Page 2 - Installation; WHEN INSTALLING THIS PRODUCT...; IMPORTANT: An incorrectly leveled subbase will cause; CAUTION; LOCATION; IMPORTANT: Save package of screws and instructions; Fig. 2—Mounting wallplate or subbase to wall.
69-0638—1 2 Installation WHEN INSTALLING THIS PRODUCT… 1. Read these instructions carefully. Failure to follow them could cause a hazardous condition. 2. Installer must be a trained experienced service technician.3. After installation is complete, check out product op- eration as provided in these i...
Page 3 - WIRE WALLPLATE OR SUBBASE; Fig. 4—Mounting wallplate or subbase on horizontal outlet box.
3 69-0638—1 Fig. 3—Leveling methods for wallplate orsubbase. WIRE WALLPLATE OR SUBBASE Follow the instructions provided by the heating, cooling, or heating/cooling equipment manufacturer. If not avail-able, refer to the Typical Wiring Diagrams section at the endof this publication. Disconnect the po...
Page 4 - Subbase; Control transformer power.; INSERT CLOCK BATTERIES
69-0638—1 4 Connect the wires to the corresponding terminals on the subbase (ordered separately). If labels do not agree with yournew subbase, refer to Table 2 and the installation instructionsfurnished with the subbase. NOTE: If wiring a dual transformer system, only the O or the B terminal may be ...
Page 5 - SET CLOCK; Fig. 10—Current rating of primary control.
5 69-0638—1 Fig. 8—Set clock. SET HEAT ANTICIPATOR Adjust the heat anticipator lever to match the current rating of the primary control for the proper cycle rate (Fig. 9). Adjustable anticipation must be set for total current of heat and fan control. The current rating is usually stamped on the cont...
Page 6 - SET TEMPERATURE CONTROL LEVERS; Checkout; HEATING/COOLING SYSTEM
69-0638—1 6 SET TEMPERATURE CONTROL LEVERS The two levers on top of the thermostat control the low and high temperatures for energy savings and comfort con-trol (Fig. 12). The lever on the left (blue mark) controls thelower temperature. The lever on the right (red mark) controlsthe higher temperatur...
7 69-0638—1 Calibration NOTE: Select models can be calibrated. THERMOMETER The thermometer in your thermostat was accurately cali- brated at the factory. The thermometer should need adjust-ment only if it has been dropped or shifted due to mishandling.If the setpoint lever and the thermometer readin...
Page 2 - Installation; WHEN INSTALLING THIS PRODUCT...; IMPORTANT: An incorrectly leveled subbase will cause; CAUTION; LOCATION; IMPORTANT: Save package of screws and instructions; Fig. 2—Mounting wallplate or subbase to wall.
69-0638—1 2 Installation WHEN INSTALLING THIS PRODUCT… 1. Read these instructions carefully. Failure to follow them could cause a hazardous condition. 2. Installer must be a trained experienced service technician.3. After installation is complete, check out product op- eration as provided in these i...
Page 3 - WIRE WALLPLATE OR SUBBASE; Fig. 4—Mounting wallplate or subbase on horizontal outlet box.
3 69-0638—1 Fig. 3—Leveling methods for wallplate orsubbase. WIRE WALLPLATE OR SUBBASE Follow the instructions provided by the heating, cooling, or heating/cooling equipment manufacturer. If not avail-able, refer to the Typical Wiring Diagrams section at the endof this publication. Disconnect the po...
Page 4 - Subbase; Control transformer power.; INSERT CLOCK BATTERIES
69-0638—1 4 Connect the wires to the corresponding terminals on the subbase (ordered separately). If labels do not agree with yournew subbase, refer to Table 2 and the installation instructionsfurnished with the subbase. NOTE: If wiring a dual transformer system, only the O or the B terminal may be ...
Page 5 - SET CLOCK; Fig. 10—Current rating of primary control.
5 69-0638—1 Fig. 8—Set clock. SET HEAT ANTICIPATOR Adjust the heat anticipator lever to match the current rating of the primary control for the proper cycle rate (Fig. 9). Adjustable anticipation must be set for total current of heat and fan control. The current rating is usually stamped on the cont...
Page 6 - SET TEMPERATURE CONTROL LEVERS; Checkout; HEATING/COOLING SYSTEM
69-0638—1 6 SET TEMPERATURE CONTROL LEVERS The two levers on top of the thermostat control the low and high temperatures for energy savings and comfort con-trol (Fig. 12). The lever on the left (blue mark) controls thelower temperature. The lever on the right (red mark) controlsthe higher temperatur...
7 69-0638—1 Calibration NOTE: Select models can be calibrated. THERMOMETER The thermometer in your thermostat was accurately cali- brated at the factory. The thermometer should need adjust-ment only if it has been dropped or shifted due to mishandling.If the setpoint lever and the thermometer readin...