ICE MACHINES Q-Model Service Manual

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Electrical System Section 6ICE/OFF/CLEAN TOGGLE SWITCHFunctionThe switch is used to place the ice machine in ICE, OFFor CLEAN mode of operation.SpecificationsDouble-pole, double-throw switch. The switch isconnected into a varying low D.C. voltage circuit.Check ProcedureNOTE: Because of a wide variation in D.C. voltage, it isnot recommended that a volt meter be used to checktoggle switch operation.1. Inspect the toggle switch for correct wiring.2. Isolate the toggle switch by disconnecting all wiresfrom the switch, or by disconnecting the Molexconnector and removing wire #69 from the toggleswitch.CONTROL BOARD RELAYSFunctionThe control board relays energize and de-energizesystem components.SpecificationsRelays are not field replaceable. There are five relays onthe control board:RelayControls#1 Water Pump#2 Water Inlet Valve#3 Harvest Valve / HPR Valve (Remotes)#4 Water Dump Valve#5 Contactor (Self-Contained)Contactor / Liquid Line Solenoid (Remotes)3. Check across the toggle switch terminals using acalibrated ohm meter. Note where the wire numbersare connected to the switch terminals, or refer to thewiring diagram to take proper readings.Switch Setting Terminals Ohm Reading66-62 OpenICE67-68 Closed67-69 Open66-62 ClosedCLEAN67-68 Open67-69 Closed66-62 OpenOFF67-68 Open67-69 Open4. Replace the toggle switch if ohm readings do notmatch all three switch settings.6-44 Part No. 80-1100-3
Section 6Electrical SystemELECTRONIC CONTROL BOARDAC LINE VOLTAGEELECTRICALPLUG (NUMBERSMARKED ONWIRES)CLEAN LIGHTYELLOWWATER LEVELPROBE LIGHTGREENMAIN FUSE (7A)BIN SWITCHLIGHT GREENAUTOMATICCLEANINGSYSTEM (AuCS)ACCESSORY PLUGHARVEST LIGHT/SAFETY LIMITCODE LIGHTREDICE THICKNESSPROBE (3/16''CONNECTION)WATER LEVELPROBE1CJUMPER USEDON Q1300/Q1600/Q1800 ONLY1F1G676862DC LOW VOLTAGEELECTRICAL PLUG(NUMBERSMARKED ONWIRES)6365SV1588Figure 6-19. Control BoardPart No. 80-1100-3 6-45
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Safety NoticesAs you work on a Q-Se
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Table of ContentsSection 1General I
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HEALTH, SAFETY & THE ENVIRONMENTImp
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Table of Contents (continued)Sectio
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Section 1General InformationModel N
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Section 3MaintenanceComponent Ident
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Maintenance Section 33. Shine a fla
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Maintenance Section 3CLEANING PROCE
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Maintenance Section 3AUTOMATIC CLEA
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Maintenance Section 3Water Dump Val
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Maintenance Section 3Water Level Pr
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Maintenance Section 3Water Treatmen
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Page 52 and 53: Ice Machine Sequence of Operation S
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Refrigeration System Section 7HEAT
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Refrigeration System Section 7HEAT
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Refrigeration System Section 7Mild
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Refrigeration System Section 7SV140
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Refrigeration System Section 7REFRI
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Refrigeration System Section 7THIS
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