HMAH Series - S.K.M Air Conditioning LLC · 6. Modular Air Handling Unit HMAH Series. Fig 3: Fan...

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Modular Air Handling UnitHMAH Series


HmaH

HMAH Series Hygienic Modular Air Handling Units

Range 1000 cfm to 42500 cfm (472 l/s to 20058 l/s)

www.skmaircon.comfacebook.com/skmaircon @skmaircon

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from

Trade name

Located at

have been assessed according the requirements of following standard

is authorised to use the EUROVENT CERTIFIED PERFORMANCE markin accordance with the rules specified in the Operational Manual

Certification Diploma N° : 15.05.004

Air Handling Units

SKM Air Conditioning Equipment LLC

Industrial Area 13 - PO Box 6004

RangeHMAH

Software for calculation of performancesSKM AHU Select 1.26

SKM

OM-5-2015

OM-5-2015

SKM Air Conditioning Equipment LLC

Manufacturing placesSharjah, United Arab Emirates

Valid until :

Re-checked on :Approval date : 2015/05/12

2015/05/18

2016/09/30

Eurovent Certita Certification S.A.S. - 48/50, rue de la victoire - 75009 PARIS FRANCER.C.S. PARIS 513 133 637 - NAF 7120B

Eurovent Certita Certification certifies that

Claris version: Prod 5.0.1 (06/05/2015)

Sharjah, United Arab Emirates

Accreditation #5-0517 Products and Services Certificationaccording to NF EN ISO/CEI 17065:2012 - Scope available onwww.cofrac.fr.COFRAC is signatory of EA MLA, list of EA members is available inhttp://www.european-accreditation.org/ea-members

The list of certified products is displayed at :http://www.eurovent-certification.com

Erick MELQUIONDPresident

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IntroductionSKM Hygienic Modular Air handling (HMAH) units are designed to a high engineering standard and are ideal, where the requirements of clean and hygiene air are mandatory, like hospitals, pharmaceuticals, laboratories, food industry, electronic facilities and clean room applications

HMAH Units are available in 16 models to deliver from 1000 cfm (472 l/s) to 42500 cfm (20058 l/s) nominal air flow rate against total static pressure up to 8.0 inwg (2000 Pa).

Hygienic Requirement, are tested and certified by TUV SUD Germany, according to VDI 6022 part 1 and DIN 1946 Part 4 Standards.

Mechanical characteristics & rating performances are certified by EUROVENT (certification No:15.05.004) according to the standards EN1886 and EN13053. SKM HMAH Units are manufactured in a facility registered to ISO 9001:2008 manufacturing quality standards and Coil performances are certified in accordance with AHRI Standard 410.

SKM Hygienic Modular Air Handling Units are another premium international quality product from SKM.

SKM provides qualified service and stock of replacement parts in all major cities of the G.C.C. countries, Egypt, Jordan, and Pakistan. See back cover for details or call SKM.

SKM Air Conditioning LLC

You name it.....We cool it.

ContentsIntroduction ..........................................4Nomenclature ......................................4General Features..................................5Component Features ...........................5

Major Sections and Sub Assemblies..6Quick Selection.....................................9Dimensional Data...............................10

SKM reserves the right to change, in part or in whole the specifications of its Air Conditioning Equipment at any time in order to add the latest technology. Therefore, the enclosed information may change without any prior notice.

02=750 mm

03=1075 mm 04=1375 mm 05=1700 mm 06=2000 mm 07=2325 mm 08=2575 mm 09=2950 mm

10=3250 mm

11=3575 mm

12=3875 mm

Nomenclature

Width in Module

HMAH- 02 03

Height in Module

02=800 mm 03=1075 mm 04=1375 mm 05=1700 mm 06=2000 mm

07=2300 mm

08=2600 mm

SKM Hygienic Air Handling Units are based on Standard Module sizes.

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General Features• Modular construction.• Application flexibility.• Perfect Thermal break.• No materials that cause threat to human health.• No Material which facilitate the growth of harmful micro organisms.• Internal surfaces of the units are made of wear-resistant materials.• Easy for maintenance.• Easy for cleaning inside the units and its components.• Conformity with applicable European health and safety standards.

A typical HMAH Unit consists of a wide choice of a combination but not limited to the following sections, fan, cooling coil, heating coil, humidifier, filter section, mixing box with dampers, plenums etc.

Component FeaturesCasing & Construction

Penta-Post Frame• Extruded Aluminium Profile with built in thermal break system.• Aluminium profiles frames are joined by means of strong nylon corners.

Fig 1: Aluminum Profile with built in thermal/break system.

