Sub-Zero Built-In Series, BI-30UG, BI-30U, BI-36U, BI-36UG Technical & Service Manual
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© SUB-ZERO, INC. 2008 ALL RIGHTS RESERVED JOB AID #7005333 Revision A - January, 2008
Built-In (BI) Series
Built-In (BI) Series
TTeecchhnniiccaall SSeerrvviiccee MMaannuuaall
1-1
Built-In (BI) Series
Built-In (BI) Series
General Information
#7005333 - Revision A - January, 2008
SECTION 1
GENERAL INFORMATION
1-2
General Information
Built-In (BI) Series
Built-In (BI) Series
#7005333 - Revision A - January, 2008
TECHNICAL ASSISTANCE
If you should have any questions regarding the
BI Series and/or this manual, please contact:
Sub-Zero, Inc.
ATTN: Service Department
P.O. Box 44988
Madison, WI 53744 - 4988
Customer Assistance
Phone #: (800) 222 - 7820
Facsimile #: (608) 441 - 5887
Technical Assistance
(For Technicians in Customer’s Homes Only)
Phone #: (800) 919 - 8324
Warranty Claims
Phone #: (800) 222 - 7820
Facsimile #: (608) 441 - 5886
Service Department e-mail Address:
customerservice@subzero.com
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 or CAUTION.
When reviewing this manual, please note these different Product Safety Labels placed at the beginning of
certain sections of this manual. You must follow the
instructions given in the boxes of the Product Safety
Labels in order to avoid personal injury and/or product
damage.
The sample Product Safety Labels below illustrate the
precautions that should be taken when the signal word
is observed.
INTRODUCTION
This Technical Service Manual has been compiled to provide the most recent service information for Built-In Series
appliances. The information in this manual will enable the service technician to diagnose malfunctions, perform necessary repairs, and return a Built-in Series unit to proper operational condition.
The service technician should read the complete instructions contained in this manual before initiating any repairs.
INDICATES THAT HAZARDOUS OR UNSAFE
PRACTICES COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH!
Indicates that hazardous or unsafe practices could
result in minor personal injury, and/or product
damage, and/or property damage!
In addition, please pay attention to the signal word
“NOTE”, which highlights information that is especially
important for the topic being covered.
This manual is designed to be used by Authorized Service Personnel only. Sub-Zero, Inc. assumes no
responsibility for any repairs made on Sub-Zero refrigeration units by anyone other than Authorized
Service Technicians.
The information and images contained in this manual are the copyright property of Sub-Zero, Inc. Neither this man-
ual nor any information or images contained herein may be copied or used in whole or in part without the express
written consent of Sub-Zero, Inc.©, all rights reserved.
Section 1 - General Information 1-1
Introduction / Safety Information / Technical Assistance .. 1-2
Table of Contents .............................................................. 1-3
Warranty Information ........................................................ 1-5
Model Description ............................................................. 1-6
Section 2 - Inst
allation Information 2-1
Installation Considerations ............................................... 2-2
Tools and Materials Required ........................................ 2-2
Site Preparation ............................................................. 2-2
Finished Rough Opening Spec’s
30” & 36” Over / Under .......................................... 2-3
36” All Refrigerator All Freezer ............................... 2-4
36”, 42” & 48” Side-by-Side .................................... 2-5
Anti-Tip Bracket Installation ....................................... 2-6
Standard Installation ............................................... 2-6
Flush Inset Application ........................................... 2-7
Electrical Requirements ................................................. 2-8
Plumbing Requirements ................................................ 2-8
Water Line Connections ............................................... 2-9
Water Filter Bypass Plug ............................................... 2-9
Leveling the Unit .......................................................... 2-10
Door Adjustments ........................................................ 2-10
Height Adjustments .................................................. 2-10
Side to Side, In and Out Adjustments ...................... 2-11
90° Door Stop .............................................................. 2-11
Door and Drawer Panels ............................................. 2-12
Door Handle / Handle-Side Trim Removal ............... 2-12
Drawer Handle / Handle-Side Trim Removal ........... 2-13
Glasswell - Dispenser Assembly .................................. 2-14
Control Panel Removal ............................................ 2-14
Bezel Removal ......................................................... 2-14
Anchoring the Unit ...................................................... 2-15
