Page 2 - T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS; Use a pencil to mark the mounting holes. See; Position the wallplate over the holes, pulling wires; through the wiring opening.; WIRING; CAUTION; Loosen the terminal screws on the wallplate and; prevent drafts from affecting the thermostat.
69-0927—4 2 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS Fig. 1. Typical location of thermostat. 5 FEET [1.5 METERS] YES NO NO NO M10106 Fig. 2. Mounting the wallplate. 2. Use a pencil to mark the mounting holes. See Fig. 2. 3. Remove the wallplate from the wall and drill two 3/16 inch holes in th...
Page 3 - Fig. 4. Typical hookup in heat pump system; Mounting Thermostat; Engage tabs at the top of the thermostat and
69-0927—4 3 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS Fig. 3. Typical hookup in heat pump application. Fig. 4. Typical hookup in heat pump system with emergency heat relay. Fig. 5. Typical hookup in heat pump application with emergency heat relay and O/B terminal. Fig. 6. Proper wiring techniqu...
Page 4 - and fan keys location.; Temperature Settings; SETTINGS; System and Fan Settings; and fan switches location.
69-0927—4 4 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS Fig. 10. T8511G (automatic changeover) system and fan keys location. NOTE: Always press the system and fan keys with yourfingertip or similar blunt tool. Sharp instrumentslike a pen or pencil point can damage thekeyboard. Temperature Setting...
Page 5 - INSTALLER SETUP
69-0927—4 5 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS INSTALLER SETUP NOTE: For most applications, the thermostat factory-settings do not need to be changed. Review thefactory settings in Table 2 and if no changes arenecessary, go to the Installer System-Testsection. The Installer Setup is used...
Page 7 - INSTALLER SYSTEM-TEST
69-0927—4 7 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS Em HeatOffCool Auto Only Heat Cool OnAuto System Fan Room Outdoor Em Ht Temporary Setting Wait %Humid Aux Ht Remote Repl Batt M4844 INSTALLER SYSTEM-TEST Use the Installer System-Test to check the thermostatconfigurations and operation. Refe...
Page 8 - Thermostat Information; IMPORTANT
69-0927—4 8 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS Table 4. Installer System-Test Options. (Continued) M6791 M4864 M4865 M4866 Thermostat Information 1. Press the Information i key to access the thermo- stat information. 2. Press the increase ▲ key to display the production date code. The fi...
Page 9 - Press the increase; CHECKOUT; Symptom; TROUBLESHOOTING GUIDE
69-0927—4 9 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS M4867 5. Press the increase ▲ key again to display the EEPROM identification code.(Example: 222 = EEPROM ID 222) 6. Press and hold the increase ▲ and decrease ▼ keys together, until the room temperature isdisplayed, to exit the system-test. ...
Page 12 - Automation and Control Solutions
69-0927—4 12 T8511G,R MICROELECTRONIC HEAT PUMP THERMOSTATS 69-0927—4 G.H. Rev. 04-04 www.honeywell.com/yourhome Honeywell Limited-Honeywell Limitée35 Dynamic DriveScarorough, OntarioM1V 4Z9 Automation and Control Solutions Honeywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422