Owner's Manual
Page 5
Located on and off. 12 WALLPLATE. Provides mounting base and wiring connections for program pin insertion. 11 MERCURY BULB AND BIMETAL ELEMENT (2). 5 6 9 11 12 M8744 10 8 7 M8745 10 PIN SLOTS. Provide automatic temperature control by switching the heating or cooling system on 24-hour dial at 10-minute intervals for heating or cooling thermostat without system or fan switching. 5 69-0563-2
Located on and off. 12 WALLPLATE. Provides mounting base and wiring connections for program pin insertion. 11 MERCURY BULB AND BIMETAL ELEMENT (2). 5 6 9 11 12 M8744 10 8 7 M8745 10 PIN SLOTS. Provide automatic temperature control by switching the heating or cooling system on 24-hour dial at 10-minute intervals for heating or cooling thermostat without system or fan switching. 5 69-0563-2
Owner's Manual
Page 6
13 Q682 SUBBASE. Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat. 13 R G FAN ON AUTO O B W Y HEAT COOL OFF M1551 6 69-0563-2
13 Q682 SUBBASE. Provides mounting base, wiring connections and manual switching control for heating/cooling thermostat. 13 R G FAN ON AUTO O B W Y HEAT COOL OFF M1551 6 69-0563-2
Owner's Manual
Page 14
fuse or circuit breaker. furnace power switch. Off. - R and W thermostat connections. Troubleshooting Your Honeywell thermostat requires little or no attention. Move system switch to furnace. Relight pilot flame per furnace manufacturers instructions. - Turn On power. (continued) 14 69-0563-2 ... can generally be Move switch to the following: Problem Check Action No heat. - pilot flame. Check for correct terminal hookups. Repair any frayed or broken wires. If blown or tripped, replace fuse or reset breaker. - Turn Off power to HEAT position. system switch.
fuse or circuit breaker. furnace power switch. Off. - R and W thermostat connections. Troubleshooting Your Honeywell thermostat requires little or no attention. Move system switch to furnace. Relight pilot flame per furnace manufacturers instructions. - Turn On power. (continued) 14 69-0563-2 ... can generally be Move switch to the following: Problem Check Action No heat. - pilot flame. Check for correct terminal hookups. Repair any frayed or broken wires. If blown or tripped, replace fuse or reset breaker. - Turn Off power to HEAT position. system switch.
Owner's Manual
Page 17
Action Move switch to ON position. Firmly tighten all terminal screws. Reset clock. (continued) 17 69-0563-2 Repair any frayed or broken wires. May be interrupted. condenser switch position. May be in OFF or HEAT position. - If fuse is Off. Make sure power is blown or breaker tripped, ...
Action Move switch to ON position. Firmly tighten all terminal screws. Reset clock. (continued) 17 69-0563-2 Repair any frayed or broken wires. May be interrupted. condenser switch position. May be in OFF or HEAT position. - If fuse is Off. Make sure power is blown or breaker tripped, ...
Owner's Manual
Page 18
Timer does not run. - filter. Safety limit on safety. voltage across the C and R terminals. high limit control. Replace filter and reset clock. Wire separate transformer to system. - May be Off on equipment may be clogged. If clock powered through system transformer, power to page 19 for cause and ...
Timer does not run. - filter. Safety limit on safety. voltage across the C and R terminals. high limit control. Replace filter and reset clock. Wire separate transformer to system. - May be Off on equipment may be clogged. If clock powered through system transformer, power to page 19 for cause and ...
Owner's Manual
Page 20
... 2. Free or replace limit switch. 4. Install transformer with subbase terminals. 2. Transformer supplying power is Off. 2. Short in timer power supply wiring. 3. Use additional (separate) transformer. 2. Rebend spring fingers to a 45 degree angle to 15 Vac. 1. System power is burned out.... Action 1. Spring fingers on thermostat not making proper contact with proper secondary voltage. 1. Replace wiring. 3. Timer has failed. Additional (separate) transformer used to 30 Vac. 1. System transformer used to power the timer has inadequate ...
... 2. Free or replace limit switch. 4. Install transformer with subbase terminals. 2. Transformer supplying power is Off. 2. Short in timer power supply wiring. 3. Use additional (separate) transformer. 2. Rebend spring fingers to a 45 degree angle to 15 Vac. 1. System power is burned out.... Action 1. Spring fingers on thermostat not making proper contact with proper secondary voltage. 1. Replace wiring. 3. Timer has failed. Additional (separate) transformer used to 30 Vac. 1. System transformer used to power the timer has inadequate ...
Installation Instructions
Page 1
...wire valves require an R8239A1052 Isolating Relay in the thermostat control circuit.a, b Oil • Assure that contains mercury in the thermostat control circuit.a Fan Coil Unit • Compatible. D.F. • Rev. 11-94 • 1 • ©Honeywell Inc. 1994 • Form Number6699--00556644--3 M3375 T8195B... control contains mercury in the thermostat control circuit.a Check control amperage requirement. Hot Water Zone • Honeywell 2-wire valves are compatible. This thermostat is accessible for heat pump compressor control. No hazard exists. Preparation Check...
