NUV1 47 37 48 39
FDMG56NUV1 47 37 48 39
4D054296
4D054245
4D054358
4D049441A
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ED24-631A Sound Level
SkyAir NU Series Cooling Only 57
12.1.2 Outdoor Unit
Note: Operation sound is measured in an anechoic chamber.Sound level will vary depending on a range of factors such as the construction (acoustic absorptioncoefficient) of the particular room in which the equipment installed.
dB(A)
Model 220 V 240 V Measuring Location
R18NUV1 49 50R18 21NU
R26~51NU
R56NU
R21NUV1 54 55
R26NUV1 57 57
R36NUV1 55 56
Model 380 V 415 V
R26NUY1 57 57
R36NUY1 55 56
R42NUY1 57 58
R48NUY1 59 60
R51NUY1 59 60
R56NUY1 56 58
4D054355
4D054333
4D049423B
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Sound Level ED24-631A
58 SkyAir NU Series Cooling Only
12.2 Octave Band Level
12.2.1 Indoor Unit
FHC18NUV1
FHC21NUV1
FHC26NUV1
FHC36NUV1
FHC42NUV1
FHC48NUV1
FH21NUV1FH26NUV1 FH36NUV1 FH42NUV1
FH48NUV1 Note:
220V
240V
4D054296 4D054293 4D052541A
4D054245 4D052455 4D052456
4D052458
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ED24-631A Sound Level
SkyAir NU Series Cooling Only 59
FDBG18NUV1
FDBG21NUV1
FDBG26NUV1 FDMG26NUV1
FDMG36NUV1
FDMG42NUV1
FDMG48NUV1
FDMG51NUV1
FDMG56NUV1
Note:220V
240V
4D054358 4D054357A 4D049441A
4D049427B 4D049431B 4D049433B
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Sound Level ED24-631A
60 SkyAir NU Series Cooling Only
12.2.2 Outdoor Unit
R18NUV1 R21NUV1
R26NUV1
R26NUY1
R36NUV1
R36NUY1 R42NUY1
R48NUY1
R51NUY1
R56NUY1 Note:V1 : 220V, Y1 : 380V
V1 : 240V, Y1 : 415V
4D054355 4D054356 4D054333
4D052428 4D052429 4D052430
4D049423B
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ED24-631A Installation
SkyAir NU Series Cooling Only 61
13.Installation
13.1 Indoor Unit
13.1.1 FHC-NUV1
3PN07217-2A
a
b
c
de
e
f
g
h
i
k
e f
l
d
j
R42 48
R18 21 26 36
Names and functions of parts
a Indoor unit
b Outdoor unit
c Remote controller
d Inlet air
e Discharged air
f Air outlet
g Air flow flap (at air outlet)h Refrigerant piping, connection
electric wire
Drain pipe
Air inletThe built-in air filter removes dust and dirt.
Drain pumping out device(built-in)
Drains water removed from the roomduring cooling.
Ground wireWire to ground from the outdoor unitto prevent electrical shocks.
