Sub-Zero Integrated 736 Series Wiring Diagrams and Schematics
This document provides detailed wiring diagrams and schematics for Sub-Zero Integrated refrigerator models. It is intended for qualified service personnel and outlines the electrical connections, components, and control board functions.
Important Safety Warnings
This wiring information is provided for use by qualified service personnel only.
Disconnect appliance from electrical supply before beginning service.
Be sure all grounding devices are connected when service is complete.
Failure to observe the above warnings may result in severe electrical shock.
Models Covered
- Sub-Zero Integrated 736TCI (After Serial #2970000)
- Sub-Zero Integrated 736R (After Serial #2970000)
- Sub-Zero Integrated 736TFI (After Serial #2970000)
- General reference to the "INTEGRATED (736 Tall SWS #2970000) SERIES".
Key Electrical Components and Systems
The diagrams illustrate the wiring for various components, including:
- Sensors: Refrigerator Evaporator (REF EVAP), Refrigerator Cabinet (REF CAB), Freezer Evaporator (FRZ EVAP), Freezer Cabinet (FRZ CAB).
- Fans: Refrigerator Evaporator Fan (REF EVAP FAN MOTOR), Freezer Evaporator Fan (FRZ EVAP FAN MOTOR), Condenser Fan (CONDENSER FAN MOTOR).
- Compressors: Refrigerator Compressor (REFRIGERATOR COMPRESSOR), Freezer Compressor (FREEZER COMPRESSOR).
- Heaters: Defrost Heater (DEFROST HEATER), Drain Trough Heater (DRAIN TROUGH HEATER), Fill Tube Heater (FILL TUBE HEATER).
- Lights: Refrigerator Lights (REFRIGERATOR LIGHTS), Drawer Lights (DRAWER LIGHTS), Door Lights (DOOR LIGHTS).
- Switches: Refrigerator Light Switch, Refrigerator Fan Switch, Door Light Switch, Drawer Light Switches, Freezer Fan Switch.
- Control Board: Detailed diagrams and summaries of control board connections, pin functions, and circuit descriptions. This includes 120 Volt Circuits and Low Voltage Thermistor Circuits.
- Other Components: Icemaker, Water Valve, Solenoid, Running Capacitors, Starting Relays.
Control Board Summary
The control board serves as the central hub for managing appliance functions. The document provides a summary table detailing the function of each circuit connected to the control board, including:
- 120 Volt Circuits: Power In, Defrost Heater, Freezer Compressor, Refrigerator Compressor, Condenser Fan, Refrigerator Fan Switch, Icemaker Accessories (Fill Tube Heater), Lights, Icemaker.
- Low Voltage Thermistor Circuits: Drawer Lights Sense, Door Lights Sense, Defrost Sensor, Icemaker Valve Sensor, Freezer Evaporator Temperature, Freezer Cabinet Temperature, Refrigerator Evaporator Temperature, Refrigerator Cabinet Temperature.
Specific pin assignments and wire colors for each function are detailed in the control board summary and detail sections within the original diagrams.