Sub-Zero 700TC-3 Wiring Diagram
Part Number: 3758574 REV B
Model: 700TC-3
Prior to Serial Number: 3156295
Warning
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.
High Voltage Wiring Diagram
The diagram illustrates the high-voltage connections for the Sub-Zero 700TC-3 refrigerator. It details the flow of power from the L1 (hot) and Neutral lines to various components such as compressors, fans, heaters, and lights. Wire colors are indicated for each connection.
Key Components and Connections:
- Power Input: L1 (Black), Neutral (White)
- Compressors: Refrigerator Compressor (Gray wire), Freezer Compressor (Purple wire)
- Fans: Refrigerator Fan Motor (Red wire), Condenser Fan Motor (White/Red wire), Freezer Evap Fan Motor (Red wire)
- Heaters: Defrost Heater (Blue wire), Drain Trough Heater (Tan wire), Fill Tube Heater (White/Blue wire)
- Lights: Refrigerator Lights (Yellow wire), Freezer Lights (Pink wire)
- Switches: Refrigerator Fan Switch, Refrigerator Light Switch, Freezer Fan Switches, Freezer Light Switches
- Sensors: Refrigerator Evaporator Sensor, Refrigerator Cabinet Sensor, Freezer Evaporator Sensor, Freezer Cabinet Sensor
- Control Board: Various connections labeled J1 through J7, E2, E6, E7, E10
- Other Components: Defrost Terminator, Icemaker (Optional), Water Valve (Optional)
Low Voltage Wiring Diagram
The low-voltage section details the connections for sensors, display, and membrane switch to the control board. Thermistor readings are crucial for temperature regulation.
Control Board Detail:
The control board has multiple terminals (J1-J7, E2, E6, E7, E10) that connect to various components. A detailed summary table lists the function, circuit description, and wire color for each terminal.
Example Control Board Summary Entries:
- E2 (DEF HTR): Defrost Heater, powers defrost circuit, Blue wire
- E10 (L1): Power In, power into board, Black wire
- J7-1 (C FAN): Condenser Fan, powers condenser fan, White/Red wire
- J1-1 (EVAP FRZ): Freezer Evaporator, senses freezer evaporator temperature, Orange/Red wire
Model Variations
The document includes wiring diagrams for several related models, including 700TR-3, 700TC/I-3, 700TF/I-3, 700TR, 700TF/I, and 736TC-3. While the core functionality is similar, specific wire colors and component designations may vary slightly between models.