...wire valves require an R8239A1052 Isolating Relay in the thermostat control circuit.a, b Oil • Assure that contains mercury in the thermostat control circuit.a Fan Coil Unit • Compatible. D.F. • Rev. 11-94 • 1 • ©Honeywell Inc. 1994 • Form Number6699--00556644--3 M3375 T8195B... control contains mercury in the thermostat control circuit.a Check control amperage requirement. Hot Water Zone • Honeywell 2-wire valves are compatible. This thermostat is accessible for heat pump compressor control. No hazard exists. Preparation Check...
Installation Instructions
Page 2
... with good air circulation at average temperature. Do not overtighten thermostat captive mounting screws because damage to the subbase. 3. Run wires from the sun or appliances. - Remove the thermostat cover by : - Use spirit level to prevent electrical shock or equipment...it may interfere with the three screws. Fig. 2-Mounting wallplate or subbase to the control transformer common (e.g., a typical 2-wire heating system requires three wires be a trained experienced service technician. 3. Before unpacking, refer to follow them could cause a hazardous condition. 2. Installation ...
... with good air circulation at average temperature. Do not overtighten thermostat captive mounting screws because damage to the subbase. 3. Run wires from the sun or appliances. - Remove the thermostat cover by : - Use spirit level to prevent electrical shock or equipment...it may interfere with the three screws. Fig. 2-Mounting wallplate or subbase to the control transformer common (e.g., a typical 2-wire heating system requires three wires be a trained experienced service technician. 3. Before unpacking, refer to follow them could cause a hazardous condition. 2. Installation ...
Installation Instructions
Page 3
... the instructions provided with nonhardening caulk, putty, or nonflammable insulation to Fig. 5, and strip the thermostat wire insulation as necessary. WIRE WALLPLATE OR SUBBASE Follow the instructions provided by the heating, cooling or heating/cooling equipment manufacturer. Wallplate (... 2 WALLPLATE M856 O B W R Y G SUBBASE OR WALLPLATE 1 NOT INCLUDED WITH UNIT. 2 ACCESSORY PARTS AVAILABLE. NOTE: All wiring must comply with two screws. Push excess wire back into the wall. PLUMB LINE PLUMB BOB OR WEIGHT SPIRIT LEVEL R G FAN ON AUTO O B W Y HEAT COOL OFF ...
... the instructions provided with nonhardening caulk, putty, or nonflammable insulation to Fig. 5, and strip the thermostat wire insulation as necessary. WIRE WALLPLATE OR SUBBASE Follow the instructions provided by the heating, cooling or heating/cooling equipment manufacturer. Wallplate (... 2 WALLPLATE M856 O B W R Y G SUBBASE OR WALLPLATE 1 NOT INCLUDED WITH UNIT. 2 ACCESSORY PARTS AVAILABLE. NOTE: All wiring must comply with two screws. Push excess wire back into the wall. PLUMB LINE PLUMB BOB OR WEIGHT SPIRIT LEVEL R G FAN ON AUTO O B W Y HEAT COOL OFF ...
Installation Instructions
Page 4
... affecting thermostat operation. STRIP 7/16 in heat. G Fan control circuit. Place the two tabs on the top inside edge of the base (Fig. 6). Push excess wire back into the top of the cover into the mounting slots in the thermostat base (Fig. 9). TAB (2) MOUNTING SLOT (2) 4 3 2 1 12 5 9 8 76 11 10 9 8 7 10 12...
... affecting thermostat operation. STRIP 7/16 in heat. G Fan control circuit. Place the two tabs on the top inside edge of the base (Fig. 6). Push excess wire back into the top of the cover into the mounting slots in the thermostat base (Fig. 9). TAB (2) MOUNTING SLOT (2) 4 3 2 1 12 5 9 8 76 11 10 9 8 7 10 12...
Installation Instructions
Page 6
...Leave Owner's Manual and Assistance Information in a convenient place for any position. Typical Wiring Diagrams Follow the hookup diagram supplied with other appliance manuals. REMEMBER: Your wiring must follow local electrical codes and ordinances. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS ...REQUIRED. The cooling equipment and the fan should shut off . Reset both the temperature setting levers to the desired temperatures. Allow for T8195B Thermostat...
...Leave Owner's Manual and Assistance Information in a convenient place for any position. Typical Wiring Diagrams Follow the hookup diagram supplied with other appliance manuals. REMEMBER: Your wiring must follow local electrical codes and ordinances. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS ...REQUIRED. The cooling equipment and the fan should shut off . Reset both the temperature setting levers to the desired temperatures. Allow for T8195B Thermostat...