Gulf+Western ACWC-SC Service Manual Download | Manualshive

Page: 1 / 19

background image

1
2
3
...
»

Summary of Contents for ACWC-SC

Page 1: ...itations 5 Sequence of Operation 6 7 Models ACWC 160SC Thru 200SC Sequence of Operation 8 9 Model ACWC 215SC Control Wiring Diagram 10 11 Models ACWC 160SC Thru 200SC Control Wiring Diagram 12 15 Model ACWC 215SC Power Wiring Diagram 16 Across The Line Start Power Wiring Diagram 17 Star Delta Electrical Data 18 Cooler Pressure Drops 18 Unit Loading Suspension Points 18 Troubleshooting Guide 19 Cau...

Page 2: ...cts must be installed in the power supply and should be within the sight of the unit Separate 115 volt power source must be field supplied to provide power for control and heater circuits 2 CHILLER PIPING The chiller inlet return water pipe should be connected to the water connection closest to the control panel end of the unit and the outlet upply vvdte 1 ifJt v t u tv u wat r urrrr llun on the o...

Page 3: ... return water thermostat T1 to a higher temperature setting and wait for the unit to pumpdown and shutoff Place the system ON OFF switch in the OFF position Close the line valve in the discharge line between compressor and condenser Refrigerant pressure inside of the compressor will now be approximately 80 to 90 PSI G The low pressure cut out setting is 35 PSIG but the residual discharge pressure ...

Page 4: ...ow to the oil return low Load Unload J c Oil Pressure Slide Valve Oil Pressure Lines Screw Rotor pressure line The slide valve will move to the right unloading whenever UL 2 opens the oil supply high pressure line since the force of the oil exceeds that of the discharge gas The temperature controller sends a series of power energizing pulses to the appropriate solenoid to adjust to load conditions...

Page 5: ...losed in individual insulated housings An auxiliary heater is included to supplement the standard crankcase heater the temperature within the compressor compartment is thermostatically controlled The standard condenser fan cycling package operating in con junction with the discharge dampers will maintain suitable head pressure down to oo F ambient A 90 second time delay relay provides an electrica...

Page 6: ...w is confirmed when the water flow switch completes an electrical circuit across terminals 12 58 and 13 60 of terminal board TEAS Terminals 14 61 6 See Note Number 3 The holding coil for the first contact shown on this line reading from left to right can be found on line 44 the holding coil for the second contact can be found on line 74 The contacts for the holding coil shown on this line can be f...

Page 7: ...the staging thermostat T1 to open thereby de energizing staging relay R3 opening contacts 8 5 9 6 and 7 4 Liquid line solenoid SOL3 will de energize stopping the flow of refrigerant to chiller circuit 3 The compressor will continue to run until the chiller circuit has been cleared of refrigerant and the suction pressure is approximately 35 PSIG Low pressure control LP3 contact will then open de en...

Page 8: ...pressor or to energize solenoid valve UL2 1 1 12 unloading the compressor Relay R11 29 contact 7 4 95 closes wh ich completes the interlock circuit for the water circulating pump STAGING 2 LOADING Upon a further increase in return water temperature the second step of the staging thermostat T1 will close If the lock in timer TD9 95 and lock out timer TD7 95 have timed out relays R2 95 and TD16 96 w...

Page 9: ...A condAn Ar lab STAGE 1 PUMPDOWN Step 1 of the staging thermostat T1 will open when the return water temperature is reduced to the set point This de energizes staging relay R1 closing liquid line solenoid SOL1 stopping refrigerant flow to chiller circuit 1 Compressor 1 continues to run until chiller circuit 1 pressure is down to the low pressure control LP1 set point The LP1 contact opens de energ...

Page 10: ...I 118 Lon 215 ors1 216 1 1 119 R LPI v 9 Rl 6 120 I Jr c 7 HTR 12ovl 145 f T 1 L M R 0 8 R r R C 8 Ml M2 1 S 2 L7 i d T2 Tl 273 9 RI4 6 LPFI GFI SEE 21 3 r sr S N OETAIL AMQ WIRED WHEN SUPPLIED J PfiO HAL HI OLH2 3 r 2 10 211 212 _ _ _ _ R E _0 SW _ 1 Q 117 e L e WHITE 7lJI 4 RED C W 224 I COMPRESSOR CIRCUIT I 2 225 A TOT r l I 4 8 HGS I 8f1 5 7 T07 1 I SJ _ 5 5111 N1 8 Rl9 5 SOLI TI o2 146 I 226 ...

Page 11: ...OMPRESSOR HEATER PL I 9 PILOT LIGHTS R 22 RELAY SECONDARY HEATERS RH 1 3 RECE IVER HEATER RECEIVER HEATER PRESSURE CONTROL RECEIVER HEAT ER THERMOSTAT CIRCUIT BREAI R RtC HEATER SCH I 3 SECONDARY CRA NI CASE HEATER TC 1 3 TRANSITION CONTACTOR TO 1 3 TI N E DELAY TRANSITION CONTACTOR TO 13 15 I TINE DELAY LOCI OUT LPF STARTER COMPRESSOR VOLT LOSS MONITOR SSEC ALARM CIRcunl Q I I YELLOW r CIRCUIT3 1...

Page 12: ...IN G DETAIL A ALARM CIRCUIT CIRCUIT I 0 f I I 8 J OPTIONAL 1 fiiONAL 7 2 1 0 BLUE 7f 12GA C B 3 l 9 WHITE ce0 3 o J o Q9 YELLOW 7 0 J r i 10 v I L_ l PLM I T OPTIONAL LOW I I L 11 2 BLACK BLACK 209 211 BLACK OFTIC NAL I R 6NAL I OFTi ONAL 7 R 2 1 CBH2 r I AHT2 212 R31 i OPTIONAL I T _O TIOHAC N RED I T D20 90 SEC I m CSTMI _ _ j_ __ _ j b 1 W TE Lfop T 218 rt l fc 0 WHEN SUPPLIED 0 1 OL O H3 217 R...

