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T T e e c c h h n n i i c c a a l l
S S e e r r v v i i c c e e M M a a n n u u a a l l
3 3
3 3
I I n n t t e e g g r r a a t t e e d d
S S e e r r i i e e s s
I I n n t t e e g g r r a a t t e e d d
S S e e r r i i e e s s
( ( 7 7 0 0 0 0 - -
T T A A L L L L ) )
( ( 7 7 0 0 0 0 - -
T T A A L L L L ) )
© SUB-ZERO FREEZER COMPANY INC.
2006 ALL RIGHTS RESERVED
JOB AID #3758412
(Revision B - December 2006)
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Chapters
Table of Contents
Troubleshooting
Related Manuals for Sub-Zero 700TCI-3
Summarization of Contents
General Information
Introduction
Overview of the Technical Service Manual's purpose and scope for 700-3 Series Tall units.
Important Safety Information
Highlights product safety labels (WARNING, CAUTION) and general precautions to avoid injury or damage.
Technical Assistance
Provides contact information for Sub-Zero Freezer Company for service and parts inquiries.
Warranty Information
Summarizes the 2, 5, & 12 Year Residential Warranty and special warranties for Sub-Zero units.
Model Descriptions
Brief descriptions of the 700-3 Tall Series models covered in the manual.
Installation Information
Installation Considerations
Covers common installation issues and customer complaints to prevent service calls.
Unit Leveling
Detailed steps on how to level the unit using the front leveling legs.
Door and Drawer Adjustment
Notes on adjusting door and drawer panels and hinge operation tests.
Door Stop Adjustment
Procedure for adjusting the 90° door stop cam built into the hinge system.
Dual Unit Installations
Instructions for installing multiple units side-by-side, including dual unit heater packages.
Electronic Control System Information
Electronic Control Terminology & Component Descriptions
Defines key terms and components of the electronic control system for proper understanding.
Basic Electronic Control System
Illustrates the basic 700 Series electronic control system diagram and its functions.
Control Board Layout and Summary Table
Diagram and table showing control board connection points and component functions.
Control Panel Layout
Illustrates the 700TC/I-3 control panel layout and key functions.
Basic Electronic Control Input Operations
Explains fundamental input operations like unit ON/OFF and temperature adjustments.
Unique Electronic Control Input Operations
Details less common operations like unit mode selections and manual functions.
Functions of the Electronic Control System
Explains monitoring, regulating, and controlling functions of the electronic control system.
Possible Error Indicators
Illustrates potential LCD error displays and their meanings for troubleshooting.
Diagnostic Mode Indicators
Explains indicators observed during diagnostic mode, such as 'EE', 'Sr', and 'EC'.
Clearing Error Codes
Procedure for clearing registered error codes after problem correction.
Manual Component Activation Mode
Allows technicians to energize cooling systems for five minutes for testing purposes.
Temperature Log Recall Mode
Explains how to access and view temperature history data stored by the control system.
Possible Temperature Log Recall Mode Event Indicators
Diagrams of event indicators like 'bl', 'SERVICE', 'Bell', and double dashes.
Temperature Log Index Chart
Chart correlating index numbers with hours past for temperature history recall.
Sealed System Information
HFC-134a Refrigerant Service Information
General rules and procedures for servicing systems containing HFC-134a refrigerant.
Sealed System Repair Procedures
Outlines service procedures for common sealed system problems like leaks and restrictions.
Sealed System Operation
Illustrates the basic sealed system components and refrigerant flow.
Sealed System Refrigerant Flow Diagrams
Model-specific diagrams showing refrigerant flow through various system components.
Air Flow & Fan Blade Spacing
700TC/I-3 and 736TC/I-3 Air Flow and Fan Blade Spacing
Diagrams and specifications for air flow and fan blade spacing for specific models.
700TR-3 and 736TR-3 Air Flow and Fan Blade Spacing
Diagrams and specifications for air flow and fan blade spacing for specific models.
700TF/I-3 Air Flow and Fan Blade Spacing
Diagrams and specifications for air flow and fan blade spacing for the 700TF/I-3 model.
Icemaker Information
Icemaker System Information
Overview of icemaker models and additional system information.
Modular Icemaker Operation
Details on how the modular icemaker operates and its electrical schematic.
