Viking VUWC244DRSS Bedienungsanleitung
SMR-0005
October 2010
Service
Manual
VUWC244DRSS & DLSS
VUWC244CRSS & CLSS
VUWC244FRSS & FLSS
DFUW244CR & CL
DFUW244FR & FL
This Base Manual covers general and
specific information including, but not
limited to the following models:
This manual is to be used by qualified appliance technicians only. VIKING
does not assume any responsibility for property damage or personal injury
for improper service procedures done by an unqualified person.
Index
Section 1
Introduction to the Dual Zone 1
1.1 UnitSpecications 2
1.2 Installation Tips 3
1.3 Electrical Requirements 3
1.4 Interior Components 4
1.4.1 Wine Shelves 4
1.4.1.1 Removing 4
1.4.2 Lights 4
1.4.2.1 Replacing 4
Section 2
Dual Zone Characteristics 5
2.1 Introduction: TruProtect™ Control Features 6
2.1.1 TruProtect™ System 6
2.1.2 Initial Start Up 6
2.1.3 Turning Unit ON/OFF 6
2.1.4 Display Temperature 6
2.1.5 Setting the Display Temperature 7
2.1.6 Selecting˚F/˚C 7
2.1.7 Display Lighting 7
2.1.8 Show Room Lighting 7
2.1.9 Black Out Mode 8
2.1.10 Sabbath Mode 8
2.1.11 Door Alarm 8
2.1.12 High / Low Temperature Alarm 8
2.1.13 Power Failure Alarm 8
2.1.14 Reset Alarms 8
2.2 System Operation 9
2.3 Defrosts 9
2.4 Software 10
Section 3
Refrigeration System 11
3.1 BasicUnitConguration 12-13
3.2 Servicing 14
3.3 Basic Tools 14
3.4 R-134a 15
3.5 Sealed System 16
3.6 Low Side Leaks 16
3.7 High Side Leaks 16
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SMR-0005
3.8 Restricted Capillary Tube 17
3.9 Access Valves 17
3.10 Refrigerant Recovery 18
3.11 Flushing the System 18
3.12 System Evacuation 19
3.12.1 Evacuating the Refrigerant 19
3.13 Charging the System 20
3.13.1 Alternate Method 21
3.14 Leak Testing 21
Section 4
TruProtect™Control Diagnostics 22
4.1 Diagnostics Mode 23
4.2 Error Codes 24
Section 5
Mechanical System Components 25
5.1 Access to Mechanical Base Plate 26
5.2 Compressor 27
5.2.1 Removal 27
5.2.2 Installation 28
5.3 Condenser 29
5.3.1 Removal 29
5.3.2 Installation 30
5.4 Evaporator 31
5.4.1 Removal 31
5.4.2 Installation 32
Section 6
Structural Components 33
6.1 Divider Assembly & Evaporator Cover 34
6.1.1 Removal 34
6.1.2 Installation 35
6.2 Handle-RemovalandAdjustments 36
6.3 Hinge–Adjust 36
6.4 LevelingLegs -Adjust 36
Section 7
Electrical Components 37
7.1 Fans 38
7.1.1 Condenser Fan 38
7.1.1.1 Removal 38
7.1.1.2 Installation 39
7.1.2 Compartment Fan 39
7.1.2.1 Operation 39
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7.1.2.2 Replacing 40
7.1.3 Heater / Fan Assembly 40
7.1.3.1 Operation 40
7.1.3.2 Replacing 41
7.2 Thermistor 42
7.2.1 Checking Resistance 43
7.2.2 Replacing Upper Cable 44
7.2.3 Replacing Lower Cable 44
Section 8
Control Components 45
8.1 User Interface Board 46
8.1.1 Replacing 46
8.2 Main Power Board 47
8.2.1 Removal 48
8.2.2 Installation 48
Section 9
Wiring 49
9.1 Diagram 50
9.2 Communication Cable 51
9.3 Main Power Board 52
9.4 User Interface 53
Section 10
Reference Charts 54
10.1 Resistance Temperature Chart 55
10.2 Pressure-TemperatureChart 56
10.3 QuickReferenceSheet 57-58
Section 11
Trouble Shooting Guide 59
11.1 Problem/Cause/Correction 60-62
Section 12
Reference Photos 63
12.1 Upper Compartment 64
12.2 Lower Compartment 64
12.3 Cabinet Back 65
12.4 Cabinet Rear Corner 65
12.5 Front Grille 66
12.6 Cabinet Front Corner 66
12.7 Mechanical Assembly 67
12.8 Mechanical Assembly 67
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SMR-0005
12.9 Compressor Electrical Cover 68
12.10 Compressor Relay / Overload / Capacitor 68
12.11 Mechanical Assembly – Top View 69
12.12 Mechanical Assembly – Front View 69
12.13 Inside Upper Compartment 70
12.14 Inside Lower Compartment 70
12.15 Inside (Top) of Upper Compartment 71
12.16 Inside (Top) of Lower Compartment 71
12.17 Bottom of Lower Compartment 72
12.18 Divider – Bottom Corner 72
12.19 CompartmentFans-InsideUpperCompartment 73
12.20 Divider Side and Rear Channels 73
12.21 MolexConnections-InsideUpperCompartment 74
12.22 MolexConnection-InsideLowerCompartment 74
12.23 Components of Upper Compartment 75
12.24 Compartment Fan Connections – Behind Cover 75
12.25 View of Components Behind Evaporator Cover 76
12.26 Divider Bottom – Return Air 77
12.27 Divider Installation 77
12.28 Handle with Stand Off 78
12.29 Handle Stand Off 78
12.30 Door Gasket and Magnet 79
12.31 Door Divider Seal 79
12.32 Door Hinge Assembly 80
12.33 Main Power Board Housing 81
12.34 Main Power Board Housing 81
12.35 User Interface Control Box 82
12.36 User Interface Board 82
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2010 - Viking Preferred Service
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Section 1
Introduction
to
Dual Zone
2010 - Viking Preferred Service
