ICE MACHINES Q-Model Service Manual

Electrical System Section 6Automatic Shut-Off7. AUTOMATIC SHUT-OFFIf the storage bin is full at the end of aharvest cycle, the sheet of cubes failsto clear the water curtain and holds itopen. After the water curtain is heldopen for 7 seconds, the ice machineshuts off.The ice machine remains off untilenough ice is removed from thestorage bin to allow the sheet ofcubes to drop clear of the watercurtain. As the water curtain swingsback to the operating position, the binswitch closes and the ice machinerestarts.NOTE: The ice machine must remainoff for 3 minutes before it canautomatically restart.TB35TB35L1HIGH PRESCUTOUTICE THICKNESS PROBEWATER LEVEL PROBENOT USED(42)CONTACTORCONTACTSL1TB32TB33(64)(66)(51)(52)(55)(63)BIN SWITCH (65)*OVERLOAD(48)(F1)(62)R24135TRANS.1CC(66)TERMINATES ATPIN CONNECTIONFUSE (7A)1F1G LOW D.C.VOLTAGEPLUG(67)S(53)(68) ICE(69)OFF(62) CLEAN(49)COMPRESSOR(47)TB34(20)(61)(60)(77)HARVEST (80)SOLENOID(76)(75)DUMP(81)(57)SOLENOIDTB31 (98)(99)WATERPUMP(58)TB37 (59) (83)(82)LIQUID LINESOLENOID(73)(74)CONTACTOR(56) COILCLEAN LIGHTWATER LEVELBIN SWITCH LIGHTHARVEST LIGHT/SAFETY LIMIT CODE LIGHTTOGGLE SWITCH VIEW FOR WIRING68INTERNAL WORKINGVIEW66676269RUN CAPACITOR(46)PTCRSEE SERIAL PLATE FOR VOLTAGER(45)(21)HPRSOLENOIDR(78)(22)WATERVALVE(50)(79)(F2)L2 (N)TB30TB30TB30TB30TB30TB30REMOTEFAN MOTORREMOTE CONDENSERRUN CAPACITORSV1648-7Table 6-14. Remote ModelsFigure 6-14. Remote — Automatic Shut-Off7. Automatic Shut-Off (Until Bin Switch Closes)Toggle SwitchICEBin SwitchOpenControl Board Relays#1 Water Pump Open / OFF#2 Water Fill Valve Open / OFF#3 Harvest Solenoid Open / OFFHarvest Pressure Regulating (HPR) SolenoidOpen / OFF#4 Water Dump Valve Open / OFF#5 Contactor Coil Open / OFFLiquid Line SolenoidDe-energizedCompressorONCondenser Fan MotorONSafety Controls (Which could stop ice machine operation)High Pressure Cut-OutClosedMain Fuse (On Control Board)Closed6-16 Part No. 80-1100-3