Sub-Zero 700-3 BASE, Technical & Service Manual

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General Information
Integrated
(700-
3
BASE)
Series
1-3
#3758424 - Revision B - December, 2005
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 ........................................................ 1-5
Model Description ............................................................. 1-6
Section 2 - Installation Information 2-1
Installation Considerations ............................................... 2-2
Unit leveling .................................................................. 2-2
Drawer Adjustment ....................................................... 2-3
Dual Unit Installation ..................................................... 2-3
Section 3 - Electronic Control System Information 3-1
Electronic Control Terminology &
Component Descriptions .................................................. 3-2
Electronic Control System Overview ............................... 3-3
Control Board Layout & Summary Table ....................... 3-4
Control Panel Layout ....................................................... 3-5
Basic Electronic Control Input Operations ...................... 3-6
Unit ON/OFF ................................................................ 3-6
Adjusting Set-Point (Temp. Adjustment) ...................... 3-6
Icemaker System ON/OFF ............................................ 3-7
Door Ajar Alarm ON/OFF ............................................ 3-7
Unique Electronic Control Input Operations .................... 3-8
Temperature Units Selection Mode ............................ 3-8
Sabbath Mode ............................................................. 3-8
Showroom Mode ......................................................... 3-9
Manual Freezer Evaporator Defrost ............................ 3-9
Functions of Electronic Control System ......................... 3-10
Display Zone Temperatures ........................................ 3-10
Supply Power to Lighting System .............................. 3-10
Regulate Freezer Zone Temperature (BC/BF) ............ 3-11
Regulate Refrigerator Zone Temperature (BC) ........... 3-12
Regulate Refrigerator Zone Temperature (BR) ........... 3-13
“Adaptive Defrost” (BC/BF) ......................................... 3-14
Fan-Assisted Off-Cycle Defrost“ (BR) ......................... 3-15
Monitor Compressor Run - Display SERVICE ............ 3-16
Monitor Ice Maker System - Display ICE/SERVICE .... 3-17
Possible Error Indicators ............................................... 3-18
Troubleshooting Input Operations ................................... 3-19
Diagnostic Mode ........................................................ 3-19
Thermistor Location Code Tables .......................... 3-19
Diagnostic Mode Indicators ..................................... 3-20
Error Code Table ..................................................... 3-20
Manual Component Activation Mode .......................... 3-21
Temperature Log Recall Mode .................................... 3-22
Compartment Temperature History Only ................. 3-22
Compartment & Evaporator Temperature History .... 3-23
Temperature Log Event Indicators ........................... 3-24
Temperature Log Index Chart .................................. 3-25
Service Input Operations ................................................. 3-26
Model Configuration Mode .......................................... 3-26
Model Code Table ....................................................... 3-26
Manual Entry Model Configuration Mode .................... 3-27
Section 4 - Sealed System Information 4-1
HFC-134a Refrigerant Service Information ...................... 4-2
General Rules for Working with 134a Refrigerant ........ 4-2
Sealed System Repair Procedures .............................. 4-3
Sealed System Operation ................................................ 4-4
Sealed System Refrigerant Flow Diagrams ..................... 4-6
Section 5 - Air Flow & Fan Blade Spacing 5-1
Model 700BCI-3 ............................................................... 5-2
Model 700BR-3 ................................................................ 5-2
Model 700BFI-3 ............................................................... 5-3
Section 6 - Icemaker Information 6-1
Modular Icemaker ........................................................... 6-2
Modular Icemaker Operation ...................................... 6-2
Additional Icemaker Operation Notes ......................... 6-3
What Happens During Ejector Blade Rotation ............ 6-3
Modular Icemaker Test Procedures ................................ 6-4
Voltage Tests ................................................................ 6-4
Continuity Tests & Thermostat Inspection ................... 6-4
Water Fill Adjustment ...................................................... 6-5
Icemaker Disassembly .................................................... 6-5
Module/Motor Assembly ............................................. 6-5
Mold/Heater Assembly ............................................... 6-5
Ejector Blades and/or Ice Stripper .............................. 6-5
Icemaker Thermostat ................................................. 6-5
TABLE OF CONTENTS
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