SMR-0005
1.1 UnitSpecications
Model: VUWC244DRSS, DLSS, CRSS, CLSS, FRSS, FLSS
DFUW244CR, CL, FR, FL
Cabinet dimensions
Height: 33 ¾”
Width: 23 7/8”
Depth: 23 7/8”
Weight: 170 lbs
Electrical: 115 VAC / 60Hz
Power Cord Length: 7 foot
Refrigerant: R-134a-3.25ounces
Temperature Control: Electronic – TruProtect™
Compressor: Hermetically sealed, 115 VAC, 438 BTU/HR, 1.5 Amp
Condenser Fan: 115 VAC, 2.3 Watts, 1300 RPM
Compartment Fans: (2) 12 VDC
Heater / Fans (2) 12 VDC
Serial Nameplate
How to read the above serial plate: 20090218001H
Left to right; 1st 4 digits: 2009 is the year built
5
th & 6th digit: 02 is the month built
7th and 8th digits: 18 is the day built
9
th, 10th, 11th digit: 001 is the sequential number built that day
12th digit: H is the assembly site.
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2010 - Viking Preferred Service
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1.2 Installation Tips
Thisunitcanbeinstalledfreestandingorbuilt-in.Thefrontoftheunitmustbeunobstructed1) for proper air circulation and operation at all times
Area should be ventilated and without extreme temperatures.2) Unit must be installed indoors and away from the elements of nature. This unit is not U.L.3) approved for outdoor installation. If installed against these recommendations the warranty
will be void.
Unit must be installed on a level surface capable of supporting the loaded weight of the unit4) plus its contents.
If unit is installed freestanding insure that power cord is not in a position for tripping over or
5) accidental pulling.
Make sure that door is aligned at a right angle to cabinet top and securely fastened to hinge6) assembly.
Insure that door is properly closed and making contact with reed switch on the user interface7) control. The display will “black out” when the door is closed properly.
Check to insure that unit is cooling after installation is complete.8) Familiarize the customer with the product after installation is complete. Make sure they9) understand the functions of the control panel.
1.3 Electrical Requirements
Supply voltage to the unit is 115 VAC, 60 Hz, 1 phase.1) Power receptacle should be fed through a 15 amp, delayed action fuse or circuit breaker.2) Do
not fuse the neutral or ground side of the circuit.
This unit requires the use of a grounded outlet.3) It is recommended that a single circuit receptacle be used for this unit only.4) Do not use an
extension cord with this product.
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2010 - Viking Preferred Service
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1.4 Interior Components
1.4.1 Wine Shelves
A total of six (6) glide out shelves with wine mats.
Includesve(5)wineshelves
Overall shelf dimensions are: 19 ¼” wide x 17” deep
Shelf capacity of 8 bottles each
Extends outward: 12” maximum
Includes one (1) Bottom wine shelf
Overall shelf dimensions are: 19 ¼” wide x 11” deep
Shelf capacity of 4 bottles
Extends outward: 6 ½” maximum
1.4.1.1 To Remove Shelves
1) Unload shelf
2) Pull forward until the shelf has reached its forward limit.
3)Pickfrontedgeofshelfupwardtowardsa45˚angle.
4) Pull shelf out away from slides
5) Reverse process to install
NOTE: Builtinunitsmustaccommodatea90˚dooropeningtofacilitateshelfextension.
CAUTION
1) Do not lean or press down heavily on the wine shelves. Doing so may damage the shelves.
2) It is also advisable not to pull more then one wine shelf out at a time.
3) Pull wine shelves out carefully to minimize unsettling of the wine collection.
1.4.2 Lights
Each compartment has a 115 volt interior light. The lights function utilizing a door magnet mounted on
the inside of the cabinet door. A reed switch located inside the User Interface control turns the lights on
and off with each door position.
The lights can also be operated using “Display Lighting” or “Show Room Lighting”. These functions are
controlled by the light keypad on the User Interface panel. Refer to Section 2, Paragraphs, 2.1.7 & 2.1.8
of this manual describing their use.
The interior lights come as an assembly piece which includes the bulb, mounting bracket, and electrical
plug.
1.4.2.1 To Replace the Light Assembly
1) Remove the top two shelves of the compartment to access the light assembly.
2) Disconnect the lights electrical plug where it plugs into the cabinet liner.
3)Removethetwohexheadscrewsthatfastenthextureinplace.
4) Remove and replace with new assembly.
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2010 - Viking Preferred Service
SMR-0005
Section 2
Dual Zone
Characteristics
2010 - Viking Preferred Service
SMR-0005
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9
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