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Sequence of Electrical Circuit – Ice Making 1. Fill Cycle With the power switch in the "ON" position and the control switch in the "ICE" position, the inlet water valve energizes and the reservoir fills with water until the upper float switch closes. DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) 26 2. Ice Purge Cycle Upper float switch closes, water control relay energizes, inlet water valve closes, gear motor starts, gear motor protect relay energizes. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 27 3. Freeze Cycle Compressor and fan motor start 60 seconds after gear motor starts. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 28 4. 12 Hour Drain Cycle / Drain Switch 12 hour timer initiates cycle or the control switch is moved to the "DRAIN" position. 90 seconds after initiation, the compressor and condenser fan motor stop, 60 seconds later the gear motor stops. Once the gear motor protect relay de-energizes, the drain water valve opens. In the 12 hour drain cycle, the drain water valve remains open for 20 minutes. When the drain cycle is initiated manually using the control switch, the drain valve remains open until the control switch is moved to the "ICE" position. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 12 Hour Drain Cycle Manual Drain Cycle 12 Hour Drain Cycle Manual Drain Cycle 29 5. Shutdown The bin control switch is activated and a 150 second shutdown sequence begins. After the bin control has been open for 90 seconds, the compressor and fan motor stop, the agitating motor operates for 0.6 seconds, and 60 seconds later the gear motor stops. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 30 6. Low Water Safety Upper float switch fails to close within 90 seconds after the lower float switch opens, the 150 second shutdown sequence begins. The inlet water valve remains open until the upper float switch closes. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 31 7. High Pressure Switch When the high pressure switch opens, the compressor stops immediately, 60 seconds later the gear motor stops. To restart, allow time for the high pressure switch to close, then move the power switch to the "OFF" position and then back to the "ON" position. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 32 D. Sequence of Electrical Circuit – Dispensing 1. Continuous Dispense Agitating motor energizes for .6 seconds for every 12 seconds of accumulative dispense time. Maximum dispense time per dispense switch activation is 60 seconds. After 60 seconds, the dispense switch must be disengaged and engaged again. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH 33 2. Portion Dispense Agitating motor energizes for .6 seconds for every 12 seconds of accumulative dispense time. A variable resistor which controls the amount of ice dispensed is located on the control board. The figures on the label indicate dispensing time (sec.). See "II. D.3.a) Portion Control." When shipped, the portion control is set at the minimum dispensing time (0.6 sec.). DCM-500BAH(-OS), DCM-500BWH(-OS) . . . . . . . . . . . . Approximately 0.72 o...

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