Viking VCWB300 - Manual (Page 2)

Table of Contents
Technical Information--------------------------------------------------------------------- 4
Sealed System------------------------------------------------------------------------------ 5
Control Panel Assembly------------------------------------------------------------------- 6
Mode of Operation------------------------------------------------------------------------ 6
Temperature Readout and Setting----------------------------------------------- 7
Display Off------------------------------------------------------------------------- 7
Compressor Protection------------------------------------------------------------ 7
Fan Operation---------------------------------------------------------------------- 7
Alarm Security--------------------------------------------------------------------- 8
Holiday Mode---------------------------------------------------------------------- 8
Service Mode----------------------------------------------------------------------- 8
Display Interface Board----------------------------------------------------------- 8
Glass Mullion Shelf---------------------------------------------------------------- 9
Electronic Function Description-------------------------------------------------------- 10
Display Panel Keyboard---------------------------------------------------------- 10
Power Disconnect Switch--------------------------------------------------------- 10
Showroom Switch----------------------------------------------------------------- 10
Display Panel Operation----------------------------------------------------------------- 11
Keyboard Entry Tone------------------------------------------------------------- 11
Zone Pad---------------------------------------------------------------------------- 11
Lower Temp Pad------------------------------------------------------------------- 11
Higher Temp Pad------------------------------------------------------------------ 11
Lights-------------------------------------------------------------------------------- 11
Display
Pad------------------------------------------------------------------------- 12
Alarm-------------------------------------------------------------------------------- 12
Wine Cooler Leveling---------------------------------------------------------------------- 12
Door Stop Adjustment---------------------------------------------------------------------- 13
Hinge Adjustment--------------------------------------------------------------------------- 13
Diagnostic Check Points------------------------------------------------------------------ 14
E1 – Display Board Output------------------------------------------------------- 14
E2 – Touch Switch Inputs-------------------------------------------------------- 14
E3 – Outputs and Line Voltage Inputs------------------------------------------ 14
E4 – Thermistor Inputs------------------------------------------------------------ 15
Compressor Relay------------------------------------------------------------------ 15
Alarm Wires------------------------------------------------------------------------- 15
Display Board----------------------------------------------------------------------- 15
Compressor (General Information)-------------------------------------------------------- 16
Thermister Resistance Reading------------------------------------------------------------- 17
Solenoid Valve / Evaporator Fan----------------------------------------------------------- 18
Wiring Schematic---------------------------------------------------------------------------- 19
Wiring Diagram------------------------------------------------------------------------------ 20
3