Panels• Double Skin panels with sandwiched insulation.• Insulation thickness 63 mm.• Powder coated hot-dipped galvanized outer skin.• Stainless steel inner skin.• Inside of the units appear smooth without any visible screws and open adsorptive area.• Access panels are provided for all sections to facilitate access to all internal components for maintenance and cleaning.• Removal of any panels shall not affect on structural integrity of the units.

Access Doors• Suitable access doors are provided for all sections to facilitate access to all components for maintenance and cleaning.• Hinged access door for fan and filter section. Lift off type doors for all other sections.• For fan section, access doors with stainless steel hinges, push fit gaskets and quarter turn locking system with all metal part in SS.

Gaskets• Specially designed closed cell EPDM gaskets liner between the panel and frame to ensure an excellent leak tight and thermal bridge protection.• Push-fit type gaskets for hinged access doors • Gaskets using in SKM Hygienic AHU are totally closed cell type, and it will not help growth of bacteria or fungus, preventing contamination. • Gaskets coming contact with air flow are certified according to VDI 6022 standards.

Finish• Painted finish,standard Colour RAL 7032.

Insulation• All panels are internally insulated with polyurethane foam insulation with density of 2.5 lb/ft3 (40 kg/m3) and thermal conductivity of 0.14 BTU.in/ft2 F.h (0.02 W/mK).

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Fig 3: Fan Section

Fig 4: Coil are installed on rails and are free to be remove from AHU, for cleaning.

Base Frame and Floor Panel

• Painted Hot dip galvanized sheet metal or structural steel base frame. • Provision for drainage through floor panels for each section, can be provided on request.

Major sections and Sub Assemblies:

Fan Section

• Direct driven centrifugal fans are supplied as standard in SKM hygienic AHU.• Fans are without scroll, so it can be easily inspected, checked and cleaned.• Centrifugal impeller with backward curved blades of sheet steel, welded and coated, fastened on the shaft of the flange motor, balanced statically and dynamically according to DIN ISO 1940.• Fan motors areIP55 protected and class F insulated.• Motor suitable for operation at frequency Inverter.• A suitable speed variation system is required for the optimum adjustment of the desired operating point. (Not included in standard supply). • The fans are equipped with a flow measuring device as standard. With the flow measuring device it is possible to measure/ monitor the flow easily after the fan is installed.• Access doors for fan section are supplied with internal handles for units with internal heights more than 800mm.• Bulk head light.• Inspection widow.• Units with standby fans on request.• Units with belt driven fan optional.

Fig 2: Drainable Floor Panel. (optional)

Coil Section

• Chilled water, direct expansion and hot water coils.• Coil performance are tested in accordance with AHRI standard 410.• Coils are tested by air pressure while coils are submerged in water to a pressure of 300 psig (2060 kpa).• Coils are constructed from seamless copper tubes 3/8” or 5/8” O.D.• Pre coated aluminium fins/Copper Fins.• Minimum fins per inch: 8 and Maximum fins per inch :12• Coils are assembled in slide-in guides for easy removal for maintenance and cleaning.• Stainless steel coil frame.• Stainless steel, double skin, insulated condensate drain pan• Drain pans are slopped from three sides for a complete drainage.• Coils can be provided with moisture eliminator depending on the air condition• Eliminator frame in stainless steel.• Eliminator can be pulled out for cleaning.

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Fig 5: Eliminators installed on rails are removable for cleaning.

Fig 6: Stainless Steel, Double Skin Condensate Drain Pan.

Fig 9: Fine Filter Section

Fig 7:Pre Filter, EN Class F5

Fig 8: Fine Filter, EN Class F9

Fig 10: Pre Filter Section

Heating Section• Hot water coil• Electric Heater

Filter Section

• Filters are coated with biostatic preservative to inhibit the growth of fungi and bacteria to improve the Indoor Air Quality.

• Pre Filter: 2” (50 mm) thick panel filter. EN class: F5 accordance with EN779.

• Fine Filters: 12” depth high efficiency extended surface filters. EN class: F9 accordance with EN 779.• Powder coated hot dip-galvanized filter rack• Inspection Window• Bulk head light• Manometer across filters.• Hepa filter: Ultra high absolute HEPA (High Efficiency particulate air) Filter with efficiency in excess of 99% when measured by using DOP (Di-Octyle Phthalate) method. • HEPA filters in SKM Hygienic AHU are in accordance with EN1882 standards.

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Mixing Box Section• Mixing box with fresh air and return air dampers• Both return and supply air dampers are sized to handle 0-100% of the total supply• Class 4, aluminum damper, as per DIN EN 1751.• Motorized damper with parallel or opposed blades.• Dampers close automatically, in the event of a power cut.