What Happens During Modular Icemaker Ejector Blade Rotation
Diagram illustrating the ejector blade rotation cycle for diagnosing icemaker problems.
Modular Icemaker Test Procedures
Step-by-step tests for diagnosing the modular icemaker's electrical components.
Modular Icemaker Water Fill Adjustment
Instructions on how to adjust the water fill amount for the modular icemaker.
Modular Icemaker Disassembly
Procedures for removing the module/motor, mold/heater, and thermostat.
Midsouth and Japan-Servo Icemaker Components
Descriptions of components for Midsouth and Japan-Servo icemakers.
Midsouth and Japan-Servo Icemaker Operation
Series of schematics illustrating the typical icemaker cycle of operation.
Manually Stopping Ice Production
Three methods for manually stopping the icemaker's ice production.
Manually Starting the Icemaker
Procedure for manually starting the icemaker cycle, including bypassing dwell periods.
Adjusting Icemaker Water Fill Level
Guidance on checking and adjusting the water fill level for Midsouth icemakers.
Icemaker Fault Testing
Diagnostic steps for common icemaker faults and their possible causes.
Possible Problems
List of potential icemaker issues and corresponding troubleshooting actions.
Component Access/Removal
Component Access and Removal
Explains how to adjust, access, and remove components in 700-3 Tall Series units.
Exterior Cosmetic and Mechanical Components
Procedures for removing exterior parts like kickplates, molding, and switches.
Drawer Assembly Removal
Instructions for removing drawer assemblies from the unit.
Door & Drawer Gasket Removal
Procedure for removing and installing door and drawer gaskets.
Door Assembly Removal
Steps for removing the entire door assembly, including hinge covers and screws.
Upper and Lower Hinge Assembly Removal
Procedure for removing hinge assemblies attached to mounting brackets.
Interior Cosmetic, Mechanical and Electrical Components
Procedures for accessing and removing interior components like shelves and diffusers.
Upper Light Diffuser Removal
Steps for removing the upper light diffuser assembly.
Light Bulb Removal
Instructions for removing and installing light bulbs in the upper and drawer areas.
Control Board Removal
Procedure for accessing and removing the main control board.
Control Panel Assembly Removal
Steps for removing the control panel assembly from the unit.
Upper Evaporator Cover / Air Duct Removal
Procedure for removing the upper evaporator cover and air duct.
Upper Evaporator Fan Shroud Assembly Removal
Steps for removing the evaporator fan shroud assembly holding lighting components.
Upper Compartment Evaporator Fan Assembly Removal
Procedure for removing the upper compartment evaporator fan assembly.
Upper Compartment Thermistor Removal
Instructions for removing the upper compartment thermistor.
Upper Evaporator Thermistor Removal
Procedure for removing the upper evaporator thermistor (except 700TF/I-3).
Drawer Closer Assembly Removal
Steps for accessing and removing drawer closer assemblies.
Drawer Slide Assembly Removal
Procedure for removing drawer slide assemblies attached to side walls.
Icemaker Assembly Removal
Instructions for accessing and removing the icemaker assembly.
Heat Exchanger Cover Removal
Procedure for removing the heat exchanger cover in the lower compartment.
Lower Evaporator Cover Assembly Removal
Steps for removing the lower evaporator cover assembly for specific models.
Lower Evaporator Fan Assembly Removal
Procedure for removing the lower evaporator fan assembly for specific models.
Lower Compartment Thermistor Removal
Instructions for removing the lower compartment thermistor for specific models.
Lower Evaporator Thermistor Removal
Procedure for removing the lower evaporator thermistor for specific models.
Lower Evaporator Cover Assembly Removal
Steps for removing the lower evaporator cover for specific models.
Drain Trough Heater Removal
Procedure for accessing and removing the drain trough heater in the lower compartment.
Lower Evaporator Fan Shroud Removal
Instructions for removing the lower evaporator fan shroud.
Lower Evaporator Fan Assembly Removal
Procedure for removing the lower evaporator fan assembly.
Defrost Terminator Removal
Steps for accessing and removing the defrost terminator.
Defrost Heater Removal
Procedure for accessing and removing the defrost heater.
Switch Enclosure Assembly Removal
Instructions for accessing and removing the switch enclosure assembly.
Lower Evaporator Thermistor Removal
Procedure for removing the lower evaporator thermistor.
