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4716
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_BTU___
WATTS
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Centrifugal & Rotary Screw Competitive Comparison
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50 100 200 300 400 500 1000 1250 1500 2000 3000 7000 10000
200 350 1500 3000
HCFC22
150
125
850
350 (YK) 675 5500
YT
YK YS
8500
OM
2,100
OM
19XR Evergreen Chiller23XL
80270
30HX
RTHB
1500
160
130
2800
CVHE CVHF CDHF
CVGE
RTHC125 450
1300160
70 WSC
WDC
HFC 134a
2,500
HCFC123
HCFC 22
HFC 134a
CENTRIFUGAL
SCREW
150
800
TONS
420
170
150
CVGF 400 1000
19XRModular
The world of chillers is going HFC-134a. 36
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Commercial Packaged Product
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62
Commercial Packaged Product
CommercialPackaged
(DX Systems)
VRF
Water - CooledPackaged
Split Systems
Outdoor Unit
Indoor Unit
Large Ductless
Rooftop
Ducted
Hi - wall
Casette
Underceiling / Console
Vertical Floor Standing
Ducted
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65
TYPICAL ALL - AIR SYSTEM
CONDENSER PUMP
R.A DUCT
S.A. DUCT
CHILLED WATER PUMP
HEAT
R.A. DAMPER
COIL
E.A. DAMPER
FILTER WATER PIPING
COOLING TOWER
HEAT
WATER CHILLER
O.A. DAMPER
FRESH OUTDOOR
AIR
EXHAUST
AIR R.A. GRILL
COOL AIR
S.A.TERMINAL
S.A. FAN
R.A. FAN
15
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2:1
3:1
4:1
Multi Split System
Si gl S lit S t
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Single Split System
10K 13K 16K
Fan Coil Unit(Hi Wall)
Condensing Unit
(Air-cooled)
(Residential)
Evaporator
CompressorCondenserMetering Device
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6811
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6910
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70
A
Hot Gas Line
CONDENSER
B
Liquid Line
ThermostaticExpansion
Suction Line
Compressor
C
EVAPORATOR
9
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DX & VRF Products Range
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Ceiling SuspendedUnits
Cassette Splits
Ducted Split Units
Water CooledPackaged Units
DX & VRF Products Range
TOSHIBASuper Modular Multi
System (SMMS)
Hi Wall / Inverter Units
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38VTA
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AIR HANDLING UNIT (AHU)
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Fan Coil Units
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19XR
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23XRV
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30GX
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30HX
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30HZ
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30RA
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30RB
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30XA
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RECIPROCATING COMPRESSOR
OPERATION
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RECIPROCATING COMPRESSORS
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06D 06E
5F/H
05G 05K
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Suction Cut-OffUnloading
Consistent unloading
Strateg ic Desig nP i i l
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Consistent unloading Efficient unloading
Suction Gas Cooling Lower internal operating temps
Contoured Pistons Increased volumetric efficiencies
Bi-direction Oil Pump Increased volume 50% for HFCs All models down to 2-hp
Oil Pressure
Regulator Reduces system oil circulation All models down to 2-hp
Large Oil Sump Reduces nuisance oil trips
Pr inc ip les
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Compressors
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Compressors 2 sizes
20 or 25 Tons capacity Best performance in its class
COP of up to 3.37 Only one moving part:
rotor/crank/scroll assembly Improved Compressor Efficiency
Smaller scroll set Reduced gas friction losses
Compressors
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Compressors
Smallercounterweights
Thicker top cover
New internal
pressure reliefvalve
Thicker shell
Smaller scroll set
New lower cover
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23XRV
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