Section 3 - Electronic Control System Information
3-1
Terminology & Component Descriptions .......................... 3-2
Electronic Control System Overview ................................. 3-3
Control Board Layout & Summary Table ......................... 3-4
Control Panel Layout (UIM) .............................................. 3-5
Basic Electronic Control Input Operations ....................... 3-6
Unit ON/OFF ................................................................ 3-6
Adjusting Set-Point (Temp. Adjustment) ...................... 3-7
Icemaker System ON/OFF ........................................... 3-7
Maximize Ice Production Feature .................................. 3-8
Door Ajar Alarm Feature ON/OFF ................................ 3-8
Air Purification Feature ON/OFF ................................... 3-9
Accent Lighting System ON/OFF .................................. 3-9
Unique Electronic Control Input Operations ................... 3-10
Temperature Units Selection Mode ............................ 3-10
Contrast Adjust Mode (Adjusting LCD Contrast) .......... 3-11
Tone Adjust Mode (Adjusting Audible Chime Tone) ..... 3-12
Showroom Mode ........................................................ 3-13
Sabbath Mode ............................................................ 3-14
Manual Zone Disable Mode ....................................... 3-15
Manual Freezer Evaporator Defrost ........................... 3-16
Door Dispenser Control Input Operations ....................... 3-17
Changing Dispenser Lighting State ............................. 3-17
Dispensing Water ......................................................... 3-17
Dispensing Ice ............................................................. 3-17
Locking the Dispenser ................................................. 3-18
Delayed Dispense Reset Mode ................................... 3-18
Functions of Electronic Control System .......................... 3-19
Supply Power to Lighting System ................................ 3-19
Control Condenser Fan Operation ............................. 3-20
Monitor, Regulate & Display Ref Temperatures ........... 3-21
Additional Regulating of Ref Temperatures:
Variable Speed Evaporator Fans .......................... 3-22
Drawer Fans ..........................................................3-23
Monitor & Control Ref Fan-Assist Off-Cycle Defrost ... 3-24
Minimize Condensation on Refrigerator Door Glass ... 3-25
Monitor, Regulate & Display Fre Temperatures ........... 3-26
Additional Regulating of Fre Temperatures:
Variable Speed Evaporator Fan ........................... 3-27
Monitor & Control “Adaptive Defrost” of Freezer ......... 3-28
Monitor Water Flow Meter, Regulate Fill & Display
when New Water Filter is Needed ............................... 3-29
Monitor IM System / Display If Service is Needed ....... 3-30
Monitor Compressors / Displays If Service is Needed .3-31
Possible Instruction and Error Indicators ......................... 3-32
Service Input Operations ................................................. 3-34
Diagnostic Mode .......................................................... 3-34
Thermistor Location Code Table .............................. 3-35
Fault Code Recall Mode .............................................. 3-36
Fault Code Table with LCD Correlation .................... 3-37
Temperature Log Recall Mode ..................................... 3-39
Compartment Thermistors Only .............................. 3-39
All Thermistors ......................................................... 3-40
Temperature Log Event Indicators ........................... 3-41
Model Configuration Mode ........................................... 3-42
Model Code Table .................................................... 3-43
Manual Component Activation ..................................... 3-44
Component Activation Tables ................................... 3-45
Self Test Mode ............................................................. 3-46
Section 4 - Sealed System Information
4-1
HFC 134a Refrigerant Information ................................... 4-2
General 134a Rules ...................................................... 4-2
Sealed System Repair Procedures Table ......................... 4-3
Sealed System Operation ................................................. 4-4
Refrigerant Flow Diagrams ............................................... 4-6
Section 5 -
Air Flow 5-1
Models BI-30U, BI-30UG, BI-36U, BI-36UG ...................... 5-2
Model BI-36F...................................................................... 5-2
Models BI-36R, BI-36RG .................................................. 5-3
Models BI-36S, BI-342S, BI-48S ...................................... 5-3
Models BI-342SD, BI-48SD .............................................. 5-4
TABLE OF CONTENTS
Page #
Page #
1-3
Built-In (BI) Series
Built-In (BI) Series
General Information
#7005333 - Revision A - January, 2008
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