Viking Professional VEWD173 User manual

SMC-0016
April 2010
VEWD173
VEWD103
VEWD163
DEWD102
DFWD171
DFWD101
This Base Manual covers general and
specific information including, but not
limited to the following models:
Service
Manual
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.

Safety Information
2
SAVE THESE INSTRUCTIONS
REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE SERVICE MANUAL AND TECHNICAL SHEETS
BEFORE BEGINNING REPAIRS.
Pride and workmanship go into every product to provide our customers with quality appliances. It is possible,
however, that during the lifetime of a product service maybe require. Products should be serviced only by a qualified
authorized service technician who is familiar with the safety procedures required to perform the repair and is equipped
with the proper tools, parts, testing instruments, and the appropriate service manual.
Safety Information
We have provided many important safety messages
throughout this manual and on the product. Always
read and obey all safety statements. To properly
identify a safety statements look for the following
safety alert symbol.
This symbol alerts personnel to hazards that can
many different types of altering messages. All safety
messages will be preceded by a safety alert symbol
and the word “DANGER”, “WARNING” or
“CAUTION”.
DANGER
Immediate hazards which WILL result in severe
personal injury or death.
WARNING
Hazards or unsafe practices which COULD result
in severe personal injury or death.
CAUTION
Hazards or unsafe practices which COULD result
in minor personal injury, product or property
damage.
All safety messages will identify the hazard, tell you
how to reduce the chance of injury, and inform you
what can happen if the instructions are not followed.
WARNING
To avoid risk of serious injury or death, repairs
should not be attempted by unauthorized
personnel.
CAUTION
VIKING will not be responsible for any injury or
property damage from improper service
procedures. If performing service on your own
product, you must assume responsibility for any
personal injury or property damage which may
result.

Table of Contents
Description Page
GENERAL INFORMATION
Safety Information………………...................... 2
Table of Contents………………..................... 3
DISASSEMBLY
Control Location and access ….…………........ 4
Terminal Block and Control access …….…..... 5
Drawer removal ….......…………………….….. 6
Thermostat and heating element location.....….. 7
Model and Serial location…………………………7
Element and Thermostat removal……………….. 8
ELECTRICAL
Wiring Diagram……………………………………. 9
PARTS BREAKDOWNS
Control Area .................................................... 10
Drawer Area .................................................... 11
Lower Unit Area .............................................. 12
Exterior Area ................................................... 13
Door Area ....................................................... 14
3

DISASSEMBLY
4
VEWD / DEWD / DFWD –Warming Drawer
The 30"Built-In warming drawer is shown below (FIG 1) with the front door assembly removed. When the
drawer is extended out you will have access to the temperature control (FIG 2 inset)
The temperature range of the warming drawer is between 90°F(Min) to 250"F(Max) The
temperature is control by the thermostat. In order to gain access to the thermostat and power
connections, removed the unit from the cabinet to expose the right side access panel. FIG 3
shows the cover installed (Outlined with dotted red line)
Remove the 3 Phillips Head screws to access the main terminal block. In FIG 3 we see the
opening in the rear of the warming drawer for the Romex power supply line (Supplied by
electrician).
FIG 1
FIG 3
FIG 4
FIG 2
Romex cable
inlet

DISASSEMBLY
5
With the side panel removed, access to the main terminal block is possible. FIG 5 shows the main
terminal block. The Romex cable is feed through the cable hold down clamp (Circled), and then
the power connections are made at the terminal block.
FIG 6 shows the Component compartment where the thermostat control is housed. The Capillary
tube of the thermostat is routed through the side wall to the sensor. In this same location is where
the heating element connections are located. One side is wired directly to Neutral. The other to
the Thermostat. The indicator lamp is directly above the thermostat (Not shown)
FIG 5
Line Ground Neutral
Heating
Element
connections
Thermostat
bulb
FIG 6
Thermostat
connections

DISASSEMBLY
6
To gain access to the heating element and thermostat sensor bulb, it will be necessary to remove
the draw assembly. With drawer fully extended, release the draw by lifting up on the locking tabs
(one on each side) FIG 7shows the location of the locking tabs.
FIG 8 shows the draw being lifted away from the drawer tracks. Remove and place on a protected surface.
Lift up on
each side
FIG 7
FIG 8

DISASSEMBLY
7
With the drawer removed we now have access to the thermostat bulb and heating element. FIG 9 shows the
location of the Model and Serial number location, thermostat senor bulb and the left and right rear door catch
assemblies (Circled in red).
Fig 10 shows a close-up of the thermostat cap tube routed through the hold down clamp and the senor bulb in
its mounting bracket.
Model / Serial
information
Thermostat
bulb
Model –Serial
location
Door Catch Door Catch
Draw track -
LT Draw track -
RT
FIG 9
Thermostat
bulb
Thermostat bulb
mounting bracket
FIG 10
Capillary tube hold
down clamp

