Viking VCSB48 Service Notebook Download | Manualshive

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Summary of Contents for VCSB48

Page 1: ...SERVICE NOTEBOOK BUILT IN REFRIGERATOR VCSB481 VCSB482 VIKING RANGE CORPORATION PO DRAWER 956 GREENWOOD MS 38930 USA...

Page 2: ...ezer Compartment Theory of Operation 18 Wiring Diagram 19 Refrigeration Compartment Theory of Operation 19 Wiring Diagram 20 Refrigeration and Freezer Compartment Theory of Operation 20 Wiring Diagram...

Page 3: ...rthing and polarization After servicing reconnect power using power switch Model VCSB481SS Capacity 28 57 cu ft Electrical 120 VAC Requirements 60 Hz Separate Circuit 15 Amp Refrigerant type 134A Widt...

Page 4: ...5 REFRIGERANT FLOW...

Page 5: ...6...

Page 6: ...7 MACHINE COMPARTMENT AIR FLOW...

Page 7: ...mps Thermister Check resistance across Terminals Bell curve Resistance see page 13 77 F 30 000 ohms 1 ohms 45 F 68 000 ohms 2 ohms Thermostat Volt 120VAC Watt 1000 Watts Current 10 Amps Resistance acr...

Page 8: ...Type Fan cooled R134a refrigerant BTUH 970 BTUH Volts 120VAC 60Hz Watt 176 watts Current Lock rotor 21 3 A Full load 6 A Resistance Run windings 2 60 Start windings 4 35 Drier Drier must be changed ev...

Page 9: ...facing shaft Counterclockwise evaporator fan RPM 3300 RPM Watt 1 4 Watts Overload Volt 120VAC Ult Trip amps 158 F 70 C 3 51 Amps Close temperature 142 F 61 C 9 Open temperature 257 F 125 C 5 Short ti...

Page 10: ...er temperature setting mode 1 Freezer indicator light will glow Freezer temperature setting will be displayed Factory setting is 5 2 Change freezer temperature setting by pressing Higher Temp or Lower...

Page 11: ...in this sequence Max Ref Max Frz Max Ref Max Frz 5 Tone will sound 3 times and control will be in program mode A Display Off Pad 1 Deactivates control panel 2 Deactivates temperature indication area o...

Page 12: ...gerator thermistors Refrigerator and Freezer Thermistor As temperature decreases resistance increases As temperature increases resistance decreases Open thermistor or thermistor circuit will result in...

Page 13: ...le Six minutes dwell time occurs after defrost terminator opens before compressor and condenser fan motor will operate Ten minute dwell time occurs after defrost terminator opens before evaporator fan...

Page 14: ...un time duration in 4 hours increments indicator 1 means 4 hours 2 means 8 hours etc Default delay is 24 hours 2 Press Higher Temp pad to decrease Max Frz duration by 4 hours 3 Press Lower Temp pad to...

Page 15: ...anel 2 Simultaneously press and hold Max Ref and Display Off pads for 3 seconds Forced Compressor Start 1 Press Display On pad to activate control panel 2 Simultaneously press and hold Max Frz pad and...

Page 16: ...CK WHICH CAN CAUSE SEVERE INJURY OF DEATH DISCONNECT POWER TO REFRIGERATOR USING POWER SWIDTCH BEFORE SERVICING WIRES REMOVED DURING DISASSEMBLY MUST BE REPLACED ON PROPER TERMINALS TO INSURE EARTHING...

Page 17: ...17...

Page 18: ...low voltage signals one to the compressor relay coil C1 and one to the evaporator relay coil E1 When both relay coils are energized and both relay contacts are closed high voltage circuits to evaporat...

Page 19: ...al to semiconductor switch for DC fresh food fan and DC condensate evaporator fan Both fans begin operating Fresh food fan circulates freezer air into fresh food compartment Condensate evaporator fan...

Page 20: ...sate evaporator fans After freezer thermistor cools sufficiently to raise resistance and block the signal to the electronic control compressor condenser fan motor will shut off However fresh food and...

Page 21: ...ng high voltage circuit to defrost heater through closed defrost terminator closes at 15 F Isolator which is part of high voltage PC board recognizes presence of line voltage to defrost heater and sen...

Page 22: ...22...

Page 23: ...ermostat Close 17 3 F 8 1 C Bimetal Opens 32 3 F 0 1 C Water fill 140 cc 7 5 sec Motor cycle Stamped in circuit Plug in connectors One revolution of blades takes 3 minutes plug stall time on ice eject...

Page 24: ...sconnect power to refrigerator using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earthing and polarization After servicing rec...

Page 25: ...t be in on position There are several slotted shafts on motor assembly board Do not insert screwdriver and attempt to turn shafts Slots permit assembly only There are non repairable and non replaceabl...

Page 26: ...r temperatures above normal 0 2 F 18 1 C will slow down ice production Increase ice production by setting freezer to colder setting Thermostat cycling temperature 1 revolution ice maker is 17 3 F 8 1...

Page 27: ...ming cam Inside valve is a flow washer which acts as a water pressure regulator Proper ice maker fill is 140cc 10cc at 7 5 seconds of water fill at an inlet pressure ranging from 20 to 120 PSI 1 4 to...

Page 28: ...tube cup assembly Frozen fill tube Replace water valve Kinked water line Un kink line and check line for weak sections Obstructed water line to ice maker or Clear water line refrigerator Clogged water...

Page 29: ...l level refrigerator or ice maker No power to ice maker Determine discontinuity be tracing power Excessive water fill volume Adjust module screw lower water pressure or replace water valve Cubes falli...

Page 30: ...replace Ice Maker Excessive Ice Production Problem Action Shut off arm not in actuator Replace shut off arm in actuator Deformed shut off arm Replace shut off arm Broken shut off lever or lever bypass...

Page 31: ...jection position Contaminated module Replace Ice Maker Refrigerator or ice maker not level Level refrigerator or ice maker Excessive water pressure Decrease water pressure 20 120 psi 1 4 8 2 bar Short...

Page 32: ...32...

Page 33: ...a Microsoft Templates Normal dot Title Subject Author Viking Range Keywords Comments Creation Date 10 25 2001 8 30 AM Change Number 2 Last Saved On 3 28 2003 4 01 PM Last Saved By Ken Sievert Total Ed...

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