Vinotemp WINE-MATE WM-3500HZD Service Manual Download Page 1

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WINEMATE Cooling Unit

Service Manual

WM3500HZD
WM4500HZD
WM6500HZD
WM8500HZD

Vinotemp International Inc.

www.vinotemp.com

Summary of Contents for WINE-MATE WM-3500HZD

Page 1: ...WINEMATE Cooling Unit Service Manual WM3500HZD WM4500HZD WM6500HZD WM8500HZD Vinotemp International Inc www vinotemp com ...

Page 2: ...SAFETY INFORMATION 1 ...

Page 3: ...otors 10 7 Removing the Start Relay and Overload Protector 10 8 Removing the Compressor 11 9 Removing the Condenser 12 10 Removing the Evaporator 12 3 Servicing and Diagnosis 13 I Identifying Component Problems 13 1 Compressor 13 2 Start Relay 14 3 Overload Protector 15 4 Electronic Controller 15 5 Thermistor 17 6 Fan Motors 17 II Wiring Diagram 18 III Troubleshooting Chart 19 4 Installation and O...

Page 4: ...rsonnel will Fully understand the proper safety precautions Successfully install the cooling unit Successfully troubleshoot and diagnose malfunctions Successfully perform necessary repairs Successfully return the cooling unit to proper operational status II R134a Refrigerant Service Information This cooling unit uses R134a refrigerant This refrigerant requires synthetic ester oil in the compressor...

Page 5: ...will drive moisture back into sealed system Table 1 1 Health and Safety Handling of R134a Allowable Overall Exposure Limit 1 000 ppm Vapor Exposure to Skin No Effect Liquid Exposure to Skin Can cause frostbite Vapor Exposure to Eyes Can cause very slight irritation Liquid Exposure to Eyes Can cause frostbite Above Minimum Exposure Limit Can cause asphyxiation tachycardia and cardiac arrhythmia s W...

Page 6: ...s This section provides you the component information and access inside the cooling unit The components and their locations are shown Figures 2 1 through 2 11 below I Model Number Serial Label and Component Locations Label Figure 2 1 5 ...

Page 7: ...2 2 Removing the Inner Styrofoam Covers Once the outer cover is removed this will expose the inner styrofams The top large Styrofoam cover seals off the condenser and evaporator fan compartments To gain access to the other components the styrofoam covers will need to be removed To separate the top styrofoam covers a knife can be used to cut along the seam and through the seal Take care as not to d...

Page 8: ...Figure 2 3 Figure 2 4 7 ...

Page 9: ...Figure 2 5 3 Removing the Fan Shroud 1 Remove the 4 rivets 2 Disconnect wires 3 Remove the shroud Figure 2 6 8 ...

Page 10: ...the front of the electronic controller 6 Remove the two screws from the front of the electronic controller 7 Locate the retainer just inside the front panel going around the outside of the electronic controller While squeezing both tabs of the retainer push the electronic controller out of the opening 5 Removing the Thermistor 1 Unplug the WINEMATE cooling unit or disconnect power 2 Remove the WIN...

Page 11: ...izontal fan shroud They are the same and all powered up at the same time 1 Unplug the WINEMATE cooling unit or disconnect power 2 Remove the WINEMATE cooling unit from the enclosure opening 3 Remover the outer cover 4 Remove the top large styrofoam cover 5 Disconnect the two wires going to the electrical junction block 6 Remove the four screws holding the fan to the shroud 7 Removing the Start Rel...

Page 12: ...1 1 Unplug the WINEMATE cooling unit or disconnect power 2 Remove the WINEMATE cooling unit from the enclosure opening 3 Remover the outer cover 4 Remove the top and bottom styrofoam covers and the fan shroud 5 Place piercing valves onto the process tubes and discharge the refrigerant into an approved R134a recovery system 6 Use a tubing cutter to remove the suction line and discharge line from th...

Page 13: ... hot gas line and liquid line from the condenser 7 Remove 4 rivets from the condenser 8 Remove the condenser 10 Removing the Evaporator 1 Unplug the WINEMATE cooling unit or disconnect power 2 Remove the WINEMATE cooling unit from the enclosure opening 3 Remover the outer cover 4 Remove the top large styrofoam cover and the inner divider 5 Place piercing valves onto the process tubes and discharge...

Page 14: ...through the sealed system A Resistance Figure 3 1 1 Unplug WINEMATE cooling unit or disconnect power 2 Remove the terminal cover from the compressor 3 Remove the start relay and overload protector from the compressor If wiring is removed from the start relay and or overload protector carefully label each wire according to its proper location 4 Set the ohmmeter scale to the lowest setting 13 ...

