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SERVICE MANUAL INTRODUCTION

This service manual helps with troubleshooting and diagnosing

malfunctions, completion of repairs, and return of the product to

proper operating condition. Read the complete instructions

contained within before initiating any repairs.
This guide is intended for use by Factory Certified Service. Wolf

Appliance, Inc. recommends that only Factory Certified Service

companies do repairs.
Warning and Caution product safety labels appear throughout

this manual. Product safety labels appear at the beginning of

some sections. Follow the instructions in the product safety

labels to avoid personal injury and/or product damage. The

sample safety labels explain the types of notices that appear in

this manual.

  WARNING

States a hazard that may cause serious injury or

death if precautions are not followed.

  CAUTION

Indicates minor injury or product damage may occur

if precautions are not followed.

IMPORTANT NOTE: Highlights especially important information.
TIP: Indicates additional, useful information.
Information and images contained herein are copyright of Wolf

Appliance, 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 consent of Wolf Appliance, Inc.

©

 Wolf Appliance, Inc., all rights reserved.

WOLF PRODUCT RATING PLATE INFORMATION

On Ceiling-Mounted Hoods, the rating plate is found behind the
rightmost filter. Open the center panel, and remove the filter.

Product 

Rating 

Plate

Important information for each product is listed on the product
rating plate. Rating plates identify:

Model

Serial number

Electrical information

MODEL DESCRIPTIONS AND SALES ACCESSORIES

For more details on individual model descriptions and a listing
of all compatible sales accessories, see the 

Wolf Product and

Sales Accessory Reference Guide

.

V SERIES VENTILATION MODEL KEY

Model Character

Description

ICB

International Designation

V

V Series Ventilation

C

Model Type Ceiling

I

Model Type Island

U

Model Type Under-Cabinet

W

Model Type Wall

24, 30, 36 or 48

Width (in inches)

B

Exterior: Black

G

Exterior: Glass

S

Exterior: Stainless Steel

W

Exterior: White Glass

PRODUCT USE AND CARE AND INSTALLATION GUIDES

Product use and care guides, installation guides, and other
product specifications are available in the 

Product

Specifications and Manuals Library

.

Ceiling-Mounted Hood

General Information

GENERAL INFORMATION 

service.subzero.com

828149 REV. A     

1

 

Summary of Contents for VC48W

Page 1: ... nor any information or images contained herein may be copied or used in whole or in part without the express written consent of Wolf Appliance Inc Wolf Appliance Inc all rights reserved WOLF PRODUCT RATING PLATE INFORMATION On Ceiling Mounted Hoods the rating plate is found behind the rightmost filter Open the center panel and remove the filter Product Rating Plate Important information for each ...

Page 2: ...m ClaimsAndOrderProcessing Pages WarrantyInfo Warranties start on the day of product installation Search for warranty and service information by serial number customer last name and address using Unit History at http service subzero com Tools UnitHistory Ceiling Mounted Hood General Information Unit Warranty continued service subzero com 828149 REV A 2 ...

Page 3: ...hood flashes twice to indicate that the remote control infrared sensor is on TIP If the remote control infrared sensor is on pressing and holding on the hood control panel for five seconds turns off the sensor FILTER REMOVAL Remove the Filter 1 Push the plastic tab on the front end of the filter toward the rear of the hood and pull down 2 Pull the filter forward and remove it from the unit FILTER ...

Page 4: ...ver the hinges 2 Use a Phillips screwdriver to install the inner panel hinge screws INNER PANEL HINGE REMOVAL To remove the inner panel hinge first remove the inner panel assembly Uninstall the Unit 1 Turn off the power to the unit 2 Remove the unit from the installation TIP Removing the internal blower first may make uninstalling the unit easier Remove the Inner Panel Assembly 1 Pull on the magne...

Page 5: ... INNER SIDE PANEL INSTALLATION WHITE GLASS Install the Inner Side Panel 1 Place the inner side panel flat against the frame so that the tabs align with the slots in the frame 2 Rotate the inner side panel upward into position TIP It may be necessary to close the inner panel to allow enough clearance for the inner side panel to rotate 3 Use a Phillips screwdriver to install the inner side panel scr...

Page 6: ...e LED Light Assembly 1 Use a flat blade screwdriver to pull the LED light assembly away from the stainless steel panel 2 Pull the LED light assembly s wire harness far enough through the hole to access the connector 3 Disconnect the wire harness from the LED light assembly 4 Remove the LED light assembly from the unit 5 Use a Phillips screwdriver to remove the diffuser sleeve from the LED light LE...

Page 7: ...ewdriver to remove the screws around the outside of the outer panel 2 Lift the outer panel from the unit Remove the LED Light Assembly White Glass 1 Use a Phillips screwdriver to remove the LED light bracket screws 2 Remove the LED light assembly from the LED light bracket 3 Pull the LED light wire harness far enough through the hole to access the connector 4 Disconnect the LED light wire harness ...