i
j
k
l
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Installation ED24-631A
62 SkyAir NU Series Cooling Only
3PN07218-2B-5
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ED24-631A Installation
SkyAir NU Series Cooling Only 63
3PN07218-2B-6
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Installation ED24-631A
64 SkyAir NU Series Cooling Only
3PN07218-2B-7
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ED24-631A Installation
SkyAir NU Series Cooling Only 65
3PN07218-2B-8
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Installation ED24-631A
66 SkyAir NU Series Cooling Only
3PN07218-2B-9
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ED24-631A Installation
SkyAir NU Series Cooling Only 67
3PN07218-2B-10
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Installation ED24-631A
68 SkyAir NU Series Cooling Only
3PN07218-2B-11
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ED24-631A Installation
SkyAir NU Series Cooling Only 69
3PN07218-2B-12
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Installation ED24-631A
70 SkyAir NU Series Cooling Only
3PN07218-2B-13
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ED24-631A Installation
SkyAir NU Series Cooling Only 71
C : 3PN07218-2B-14
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Installation ED24-631A
72 SkyAir NU Series Cooling Only
3PN07218-2B-15
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ED24-631A Installation
SkyAir NU Series Cooling Only 73
3PN07218-2B-16
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Installation ED24-631A
74 SkyAir NU Series Cooling Only
3PN07218-2B-17
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ED24-631A Installation
SkyAir NU Series Cooling Only 75
3PN07218-2B-18
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Installation ED24-631A
76 SkyAir NU Series Cooling Only
3PN07218-2B-19
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ED24-631A Installation
SkyAir NU Series Cooling Only 77
3PN07218-2B-20
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Installation ED24-631A
78 SkyAir NU Series Cooling Only
3PN07218-2B-21
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ED24-631A Installation
SkyAir NU Series Cooling Only 79
3PN07218-2B-22
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ED24-631A Installation
SkyAir NU Series Cooling Only 81
13.1.2 FH-NUV1
3PN07087-1A
b
d
e
k
j
a k
i
h
f
f
c
e
e
dd
g
Names and functions of parts
a Indoor unit
b Outdoor unit
c Remote controller
d Inlet air
e Discharged air
f Air outlet
g Air flow flap (at air outlet)
h Refrigerant piping, connection electric wire
i Drain pipe
j Air inletThe built-in air filter removes dust and dirt.
kGround wireWire to ground from the outdoor unit to prevent electrical shocks.
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Installation ED24-631A
82 SkyAir NU Series Cooling Only
1PN07240B
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ED24-631A Installation
SkyAir NU Series Cooling Only 83
1PN07240B
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ED24-631A Installation
SkyAir NU Series Cooling Only 85
1PN07240B
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Installation ED24-631A
88 SkyAir NU Series Cooling Only
1PN07241A
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ED24-631A Installation
SkyAir NU Series Cooling Only 89
1PN07241A
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Installation ED24-631A
90 SkyAir NU Series Cooling Only
1PN07241A
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ED24-631A Installation
SkyAir NU Series Cooling Only 91
1PN07241A
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Installation ED24-631A
92 SkyAir NU Series Cooling Only
1PN07241A
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ED24-631A Installation
SkyAir NU Series Cooling Only 93
13.1.3 FDBG-NUV1
1PN07524
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Installation ED24-631A
94 SkyAir NU Series Cooling Only
1PN07524
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ED24-631A Installation
SkyAir NU Series Cooling Only 95
1PN07524
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Installation ED24-631A
96 SkyAir NU Series Cooling Only
1PN07524
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ED24-631A Installation
SkyAir NU Series Cooling Only 97
1PN07524
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Installation ED24-631A
98 SkyAir NU Series Cooling Only
13.1.4 FDMG-NUV1
1PN06319D
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ED24-631A Installation
SkyAir NU Series Cooling Only 99
1PN06319D
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Installation ED24-631A
100 SkyAir NU Series Cooling Only
1PN06319D
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ED24-631A Installation
SkyAir NU Series Cooling Only 101
1PN06319D
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Installation ED24-631A
102 SkyAir NU Series Cooling Only
1PN06319D
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ED24-631A Installation
SkyAir NU Series Cooling Only 103
13.2 Outdoor Unit
13.2.1 R18 21NUV1
1PN07605
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Installation ED24-631A
104 SkyAir NU Series Cooling Only
1PN07605
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ED24-631A Installation
SkyAir NU Series Cooling Only 105
1PN07605
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Installation ED24-631A
106 SkyAir NU Series Cooling Only
1PN07605
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ED24-631A Installation
SkyAir NU Series Cooling Only 107
1PN07605
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Installation ED24-631A
108 SkyAir NU Series Cooling Only
13.2.2 R26~56NUV1/Y1
1PN07127A
1PN07128B
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ED24-631A Installation
SkyAir NU Series Cooling Only 109
1PN07128B
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Installation ED24-631A
110 SkyAir NU Series Cooling Only
1PN07128B
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ED24-631A Installation
SkyAir NU Series Cooling Only 111
1PN07128B
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Installation ED24-631A
112 SkyAir NU Series Cooling Only
1PN07128B
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1PN07128B
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Installation ED24-631A
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1PN07128B
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1PN07128B
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Accessories ED24-631A
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14.Accessories
14.1 Indoor Unit
14.1.1 FHC-NU
Standard
Accessories
3PN07218-2B-3
Optional
Accessories
C : 3D054362C : 3D052565
Note: 1. Installation box for adaptor PCB (KRP1B98) is necessary.2. Wire for remote controller : Field supplied.3. Refer to the Option Handbook for the detail.4. When using the filter (HighEfficiency Filter or Ultra LongLife Filter) and the Fresh Air Intake Kit together, this kit is necessary.
