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 UnitSpecications     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 BasicUnitConguration     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-RemovalandAdjustments    36

6.3 Hinge–Adjust      36  

6.4 LevelingLegs -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

2010 - Viking Preferred Service

SMR-0005

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-TemperatureChart     56

10.3 QuickReferenceSheet     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

iii

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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 CompartmentFans-InsideUpperCompartment  73

12.20 Divider Side and Rear Channels 73

12.21 MolexConnections-InsideUpperCompartment  74

12.22 MolexConnection-InsideLowerCompartment  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

2010 - Viking Preferred Service

SMR-0005

Section 1

Introduction

Dual Zone

2010 - Viking Preferred Service

SMR-0005

1.1 UnitSpecications

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-3.25ounces

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

th & 6th digit: 02 is the month built

7th and 8th digits: 18 is the day built

th, 10th, 11th digit: 001 is the sequential number built that day

12th digit: H is the assembly site.

2010 - Viking Preferred Service

SMR-0005

1.2 Installation Tips

Thisunitcanbeinstalledfreestandingorbuilt-in.Thefrontoftheunitmustbeunobstructed1) 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.

2010 - Viking Preferred Service

SMR-0005

1.4 Interior Components

1.4.1 Wine Shelves

A total of six (6) glide out shelves with wine mats.

Includesve(5)wineshelves

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)Pickfrontedgeofshelfupwardtowardsa45˚angle.

4) Pull shelf out away from slides

5) Reverse process to install

NOTE: Builtinunitsmustaccommodatea90˚dooropeningtofacilitateshelfextension.

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)Removethetwohexheadscrewsthatfastenthextureinplace.

4) Remove and replace with new assembly.

2010 - Viking Preferred Service

SMR-0005

Section 2

Dual Zone

Characteristics

2010 - Viking Preferred Service

SMR-0005

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