Viking Designer DDFB304, Service Notebook, Page: 3 / 48

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TABLE OF CONTENTS
WARNINGS ---------------------------------------------------------------------------------- 3
General Specifications------------------------------------------------------------------------ 3
VCC Compressor Specs (All Freezer)------------------------------------------------------- 4
VCC Compressor Specs (All Refrigerator)------------------------------------------------- 5
Equipment and Tools-------------------------------------------------------------------------- 6--11
Display Panel Operations-------------------------------------------------------------------- 12-13
Keyboard Layout------------------------------------------------------------------------------ 14
Functional Description------------------------------------------------------------------------ 14
Temperature Control Operation (Thermistors)-------------------------------------------- 15
Factory Set Freezer and Refrigerator settings---------------------------------------------- 16
Program Mode---------------------------------------------------------------------------------- 16
Mode A and Mode B Functions----------------------------------------------------------- 17
Temperature Offset Calibration------------------------------------------------------------ 18
Electronic Testing---------------------------------------------------------------------------- 19
WIRING DIAGRAMS
30” Wide All Freezer------------------------------------------------------------------------- 21
30” All Freezer 120V Supply and Light Circuit---------------------------- 22
30” All Freezer Sealed System----------------------------------------------- 23
30” All Freezer Icemaker------------------------------------------------------ 24
36” Wide All Freezer------------------------------------------------------------------------ 25
36” All Freezer 120V Supply and Light Circuit----------------------------- 26
36” All Freezer Sealed System------------------------------------------------ 27
36” All Freezer Icemaker------------------------------------------------------ 28
30” Wide All Refrigerator------------------------------------------------------------------- 29
30” All Refrigerator 120V Supply and Light Circuit----------------------- 30
30’ All Refrigerator Sealed System------------------------------------------- 31
36” Wide All Refrigerator------------------------------------------------------------------- 32
36” All Refrigerator 120V Supply and Light Circuit----------------------- 33
36” All Refrigerator Sealed System------------------------------------------- 34
Low Voltage Board Check Points----------------------------------------------------------- 35
Control Board Layout------------------------------------------------------------------------- 36
Control Box and Control Board Harness--------------------------------------------------- 37
Icemaker (All Freezer Only)---------------------------------------------------------------- 38-44
Sealed System--------------------------------------------------------------------------------- 45
24 VDC Power Supply----------------------------------------------------------------------- 45