Name of Option RemarkKit Name
FHC18~26NU FHC36~48NU
Decoration Panel BYC125KW1
Sealing Member of Air Discharge Outlet KDBHJ55K160Panel Spacer KDBP55H160WA
Fresh Air Intake Kit 3 Chamber Type Without T Joint KDDP55D160
With T Joint KDDP55D160K
Direct Installation Type KDDJ55X160
Chamber Connection Kit 4 KKSJ55K160
HighEfficiency Filter (Colorimetric Method 65%) KAFP556D80 KAFP556D160
(Colorimetric Method 90%) KAFP557D80 KAFP557D160
Replacement HighEfficiencyFilter
(Colorimetric Method 65%) KAFP552H80 KAFP552H160
(Colorimetric Method 90%) KAFP553H80 KAFP553H160
HighEfficiency Filter Chamber KDDFP55D160
Replacement LongLife Filter Resin Net (Gravimetric Method 50%) KAFJ551K160
Ultra LongLife Filter KAFP55D160
Replacement Ultra LongLife Filter KAFJ55K160H
Branch Duct Chamber KDJ55K80 KDJ55K160
Remote Controller Wired Type 2 BRC1C61
Wireless Type BRC7C613W
Wired LCD Remote Controller with Weekly Schedule Timer BRC1D61
Central Remote Controller DCS302CA61
Unified ON/OFF Controller DCS301BA61
Schedule Timer DST301BA61
intelligent Touch Controller DCS601C51
Adaptor for Wiring (Interlock for Fresh Air Intake Fan) 1 KRP1B57
Wiring Adaptor for Electrical Appendices 1 KRP4A53
Interface Adaptor for SkyAir Series DTA102A52
Installation Box for Adaptor PCB KRP1B98
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14.1.2 FH-NU
Standard
Accessories
1PN07240B
Optional
Accessories
3D0542253D052467
Note: 1. Wire for remote controller : Field supplied.
14.1.3 FDBG-NU
Standard
Accessories
1PN07524
Optional
Accessories
4D048550A
Note: 1. If you use local remote controller, 3 minutes timer is necessary for the recycling guard of compressor.2. Central controls using with VRV controller are available on request. Please consult DAIKIN.
Name of Option RemarkKit Name
FH21 26NU FH36~48NU
Replacement LongLife Filter KAFJ501D80 KAFJ501D160
LType Piping Kit For Upward Direction KHFJ5F80 KHFJ5F160Remote Controller Wired Type 1 BRC1NU61
Wireless Type BRC7NU66
Name of Option RemarkKit Name
FDBG18NU FDBG21 26NU
Remote Controller with 3 Minutes Timer KRC47-1
Digital Remote Controller with 3 Minutes Timer KRC47-2
Digital Remote Controllerwith 3 Minutes Timer
With Switch for Duct Heater KRC47-4
Suction Grille KDGF19A45 KDGF19A71
Drain Pan Cover KKD19A1
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Accessories ED24-631A
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14.1.4 FDMG-NU
Standard
Accessories
1PN06319D
Optional
Accessories
4D0544004D052569
Note: 1. If you use local remote controller, 3 minutes timer is necessary for the recycling guard of compressor.2. Central controls using with VRV controller are available on request. Please consult DAIKIN.