DISASSEMBLY
8
In order to remove and replace the heating element, you will need to remove (10) Phillips head screws. Each
hold down bracket shown in FIG 11 (Circled in Red) is held in place with (2) screws each.
FIG 12 shows the right side entrance where the thermostat and heating element enter the
chamber of the warming drawer. Remove the (2) screws shown to pull the heating element from the unit.
FIG 11
FIG 12

WIRING DIAGRAM
9
Heating Element
Volts: 120
Amps: 4
Watts: 475
Ohms: 30.3
Thermostat
90°-250°Fahrenheit
Supply Volt
age
120
WIRING DIAGRAM -VEWD / DEWD / DFWD

PARTS BREAKDOWN
10
ITEM PART NUMBER PART DESCRIPTION QTY
1PE070147 TERMINAL BLOCK (VDSC) 1
2NON SERVICEABLE 10 X 1 PH. HD. PAN HD. SMS 4
3NON SERVICEABLE 10 X 1/2 PAN PH. TEK ZINC 4
4NON SERVICEABLE POWER CORD MOUNTING BRKT (VDSC) 1
5A1002457 POWER CORD MOUNTING STRAP (VDSC) 1
6NON SERVICEABLE DISGN WD TSTAT SPACER (DEWD170/100) 1
7NON SERVICEABLE 6-32 X 3/8" PHILL PAN MS 1
8PB010167 THERMOSTAT - (VEWD) 1
9021270-000 DEWD102 CONTROL PANEL 1
10 017211-000 INDICATOR LIGHT XL SNAP IN CLEAR LIGHT 1
11 020766-000 DESIGNER WD KNOB 1
Control Area
VEWD / DEWD / DFWD

PARTS BREAKDOWN
11
ITEM PART NUMBER PART DESCRIPTION QTY
1NON SERVICEABLE 30" I/S TOP PANEL VEWD103 1
2NON SERVICEABLE DRAWER STOP 27" 1
3NON SERVICEABLE 10 X 1/2 PAN PH. TEK ZINC 23
4020945-000 FRONT RACK - 30" (VEWD) 2
5NON SERVICEABLE REAR INSIDE PANEL - 30" (VEWD) 1
6PC020022 WARMING DRAWER SLIDES 1
7NON SERVICEABLE 10 X 3/8 GREEN GROUNDING SCREW 1
8NON SERVICEABLE RH INNER WALL VEWD 1
9NON SERVICEABLE 6-32 HEX NUT 8
10 NON SERVICEABLE 6-32 X 3/8" PHILL PAN MS 8
11 01589-000 WARMING DRAWER 30" ASM 1
12 B20016091 GASKET FRAME (VEWD103) 1
13 NON SERVICEABLE LH INNER WALL VEWD 1
14 PC040019 POP RIVET ( 0.125 GR X 0.156 DIA ) 8
Drawer Area
VEWD / DEWD / DFWD

PARTS BREAKDOWN
12
1NON SERVICEABLE 10 X 1/2 PAN PH. TEK ZINC 45
2PJ010009 ELEMENT - 30" (VEWD) 1
3NON SERVICEABLE WIRE CLAMP 1
4NON SERVICEABLE THERMAL BULB BRKT (VEWD) 1
5021274-000 WD Finger Stopper 1
6NON SERVICEABLE ELEMENT BRACKET (VEWD) 4
7NON SERVICEABLE BRACKET (VEWD) 1
8NON SERVICEABLE BOTTOM INSIDE PANEL - 30" (VEWD) 1
9NON SERVICEABLE 30"" WARMING DRAWER BRKT 1
10 NON SERVICEABLE 30" WARMING DRAWER BOTTOM AL 1
Lower Unit Area
VEWD / DEWD / DFWD

PARTS BREAKDOWN
13
ITEM PART NUMBER PART DESCRIPTION QTY
1015044-000 LH OUTER SIDE PANEL (DEWD102) 1
2NON SERVICEABLE LH INNER WALL VEWD 1
3015890-000 WARMING DRAWER FRAME 1
4NON SERVICEABLE 30" OUTER TOP PANEL VEWD103 1
5NON SERVICEABLE 10 X 1/2 PAN PH. TEK ZINC 13
6PD040005 SNAP BUSHING - 7/8" 1
7021273-000 RH OUTER SIDE PANEL (DEWD102) 1
8A1004135 ACCESS PLATE (VEWD) 1
Exterior Area
VEWD / DEWD / DFWD

PARTS BREAKDOWN
14
ITEM PART NUMBER PART DESCRIPTION QTY
1N/A SEE IPL FOR PART NUMBERS 1
2N/A SEE IPL FOR PART NUMBERS 1
3N/A SEE IPL FOR PART NUMBERS 1
4PE050023 INDICATOR LITE 1
Door Area
VEWD / DEWD / DFWD