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McQuay Seasonpak PWA-008A, Установка и техническое обслуживание

McQuay Seasonpak PWA-008A - это высококачественный климатический прибор, предназначенный для обеспечения комфортной температуры в помещении. Для подробной установки и технического обслуживания рекомендуется скачать бесплатное руководство по эксплуатации и обслуживанию с manualshive.com. Находите утехническую информацию на нашем сайте.

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Содержание Seasonpak PWA-008A

Страница 1: ...BLE OF CONTENTS CONTROLS CHECKING 24 CROSSREFERENCE NEW TO OLD MO 2 ELECTRICAL 22 23 CONTROL CENTER SERVICE 26 27 ELECTRICALDATA 22 23 WIRING 10 13 WIRING DIAGRAMS 14 21 MAINTENANCE 26 29 MOVING PLACI...

Страница 2: ...LL UNIT FROM ANYTHING OTHER THAN water cooled condensers Arrangement 1 is supplied THE BASE MOVING AND PLACING THE UNIT MOVING THE UNIT The McQUAY SEASONPAK water chiller is mounted on heavy wooden sk...

Страница 3: ...EARANCE FOR COOLER TUBE RE MOVAL MEASURED FROM CENTER LINE OF CHILLED WATER CONNECTION ON EITHER END TABLE NO 1 MINIMUM CLEARANCE UNIT SIZE I MINIMUM CLEARANCE 007A THRU 015A 72 020A THRU 041A 96 050A...

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Страница 6: ...nded beyond the pro FIGURE NO 7 TO COOI ER 4 posed insulation thickness to make them accessible CHILLED WATER THERMOSTAT WHR 008A thru 060A The chilled water thermostat is mounted inside the control c...

Страница 7: ...oop at the outlet end is recommended See Figure 9 WATER REGULATING VALVES EACH CONDENSER FIGURE NO 8 3 WAY WATER REGULATING VALVES COi lNG TOWER PURGE 4 MAIN CONDENSER WATER SUPPLY FROM PUMP BY PASS B...

Страница 8: ...cal discharge riser is too low considerable oil may collect in the riser and the horizontal header causing the compressor to lose its oil and resultant damage due to lack of lubrication Another danger...

Страница 9: ...E NO 11 PURGE VALVE DISCHARGE LINE HECK VALVE LIQUID LINE FIGURE NO 13 DISCHARGE LINE I TO EVAPORATOR RECEIVER LrQuro LINE EVAPORATORS or and receiver The discharge line piping in this case is not too...

Страница 10: ...TAT 12 INDICATOR LIGHTS 6 HIGH MANUAL RESET AND LOW PRESSURE CUTOUTS 7 CONTROL SYSTEM ON OFF SWITCH FIGURE NO 16 MODELS WHR 070A THRU 120A 1 FREEZESTAT MANUAL RESET 7 CONTROL SYSTEM ON OFF SWITCH 2 OI...

Страница 11: ...020A THRU 060A FIGURE NO 17 TOP VIEW OF UNIT Models WHR OO8A thru 015A are single compressor units 3 4 5 6 7 8 9 10 25 The power from 25 is fed thru NC contacts to relay R3 and R4 to energizethe compr...

Страница 12: ...e operating before power can be applied to start this system Note that the crankcase heaters will be energized regard less of water flow The flow switch is recommended and does not have the shortcomin...

Страница 13: ...itch LP1 opens Contactors Ml M3 and relay R3 will open and compressor 1A will turn off and stay off until relay R1 is again energized thru the thermostat In the event compressor 1A is off on oil press...

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Страница 24: ...aches the prescribed differential within 120 seconds the thermal time delay is de energized and the control circuit remains closed If during the operation the oil pressure differential falls below 10...

Страница 25: ...d unloading sequence of the unit based on a full load cooling range of 10F It should be realized however that there will be a fluctuation in the leaving water temperature as the unit cycles unloads an...

Страница 26: ...eaning of the finned surface of the conden ser coil Cleaning may be accomplished by using a cold water spray brushing vacuuming or high pres sure air No tools should be used that could damage the coil...

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Страница 28: ...s t e m c P u r g e t h e n o n c o n d e n s i b l e s d S y s t e m o v e r c h a r g e d w i t h r e f r i g e r a n t d R e m o v e e x c e s s e D i s c h a r g e s h u t o f f v a l v e p a r t...

Страница 29: ...n d t i g h t e n s y s t e m k R e p l a c e g a s k e t I Adjust t h e r m a l e x p a n s i o n v a l v e C o m p r e s s o r l o s e s o i l _ _ _ a L a c k o f r e f r i g e r a n t a C h e c k f...

Страница 30: ...ber and serial number of the date of installation of the unit and date of failure along with an explanation of the malfunctions and a the unit as stamped on the serial plate attached to the unit If re...

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