Installation Instructions
Page 1
...169; 2004 Honeywell International Inc. • • All Rights Reserved 69-1606ESF-3 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 ...or cause a hazardous condition. 2. drafts, or dead spots behind the thermostat. ® U.S. T812, TS812 Thermostats APPLICATION The T812 and TS812 Thermostats are low voltage, controls for heat only, cool only or heating and cooling systems. See Table 1. Model Descriptions. CAUTION Electrical Shock Hazard. Can cause...
...169; 2004 Honeywell International Inc. • • All Rights Reserved 69-1606ESF-3 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 ...or cause a hazardous condition. 2. drafts, or dead spots behind the thermostat. ® U.S. T812, TS812 Thermostats APPLICATION The T812 and TS812 Thermostats are low voltage, controls for heat only, cool only or heating and cooling systems. See Table 1. Model Descriptions. CAUTION Electrical Shock Hazard. Can cause...
Installation Instructions
Page 2
...frayed or cracked insulation and replace any opening to the location. 2. T812 Models With Subbase 1. Disconnect thermostat from the thermostat base. Adjust the heat anticipator (select models) to match the current draw of the device. Push any excess wire back through.... 1. 10. See Fig. 2. 7. 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. Loosely fasten thermostat subbase to the wall with a screw through the mounting holes on top...
...frayed or cracked insulation and replace any opening to the location. 2. T812 Models With Subbase 1. Disconnect thermostat from the thermostat base. Adjust the heat anticipator (select models) to match the current draw of the device. Push any excess wire back through.... 1. 10. See Fig. 2. 7. 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. Loosely fasten thermostat subbase to the wall with a screw through the mounting holes on top...
Installation Instructions
Page 3
.... PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M20440 Fig. 7. T812D THERMOSTAT R Y 1 L1 L2 COOL 1 POWER SUPPLY. TS812 THERMOSTAT R W PILOT CONTROL (IF USED) LIMIT CONTROL TH1 TH2 PP PP MILLIVOLT GENERATOR M20438A Fig. 5. M20439 Fig. 6. T812, TS812 THERMOSTATS T812C THERMOSTAT RWY G 1 L1 L2 HEAT FAN COOL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE...
.... PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M20440 Fig. 7. T812D THERMOSTAT R Y 1 L1 L2 COOL 1 POWER SUPPLY. TS812 THERMOSTAT R W PILOT CONTROL (IF USED) LIMIT CONTROL TH1 TH2 PP PP MILLIVOLT GENERATOR M20438A Fig. 5. M20439 Fig. 6. T812, TS812 THERMOSTATS T812C THERMOSTAT RWY G 1 L1 L2 HEAT FAN COOL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE...
Installation Instructions
Page 4
...extreme lowest setting of the primary control for optimum thermostat performance. See Fig. 1. Move the temperature setting lever to 30 Vac fixed anticipator. Cool Anticipator (Select Models) Models with a cooling anticipator have current rating equal to the control rating.... in the opposite direction. Setting the heat anticipator allows the thermostat to operate through at least one minute. Checkout CAUTION Shorting Hazard. Automation and Control Solutions Honeywell International Inc. NOTE: For best performance, the heat anticipator can require further adjustment. To ...
...extreme lowest setting of the primary control for optimum thermostat performance. See Fig. 1. Move the temperature setting lever to 30 Vac fixed anticipator. Cool Anticipator (Select Models) Models with a cooling anticipator have current rating equal to the control rating.... in the opposite direction. Setting the heat anticipator allows the thermostat to operate through at least one minute. Checkout CAUTION Shorting Hazard. Automation and Control Solutions Honeywell International Inc. NOTE: For best performance, the heat anticipator can require further adjustment. To ...