14.2 Outdoor Unit
14.2.1 R-NU
Optional
Accessories
4D052475B
Name of Option RemarkKit Name
FDMG26~56NU
Remote Controller with 3 Minutes Timer KRC47-1
Digital Remote Controller with 3 Minutes Timer KRC47-2
Digital Remote Controllerwith 3 Minutes Timer
With Switch for Duct Heater KRC47-4
Name of OptionKit Name
R18NU R21NU R26~56NU
Drain Piping Kit - KIS95 -
Central Drain Plug - - KKPJ5F180
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ED24-631A Remote Controller
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15.Remote Controller
15.1 Operation
15.1.1 Wired Remote Controller : BRC1C61 (for FHC)
3PN07217-2A
2
1011
3
14
6
7
8
13
1415 16 17
18
19
20
21
9
12
5
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Remote Controller ED24-631A
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15.1.2 Wired Remote Controller : BRC1NU61 (for FH)
3PN07204-2
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15.1.3 Wireless Remote Controller : BRC7C613W (for FHC)
C : 3PA63363-4P
Fig.1 Fig.2
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Remote Controller ED24-631A
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15.1.4 Wireless Remote Controller : BRC7NU66 (for FH)
FIgure 1
3PN07204-1-4
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ED24-631A Remote Controller
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FIgure 2 (Explanation of Receiver)
3PN07204-1-5
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Detail Explanation of Options ED24-631A
124 SkyAir NU Series Cooling Only
16.Detail Explanation of Options
16.1 Ceiling Mounted Cassette Type (Multi Flow) [FHC]
16.1.1 BYC125KW1S Decoration Panel
BEFORE INSTALLATION
PRECAUTIONS
Refer also to the installation manual attached to the indoor unit.
ACCESSORIES
Installation manual.
NOTE TO INSTALLER
Be sure to instruct the customer how to properly operate the system showing him/her the attached operation manual.
HANDLING OF DECORATION PANELS
Never place the panel facing down nor lean it against a wall nor leave it on a projecting object. Never touch or put pressure on the swing flap.
(The swing flap may malfunction.)
(1) Remove the suction grille from the decoration panel.
1) Push the suction grille lever inward and lift up the lever side.
(Refer to Fig. 1.)
PREPARATION OF DECORATION PANEL
Lever
Fig. 1
45
Fig. 2
2) Detach the suction grille from the decoration panel by lifting the
grille up approximately 45 degrees. (Refer to Fig. 2.)
Fig. 3
(2) Remove the service cover on the corner.
Slide the service cover outward to remove. (Refer to Fig. 3.)
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ED24-631A Detail Explanation of Options
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INSTALLATION OF THE DECORATION PANEL TO THE
INDOOR UNIT BODY
(1) Set the decoration panel to the indoor unit body by matching the position of the swing flap motor of the decoration panel to thepiping position of the indoor unit as shown in Fig. 4.
(2) Install the decoration panel.1) Temporarily install the decoration panel to the indoor unit by hanging the latch on the opposite side of the swing flap motor of
the decoration panel to the hook of the indoor unit body. (2 positions)2) Temporarily hang the remaining 2 latches to the hooks on the sides of the indoor unit.
(Be careful not to let the swing motor lead wire get caught in the sealing material.)3) Screw all 4 hexagon head screws located right beneath the latches in approximately 5 mm. (Panel will rise.)4) Adjust the decoration panel by turning it to the arrowed direction in Fig. 4 so that the ceiling opening is completely covered.5) Tighten the screws until the thickness of the sealing material between the decoration panel and the indoor unit body reduces
to 58 mm.Indoor unit
Ceiling material
Sealing material
Decoration panelAir outlet
5 ~ 8 mm
1)
2)
2)
3)
4)
Hook
Latch
Piping position
Swing flap motor
Fig. 4
PRECAUTIONS
Improper screwing of the screws may cause the troubles shown in
Fig. 5. Screw properly.
Air leak
Air leak from ceiling
Contamination Dew formation, dew dripping
Fig. 5
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Detail Explanation of Options ED24-631A
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If gap is still left between the ceiling and the decoration panel after screwing
the screws, readjust the indoor unit body height. (Refer to Fig. 6.)