Humidifier sectionSteam Humidifier

• Steam humidifier consists of immersed electrode steam. generating cylinders, steam distribution pipe and necessary controls.• The stem generator is remote to the unit.• The steam distributor passes through the unit casing to inject steam in the air steam to reach the required humidity conditions.• ON-OFF control for humidifiers.• Stainless steel condensate tray.• Inspection window.• Bulk head light.• Droplet separator. (optional)

Atomized Water Humidifier• Water supplies to AHU through atomizing nozzles so as to create a mist of very fine droplets, this atomized water is. readily absorbed by the air, humidifying and cooling it. • Atomizing nozzles are made of stainless steel.• Stainless steel condensate tray.• Droplet separator. • Demineralized water must be used for this type of humidifier.

Sound Attenuator Section• Sound attenuator can be provided in both supply and return air side.• The standard design is with vertical specially designed splitters consisting of sound absorbing material parallel to the air stream matching unit cross section. • Two different media depths of 24” (600 mm) and 48” (1200 mm) are available as standard.• Installation rails in stainless steel.

Drain Connections• Stainless steel, double skin, insulated condensate drain pan for coil, humidifier and mixing box section.• Drain pans are slopped from three sides for a complete drainage.• Provision for drainage through floor panels for any section can be provide on Customer request

Plenum (Access) Sections• Empty plenum sections can be provide for applications like access , end vertical assembly etc.• Custom sizes to suit a particular requirement can be supplied as an option.

Hygienic Sealants• The sealant, which is used inside the AHU to seal some of the components against the air or water leaks is antibacterial, are non-toxic and doesn’t contain dangerous or allergenic components . Sealants used in SKM hygienic AHU’s are certified according to VDI 6022 standards.

Heat Recovery Section(Not included in Eurovent Certification) In order to conserve the energy consumption by exchanging energy between the supplies and exhaust air streams, various types of heat recovery systems can be provided as an integral part of SKM air handling units. These depend upon special installation and other requirements like:

• Run Around Coil System [RRC]: This system comprises of two coils; one placed in the supply air stream and other in the exhaust air stream. The coils are to be connected in a closed loop via piping and circulating pump (supplied by others). Water or glycol is circulated as a heat transfer medium. This system shall recover sensible heat only.

• Fixed Plate Heat Recovery System [RHP]: Consists of layers of Aluminum plates, which are separating the exhaust and supply air streams. The exhaust air passes through the exchanger from end to end and the supply air stream individual passages formed by the plates within the exchanger.

The plates separating the two air streams act as the heat

transfer medium. This system recovers sensible heat only.

• Heat Pipe System [RPR & RPRV/H]: Heat pipe is a simple heat transfer device consisting of two coils, pre-cooling and re-heating, connected together without any moving part in between them and containing phase change fluid. According to the arrangement of the heat pipe coils with respect to other components, it can be used for either dehumidification (horseshoe type arrangement) or for heat recovery (vertical/horizontal arrangement).

For dehumidification function (horseshoe type arrangement), pre-cooling coil is located in the incoming air flow allows the evaporator cooling coil to work cooler and condense more moisture. Re-heat coil located after the evaporator coil, reheats the supply air and brings about a more comfortable temperature and relative humidity. This entire function of humidity reduction is performed while saving energy. Specify option [RPR] for this type of arrangement.

For heat recovery function (vertical/horizontal arrangement), heat pipe coils are installed between the fresh and return air streams and two fan sections are required; supply and exhaust fan. Specify option RPRV(H) for this type of arrangement.

Heat recovery systems performance are not included in certification, but these systems can consider as a component in the certified unit.

Fig 11: Sound Attenuator Section

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page 9 Quick Selection.pdf 1 11/15/15 2:19 PM

Quick Selection

AIR FLOW RATE

HM

AH

MO

DEL

S

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Dimensional Data

0609

0509

0608

0508

0506

0507

0406

0407

0304

0306

0405

0305

0204

0303

0203

54.13

81.692075

170066.93

95037.40

1375

29.53750

37.40950

22.64575

29.53750

SHEE

T ME

TAL B

ASE

FRAM

E

117546.26

42.321075

22.64575

0202

MODELHMAH W

AIRF

LOW

DIRE

CTIO

N

H h L L L L L1 L

FAN

ELEV

ATIO

N VI

EW

CHILL

ED W

ATER

COI

L + E

LIMIN

ATOR

(CCW

E)

HOT

WAT

ER C

OIL (

CHW

)

COMMON SIDE VIEW SECTIONHUMIDIFIER

FAN

PLAN

VIE

W

HEPA FILTER FAN SECTION

CHILL

ED W

ATER

COI

L (CC

W)

ELEC

TRIC

HEA

TER

(CEH

F)

SECTIONSCOOLING

SECTIONSHEATING

L1

42.321075

(FIHP) (HSEG)

FLOWAIR *

1000

1750

2500

2917

4167

5417

6667

7583

9333

11083

12000

14250

16500

18750

20167

22917

Dimensions are in inches

* Nominal air flow at 500fpm coil face velocity.