Page 8: ...river to remove the wire cover on the rear of the control assembly 3 Disconnect the wire harness from the control assembly 4 Remove the control assembly from the unit CONTROL ASSEMBLY INSTALLATION Install the Control Assembly 1 Connect the wire harness to the control assembly 2 Install the wire cover over the rear of the control assembly 3 Place the control assembly into the unit so that the butto...

Page 9: ... 2 Use a Phillips screwdriver to install the four screws holding the power board and transformer case together 3 Use a Phillips screwdriver to install the two screws holding the power board and transformer case to the unit 4 Connect the wire harness and close the wire harness cover Install the Filter 1 Set the filter in the filter opening back of the filter first 2 Push the plastic tab on the fron...

Page 10: ... the power board and transformer case 3 Connect the wire harnesses and wire connectors to the transformer Install the Power Board and Transformer Case 1 Connect the wire harnesses to the power board 2 Use a Phillips screwdriver to install the four screws holding the power board and transformer case together 3 Use a Phillips screwdriver to install the two screws holding the power board and transfor...

Page 11: ... from the power board and transformer case POWER BOARD INSTALLATION Install the Power Board 1 Insert the power board into the power board and transformer case 2 Use a Phillips screwdriver to install the screws that hold the power board to the power board and transformer case Install the Power Board and Transformer Case 1 Connect the wire harnesses to the power board 2 Use a Phillips screwdriver to...

Page 12: ...unit WIRE HARNESS INSTALLATION Install the Wire Harness 1 Insert the wire harness into the wire clips around the perimeter of the inner panel 2 Connect the wire harness to the wiring box 3 Install the cover over the wiring box 4 Connect the wire harnesses to the power board 5 Use a Phillips screwdriver to install the four screws holding the power board and transformer case together 6 Connect the w...

Page 13: ...stall the Damper 1 Place the damper on the blower discharge 2 Secure the damper with duct sealing tape INTERNAL BLOWER REMOVAL To remove the internal blower first remove the filters Remove the Internal Blower 1 Use a Phillips screwdriver to remove the screws at the bottom of the mounting plate 2 Lower the internal blower from the hood 3 Disconnect the internal blower wire harness from the internal...

Page 14: ...contact an electrician to bring the circuit into specification Breaker is open Close the breaker No GFCI circuit If necessary contact an electrician to bring the circuit into specification Check the voltage at the wiring box L1 to ground 115 VAC N to ground 0 VAC L1 to N 115 VAC Refer to Test the Line Voltage at the Wiring Box on page 17 Check the voltage at the three pin connector in the wiring b...

Page 15: ...ector or wires Symptom Diagnostic Test Resolution L1 to N 115 VAC Check the voltage at the three pin connector in the network filter box Pin 1 to pin 2 115 VAC Pin 2 to pin 3 0 VAC Pin 1 to pin 3 115 VAC Replace or repair the electrical connector or wires Check the voltage at the power board Pin 1 to pin 2 115 VAC Replace or repair the connector from the network filter box to the power board Check...

Page 16: ... on the inlet and outlet For external blowers remove the inlet ducting Note Restrictions in the ducting can prevent an audible speed change If there is no noticeable speed change refer to Blower motor runs but not at all four speeds If there is a speed change review the ducting again for restrictions Filters are dirty Remove the filters to test for unobstructed airflow then clean the filters Insuf...

Page 17: ...n connector by back pinning pin 1 and pin 2 The voltage should be 110 127 VAC 4 If the voltage at the electronic transformer is not correct replace the electronic transformer wire harness TEST LINE VOLTAGE TO THE TRANSFORMER ON THE POWER BOARD On the power board LUX1 is the voltage to the transformer 1 Disconnect LUX1 from the power board 2 Measure the voltage between the pins on the board The vol...

Page 18: ...ower connected and power applied measure the voltage between pins 5 and 7 on the hood side of the connector TEST THE INTERNAL BLOWER FOR AN OPEN OR SHORT 1 Disconnect the internal blower motor wires from the terminal block 2 Measure the resistance from wire to wire These readings should match the blower If not disconnect the wiring from the blower and measure the resistance at the blower If it is ...

Page 19: ...VC36 48 S W TECHNICAL DATA VC36 48 S W TECHNICAL DATA Parameter Value AC power 220 240 VAC 50 60 Hz 6 W Ceiling Mounted Hood Technical Data TECHNICAL DATA service subzero com 828149 REV A 19 ...

Page 20: ... blower wiring box If a power cable is included with the external blower it does not need to be used A triac on the power board controls the blower speed 115 VAC enters the electronic transformer through the wire harness The electronic transformer supplies 12 VDC to the LEDs through the LED wire harness A three pin harness on the electronic transformer s secondary side sends 12 VDC back to the pow...

Page 21: ...VC36 48 W S WIRING DIAGRAM Ceiling Mounted Hood Wiring Diagrams VC36 48 W S Wiring Diagram continued service subzero com 828149 REV A 21 ...

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