Vinotemp WineMate WM3500HZD Service Manual
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Vinotemp WineMate WM3500HZD Service Manual

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

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Summary of Contents for Vinotemp WineMate WM3500HZD

  • Page 1 WINEMATE Cooling Unit Service Manual WM3500HZD WM4500HZD WM6500HZD WM8500HZD Vinotemp International Inc. www.vinotemp.com...
  • Page 2 SAFETY INFORMATION - 1 -...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction………………………………………………..3 I. Goals and Objectives…………………….…...……………………………3 II. R134a Refrigerant Service Information.....…………..…….3 Component Information and Access………………….5 I. Model and Serial Label Location…………………………………………5 II. Component Access…………………………………………………………6 1) Removing the Outer Cover…………………………..……………...…..6 2) Removing the Inner Styrofoam Cover…..……………………………..6 3) Removing the Fan Shroud…………………..…………………………..8 4) Removing the Electronic Controller……………..……………………..9 5) Removing the Thermistor………………………………………………..9 6) Removing Fan Motors…………………………………………………...10...

  • Page 4: Introduction

    1. Introduction VINOTEMP assumes no responsibility for any repairs made on products by anyone other than authorized service technician This manual has been prepared to provide the information on installing, servicing, troubleshooting and repairing procedures for the WINEMATE 3500HZD, 4500HZD, 6500HZD and 8500HZD cooling unit.
  • Page 5 • Use dry nitrogen to purge the system. • Do not overcharge the refrigeration system. • Do not leave replacement compressor open to the atmosphere for more than 10 minutes. • Do not operate the compressor without refrigerant charge in the system. •...

  • Page 6: Component Information And Access

    2. Component Information and Access 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: Component Access

    II. Component Access 1) Removing the Outer Cover 1. Unplug the WINEMATE cooling unit or disconnect power. 2. Remove the WINEMATE cooling unit from the enclosure. 3. To remove the outer cover, remove all screws from each side and on the top.
  • Page 8 Figure 2-3 Figure 2-4 - 7 -...

  • Page 9: Removing The Fan Shroud

    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: Removing The Electronic Controller

    4) Removing the Electronic Controller Figure 2-7 Figure 2-8 1. Unplug the WINEMATE cooling unit or disconnect power. 2. Remove WINEMATE cooling unit from the enclosure opening 3. Remove the top large styrofoam cover. 4. Disconnect all three connectors for the electronic controller. 5.

  • Page 11: Removing Fan Motors

    5. Disconnect the thermistor with connector from the electronic controller. 6. Remove the thermistor from the mounting clip on the front of the evaporator. 6) Removing Fans Figure 2-9 The 2 condenser and evaporator fans are attached to the horizontal fan shroud. They are the same and all powered up at the same time.

  • Page 12: Removing The Compressor

    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. Remove the terminal cover from the compressor. 6. Remove the start relay by pulling straight out away from the compressor terminal.

  • Page 13: Removing The Condenser

    9) Removing the Condenser 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 the refrigerant into an approved R134a recovery system.

  • Page 14: Servicing And Diagnosis

    Servicing and Diagnosis This section instructs you how to service each component inside the cooling unit. I. Component Checking 1) Compressor The compressor acts as a pump, forcing refrigerant through the sealed system. A. Resistance Figure 3-1 1. Unplug WINEMATE cooling unit or disconnect power. 2.

  • Page 15: Start Relay

    5. Touch and hold one ohmmeter probe to the C (common) terminal, then touch and hold the other probe to the R (Run) terminal. The ohmmeter should show a reading of a few ohms. If not, the compressor is bad. 6.

  • Page 16: Overload Protector

    A start relay’s function is to energize and de-energize the compressor’s start winding. The coil of the current type relay is connected in series with the run winding. When current flows through the coil, a magnetic force is produced, pulling the relay plunger up. With the relay plunger up, it connect the start winding and the run winding at the same time and the compressor starts.
  • Page 17 The electronic controller allows the customer to select a temperature form 45 °F to 75 °F. When the thermistor senses a temperature above the setting value, the electronic controller will turn on the compressor and fan motors. Once the selected temperature is sensed, the electronic will turn off the cooling unit. A.

  • Page 18: Thermistor

    Figure 3-4 1. The WINEMATE unit needs to be plugged in. 2. Locate the red and white wires going to the electronic controller. 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 terminal 5.

  • Page 19: Wiring Diagram

    3. Set the ohmmeter scale to the lowest setting. Touch and hold one ohmmeter probe to one of the wire terminals, then touch and hold the other probe to the other wire. 4. The ohmmeter should show a reading of tens ohms. 5.

  • Page 20: Troubleshooting Chart

    III. Troubleshooting Chart This Troubleshooting Chart is not prepared to replace the training required for a professional refrigeration service person, not is it comprehensive. Table 3-1 Troubleshooting Chart Complaint Possible Causes Response 1. Unit not running a. Power cord unplugged a.
  • Page 21 installation g. Low voltage. g. Check power supply h. Operating 60 Hz unit at 50Hz h. Use proper 60 Hz Sealed system problem Check loss refrigerant restrictions Undercharge or overcharge Add or remove refrigerant 7. House circuit tripping a. Incorrect fuse or breaker a.

  • Page 22: Installation And Operation

    4. Installation and Operation I. Installation Instructions Select a place to mount the unit where the exhaust airflow is unobstructed for a minimum of 6 inch. 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.

  • Page 23: Operation Information

    FRONT VIEW REAR VIEW Figure 4-2 Make an opening in the wine cellar wall as illustrated in Fig. 4-1. The dimensions of the opening should be ¼ inch larger than the width and height of the unit. Construct a shelf as shown in Fig.4-1. The shelf must be capable of supporting the weight of the unit.
  • Page 24 ° F and 55% RH. Products requiring these storage conditions include wine, furs, pastries, tobacco, chocolates and documents. WINEMATE cooling units are not intended to cool service cabinets that are maintained at lower temperatures and are opened frequently. ° Table 4-1 Specification under 75 F, 55%RH Dimensions Model...

  • Page 25: Customer Support

    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: Warranty Information

    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 agent. Repairs or modifications made by anyone else will void the warranty.

  • Page 27: Limitation Of Implied Warranty

    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 the operation and performance of the unit.

This manual is also suitable for:

Winemate wm4500hzdWinemate wm6500hzdWinemate wm8500hzd

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