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Hersteller: Follett Dateigröße: 4.73 mb Dateiname: Unterrichtssprache:

START CAPACITOR COMPRESSORSTART RELAY (SEE NOTE #1) HI PRESSURESAFETY SWITCH P S COMPRESSOROVER-LOAD COMPRESSOR R START RUN CONDENSERFAN(AIR COOLED ONLY) WHT WHTBLK BLK #4 WHT RED GROUNDSCREW 115 60HzFROMDISPENSER BOX ICE MACHINEPOWERCONNECTION L2 DRIVE L2 FAN COMP L2 L2 L2 L1 L1 WHTBLKGRN EARTH WHTBLKBLK REDORG SWITCH COMP 2ND B-T B-E WTR 60M 20M C POWER RESET SENSOR WATER DR WATER SENSOR COMPRESSOR SWITCHI = COMP ONO = COMP OFF WATER RESERVOIR ICE MACHINE PCB VAC LINE VAC 24 BIN SIGNALCONNECTION115 VACFROMDISPENSER WHTBLK ICE MACHINE ELECTRICAL BOX GND-GRNL1-BLK L2-WHT BLK GRN WHT125VAC 20APLUGNEMA 5-20P WHTBLKGRN WHTBLK BIN SIGNALSWITCH T STAT(ICE LEVEL) GROUNDSCREW LEVER DISPENSER ELECTRICAL BOXPOWERSWITCH DISPENSEMOTOR WATERSOLENOID MS ICESWITCH WATERSWITCH START RELAY 2 3 YELSTART BLKRUN T.O.L. ICE MACHINEGEAR MOTOR4 SOFTWARE I.D. LABEL I.D. NOTES: HIGH PRESSURE SAFETY SWITCH 1.801 CHURCH LANE OPENS @ 425psi CLOSES @ SWITCH) EASTON, PA 18040, USA COMPRESSOR START RELAY IS GRAVITY SENSITIVE. 2. FOR SERVICE CALL: SEE LABEL ON RELAY FOR PROPER ORIENTATION. 800-523-9361 OR 610-7301ON THE WEB: SensorSAFE™ Dispensing Wiring Diagram 22 25CI400A/W • 25HI400A • 50CI400A/W • 50HI400A Wiringdiagram-SensorSAFEmodelCWHTGRNRED (SEE NOTE #2) UP COMP. START CAPACITOR COMPRESSORSTART RELAY CONDENSERFAN(AIR COOLED ONLY) WHTBLK BLKORG BLK #4 S L 1 2M (SEE NOTE #1) HI PRESSURESAFETY SWITCH P S COMPRESSOROVER-LOAD COMPRESSOR R START RUN WHT BLKRED WHT L2 DRIVE L2 FAN COMP L2 L2 L2 L1 EARTH L1 WHTBLKGRN 115 60HzFROMDISPENSER BOX GROUNDSCREW ICE MACHINEPOWERCONNECTION VAC LINE VAC 24 SOFTWARE I.D. POWER RESET SENSOR WATERLABEL I.D. WATER SENSOR WATER RESERVOIRSTART RELAY 2 3 YELSTART BLKRUN T.O.L. ICE MACHINEGEAR MOTOR BIN SIGNALCONNECTION115 VACFROMDISPENSER ICE MACHINE PCB WHTBLK 4 GND-GRNL1-BLK L2-WHT BLK WHT125VAC 20APLUGNEMA 5-20P BIN SIGNALSWITCHPOWERSWITCH T STAT(ICE LEVEL) GROUNDSCREW WHTBLK WHTBLKGRN L2 L2 L2 L2 L2 L2 EARTH WTR SOL WM CLN CLN PWR ICE WTRSENSOR SAFE PCB CLEANSWITCH DISPENSEMOTOR WATERSOLENOID MS L1 SS DISPENSER ELECTRICAL BOX WATER SENSOR ICE SENSOR SWITCHCOMP 2ND B-T B-E WTR 60M 20M C DR COMPRESSOR SWITCHI = COMP ONO = COMP OFF ICE MACHINE ELECTRICAL BOX NOTES: HIGH PRESSURE SAFETY SWITCH1. OPENS @ 425psi CLOSES @ 297psi SWITCH) COMPRESSOR START RELAY IS GRAVITY SENSITIVE. 2. SEE LABEL ON RELAY FOR PROPER ORIENTATION. Icemaker operational and diagnostic sequences The wiring diagrams that follow illustrate the circuitry of Follett icemakers. Both normal operation (stages 1 - 6) and non-normal diagnostic sequences showing torque-out (stages 7 - 10) for use in troubleshooting are shown. Circuitry notes The icemaker receives power from two sources – the main power supply and the bin control signal power from the dispenser. Disconnect both power sources before performing service. When performing electrical service, always use a meter to determine whether or not the components being serviced are energized. High pressure cutout opens at 425 PSO and closes at 287 PSI (auto reset) Compressor switch should read open in ON position. Compressor start relay is position sensitive. TOP • Electrical box must be in “UP” position before supplying power• Start relay is gravity sensitive, and MUSTbe in “UP” position • Failure to comply may cause equipment to overheat,resulting in equipment failure, equipment damage or fire hazard ! WA RNIN G icemakerelectrical box TOP Bin signal is 115V, 60Hz. Flashing water LED at any time indicates that water signal to board has been lost for more than one second. Ten-second delay: There is a 10 second delay in reaction to loss of water (WTR) or bin (B-E) signals. If signals are not lost for more than 10 seconds, no reaction will occur. 25CI400A/W • 25HI400A • 50CI400A/W • 50HI400A Normal operation – Stage 1 Power is supplied to L1 of the control board. The ice level control in the dispenser is closed and calling for ice, supplying signal voltage to the control board. The control board will now go through the start-up sequence. Less than 30 seconds will elapse as the water sensor located in the float reservoir checks for water in the reservoir. The bin empty LED (B-E) and power LED (PWR) will be on GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR FAN DRIVE DR C 20M 60M 2ND WTR B-T B-E RESET GRD G B W FAN BLACK WHITE BLACK BLACK R ORANGE S S L COMPRESSOR C RED BLACK BLACK WHITE INPUT POWER WATER SENSOR CONTROL BOARD BLACK GEARMOTOR 24V COMMONLINE VACRED REDWHITE BLACK BIN T-STAT BIN SIGNAL FROM DISPENSER JUNCTION BOX WHITE RED WHITE M 1 COMPRESSOR SWITCH PWR BLACK T.O.L. BLACK RED HIGH PRESSURE SAFETY SWITCH 4 2 3 RUN START T.O.L. BLUE YELLOW BLACK WHITE M Normal operation – Stage 2 The water sensor verifies water in the float reservoir. The water OK LED (WTR) comes on. At the same time, the gearmotor, compressor and condenser fan motor come on, lighting the drive LED (DR) and compressor LED (C). The high initial current draw of the compressor run winding closes the contacts of...

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