WESPAK 4.05 Page 20 Installation And Maintenance Manual Download | Manualshive

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As part of our ongoing product improvement programme, our products

are subject to change without prior notice. Non contractual photos.
Dans un souci d’amélioration constante, nos produits peuvent être

modifiés sans préavis. Photos non contractuelles.

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Summary of Contents for 4.05

Page 1: ... installation et de maintenance WESPAK 4 05 5 05 6 05 Belt drive compact air handling units Centrales compactes de traitement d air à entraînement par courroies IOM WPKBD N 2GBF 09 08 Part number Code Q3NSTE864 Supersedes Annule et remplace IOM WPKBD N1GBF 06 05 ...

Page 2: ...II ...

Page 3: ...arrying out wiring according to the supplied wiring diagram Warning All field wiring must be installed in accordance with the national wiring regulations Warning Installation operation and maintenance must be performed by qualified personnels who are familiar with local codes and regulations and experienced with this type of equipment Warning Confirm the unit is switched OFF before installing or s...

Page 4: ...05 6 05 Air flow range m3 h 4000 6000 5500 7500 7000 9000 Nominal air flow m3 h 5000 6500 8000 Fan static pressure Pa 400 400 400 Nominal cooling capacity tot sens 1 kW 25 9 19 6 36 0 26 5 43 2 32 0 Chilled water flow l h 4441 6172 7409 Nominal heating capacity 2 kW 21 3 29 9 35 8 Hot water flow l h 1223 1716 2056 FAN Type Double wheel centrifugal Model DA 9 9 N2T DA 9 9 N2T DA 10 10 N2T Drive Adj...

Page 5: ...17 Number of rows 2 2 2 Number of circuits 15 15 17 Number of empty tubes 0 0 0 Header diameter inlet outlet mm 33 42 33 42 33 42 33 42 33 42 33 42 Water content litres 5 2 6 2 6 8 ELECTRIC HEATER Heating element type à ailettes lisse lisse BE1 capacity kW 12 24 36 BE2 capacity kW 24 36 48 1 BE3 capacity kW 36 1 48 1 60 1 Supply voltage 400 V 3 Ph 50 Hz Neutral Earth AIR FILTERS Filter efficiency ...

Page 6: ...10 1940 5 Dimensions 5 1 Fixation dimensions a By threaded rods only b By threaded rods and hanger rails Dimensions mm Sizes A B C D E F G H G2 filter G4 filter 4 05 1498 750 1074 1150 633 1690 82 122 485 5 05 1940 750 1274 1350 833 2132 82 122 485 6 05 1940 852 1274 1350 833 2132 82 122 540 1 2 way mixing box 2 Standard casing 3 Silencer casing 4 Electric heater casing ...

Page 7: ...24 1872 420 62 102 2088 1940 6 05 1880 479 1872 475 62 102 2088 1940 Dimensions mm Sizes H I J K L M N G2 filter G4 filter 4 05 485 1110 1252 1292 1150 1548 950 500 5 05 485 1310 1452 1492 1350 1990 1290 600 6 05 540 1310 1452 1492 1350 1990 1290 600 Side view Rear view Front view Top view Bottom view Remark The dimensions of mixing box connection are identical to those of inlet duct collar connec...

Page 8: ... 351 50 356 62 485 84 140 226 206 6 05 402 54 407 66 540 84 140 226 206 Installation with 4 row cooling and 2 row heating coils Sizes A B C D E F G H I J 4 05 356 66 339 90 485 63 112 146 178 56 5 05 356 66 339 90 485 63 112 146 178 56 6 05 407 67 390 90 540 66 112 146 178 60 Installation with 6 row cooling and 2 row heating coils Sizes A B C D E F G H I J 4 05 356 66 352 83 485 63 112 168 178 50 ...

Page 9: ...let and outlet sides of the unit 4 Install the unit in a position from where condensate can be run to waste easily 5 Check the distance between the upper slab and false ceiling to ensure the unit will suit the distance 6 Ensure there is sufficient space around the unit to service it see table hereafter for minimum clearances on service side of filters and fan motor assembly access Warning Do not i...

Page 10: ...actory fitted assembling clamps and screws 5 Secure the unit in its final position and level it with a spirit level to assure proper drainage and operation 6 Unit must be mounted in such a way that water will flow toward drain connection 6 Installation continued Assembly of two casings Suspension kit hanger rail Factory fitted assembling clamps and screws Final assembly Suspension kit by threaded ...

Page 11: ... header 7 2 Water coil connections Each water coil is equipped with headers having Ø33 42 male threaded type connection on water supply and water return Air vent must be installed at highest point of the water piping To ensure an optimum heat transfer efficiency connections of water supply and return should be arranged in such a way that a counter flow configuration between air and water is obtain...

Page 12: ...t in the condensate reception zone example negative pressure 40 mm height A 80 mm height B 160 mm 7 Water Connections continued 7 4 Winterizing water coils In winter due to a general shutdown of the installation or a failure of outdoor air damper control coil freeze up may occur To avoid coil damage it is recommended to drain completely the non used coils or to fill them with an anti freeze soluti...

Page 13: ...ctric heater must never operate without the ventilation 8 Electrical connections be imperatively connected to the control circuit of the motor The non respect of this instruction will cancel compulsorily the warranty on the motor Power supply cables entering into the unit must be run through cable glands mounted on unit panel All orifices for cable entry done on the panels must be sealed to preven...

Page 14: ...electrical connections are tight and that the proper voltage is connected Belt alignment For a quick check make sure that the small rope touch each end of the pulleys as shown on drawing opposite Belt tensioning 90 5 kg 10 mm maxi 5 Check that all holes for cable entry are tightly sealed 6 Check tightness of setscrews on motors bearings and fans 7 Check alignment of fan and motor pulleys and belt ...

Page 15: ...an pulley diameter 3 Securely tighten the set screw B on the flat surface of the pulley fixed sheave 4 Put on the belt and adjust its tension Do not force the belt on the pulley sheaves see paragraph Belt tensioning 5 The future adjustments should be performed by loosening the belt tension and by increasing or decreasing the pulley pitch diameter by half turns or full turns as required Re adjust t...

Page 16: ...dusts it is recommended to clean them frequently If necessary comb the coil fins with an appropriate tool Care must be taken not to damage the fins while cleaning them The coils can be removed for cleaning as shown on the drawing below 10 4 Fan motor assembly There is no particular maintenance on fan motor assembly The units are equipped with permanently lubricated fan motor bearings It is not nec...

Page 17: ... connections 10 Maintenance continued Step 2 Step 3 Step 4 10 6 Water quality It is not the manufacturer s policy to make recommendations in terms of water treatment please contact a specialised water treatment company However given the critical nature of this subject particular care should be taken to ensure that if treatment is required it works effectively Using untreated or unsuitable water le...

Page 18: ...16 Notes ...

Page 19: ...III ...

Page 20: ...g product improvement programme our products are subject to change without prior notice Non contractual photos Dans un souci d amélioration constante nos produits peuvent être modifiés sans préavis Photos non contractuelles ...

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