(3) Wiring of the decoration panel (Refer to Fig. 7.)
6) Connect the connectors for swing flap motor lead wire
installed on the decoration panel.
Adjustment of the indoor unit body height from theholes in the corner of the decoration panel ispossible if the indoor unit is kept leveled and thedrain piping, etc. is unaffected.
Fig. 6
No gaps is allowed.
If connectors are not connected, the malfunction
display (A7) appears on the remote controller.
Connect the connectors properly.
Make sure that the swing flap motor lead wire is
not caught between the indoor unit and the
decoration panel.
6)
Indoorunit side
Decorationpanel side
Wiring Instruction Diagram
(It differs from the actual state.)Fig. 7
INSTALLATION OF SUCTION GRILLE AND SERVICE COVER
(1) Install the suction grille.
Install by reversing the procedure shown in PREPARATION OF DECORATION PANEL.
It is possible to install the suction grille in 4 directions by turning the suction grille.
Change the direction when adjusting the direction of the suction grille of multiple units or in meeting customers demands.
NOTE)
Be careful not to get swing flap motor lead wire get caught when installing the suction grille.
(2) Install the service cover on the corner.
1) Attach the string of the service cover to the pin of thedecoration panel as in Fig. 8.
Pin
Fig. 8
Install the service cover by
sliding 4 latches to fit into the
holes on the decoration panel.
2) Install the service cover over the decoration panel.
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ED24-631A Detail Explanation of Options
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16.1.2 KDBHJ55K160 Sealing Member of Air Discharge Outlet
Caution
zRefer to the installation manual for both indoor unit and the decoration panel.
zWhen you install other optional kit, it may not be possible to select the 3-way or 2-way air discharge. For details, refer to the
manual for the optional kit or the catalogue.
zContents of Kit Prior to installation make sure you have the complete kit of parts.
J : 1P012222B
Name Sealing material(A) Sealing material(B) Sealing material(C) Sealing material(D)Quantity 1 piece 1 piece 1 piece 1 piece
Shapeand
marking
Name Insulation for top plate Insulation for side plate Moisture absorber for bell-mouth Moisture absorber for horizontal vane
Quantity 1 piece 1 piece 1 piece 2 pieces 1 piece 2 pieces 1 piece 5 kinds
Shapeand
marking
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Detail Explanation of Options ED24-631A
128 SkyAir NU Series Cooling Only
Installation of the insulation3
(1) Installation to the side plate
Adhere insulation for side plate to the side of indoor unit.
(2) Installation to the top plate
Adhere insulation for top plate , to the top of the indoor unit.
(3) Adhere the moisture absorber for horizontal vane to the
edge of the horizontal vane of air outlet (Fig. 2).
(Choose the same color as panel.)
(4) Adhere the moisture absorber in accordance with the
reference surface without wrinkles. (Fig. 4)
Adhere the moisture absorber in accordance with the
reference line . (Fig. 5)
26 class 48 class
Put the wirethrough the slit ofthe insulation.
When adheringinsulation, align its edge
with the bottom line ofcasing.
When adheringinsulation, align its edge
with the bottom line ofcasing.
Fig. 1
Fig. 4
Moisture absorberfor horizontal vane
Horizontal vane
Fig. 2
(Fig. 3)
Align it with the upper edge of horizontal vane.
Horizontal
vaneMoisture absorberfor horizontal vane
Swing connector
Swing motor
Sticking
reference
Bellmouth
Fig. 5
JC : 1P012222B
Reference surface
Adhere it from the edge ofswitch box.
Switch box
Sticking reference
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ED24-631A Detail Explanation of Options
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16.1.3 KDBP55H160WA Panel Spacer
Installation
1P136564E
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Detail Explanation of Options ED24-631A
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1P136564E
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ED24-631A Detail Explanation of Options
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16.1.4 KDDP55D160(K) Fresh Air Intake Kit (Chamber Type)
Installation
C : 3K011144A
SkyAir FHC18~48NU
240298
18~26NU
36~48NU
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Detail Explanation of Options ED24-631A
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3K011144A
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Detail Explanation of Options ED24-631A
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16.1.5 KDDJ55X160 Fresh Air Intake Kit (Direct Installation Type)
Installation
The fresh air is taken into the unit by the indoor unit fan or duct fan, which is field supplied. The location of fresh air intake port will be
changeable by installing the duct fan.
