Instruction/ maintenance manual of the product VCWB300 Viking
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SERVICE NOTEBOOK VCWB300 PROFESSONAL MODEL BUILT-IN FULL HEIGHT WINE COOLER.
Table of Contents Technical Information--------- ----------------- --------------------------------- ---------- 4 Sealed System------------------- ----------------- --------------------------------- -.
VCWB300 DDWB300 DESIGNER – DFWB300 FULL OVERLAY BUILT-IN FULL HEIGHT WINE COOLER VIKING TECHNICAL INFORMATION * DUE TO POSSIBLITY OF PERSONAL INJURY OR PROPERTY DAMA GE, ALWAYS CONTACT AN AUTHORIZED TECHNICIAN FOR SERVICING OR REPAI R OF THIS WINE COOLER.
SEALED SYSTEM The sealed system consists of the following components (listed in order of refrigerant flow): 1 condenser coil 1 dryer assembly 3 solenoid valves 3 heat exchangers 3 evaporators 1 compressor 1 discharge tube 1 drain pan heater 1 pre-condenser loop Refrigerant Type – HFC 134a Refrigerant Charge – 7.
CONTROL PANEL ASSEMBLY The wine cooler is equipped with a control panel conveniently located in the top front of the top compartment of the wine cooler. From this point the user can operate all functions of the wine cooler’s temperature management and various electronic features.
and appropriate zone valve based upon the temp erature at the evaporator thermistor and will turn off the zone valve based up on the temperature at the cham ber thermistor. Temperature readout and setting: Pressing the zone button w ill change which ch amber is selected for adjustments.
Showroom mode: This mode, selected by closing the s howroom switch is intended to simul ate normal operation in all ways except the cooling and temperature alarm functions.
GLASS MULLION SHELF Each compartment is separated be a fixed glass shelf (“Mullion” – two per wine cooler). These glass shelves are uniquely designed such that they act not only as an insulated .
DISPLAY PANEL KEYBOARD ELECTRONIC FUNCTION DESCRIPTION Power Disconnect Switch: The power on/off switch is used to tu rn the pow er off to the wine cooler when cleaning it or changing the light tubes. The wine cooler is shipped with the power on/off switch in the on position.
DISPLAY PANEL OPERATION Keyboard Entry Tone Indicates a pad was pressed, command read and accept. Zone Pad 1. Toggle between zones for set point temperature adjustment. Pressing immediately toggles from Top to mid to bottom , respectively that order. Entry tone will sound at each depression of pad.
Display Pad 1. Activates control panel. Pressing button for 2 seconds toggles the display on/off. Entry tone will sound at after 2 seconds of pad depression. 2. Activates Holiday Mode. Pr essing button for 15 seconds toggles the holiday mode on/off. 3.
LEVELING ADJUSTMENTS DOOR STOP ADJUSTMENT 1. Using a 3/16” allen wrench, remove door stop pin located in bottom hinge. 2. The pin is factory set 110 ° . For 120 ° swing, move the pin to the utmost forward stop hole. For 90 ° swing, move the pin to the utmost rear stop hole.
DIAGNOSTIC CHECK POINTS (Rfer to Wiring Schematic on Page 19) Number DescriptionA E1 Display Board Send 1 +5Vdc 2 data signals 3 ground E2 Touch switch inputs (with switches connected), typical 1 +5VDC 2 Ground Common for measurements on E2 3 Not connected 4 When button is touched +4Vdc to +5Vdc, otherwise less than +1Vdc.
DIAGNOSTIC CHECK POINTS (con’t) E4 Thermister inputs (measured wi th thermisters disconnected). 1 to 8 3 to 4.5 VDC – TE2 (Evaporator Thermister #2) 2 to 9 3 to 4.5 VDC – TC1 (Compartment Thermister #1) 3 to 10 3 to 4.5 VDC – TE1 (Evaporator Thermister #1) 4 to 11 3 to 4.
General Information: Approved Board Certification CSA – UL Suction 0.256” + 0.005” / - 0.003” Discharge 0.194” + 0.003” / - 0.003” Process 0.256” + 0.005” / - 0.003” Mechanical Data: Low Starting Torque (LST) Lubricant Charge 6.76 fl.
THERMISTER RESISTANCE READING Using a Cup of Water (full of ice) at 32 ° F , place the Thermister in the water and you should read approximately 7353 Ω ’s.
Solenoid Valve / Evaporator Fan FEATURES: Direct acting solenoid valve, designed to shut off refrigerating medi a. MOUNTING: Vertical with coil upwards preferred. During welding the central part of the body must not exceed 100 ° C. VALVE: Medium temperature from 10 ° C to + 90 ° C.
VCWB300 WIRING SCHEMATIC 19.
VCWB300 WIRING DIAGRAM 20.
TROUBLESHOOTING GUIDE PROBLEM PO SSIBLE CAUSE CORRECTION A. Warm temperature 1. Control set too warm Check set-points. Adjust set- in all Wine storage points colder. compartments. 2. Unit in Showroom Adjust set-points and listen Mode for compressor and condenser fan operation.
TROUBLESHOOTING GUIDE (con’t) PROBLEM PO SSIBLE CAUSE CORRECTION A. Warm temperature b2 Check for continuity across In all Wine Storage the motor windings of the Compartments. inoperative fan motor (See pages 14 and 19). 8. Condenser Air / Flow Condenser Fan Fault a.
TROUBLESHOOTING GUIDE (con’t) PROBLEM PO SSIBLE CAUSE CORRECTION 5. Door Ajar a. (See page 21) 6. Evaporator Thermistor Fault. a. (See page 17) 7. Condenser Air / Con- denser Fan Fault. a. (See page 22) 8. Check Thermistors a. (See E4 checks, page 15) 9.
TROUBLESHOOTING GUIDE (con’t) PROBLEM PO SSIBLE CAUSE CORRECTION 2. Refrigerant Valve a. Initiate manual valve activation Solenoid Fault, mode on opposite valve as that Stuck Open suspected. Toggle to evaporator temp readings associated with suspected valve to verify it is closed.
TROUBLESHOOTING GUIDE (con’t) PROBLEM PO SSIBLE CAUSE CORRECTION 4. No Power from 4. Check E15 to ground (See Control Board page 14). I. Control Panel 1.
An important point after buying a device Viking VCWB300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Viking VCWB300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Viking VCWB300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Viking VCWB300 you will learn all the available features of the product, as well as information on its operation. The information that you get Viking VCWB300 will certainly help you make a decision on the purchase.
If you already are a holder of Viking VCWB300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Viking VCWB300.
However, one of the most important roles played by the user manual is to help in solving problems with Viking VCWB300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Viking VCWB300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
