Dunham-Bush R407C WCPS-B Series Guide de dépannage

Form No: MM0214A / MM0215AWater-CooledAir-ConditionerSingle Packagewith Scoll CompressorsProducts That Perform . . .By People Who Care®50 / 60 HzR22 /

3.0 INSTALLATION3.4 UNPACKING AND UNCRATINGUnless specified, the units are generally not wooden crated. Only light packaging with woodenskid and wrapp

3.0 INSTALLATIONFIGURE 3.5.1: BLOWER DISCHARGE PATTERN1. WCPS 68B to 570BPATTERN NO: 1 PATTERNNO: 2PATTERNNO: 3PATTERNNO: 42. WCPS 640B to 1520BPATTER

3.0 INSTALLATIONFIGURE 3.5.2 SUGGESTED METHOD FOR CONNECTING SUPPLY DUCTModel A B68-160 40 25190-510 60 35570-1520 80 503.6 EVAPORATOR SECTION1.) For

3.0 INSTALLATION3.7 CONDENSER SECTION1.) All internal condenser water piping is completely factory assembled and pressure tested at300 psig for leakag

3.0 INSTALLATIONFIGURE 3.8A: COOLING TOWER WATER PIPING SCHEMATICFigure 3.8B shows the suggested wiring arrangement necessary to interconnect the unit

4.0 OPERATION4.1 SYSTEM CAPACITYAn accurate load calculation is essential because selection of units is based on the requiredtotal and sensible load a

4.0 OPERATION4.4 TEMPERATURE SETTINGNormally the temperature setting for,a.) Cooling is 75-80°Fb.) Heating is 70°F ( If heating coil is available ).4.

15316174279111415861310OUTINAIR OFFCOILRETURN AIR18124.0 OPERATION4.8 REFRIGERANT CIRCUIT AND COMPONENTSFIGURE 4.8: TYPICAL REFRIGERANT PIPING AND COM

CHECK FUSE, START SIGNAL, SWITCHES,OVERLOAD RELAY, KEY SWITCH AND INTERLOCKINGAUTO STARTPUSH START BUTTON (BLOWER FAN)OVERLOAD RELAY AND SAFETY INTERL

4.0 OPERATION4.10 START- UP CHECK LISTDUNHAM-BUSH INDUSTRIES SDN BHDLot 5755-6, Kidamai Industrial Park, Bukit Angkat,43000 Kajang, Selangor Darul E

TABLE OF CONTENTSMANUAL INDEX PAGE1.0 INTRODUCTION...

4.0 OPERATION4.11 TYPICAL WIRING SCHEMATIC WITHOUT STARTER4.12 TYPICAL WIRING SCHEMATIC WITH DOL

4.0 OPERATION4.13 TYPICAL WIRING SCHEMATIC WITH AUTOTRANS

5.0 MAINTENANCE5.1 GENERALAs with all mechanical equipment's, a program of regular inspection, cleaning and preventivemaintenance by trained pers

5.0 MAINTENANCEcould indicate potential imminent breakdowns. Essential system parametersincludes discharge head pressure, saturated suction pressure,

5.0 MAINTENANCEThis cleaning can be done mechanically or chemically. In chemical cleaning, a causticsolution is pumped through the heat exchanger, whi

5.0 MAINTENANCE5.6 PULLEY ALIGNMENT1.) Insert one end of the string inside the gap between belt and pulley.2.) Rotate the pulley so that string is cli

5.0 MAINTENANCEFigure 5.7: Belt Span6.) Compare the force you have applied with the values in table 5.7B.Note: A new drive should be tensioned to the

LOW SUCTIONPRESSURESIGHTGLASSEVAPORATOR AIR FLOWEVAPORATOR AIRINLET TEMPERATURECLOGGED LIQUID FILTER DRIERLOW REFRIGERANT CHARGERESTRICTED LIQUID LINE

INSUFFICIENTCOOLINNGTHERMOSTATHIGH DISCHARGEPRESSURERETURN AIRTEMPERATURESTOP VALVES INDISCHARGE LINECONDENSER WATERINLET TEMPERATURETOO HIGHFAULTY EL

NO COOLINGUNIT POWERSUPPLYFUSE FOR EVAP.CIRCUITCOMPRESSORCONTACTORTHERMOSTATEVAPORATORFAN MOTOROVERCURRENT RELAYFOR EVAP.FANCONDENSERPRESSURESWITCHOVE

1.0 INTRODUCTIONThis equipment is factory manufactured and tested water-cooled package for thepurpose of air-conditioning. It consists mainly of a dir

5.0 MAINTENANCE5.9 SAMPLE LOG SHEET SHEET NO...DUNHAM-BUSH WATER COOLED PACKAGE UNITUNIT MODEL NO. ...

2.0 GENERAL INFORMATION2.1 SAMPLE NOMENCLATURE6 WCP S 640 B Q P2.2 RECEIVING, INSPECTION AND PACKAGINGAs soon as the unit is received, it should be i

2.0 GENERAL INFORMATION2.) Supply air plenum.3.) Return air grille and integral filter frame.4.) Hot water heating coils or electric reheaters.5.) Com

MIN 8"CONCRETEPLINTHFLOATINGPLINTHFLOORWCPS-BCORKSHEETFLOORWCPS-B3.0 INSTALLATION3.1 FOUNDATIONThe unit shall be placed on a flat, level, solid f

1"6-1/2"2" DEFLECTIONSPRINGISOLATORSFACTORY PROVIDEDMOUNTING BRACKETSNON-SKIDNEOPRENE PADFLOORWCPS-B3.0 INSTALLATIONiii.) Support the c

3.0 INSTALLATIONFIGURE 3.3A: FOR UNITS WITH SINGLE SIDE RETURN AIR, WCPS 68B TO 570BSide RecommendedMinimumClearanceRemark1.) Return air, front 48&quo

3.0 INSTALLATIONFIGURE 3.3B: FOR UNITS WITH SINGLE SIDE RETURN AIR, WCPS 640B TO1520BSide RecommendedMinimumClearanceRemark1.) Return air, front 48&q