* Dimensions are subjected to change with out any notice for future improvement.

3.94100

* Length of eatch separate sections are provided.

(mm)

W

Hh L

L

L1

W

L L

L1

L

Notes :

800107531.50

112544.291125

44.29

44.29112544.29

137554.13

54.13

1125

137566.93

54.13

170066.931700

1700

170066.93

200078.742000

78.74

66.93

137591.54

116.14

116.142950

2950

2575101.38

91.54

2575101.382325

2325

200078.74

1700

170078.742000

78.74200066.93

1075

66.93137554.13

54.13137542.32

800

31.50

31.50

29.53750

42.32800

27083 0709

30333 0710

33583 0711

38750 0811

42500 0812

116.142950

90.552300

140.75 90.55

102.362600

102.362600

2300

152.563875

3575140.753575

90.552300

127.953250

CHAN

NEL B

ASE

FRAM

E

3.94100

230090.55 37.40

950

Notes :* Nominal air flow at 500fpm coil face velocity.• Length of eatch separate sections are provided.• Dimensions are subjected to change with out any notice for future improvement.

Table 1

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Notes :* Nominal air flow at 500fpm coil face velocity.• Length of eatch separate sections are provided.• Dimensions are subjected to change with out any notice for future improvement.

37.40

1375

42.321075

54.13

1075

95037.40

750

42.32

29.53

29.5322.6454.131375950 575

37.40950750

RIGI

D BA

G FI

LTER

BMX

PLAN

VIE

W

575

29.53750

L1L L

22.64

(178)

BMX (1

78)

SAT2

L3L1 L2L2L1

PEM3

PEM2

ATENUATOR

(178)

BMX (178

)

SAT1

SECTION(BMX)

MIXING BOX *FILTER

PEM1

(SAT) (PEM)PLENUMSSOUND

0509

0608

0609

0405

0506

0507

0508

0407

0406

0305

0306

0303

0204

0304

HMAH

0202

0203

MODELL1

FLAT

FILT

ER(F

IPI)

22.64575

42.321075

* For mixing box with damper,dampers are internal for out door units and external for indoor units.

Dimensions are in inches

* Dimensions are subjected to change with out any notice for future improvement.

* For mixing box section,A,B,C&Ddimensions varies according to fresh air & return air percentage.* Length of eatch separate sections are provided.

(mm)

L

L1

7

BxA

L1

AxB

7

CxD

AxB

L 7

7

AxB

L2

L3

L2

L1 L1

HEAT RECOVERYSECTIONS

RHP

HH

L1

L2

RPR

RRC

L3

L1 L2 L3

54.131375

175068.90

37.40950 1375

54.13

42.321075

46.261175

78.742000

93.502375

Notes :

0709

0710

0711

0811

0812

157562.01

3200125.98

3600141.73

54.131375

Dimensional Data

Notes :* For mixing box with damper,dampers are internal for out door units and external for indoor units.• For mixing box section, A, B, C & Ddimensions varies according to fresh air & return air percentage.• Length of eatch separate sections are provided. • Dimensions are subjected to change with out any notice for future improvement.

Table 2

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REGIONAL OFFICES

For SKM Distributors visit:

www.skmaircon.com

Email: [email protected]

Spare Parts DivisionEmail: [email protected]

Service Centre

HEAD OFFICEP.O Box: 6004Sharjah, United Arab EmiratesTel: +971 6 514 3333Fax: +971 6 514 3300Email: [email protected] Email: [email protected]

KuwaitDasmanP.O Box: 1215-PC 15463Tel: +965 2 2492200Fax: +965 2 2494400Email: [email protected]

SKM Air Conditioning Factory Eastern provinceAD Dammam2nd industrial cityAbqiq main road Hail StreetTel: +966 3 8123332 / 4 / 5Fax: +966 3 8123337 / +966 3 8123092Email: [email protected]

Saudi Arabia (Production Facility)

AlgeriaAissat Idir ( EX-ENMA) CityBldg1, Flat 2, Dar El Beida AlgiersTel: +213 21 508197Fax: +213 21 508197Email: [email protected]

Abu DhabiP.O Box: 27788Tel: +971 2 6445223Fax: +971 2 6445145Email: [email protected]

United Arab EmiratesDubaiP.O Box: 98822Tel: +971 4 2940900Fax: +971 4 2940029Email: [email protected]

Al AinTel: +971 3 7619921Fax: +971 3 7619941Email: [email protected]

097/2015ASupersedes # 097/2015

HMAH Series - S.K.M Air Conditioning LLC · 6. Modular Air Handling Unit HMAH Series. Fig 3: Fan...

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