Page 13: ... t STAR DELTA STARTING R R 0 c RCUITI I I I o2i I u J lJ 0 r 1 _ TOZ 242 1 2 I I IN r c z I I I I I I LPFZ LOT 2 Q OTS 2 I I I 129 R LP2 v Q R3 llOl l I NTR 12ovl l1es I e lJ I 237 47 z 4 411 4e tol l C BLUE 9l J4o s i DETAIL B I 0 BLUE so 8 COMPRESSOR CIRCUIT 2 51 e j I VLioll 0 I T 2 1 00 r t I 11 0 BLUE 0 55 en250 0 ...

Page 14: ...e 0 0 e j z 70 EX3 i 138 e lJ T DI6 0 71 0 YELLOW 30 SEC e 7Z r NO I I 18ll 73 e 1 BR OW N g R22 6 BROW N Cl4 14 6l t23 6 lJ e STAR DELTA STARTING Ru Tc currl I I 76 EJ znPTinN I I C 0 9 e e 0 z I leo e5 951 U1 5SEC I I BROWN I e t J r5 j er I I 0 en DETAIL D c 139 7 R t c 84 El J 0 85 SWI 0 7 00NC 144 T O 18 0 SEC BROWN u ffi N O ...

Page 15: ... HE4TERS STARTERS PCHI 4 IPRIWARY COloiPRESSOR HEATER PL 1 12 PILOT LIGHTS R 30 31 RELAY SECONDARY HEATERS RH 1 4 RECEIVER HEATER AHPC 1 4 RECEIVER HU TER PRESSURE CONTROL RHT 1 4 RECEIVER HEATEA THUMOSTAT CB 5 6 I CIRCUIT BREAKER REC HEATER SECONDAI Y CRANKCASE HEATER TC 1 4 ITRAHSITION COHTACTOR TlloiE DELAY TRANSITION CONTACTOR TO 20 23 I TINE DELAY LOCK OUT LPF STAI TE COMPRESSOR ILt tt 2 IVOL...

Page 16: ...ll fii 0U111 00NIIOSC 2 fOil Cl 14 S l CONTROl CIRCUIT tiii G OIAG A III flllO WilliNG F tTOIIT WIIIING US COPP R CONDUCTORS ONLY REFER TO UNIT SPEC PLATE FOR VOLTAGE Cl 14 CONT I tTOIII COND NSEIIFAN CMI I 4 tO WI RESSOIIIIIPQTQII CIUI 2 00011 LATCHING 0 _ N IQ ftl l ll fA N tTCLINGI RUSUIIECONTIIOL GilD GIIOUHDI NG LUG IIII I flfOTOR COND NSIII AN 11 4 CIIICUIT PEAK II COioii IIUSOII I CI7 1 CIR...

Page 17: ...III III D 011 1 1 01 l OII CI CIOIII tOU IOOI C tuiT I IM Ho UII UKCOfi NII COtiOUCTOM OtiLT lltEF 11 TO U IT PlC LJ Tt ClR VOLTAGE mull I l 1 wu 1 i rr In if tni r I n fiOtlll N E I _ I LIII o YUI I OI TIOIIAl TO CI TIIQ CMeurT rt h I A I C PLII2 r j J S3 u S4 fW I trtl f I e J U4 NOTES l iiA II a T I IS II4111MI tiiiOUIIICIOIINK 1 CI CMKl el tCUITWIRI _IIAII 17 II V Y 1 111111 1 ...

Page 18: ...ent fuses only Suggested fuse sizes based on N E C Section 440 22 Wire size based on copper conductors with 75 C insulation per N E C Table 31 0 16 5 Single point power terminals NOTE 1228 491 1228 1415 491 562 1415 562 1228 491 491 Maximum inrush amps is L R A of lag compressor R L A of all other compressors F L A of all fans Lag Compressor 75 H P on 185SC Model ACWC 320 340 160SC 12 0 13 7 185SC...

Page 19: ...upplied d Check rotation of all fan motors e All motors and bearings lubricated g Start auxiliary equipment pumps fans etc h Is crankcase heater operating After Start Up a Check high pressure control b Check oil temperature safety switch c Check and adjust low pressure or temperature freeze control d Check and adjust operating thermostat e Check and adjust low pressure operating control f Check an...

Reviews:

No comments

Related manuals for ACWC-SC

Brand: Shindaiwa Pages: 24

Brand: Hansa Pages: 29

Brand: TECO Pages: 7

Attila 10 TRAYS

Brand: Tecnodom Pages: 144

Multiplex 42 MR04

Brand: Manitowoc Pages: 52

Pro-Dialog Plus 30SZ

Brand: Carrier Pages: 24

Brand: Daikin Pages: 40

Brand: Lauda Pages: 23

Brand: Advantage Engineering Pages: 94

Brand: Harbour Pages: 2

H424 / 968999392

Brand: Bluebird Pages: 18

Brand: Zanotti Pages: 32

Brand: Foster Pages: 8

Brand: Walker Pages: 2

Cool cabi OCA-S300AC-A100

Brand: OHM ELECTRIC Pages: 40

INTIMIDATOR 12XP/990

Brand: Bandit Pages: 177

EWAH TZ D Series

Brand: Daikin Pages: 53

Brand: Daikin Pages: 27

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands