Subzero WOLF WWD30 Manual de usuario

General Information 2

Installation Information 5

Controls & Operation 12

Component Access & Removal 24

Troubleshooting Guide 34

Wiring Diagrams 40

subzero.com 800.222.7820

WWD30

Service Manual

Page 2

Warming Drawer WWD30-2

General Information

1-2

#814750 - Revision A - January, 2011

This manual is designed to be used by Authorized Service Personnel only. Wolf Appliance, Inc. assumes

no responsibility for any repairs made to Wolf appliances by anyone other than Authorized Service

Technicians.

TECHNICAL ASSISTANCE

If you should have any questions regarding a Wolf

appliance and/or this manual, please contact:

Wolf Appliance, Inc.

ATTN: Service Department

P.O. Box 44988

Madison, WI 53744-4988

Customer Service & Parts / Warranty Claims

Phone #: (800) 332 - 9513

Technical Assistance

Phone #: (800) 919 - 8324

Customer Service & Technical Assistance

Facsimile #: (608) 441 - 5887

Parts / Warranty Claims

Facsimile #: (608) 441 - 5886

Service Department e-mail Address

[email protected]

Office Hours:

7:00 AM to 7:00 PM Central Time

Monday through Friday

IMPORTANT SAFETY INFORMATION

Below are Product Safety Labels used in this manual.

The "Signal Words" used are WARNING and

CAUTION.

Please note that these safety labels are placed in areas

where awareness of personal safety and product safety

should be taken.

INTRODUCTION

This Wolf Warming Drawer Technical Service Manual has been compiled to provide the most recent technical serv-

ice information about the Wolf Warming Drawer including parts list and exploded views. This information will enable

service technician’s to troubleshoot and diagnose malfunctions, perform necessary repairs and return a Wolf

Warming Drawer to proper operational condition.

The Service Technician should read the complete instructions contained in this technical service manual before initi-

ating any repairs on a Wolf Appliance.

INDICATES THAT HAZARDOUS OR UNSAFE PRAC-

TICES COULD RESULT IN SEVERE PERSONAL

INJURY OR DEATH

Indicates that hazardous or unsafe practices could

result in minor personal injury or product and/or

property damage

In addition, please pay attention to the signal word

“NOTE”, which highlights especially important informa-

tion within each section.

The information and images are the copyright property of Wolf Appliance, Inc., an affiliate of Sub-Zero, Inc. Neither

this manual nor any information or images contained herein may be copied or used in whole or in part without the

express written permission of Wolf Appliance, Inc., an affiliate of Sub-Zero, Inc. © Wolf Appliance, Inc.

Page 3

General Information

Warming Drawer WWD30-2

1-3 #814750 - Revision A - January, 2011

Section 4 - Component Access and Removal .................4-1

Component Access and Removal ......................................4-2

Warnings & Cautions ......................................................4-2

Section 4 - Component Access and Removal (Continued)

Stainless Steel Drawer Box ............................................4-3

Drawer Removal ..............................................................4-3

Drawer Slide Removal ....................................................4-4

Drawer Front Panel Removal ..........................................4-4

Drawer Mounting Panel Removal....................................4-4

Control Cable Removal ..................................................4-5

Control Panel Removal....................................................4-5

Thermistor Removal ........................................................4-5

Drawer Switch Removal ..................................................4-6

Drawer Frame Removal ..................................................4-6

Fan Assembly Removal ..................................................4-7

Power Board Removal ....................................................4-7

Thermal Cut-Out Removal ..............................................4-8

Front Gasket Removal ....................................................4-9

Heating Element Removal ............................................4-10

Power Cord Removal ....................................................4-11

Section 5 - Troubleshooting Guide................................ 5-1

Troubleshooting Guides Introduction ..................................5-2

How to Use General Troubleshooting Guide ......................5-2

General Troubleshooting Guide Table of Contents ............5-2

Warnings and Cautions ..................................................5-2

Error Codes Troubleshooting Guide ..................................5-3

Field Service Mode ............................................................5-4

Initiating Diagnostic Mode ..............................................5-4

General Troubleshooting Guide ......................................5-5

Unit Does Not Function at All ..........................................5-5

No Heat at Any or All Settings ........................................5-5

No Heat at PROOF Setting Only ....................................5-5

Excessive Heat at Any or All Settings ............................5-5

Excessive Condensation in Drawer ................................5-5

Food Dries Out ................................................................5-6

One or More LED Does not Illuminate ............................5-6

LED Display is Black ......................................................5-6

One or More LED Illuminated Consistently ....................5-6

Drawer Does Not Slide Smoothly....................................5-6

Drawer Does Not “Pull In” ..............................................5-6

Section 6 - Technical Data.............................................. 6-1

Temperature Information................................................... 6-2

Heating Element Information............................................. 6-2

Thermal Cut-Out Information............................................. 6-2

Thermistor Testing Information........................................... 6-2

Power Board Identification................................................. 6-2

Section 7 - Wiring Diagram ............................................. 7-1

Wiring Diagram (Domestic) ................................................7-2

TABLE OF CONTENTS

Page #

Section 1 - General Information ........................................1-1

Introduction...........................................................................1-2

Important Safety Information.................................................1-2

Technical Assistance.............................................................1-2

Table of Contents..................................................................1-3

Warranty Information.............................................................1-4

Serial Tag Location and Layout..........................................1-4

Model Features.....................................................................1-5

Keypad Layout...................................................................1-5

Section 2 - Installation Information ...................................2-1

Installation Information..........................................................2-2

Electrical Requirements........................................................2-2

Cabinet Supports..................................................................2-3

Installation Specifications......................................................2-3

Undercounter Installation......................................................2-3

WWD30 Installation with Built-In Oven.................................2-3

Section 3 - Electronic Control Information ......................3-1

Component Location ..........................................................3-2

Electronic Control System Diagram....................................3-2

Keyboard Panel Layout ......................................................3-2

Description Overview ..........................................................3-3

Element............................................................................3-3

Fan ..................................................................................3-3

Drawer Input ....................................................................3-3

User Display ....................................................................3-3

Power Key ......................................................................3-3

Temp Up/Down key ........................................................3-3

Timer Key ........................................................................3-3

System Modes ....................................................................3-4

Power Up ........................................................................3-4

On Modes ........................................................................3-4

Normal Warming Mode....................................................3-4

Preset Mode ....................................................................3-5

Temperature Maintenance ..............................................3-6

End of Warming Time......................................................3-7

Off Modes ........................................................................3-7

Timer Mode......................................................................3-7

Sabbath Mode ................................................................3-8

Showroom Mode..............................................................3-8

User Preference Setup ......................................................3-9

User Preference Offsets ..................................................3-9

Temperature Display Preference ....................................3-9

Display Contrast Change ................................................3-9

LED Back Lighting Change ..........................................3-10

Field Service Mode ..........................................................3-11

Initiating Diagnostics Mode ............................................3-11

Field Service Mode Keystrokes ....................................3-12

Error Code Troubleshooting Guide ................................3-12

Field Service Mode Functional Test Keystrokes ..........3-13

Mode/Function Unique Keystrokes................................3-13

Page #

Page 4

Warming Drawer WWD30-2

General Information

1-4

#814750 - Revision A - January, 2011

WARRANTY INFORMATION

This page contains a copy of the One (1) Year Outdoor Warranty supplied with every Wolf unit designed for outdoor

use. On the following page is the serial number information, which is needed for warranty purposes.

WARRANTY INFORMATION

This page contains a summary of the 2 & 5 Year

Warranty that is supplied with most Wolf products

designed for indoor use, the Full One Year Warranty

for Wolf outdoor products, followed by a Non

Residential Warranty summary, then notes about the

warranties.

TWO & FIVE YEAR Warranty Summary

• Two year TOTAL PRODUCT warranty, parts and

labor.

• Limited Parts Only Warranty for the 3rd through 5th

year on the following parts: heating element, elec-

tronic control system.

NOTE: This warranty only applies to products

properly installed for normal residential use in the

United States or Canada.

OUTDOOR PRODUCTS LIMITED WARRANTY

• Full One Year Product Warranty:

This warranty covers the cost of all parts and labor

to repair or replace any part of the product that

proves to be defective in materials or workmanship during the first year.

• Limited LIfetime Warranty:

Wolf Appliance will repair or replace any outdoor gas grill body or hood that rusts through due to defective materi-

al or workmanship. Labor to remove and replace defective parts is not covered.

NON RESIDENTIAL Warranty Summary

• Two year TOTAL PRODUCT warranty, parts and labor.

NOTE: This warranty only applies to products installed in test kitchens, culinary and school kitchens, and other

installations which help promote Wolf Appliance products. Restaurant installations and other similar commercial

applications carry no warranty.

Warranty Notes:

•All warranties begin at the time of the unit's initial installation.

•All Warranty and Service information collected by Wolf Appliance Inc. is arranged and stored under the unit serial

number and/or the customer's name. It is requested to have the model and serial number available whenever

contacting the factory or parts distributor.

• See Figure 1-1 serial tag location and Figure 1-2 serial tag layout.

• All warranty repairs must be performed by a Wolf authorized service center, unless otherwise specified by Wolf

Appliance.

• “ICB: warranties vary by Country and Distributor. Contact selling Distributor for warranty coverage.

Wolf Appliance Company, INC.

VOLTS :

Hz :

MODEL# : WWD30

WOLF WARMING DRAWER

FOR HOUSEHOLD USE ONLY

120

50/60

"DO NOT IMMERSE IN WATER" "NE PAS PLONGE DANS L'EAU"

Fitchburg, WI

SERIAL# :

WATTS:

OUTDOOR APPROVED

Figure 1-1. Serial tag location

Figure 1-2. Serial tag

Serial Tag is below drawer

on floor of appliance, visi-

ble with drawer fully open

Page 5

General Information

Warming Drawer WWD30-2

1-5 #814750 - Revision A - January, 2011

POWER

ON/OFF

TEMP

HIGH

MED

PRESETS

LOW

TIMER

PROOF

Warming Drawer Model Features

Figure 1-3. Keypad Layout

Rack for stacking food

Removable Stainless

Steel Drawer

Stainless Steel Drawer Front

(Classic, Carbon and Platinum

Finishes Available)

Hidden Touch Control Panel

(See Figure 1-3)

Stainless Steel Interior

Galvanized Metal Exterior

LCD Display Power On/Off

Temperature Control Presets

Timer

(Can be used as Kitchen Timer)

Outdoor Model WWD30O is specifically designed and safe for outdoor applications and can also be installed

indoors.

Page 6

Warming Drawer WWD30-2

Installation Information

2-2

#814750 - Revision A - January, 2011

INSTALLATION INFORMATION

The Wolf Warming Drawer is designed to be set into a built-in wall or cabinet installation.

This section of the manual covers some of the installation issues that a service technician may need to know when

servicing a Wolf warming drawer. If additional installation information is needed after reviewing this section of the

manual, please refer to the installation guide or contact Wolf Appliance, Inc. Customer Service Department at (800)

332-9513.

Electrical Requirements:

NOTE:All National Electrical Code regulations must be followed. In addition, be aware of local codes and ordi-

nances when installing your service.

• Dedicated 110 to 120 Volts AC, 60Hz, 15 or 20 ampere fused electrical supply

• Separate electrical circuit serving only this appliance

• A properly grounded 3-prong receptacle

Outdoor applications require that the unit be connected to a properly grounded GFCI circuit.

Line

Voltage

(Power)

Neutral

Ground

TO AVOID SHOCK HAZARD, THE INSTALLATION SITE MUST BE EQUIPPED WITH A PROPERLY GROUNDED

3-SLOT RECEPTACLE TO MATCH THE 3-PRONG (GROUNDED) POWER SUPPLY CORD PROVIDED ON THE

APPLIANCE.

TO AVOID SHOCK HAZARD, NEVER REMOVE THE GROUND PRONG FROM THE PLUG OF THE POWER

SUPPLY CORD.

Figure 2-1. Electrical Receptacle

NOTE:

This appliance must be installed in accordance with National Electrical Codes, as well as all state, munici-

pal and local codes. The correct voltage, frequency and amperage must be supplied to the appliance from a dedi-

cated, grounded circuit which is protected by a properly sized circuit breaker or time delay fuse. The proper voltage,

frequency, and amperage ratings are listed on the product rating plate.

Page 7

Installation Information

Warming Drawer WWD30-2

2-3 #814750 - Revision A - January, 2011

Cabinet Supports:

NOTE:

When the warming drawer is installed with a built-in oven, additional clearance between openings may be

required. Check that oven supports do not obstruct the interior dimensions required for the warming drawer.

NOTE:Dimensions in parentheses are in millimeters unless otherwise specified.

The warming drawer may be supported by either a solid 7/8” (22) platform or 2" (51) x 2" (51) or 2" (51) x 4" (102)

runners. The platform or runners must be level, rigidly mounted and flush with the bottom edge of the opening.

They must be able to support 200 lbs. (90.7 kg).

NOTE:

Make sure that the platform or runners are level. There is no way to level the warming drawer once it has

been installed.

Warming Drawer Installation:

Install a 2" (51) x 2" (51) or 2" (51) x 4" (102) anti-tip block

against the rear cabinet wall.

Turn power off to the electrical outlet.

Slide the left corner of the warming drawer into the open-

ing.

NOTE:A 6 foot power cord is supplied with the unit.

Depending on the outlet location, the unit can be set in

front of opening and plugged in.

If the electrical outlet is installed inside the opening, plug

the power cord into the outlet. The excess cord should be

coiled and secured directly behind warming drawer. If the

outlet is located in an adjacent cabinet, thread the power

cord through the hole in the cabinet wall. Push the drawer

back into the opening until the front flange is flush with

the cabinet front. Make sure the power cord does not get

trapped under the warming drawer.

Open the warming drawer to its full extension. Then, drill pilot holes in each corner of the warming drawer through

holes in the side frame and install the wood screws provided with the unit. (See Figure 2-2)

Figure 2-2. Drilled Pilot Holes for Securing Unit

Pilot Holes

MODEL WWD30

with Stainless Steel Drawer & Integrated Front

Overall Width 29 7/8" (759)

Overall Height 10 3/8" (264)

Overall Depth 26 1/4” (689)

Overall Depth (behind frame) 22 3/4" (578)

Minimum Cabinet Width 30" (762)

Minimum Cabinet Depth 24" (610)

Minimum Base Support 200 lbs (91 kg)

Opening Width 28 5/8" (727)

Opening Height 9 1/8" (232)

Opening Depth 23 7/8” (606)

Dimensions may vary to +

–1/8" (3).

Allow 3/8” (11) Additional depth for cord thickness

(578)

(229)

(264)

(759)

26 1/4” (667)

OVERALL DEPTH

OVERALL WIDTH BEHIND FRAME

Figure 2-4. Overall Cabinet Dimensions

Installation Specifications:

The following pages provide the overall dimensions, finished rough

opening dimensions and electrical placement for the Wolf warming

drawer with stainless steel drawer front. For information on integrat-

ed Drawer Fronts, see the installation instructions provided with the

product.

Wolf recommends using a 33" (838) wide cabinet for the warming

drawer with stainless steel drawer front. A minimum 30" (762) wide

by 24" (610) deep cabinet is required with a minimum base support

of 200 lbs (91 kg). (See Figure 2-3 and 2-5)

Figure 2-3. Overall Unit Dimensions

Anti-Tip Block

Page 8

Warming Drawer WWD30-2

Installation Information

2-4

#814750 - Revision A - January, 2011

Undercounter Installation:

For undercounter installations, 23 1/2"

(597) from the bottom of the warming

drawer opening to the floor is recom-

mended. Electrical can be installed

anywhere except location shown. A

minimum of 5" (127) above the floor

or 1" (25) above the toe kick.

The Wolf warming drawer with stain-

less steel drawer front may be

installed below an electric or gas

cooktop, provided the warming drawer

is fully enclosed, top and bottom.

Refer to installation instructions for

the cooktop for additional specifica-

tions. Dimensions will vary according

to the specific installation.

(See Figure 2-5)

Warming Drawer Installation with Built-In Oven and/or Microwave:

The warming drawer may be installed in combination with a Wolf built-in oven and/or microwave, provided the

warming drawer is fully enclosed, top and bottom. See Figure 2.6

NOTE: Dimensions will vary according

to the specific installation.

The Wolf warming drawer is designed

and agency approved for installation

with Wolf built-in ovens and/or

microwaves. See the label attached to

the top of the warming drawer for

approved models.

The warming drawer platform must be

able to support 200 lbs. (91 kg). It must

be a minimum of 1" (25) above the toe

kick to allow for the overlap of the warm-

ing drawer trim.

NOTE:

Additional clearance between

warming drawer and oven openings may

be required. Check that oven supports

do not obstruct the interior dimensions

required for the warming drawer.

When the warming drawer is installed

below a built-in oven, a minimum of

2 3/8" (60) between warming drawer

and oven openings is required for clear-

ance of overlaps. When installed above

a built-in oven, a minimum of 7/8" (22) is required.

NOTE:

When the warming drawer is installed above a built-in oven, a 7/8" (22) platform is required to allow for

clearance of overlaps.

24"

(610) min

OPENING DEPTH

*P latform mus t s upport 250 lbs

(113 kg)

NO TE : L ocation of electrical s upply within oven opening ma y require additiona l cabinet depth.

FRONT VIEWSIDE VIEW

(727)

WARMING DRAWER

OPENING WIDTH

(724)

OVEN OPENING WIDTH

MICROWAVE

OPENING

(691)

(38) min

E SERIES

(25) min

L SERIES

(232) 3

(19)

min

PLATFORM*

(127)

(102 )

ANTI-TIP BLOCK

DIMENSION

WILL VARY*

*Dimens ion mus t accommodate height of anti-tip block and drawer face overlap.

