IPCX Chillers - Dunham-Bush Americas

TYPICAL CONTROL WIRING DIAGRAM○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○5TB18AWG1FU115V1T (SEE NOTE#2)8AWG25TB12CB (15 AMP)415TAS72CR8750W1HTR21CB(10AMP)113CB (10 AMP)17BLK7750W2HTR 2POWEROUTLET WHT2USE WITHMODEM ONLYOIL SUMP HEATER #1OIL SUMP HEATER #2MODEM POWER OUTLET2020W1LTPOWER ON LIGHT202203T19115V24VAC4FU2.5A228291PSUP1.5A+-24VDC4TB352201 2 57612 2T12VAC 3031COMPR STARTERAUX214A8FU9FU4A9 11TOMICROCOMPUTER911211HDIGITALI/O BOARD(DI/OB)+12VDCGND1NJ13TB65SH2RIBBON CABLETO MICRO COMPUTER201FLSCHILLER FLOW32 PUMP AUX 33332H10K2W2N22020UNIT CONTROLSEE NOTE 334UNIT ON/OFFS1352012133H4H5H10K10K2W2W3N4N5N2EMERGENCYSTOP20S212COMPRSTARTEROVERLOADS& OTHERSTARTERRELATEDSAFETIES1M OILPUMP OL'S13 14J14151M OIL PUMPSTARTER AUX.141616141438386H4C7H6C1C2C4CP6CP1CP2CP6N4NO7N6NO1NO2NO4238434410KSN2CRSN3CRSN1SOLOIL PUMP RELAY (4,33,50)COMPR START RELAY(33,48,50)LOAD SOL20OILPRESSURESWITCH3PS181616OILFAILURETIMER3TR238161639 393C5C9H3CP5CP3NO5NO9N4546SN2SOL10KSN6SOLUNLOAD SOLFAST UNLOAD SOL(T.O. 10S)(OFF DLY)3CR5454SN5CRCOMPR. STARTER CIRCUIT RLY. (57)CONDENSER INTERLOCK101 3CR 102OIL PUMP STARTERINTERLOCK22 2CR 2354W 2LTSN7C 7CP 7NO47 10SOLCOMPR. ON LIGHTSMALL TXV14AWG YELLOW14AWG YELLOW478C8CP8NO48SN11SOLLARGE TXVCOMMON ALARM103 4CR 104COMPRESSOR STARTERINTERLOCK26 5CR 2747549C10C9CP10CP9NO10NO4950SN3SOLSN7SOLCAPACITYHOT GAS SOLSTARTINGHOT GAS SOL14AWG YELLOW14AWG YELLOW54 11C 11CP 11NO20 2014C14CP14NO52SN4CR ALARM RELAY (57)R 3LT ALARM LIGHT32