J : D3K2175
Dimension
2P066796C
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ED24-631A Detail Explanation of Options
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2P066796C
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Detail Explanation of Options ED24-631A
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16.1.6 KAFP556D80 160 HighEfficiency Filter (Including Filter Chamber)
KAFP557D80 160 HighEfficiency Filter (Including Filter Chamber)
Combination table
16.1.7 KAFP552H80 160 Replacement HighEfficiency Filter
KAFP553H80 160 Replacement HighEfficiency Filter
Specifications
Precaution at use1. The highefficiency filter, and the other filter can not be installed together.
2. The unit should be operated with 4-way discharge when the highefficiency filter is installed.
It can not be applied to the high ceiling room.
3. Field setting by remote controller is necessary when the highefficiency filter is installed.
16.1.8 KRP1B98 Installation Box for Adaptor PCB
HighEfficiency Filter (Set) Replacement HighEfficiency Filter HighEfficiency Filter Chamber
KAFP556D80KAFP557D80
KAFP552H80KAFP553H80
KDDFP55D160KAFP556D160
KAFP557D160
KAFP552H160
KAFP553H160
Replacement HighEfficiency Filter KAFP552H80 KAFP552H160 KAFP553H80 KAFP553H160
HighEfficiency Filter Chamber KDDFP55D160
Collecting Efficiency (%) 65% (NBS Colorimetric method) 90% (NBS Colorimetric method)
Initial Pressure Loss (Pa) 34 or less
Final Pressure Loss (Pa) 98 or less
Filter Nonwoven Fabric of Synthetic Fiber Nonwoven Fabric of Synthetic Fiber
Life (h) 2,500 h (Dust Concentration 0.15 mg / m3) 1,800 h (Dust Concentration 0.15 mg / m3)
Models to be Applied 18~26NU 36~48NU 18~26NU 36~48NU
Dimension
560
AA
560
100
-2540 10
J : D3K04256A
Model AA
KAFP552H80, KAFP553H80 25
KAFP552H160, KAFP553H160 45
KRP1B98
FHC18~48NU
KRP1B57
KRP4A53
Dimension
D3K2169
Model No.
Item
Applicable Model
Adaptor for Wiring
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ED24-631A Detail Explanation of Options
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16.1.9 KDDFP55D160 HighEfficiency Filter Chamber
Installation
C : 3K011148B
SkyAir
SkyAir FHC36~48NU
FHC18~26NU
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Detail Explanation of Options ED24-631A
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3K011148B
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ED24-631A Detail Explanation of Options
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16.1.10 KAFJ551K160 Replacement LongLife Filter for Decoration Panel
Specifications
16.1.11 KAFP55D160, KAFJ55K160H (Replacement) Ultra LongLife Filter
(Including Filter Chamber)
Specifications
Collecting Efficiency (%) 65 (Gravity Method)
Initial Pressure Loss (Pa) 8 or less
Final Pressure Loss (Pa) 49 or less
Filter MildewProof Resin Net
Number of Sheets Included 1
Life (h) 2,500 h (Dust Concentration 0.15 mg / m3)
Models to Be Applied 18~48NU
J : D3K2170C
Ultra LongLife Filter KAFP55D160 Precaution at use
1. The Ultra longlife filter, and other filter can not be installed
together.
2. Field setting by remote controller is necessary when the Ultra
longlife filter is installed.
Refer to the installation manual of Ultra longlife filter for
setting.
3. Filter cleaning period can not be displayed on the monitor when
the Ultra longlife filter is installed.
Refer to the left table and clean (with water) the filter
periodically.