Page 15: ...n touch and hold the other probe to the ground on the compressor The ohmmeter should read infinity Any resistance indicates a shorted compressor 9 If the compressor tests ok but does not start check start relay overload protector and live voltage B Live Voltage 1 Unplug WINEMATE cooling unit or disconnect power 2 Remove the terminal cover from the compressor 3 The WINEMATE unit needs to be plugged...

Page 16: ...how an open circuit If not the start relay is bad and needs replacing 7 Turn the relay upside down 8 Place and hold the ohmmeter probe in one terminal and place the other ohmmeter probe in the other terminal The ohmmeter should show zero resistance If not the start relay is bad and needs replacing 9 If the start relay is good reinstall and reconnect the relay with the letters TOP facing up 3 Overl...

Page 17: ...l turn off the cooling unit A Resistance 1 Unplug WINEMATE cooling unit or disconnect power 2 Disconnect the connector with the red and white wires connected to the input of the electronic controller 3 Touch and hold one ohmmeter probe to one terminal on the electronic controller then touch and hold the other probe to the other terminal 4 The ohmmeter should show a reading of 825Ω 10 5 Reconnect t...

Page 18: ...he electronic controller 7 Touch and hold one voltmeter probe to the red wire then touch the other probe to the black wire 8 Now the voltmeter should read 115 volts 9 If the readings are both correct the electronic controller is good 5 Thermistor 1 Disconnect the thermistor connector from the electronic controller 2 Set ohmmeter to the R x 10K scale 3 Immerse the tip of the thermistor into ice wat...

Page 19: ...rminals as previously marked B Live voltage 1 The WINEMATE unit needs to be plugged in and turned on 2 Locate the black and white wires from the fan motor being tested and follow them back to the terminal block 3 Set the voltmeter to the AC 200 scale 4 Touch and hold one voltmeter probe to one of the wire terminals then touch and hold the other probe to the other wire 5 The voltmeter should show a...

Page 20: ...relay and overload protector e Check for condenser fan f Clean condenser g Remove refrigerant h Refer to OEM service information 3 Fan motor running but compressor not running a Incorrect power supply b Incorrect or loose wirings c Failed components d Liquid refrigerant in the compressor a Check for proper voltage b Check all wirings and connections c Check start relay start capacitor overload pro...

Page 21: ... Malfunctioning components a Check for proper fuse or breaker b Check wirings and connections c Check failed components 8 Noisy operation a Mounting area not firm b Loose parts c Compressor overloaded due to high ambient temperatures or airflow restriction d Malfunctioning components a Add support to improve installation b Check fan blades bearings cabinet washers tubing contact and loose screws c...

Page 22: ...ch The area into which the unit exhausts must be well ventilated If it is not heat exhausted by the unit will build up and the unit will not operate properly Additionally cold air from the front opening must remain unobstructed The unit should be mounted near the ceiling and as close to equal distance from each end of the wall as possible Figure 4 1 21 ...

Page 23: ...erly grounded and dedicated outlet of adequate capacity Because of potential safety hazards under a certain condition we strongly recommend against the use of an extension cord However if you still select to use an extension cord it is absolutely necessary that it is a UL LISTED 3 wire grounding type appliance extension cord having a 3 blade grounding plug and a 3 slot receptacle that will plug in...

Page 24: ... 60Hz 14A 110 8500hzd Up to 2000 cu ft 8500 bottles 17x28x22 115V 60Hz 16A 110 Before installing the unit in the enclosure place it on a table and plug it into a properly grounded outlet it will run as soon as it is plugged in Allow it to run for approximately 15 minutes There should be a flow of cool air from the front cold air discharge opening and warm air from the back hot air exhaust opening ...

Page 25: ...5 Customer Support If you still have problems please contact us at Vinotemp International 17631 South Susana Road Rancho Dominguez CA 90221 Tel 310 886 3332 Fax 310 886 3310 Email info vinotemp com 24 ...

Page 26: ...ce under Warranty This service is provided to customers within the continental UNITED STATES only VINOTEMP cooling units are warranted to produce the stated number of BTU H While every effort has been made to provide accurate guidelines VINOTEMP can not warranty its units to cool a particular enclosure In case of failure VINOTEMP cooling units must be repaired by the factory or its authorized agen...

Page 27: ... IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR INPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE While great effort has been made to provide accurate guidelines VINOTEMP cannot warrant its units to properly cool a particular enclosure Customers are cautioned that enclosure construction unit location and many other factors can affect th...

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