NOT E : Location of electrical supply within opening may require additional cabinet depth. Dashed line repres ents profile of unit.

FRONT VIEWSIDE VIEW

24"

(610) min

CABINET DEPTH

(727)

OPENING WIDTH

PLATFORM

(232)

OPENING HEIGHT

(264)

(597)

TYPICAL

36"

(914)

FLOOR TO

COUNTERTOP

Figure 2-5. Undercounter Installation

Figure 2-6. Installation with Built-In Wall Oven and/or Microwave

Page 9

Installation Information

Warming Drawer WWD30-2

2-5 #814750 - Revision A - January, 2011

Recessed or Flush Inset Installation

In addition to the standard installation the warming drawer with E series drawer front can be installed in a recessed

or flush inset application. A recessed installation requires the cabinetry be recessed by 3/16" (5) so the collar is flush

with the cabinet face frame but the drawer front will sit proud. A flush inset installation requires the drawer collar and

front panel be recessed to be flush with surrounding cabinetry. Refer to illustrations on the following pages for mini-

mum cabinet dimensions for your specific installation.

Install Recessed Cleats and Platform

For a recessed or flush inset application, you will need to

install a recessed platform and cleats into the opening.

Proper recess of the platform and cleats is critical to the

function and esthetics of the warming drawer installation.

The depth of the platform may increase with the cabinet

depth. Be sure to rigidly mount the platform so that it

can support a minimum of 200 lbs (91 kg). (See Figure 2-7)

Mounting holes will need to be drilled in the back of the

drawer front panel. Holes should be drilled on site to

ensure proper fit and gaps are achieved. A drilling

template is provide with the integrated drawer front.

NOTE:

Be sure to finish the inside lip of the opening and the front face of the platform and cleats. These areas

may be visible when the drawer is open.

NOTE:

Be aware of the location of the mounting holes on the warming drawer frame to make sure screws used to

attach the cleats do not interfere with screw holes for mounting the warming drawer.

Flush Inset Installation Under Counter

PLATFORM

TOP CLEAT

SIDE CLEAT

CABINETRY

OPENING

CLEATS AND PLATFORM

RECESSED

(5)

R ec es s ed applic ation. F lus h ins et applic ation.

PLATFORM

TOP CLEAT

SIDE CLEAT

CABINETRY

OPENING

CLEATS AND PLATFORM

RECESSED

(5)

PLUS THICKNESS

OF DECORATIVE PANEL

Figure 2-7. Install Platform and Cleats

DIMENSION

WILL VARY*

(597)

TYPICAL

*Dimension must accommodate height of anti-tip block and drawer face overlap.

NOTE : Dimensions provided allow for

" (6) reveal for proper air flow. Location of electrical supply within opening may require additional

cabinet depth. Dashed line repres ents profile of unit.

FRONT VIEWSIDE VIEW

24"

(610) min

CABINET DEPTH

(772)

FLUSH INSET WIDTH

(727)

OPENING WIDTH

(22)

PLATFORM

(22)

TOP AND SIDE CLEATS

36"

(914)

FLOOR TO

COUNTERTOP

(276)

FLUSH INSET

HEIGHT

(232)

OPENING HEIGHT

SIDE CLEATS

(610) min

FLUSH INSET

DEPTH

(25)

TOP VIEW

ANTI-TIP BLOCK

Page 10

Warming Drawer WWD30-2

Installation Information

2-6

#814750 - Revision A - January, 2011

Flush Inset Tower Installation

25"

(635) min

CABINET DEPTH

(772) min

FLUSH INSET WIDTH

SIDE CLEATS

(629) min

FLUSH

INSET

DEPTH

(25)

Platform mustsupport 250 lbs

(113 kg).

NOTE : Location of electrical s upply within oven opening may require additional cabinet depth. Dashed line repres ents profile of unit.

FRONT VIEWSIDE VIEW

TOP VIEW

(270)

FLUSH INSET

HEIGHT

(232)

OPENING HEIGHT

(25)

PLATFORM

(727)

WARMING DRAWER

OPENING WIDTH

17"

(432)

OPENING

HEIGHT

(470)

FLUSH INSET

HEIGHT

(699)

STANDARD MICROWAVE

OPENING WIDTH

(724)

E SERIES OVEN

OPENING WIDTH

(17)

TOP CLEAT

(14)

PLATFORM*

(25)

SIDE CLEATS

(127)

(102)

(691)

OPENING

HEIGHT

(714) min

FLUSH INSET

HEIGHT

(43)

PLATFORM

INSTALLATION WITH STANDARD MICROWAVE AND E SERIES OVEN

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