ICE MACHINES Q-Model Service Manual

Electrical System Section 6REMOTE MODELSInitial Start-Up Or Start-Up AfterAutomatic Shut-Off1. WATER PURGEBefore the compressor starts, thewater pump and water dumpsolenoid are energized for 45seconds to purge old water from theice machine. This ensures that theice-making cycle starts with freshwater.NOTE: The harvest valve andharvest pressure regulating (HPR)solenoid valve are also energizedduring the water purge. In the case ofan initial refrigeration start-up, theystay on for an additional 5 seconds(50 seconds total).TB35L1HIGH PRESCUTOUTTB32ICE THICKNESS PROBEWATER LEVEL PROBENOT USED(64)(66)(55)(62)(63)BIN SWITCH (65)24135TRANS.1C1F1GFUSE (7A)LOW D.C.VOLTAGEPLUG(67)(66)(68)(69)(62)(20)(61)(60)CLEAN LIGHTWATER LEVEL(73)BIN SWITCH LIGHTHARVEST LIGHT/SAFETY LIMIT CODE LIGHTICEOFFCLEAN(58)(57)TB37SEE SERIAL PLATE FOR VOLTAGETB31(78) (79)(77)HARVEST (80)SOLENOID(56)(76)(59)(21)HPRSOLENOIDDUMPSOLENOID(98)(22)WATERVALVE(81)(99)WATERPUMP(75)(83)(82)LIQUID LINESOLENOID(74)CONTACTORCOILTOGGLE SWITCH VIEW FOR WIRING68INTERNAL WORKINGVIEW66676269L2 (N)TB30TB30TB30TB30(49)TB35(42)CONTACTORCONTACTSL1TB33(51)(52)*OVERLOAD(48)RCTERMINATES ATPIN CONNECTIONCOMPRESSORS(53)(47)TB34RUN CAPACITORR R(46)(45)PTCR(50)TB30(F1)(F2)TB30REMOTEFAN MOTORRUN CAPACITORREMOTE CONDENSERSV1648-1Table 6-8. Remote ModelsFigure 6-8. Remote — Water Purge1. Water Purge (45 Seconds)Toggle SwitchICEBin SwitchClosedControl Board Relays#1 Water Pump Closed / ON#2 Water Fill Valve Open / OFF#3 Harvest Solenoid Closed / ONHarvest Pressure Regulating (HPR) SolenoidClosed / ON#4 Water Dump Valve Closed / ON#5 Contactor Coil Open / OFFLiquid Line SolenoidDe-energizedCompressorOFFCondenser Fan MotorOFFSafety Controls (Which could stop ice machine operation)High Pressure Cut-OutClosedMain Fuse (On Control Board)Closed6-10 Part No. 80-1100-3