Viking VCWB300 manual

SERVICE NOTEBOOK VCWB300 PROFESSONAL MODEL BUILT-IN FULL HEIGHT WINE COOLER[...]

Table of Contents Technical Information--------- ----------------- --------------------------------- ---------- 4 Sealed System------------------- ----------------- --------------------------------- --------- 5 Control Panel Assembly------ ----------------- --------------------------------- ----------- 6 Mode of Operation------------ --------------[...]

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. The Viking Built-in Full Height 30” W. wine cooler (VCWB series) is designed to meet the n[...]

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 – 7.3 oz. Evaporator Temperature Rang[...]

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. The control panel housing is constructed of injected molded plastic[...]

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. The s elected chamber will have a b a r displayed over the tem[...]

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. Closure of this switch will over-ride normal cooling. Temperature displayed for the chambers will be the last temperatures stored in memory, or the factory de faults setting if [...]

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 divider wall, but also provides a means of draining the condensate water from the top and middle compartments and as a means of att aching and support[...]

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. To turn th e power off, remove the center grille assem bly by grasping th[...]

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. 2. Used in conjunction with “Higher Tem p” and[...]

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. Used in conjunction with “alarm” pad to toggle between “F” Fahrenheit and “C” Celsius[...]

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. HINGE ADJUSTMENT 1. Using 3/16” allen wren ch, remove the door stop [...]

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. 5 When button is touched [...]

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 4.5 VDC – TC3 (Compartment Thermister #3) 5 to 12 3 to 4.5 VDC – TE3[...]

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. Oz. Lubricant type ESTER Lubricant Viscosity @ 40 ° C ISO 22 Weight (with Oil Charge) 15.43 lb[...]

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. DEG. F RESISTANCE 25 8989 26 8732 27 8483 28 8242 29 8009 30 7783 31 7556 32 7353 33 7148 34 6949 35 6756 36 6570 37 6389 38 6213 39 6043 40 5879 41 5719 42 5564 43 5414 44 5269 45 5127 46 [...]

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. Opening time 20 ms – closing time 20ms. COIL: Voltage toleranc[...]

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. If they do not energize, switch unit OFF then press and hold upper compa[...]

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. Dirty condenser a. Clean condenser b. Condenser fan blade b. Check fan blade. Ti[...]

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. Refrigerant Valve Solenoid Fault a. Solenoid disconnected a. (See solenoid checks page 14) or[...]

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. If it is open, check solenoid electrical connections to make sure [...]

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. Control Panel Ribbon 1. Check control panel ribbon Keys Inoperative or Cable Plugged in cable (silver area on the ribbon Malfunctioning Wrong cable terminal should be facing away from the contro[...]