White Rodgers 1A10 Series User Manual

The White Rodgers 1A10 Series is a light duty line voltage heating-cooling thermostat designed for controlling fan motors, circulator motors, contactors, motor starters, valves, etc. Equipped with fixed anticipators for greater room comfort. Temperature range 36° to 90°F. Below are the key specifications, installation, operation, and instructions.

Preparations

Operator: Save these instructions for future use! FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

When thermostat is set below 40°F or 5°C, damage to the building and/or contents may result due to freezing. This is possible due to factory calibration tolerances, thermostat location and operating characteristics of the heating equipment.

CAUTION! To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete.

Selecting Location

The proper location of the room thermostat is most important to insure that it will provide a comfortable home temperature. Observe the following general rules when selecting a location:

1. Do not install in locations where air circulation is poor, such as closets, or behind doors or curtains.
2. Do not install in areas where drafts may affect the accuracy of the thermostat, such as near windows, outside doors, or air vents.
3. Do not install in areas where the thermostat may be affected by sunlight or other radiant heat sources.
4. Do not install in areas where the thermostat may be exposed to water or excessive moisture.
5. Avoid locations close to air registers, or in the direct path of air from them.

Description

This Light Duty Line Voltage Heating-Cooling Thermostat is designed for controlling fan motors, circulator motors, contactors, motor starters, valves, etc. To provide greater room comfort, the thermostat is equipped with fixed anticipators.

Two dial stops are supplied, which may be used for making a maximum or minimum setting, a limited temperature range or a locked dial setting. (See parts package).

The temperature may be set anywhere between 36° and 90°F or 2° and 32°C by turning knob to the desired temperature on the dial.

Positive off or system selection can be obtained by using a switching sub-base. Optional heating and cooling sub-base S29-21 is available.

Specifications

• Switch Action: S.P. D.T. (Heating, open on rise) (Cooling, close on rise)
• Range: 36 to 90°F (2° to 32°C)
• Contact Structure: Snap Switch

Installation

Disconnect power at main fuse or circuit breaker. Remove old thermostat if present, label wires. Mount the thermostat base to the wall using provided screws. Connect wires according to the wiring diagram.

Wiring Diagrams

Typical Wiring Diagram

SYSTEM GROUND MANUAL CHANGEOVER COOL (2) HEAT (1) WINTER SUMMER LINE FAN-COIL GREEN LEAD TO SYSTEM GROUND

1. Connect wires to terminals: Heat (1), Cool (2), Line, System Ground (green lead).
2. Mount thermostat base to wall.
3. Secure cover.

Operating Features

• Fixed Anticipators: For greater room comfort.
• Dial Stops: Two supplied for max/min setting, limited range, or locked dial.
  • MAX. DIAL SETTING STOP: Knob tab hits top of stop.
  • MIN. DIAL SETTING STOP: Knob tab hits bottom of stop.
  • LOCKED DIAL SETTING: Knob tab between two stops, 2nd hole.
• Temperature Setting: 36° to 90°F or 2° to 32°C via knob.
• Switching Sub-Base: Optional S29-21 for positive off or system selection (heating/cooling).

WARNING! When thermostat is set below 40°F or 5°C, damage to the building and/or contents may result due to freezing.