Lower Compartment Thermistor Removal
Instructions for removing the lower compartment thermistor.
Fill Tube Heater Removal
Procedure for accessing and removing the fill tube heater.
Lower Compartment Light / Fan / Icemaker Switch Removal
Instructions for removing switches mounted to the switch enclosure.
Compressor Area Electrical and Mechanical Components
Procedures for accessing electrical and mechanical components in the compressor area.
Icemaker Water Valve Removal
Steps for removing the icemaker water valve assembly.
Condenser Fan Assembly Removal
Procedure for accessing and removing the condenser fan assembly.
Sealed System Components
Procedures for removing sealed system components like evaporators.
Upper Refrigerator Compartment Evaporator Removal
Instructions for removing the upper refrigerator compartment evaporator.
Lower Compartment Evaporator Removal
Procedure for removing the lower compartment evaporator.
High-Side Filter-Drier Removal
Steps for accessing and removing the high-side filter-drier.
Compressor Removal
Procedure for removing the compressor, including electrical connections and tubing.
Condenser Removal
Instructions for removing the condenser, including cutting tubes and drilling rivets.
Upper Compartment Heat Exchanger Removal
Procedure for removing the upper compartment heat exchanger.
Lower Compartment Heat Exchanger Removal
Instructions for removing the lower compartment heat exchanger.
Troubleshooting Guides
Troubleshooting Guides
Overview of troubleshooting sections including error codes and general guides.
How to Use the Error Code Troubleshooting Guide
Guide on using error codes to diagnose and resolve unit malfunctions.
Error Code Table
A table listing error codes, their indications, and corresponding troubleshooting actions.
Error Code Troubleshooting Guide
Detailed steps for diagnosing and resolving specific error codes.
How to Use General Troubleshooting Guide
Instructions on how to navigate and use the general troubleshooting guide effectively.
General Troubleshooting Guide Table of Contents
An index of problems, their possible causes, and recommended tests/actions.
Sealed System Troubleshooting / Diagnostics Tables
Tables for diagnosing sealed system issues based on pressures and temperatures.
Normal Operating Pressures
Reference table for normal low-side and high-side operating pressures for various models.
Pressure Indications
Correlation between pressure readings and potential mechanical problems.
Evaporator Temperature / Sealed System Low-Side Pressure Correlation
Table correlating evaporator temperatures with sealed system low-side pressures.
Control Panel Membrane Switch / Ribbon Cable Test
Procedure for testing the integrity of the control panel membrane switch and ribbon cable.
Tall Unit Door Hinge Operation Test Procedures and Corrections
Methods for testing and correcting door closing problems related to hinges.
Technical Data
Model 700TC/I-3
Technical specifications for the 700TC/I-3 model, including charge, pressures, and components.
Model 700TR-3
Technical specifications for the 700TR-3 model, including charge, pressures, and components.
Model 700TF/I-3
Technical specifications for the 700TF/I-3 model, including charge, pressures, and components.
Model 736TC/I-3
Technical specifications for the 736TC/I-3 model, including charge, pressures, and components.
Model 736TR-3
Technical specifications for the 736TR-3 model, including charge, pressures, and components.
Wiring Diagrams and Schematics
Wiring Diagram Model: 700TC-3
Diagram illustrating the electrical connections for the 700TC-3 model.
Wiring Schematic Model: 700TC-3
Schematic showing the electrical layout for the 700TC-3 model.
Wiring Diagram Model: 700TR-3
Diagram illustrating the electrical connections for the 700TR-3 model.
Wiring Schematic Model: 700TR-3
Schematic showing the electrical layout for the 700TR-3 model.
Wiring Diagram Model: 700 TF/I-3
Diagram illustrating the electrical connections for the 700TF/I-3 model.
Wiring Schematic Model: 700 TF/I-3
Schematic showing the electrical layout for the 700TF/I-3 model.
Wiring Diagram Model: 736TC/I-3
Diagram illustrating the electrical connections for the 736TC/I-3 model.
Wiring Schematic Model: 736TC/I-3
Schematic showing the electrical layout for the 736TC/I-3 model.
Wiring Diagram Model: 736TR-3
Diagram illustrating the electrical connections for the 736TR-3 model.
Wiring Schematic Model: 736TR-3
Schematic showing the electrical layout for the 736TR-3 model.
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