Installation Instructions
Page 1
...these Instructions. Disconnect power supply before beginning installation. Registered Trademark Copyright © 2004 Honeywell International Inc. • • All Rights Reserved 69-1606ESF-3 Table 1. Model Descriptions. Do not mount the thermostat where it can be a trained, experienced service technician. 4. unheated (uncooled) area...in these instructions carefully. Model Voltage System Anticipator T812A 24 Vac Heat only Adjustable .18A to 1.2A @ 30 Vac T812B 12 Vdc Heat only .18A to 1.2A @ 12 Vdc T812C 24 Vac Heat and Cool Adjustable .18A to 1.2A @ 30 Vac T812D...
...these Instructions. Disconnect power supply before beginning installation. Registered Trademark Copyright © 2004 Honeywell International Inc. • • All Rights Reserved 69-1606ESF-3 Table 1. Model Descriptions. Do not mount the thermostat where it can be a trained, experienced service technician. 4. unheated (uncooled) area...in these instructions carefully. Model Voltage System Anticipator T812A 24 Vac Heat only Adjustable .18A to 1.2A @ 30 Vac T812B 12 Vdc Heat only .18A to 1.2A @ 12 Vdc T812C 24 Vac Heat and Cool Adjustable .18A to 1.2A @ 30 Vac T812D...
Installation Instructions
Page 2
... the hole and plug any opening to prevent drafts that could affect thermostat performance. 6. Adjust the heat anticipator (select models) to the location. 2. SCREWS (3) USED TO MOUNT THERMOSTAT ONTO SUBBASE BIMETAL ELEMENT ADJUSTABLE HEAT ANTICIPATOR INDICATOR LEVER ADJUSTABLE HEAT ANTICIPATOR SCALE MOUNTING HOLE (THERMOSTAT TO WALL) M20496A Fig. 1. Wiring and Mounting All wiring must comply with...
... the hole and plug any opening to prevent drafts that could affect thermostat performance. 6. Adjust the heat anticipator (select models) to the location. 2. SCREWS (3) USED TO MOUNT THERMOSTAT ONTO SUBBASE BIMETAL ELEMENT ADJUSTABLE HEAT ANTICIPATOR INDICATOR LEVER ADJUSTABLE HEAT ANTICIPATOR SCALE MOUNTING HOLE (THERMOSTAT TO WALL) M20496A Fig. 1. Wiring and Mounting All wiring must comply with...
Installation Instructions
Page 3
...T812A in millivolt system. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. TS812 THERMOSTAT R W PILOT CONTROL (IF USED) LIMIT CONTROL TH1 TH2 PP PP MILLIVOLT GENERATOR M20438A Fig. 5. M20441 Fig. 8. .... 7. Typical hookup to TS812A in typical gas heating system. T812B THERMOSTAT WR TO 12 Vdc 1 POWER SUPPLY GAS VALVE 1 POWER SUPPLY. T812, TS812 THERMOSTATS T812C THERMOSTAT RWY G 1 L1 L2 HEAT FAN COOL 1 POWER SUPPLY. T812B in heating and cooling system. T812C in 12 Vdc application....
...T812A in millivolt system. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. TS812 THERMOSTAT R W PILOT CONTROL (IF USED) LIMIT CONTROL TH1 TH2 PP PP MILLIVOLT GENERATOR M20438A Fig. 5. M20441 Fig. 8. .... 7. Typical hookup to TS812A in typical gas heating system. T812B THERMOSTAT WR TO 12 Vdc 1 POWER SUPPLY GAS VALVE 1 POWER SUPPLY. T812, TS812 THERMOSTATS T812C THERMOSTAT RWY G 1 L1 L2 HEAT FAN COOL 1 POWER SUPPLY. T812B in heating and cooling system. T812C in 12 Vdc application....
Installation Instructions
Page 4
...0A to match the current draw of the temperature scale.) Heat Anticipator Setting (Select Models) IMPORTANT 1. To adjust, move the indicator in China www.honeywell.com/yourhome Can damage heat anticipator. See Fig. 1. To shorten burner-on the ...back of positive off models, the control circuit is broken when the lever is carefully calibrated at a time. In cold weather, it connected to the extreme lowest setting of the primary control for correct operation of the thermostat...
...0A to match the current draw of the temperature scale.) Heat Anticipator Setting (Select Models) IMPORTANT 1. To adjust, move the indicator in China www.honeywell.com/yourhome Can damage heat anticipator. See Fig. 1. To shorten burner-on the ...back of positive off models, the control circuit is broken when the lever is carefully calibrated at a time. In cold weather, it connected to the extreme lowest setting of the primary control for correct operation of the thermostat...