Replacement Ultra LongLife Filter KAFJ55K160H
HighEfficiency Filter Chamber KDDFP55D160
Collecting Efficiency (%) 50 (Gravity Method)Initial Pressure Loss (Pa) 8 or less
Final Pressure Loss (Pa) 49 or less
Filter MildewProof Resin Net
Life (h)5,000 h
(Dust Concentration 0.3 mg / m3)
Models to Be Applied 18~48NU
J : D3K2174A
Installation Iocation
Dirty Area
Not Dirty Area
Filter Cleaning Period
Every 5,000 hrs
Every 10,000 hrs
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Detail Explanation of Options ED24-631A
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16.1.12 KKSJ55K160 Chamber Connection Kit
Dimension
Installation
J : D3K2186
3P089651C
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ED24-631A Detail Explanation of Options
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16.1.13KDJ55K80 160 Branch Duct Chamber
Installation
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Detail Explanation of Options ED24-631A
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ED24-631A Detail Explanation of Options
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16.2 Ceiling Suspended Type [FH]
16.2.1 KAFJ501D80 160 Replacement LongLife Filter
Specifications
J : D3K3074A
16.2.2 KHFJ5F80 160 LType Piping Kit
Application purpose
This kit must be bent inside the unit as shown below, when the refrigerant piping is carried out in a ceiling
space. This L shape kit is an optional accessory which has been developed for improving the work of the
processing on site.
ModelItem
KAFJ501D56 KAFJ501D80 KAFJ501D112 KAFJ501D160
Effective Life, Average Efficiency 2,500 hours (at Dust Particle Concentration of 0.15 mg/m3), 45% (by Weight Method)
Initial Pressure Loss (Pa) 10 or lessFinal Pressure Loss (Pa) 59 or less
Filter Materials Mold Prevention Resin Net Mold Prevention Resin Net
Nos. Required 2 pieces 3 pieces
Applicable Model - 21 26NU - 36~48NU
ModelItem
KHFJ5F50 KHFJ5F60 KHFJ5F80 KHFJ5F160
Applicable Model - - 21 26NU 36~48NU
KHFJ5F50~160 Installation
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Detail Explanation of Options ED24-631A
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16.3 Duct Connection Low Static Pressure Type [FDBG]
16.3.1 KKD19A1Drain Pan Cover
Installation
FDBG182126NUV1
C : 1P067376A
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ED24-631A Detail Explanation of Options
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16.4 Outdoor Unit
16.4.1 KIS95 Drain Piping Kit
Use this plug to connect a drain hose to an outdoor unit.
Outlook
Note: 1. This is the joint for attaching a vinyl hose (field supplied).
This is used between the drain hole which is on the bottom plate of outdoor unit and vinyl hose.
2. Drain water accumulate to the bottom of outdoor unit it depends on the situation of operation. But it isnecessary to connect drain hose not to be spread the drain water over the neighbors, when it is installed
on the wall.
3. The position of holes are unfit to connect with outdoor units in some models.
In this case, use it without Y joint.
16.4.2 KKPJ5F180 Central Drain Plug
KIS95
Drain hose connection dia 16ID.
KIS95
Drain piping
(With Y joint)
plug (3 pcs.)
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Warning Daikin Industries, Ltd.s products are manufactured for export to numerous countries throughout the
world. Daikin Industries, Ltd. does not have control over which products are exported to and used in a
particular country. Prior to purchase, please therefore confirm with your local authorized importer,
distributor and/or retailer whether this product conforms to the applicable standards, and is suitable for
use, in the region where the product will be used. This statement does not purport to exclude, restrict
or modify the application of any local legislation.
Ask a qualified installer or contractor to install this product. Do not try to install the product yourself.
Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.
Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or
contractor to install those parts and accessories. Use of unauthorized parts and accessories or
improper installation of parts and accessories can result in water or refrigerant leakage, electrical
shock, fire or explosion.
Read the User's Manual carefully before using this product. The User's Manual provides important
safety instructions and warnings. Be sure to follow these instructions and warnings.
If you have any inquiries, please contact your local importer, distributor and/or retailer.