Owner's Manual
Page 5
Provides mounting base and wiring connections for program pin insertion. 11 MERCURY BULB AND BIMETAL ELEMENT (2). 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 5 6 9 11 12 M8744 10 8 7 M8745 10 PIN SLOTS. Located on and off. 12 WALLPLATE.
Provides mounting base and wiring connections for program pin insertion. 11 MERCURY BULB AND BIMETAL ELEMENT (2). 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 5 6 9 11 12 M8744 10 8 7 M8745 10 PIN SLOTS. Located on and off. 12 WALLPLATE.
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
.... May be traced to ON. R and W thermostat connections. Turn On power. (continued) 14 69-0563-2 system switch. Off. - Repair any frayed or broken wires. If blown or tripped, replace fuse or reset breaker. - May be out. Troubleshooting Your Honeywell thermostat requires little or no attention. Relight pilot flame per furnace manufacturers instructions. -
.... May be traced to ON. R and W thermostat connections. Turn On power. (continued) 14 69-0563-2 system switch. Off. - Repair any frayed or broken wires. If blown or tripped, replace fuse or reset breaker. - May be out. Troubleshooting Your Honeywell thermostat requires little or no attention. Relight pilot flame per furnace manufacturers instructions. -
Owner's Manual
Page 17
Troubleshooting (continued) Problem Check No cooling. 1 - May be interrupted. May be in OFF or HEAT position. - Repair any frayed or broken wires. Firmly tighten all terminal screws. system switch. fuse or circuit breaker. - Move to cooling system. Reset clock. (continued) 17 69-0563-2 Turn Off power to ...
Troubleshooting (continued) Problem Check No cooling. 1 - May be interrupted. May be in OFF or HEAT position. - Repair any frayed or broken wires. Firmly tighten all terminal screws. system switch. fuse or circuit breaker. - Move to cooling system. Reset clock. (continued) 17 69-0563-2 Turn Off power to ...
Owner's Manual
Page 18
Safety limit on safety. Remove the thermostat from the wallplate or subbase, and measure the voltage. high limit control. May be Off on equipment may be clogged. Wire separate transformer to page 19 for cause and action. (continued) 18 69-0563-2 voltage across the C and R terminals. Replace filter and reset clock. If clock powered through system transformer, power to clock and equipment may cut off power to system. - Timer does not run. - Troubleshooting (continued) Problem Timer is losing time (continued). Check Action - filter. Refer to power clock.
Safety limit on safety. Remove the thermostat from the wallplate or subbase, and measure the voltage. high limit control. May be Off on equipment may be clogged. Wire separate transformer to page 19 for cause and action. (continued) 18 69-0563-2 voltage across the C and R terminals. Replace filter and reset clock. If clock powered through system transformer, power to clock and equipment may cut off power to system. - Timer does not run. - Troubleshooting (continued) Problem Timer is losing time (continued). Check Action - filter. Refer to power clock.
Owner's Manual
Page 20
Short in timer power supply wiring. 3. Restore power. 2. Use additional (separate) transformer. 2. Transformer supplying power is Off. 2. Additional (separate) transformer used to 30 Vac. 1. Timer has failed. Free or replace limit ... the timer has inadequate voltage. 15 to power the timer is inadequate. 2. Spring fingers on thermostat not making proper contact with proper secondary voltage. 1. Replace wiring. 3. Replace thermostat. 20 69-0563-2 Voltage at Timer Terminals Ac Voltage at C-R Terminals Possible Cause Check 0 Vac 1.
Short in timer power supply wiring. 3. Restore power. 2. Use additional (separate) transformer. 2. Transformer supplying power is Off. 2. Additional (separate) transformer used to 30 Vac. 1. Timer has failed. Free or replace limit ... the timer has inadequate voltage. 15 to power the timer is inadequate. 2. Spring fingers on thermostat not making proper contact with proper secondary voltage. 1. Replace wiring. 3. Replace thermostat. 20 69-0563-2 Voltage at Timer Terminals Ac Voltage at C-R Terminals Possible Cause Check 0 Vac 1.