Owner's Manual
Page 1
... convenient living environment. More than 100 years of engineering expertise enabled this thermostat is replacing a control that contains mercury in a sealed tube, do not place your system. CT500 Electronic Thermostat OWNER'S GUIDE MERCURY NOTICE If this thermostat to the Honeywell Customer Relations Center at www.honeywell.com/yourhome or 1-800-468-1502, Monday - Friday, 7:00 am - 5:30...
... convenient living environment. More than 100 years of engineering expertise enabled this thermostat is replacing a control that contains mercury in a sealed tube, do not place your system. CT500 Electronic Thermostat OWNER'S GUIDE MERCURY NOTICE If this thermostat to the Honeywell Customer Relations Center at www.honeywell.com/yourhome or 1-800-468-1502, Monday - Friday, 7:00 am - 5:30...
Owner's Manual
Page 2
...or two wires that go to heating/cooling system possible. Six or More Wires If there are replacing a Honeywell Chronotherm® Thermostat, you can damage your retailer. Millivolt Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard ...designation. Record the colors and terminal designation labels of the remaining wires. The thermostat is below 50°F (10°C). As you local heating/air conditioning dealer. CT500 ELECTRONIC THERMOSTAT Table 1. To avoid compressor damage, do not wrap them separately using electrical tape...
...or two wires that go to heating/cooling system possible. Six or More Wires If there are replacing a Honeywell Chronotherm® Thermostat, you can damage your retailer. Millivolt Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard ...designation. Record the colors and terminal designation labels of the remaining wires. The thermostat is below 50°F (10°C). As you local heating/air conditioning dealer. CT500 ELECTRONIC THERMOSTAT Table 1. To avoid compressor damage, do not wrap them separately using electrical tape...
Owner's Manual
Page 3
...Level for typical system wiring diagrams. 1 L1 (HOT) 24V L2 HEATING PRIMARY CONTROL 1 POWER SUPPLY. Use a pencil to wire the thermostat. DECORATOR COVER PLATE WALL 1 2 CT500 ELECTRONIC THERMOSTAT CT500A W Y G R COOLING CONTACTOR 1 L1 (HOT) 24V L2 HEATING PRIMARY CONTROL FAN RELAY 1 POWER SUPPLY. DECORATOR COVER PLATE... heating/ cooling system and is powered through the wiring opening. Tighten the mounting screws. 4 WIRE WALLPLATE TERMINALS The CT500 Thermostat is adaptable to most 4-wire, 18 to 30 Vac heating-cooling systems. Refer to help prevent drafts from the ...
...Level for typical system wiring diagrams. 1 L1 (HOT) 24V L2 HEATING PRIMARY CONTROL 1 POWER SUPPLY. Use a pencil to wire the thermostat. DECORATOR COVER PLATE WALL 1 2 CT500 ELECTRONIC THERMOSTAT CT500A W Y G R COOLING CONTACTOR 1 L1 (HOT) 24V L2 HEATING PRIMARY CONTROL FAN RELAY 1 POWER SUPPLY. DECORATOR COVER PLATE... heating/ cooling system and is powered through the wiring opening. Tighten the mounting screws. 4 WIRE WALLPLATE TERMINALS The CT500 Thermostat is adaptable to most 4-wire, 18 to 30 Vac heating-cooling systems. Refer to help prevent drafts from the ...
Owner's Manual
Page 4
... SYSTEM SWITCHES Manually control fan and system settings using the switches located at the top of the thermostat case. CT500 ELECTRONIC THERMOSTAT KEEP WIRING IN SHADED AREA ALTERNATE MOUNTING SCREW HOLE DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT W Y G R MOUNTING SCREW HOLE ALTERNATE MOUNTING SCREW HOLE WIRING ENTRANCE HOLE MOUNTING SCREW HOLE M14874 Fig. 6. M11025B...
... SYSTEM SWITCHES Manually control fan and system settings using the switches located at the top of the thermostat case. CT500 ELECTRONIC THERMOSTAT KEEP WIRING IN SHADED AREA ALTERNATE MOUNTING SCREW HOLE DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT W Y G R MOUNTING SCREW HOLE ALTERNATE MOUNTING SCREW HOLE WIRING ENTRANCE HOLE MOUNTING SCREW HOLE M14874 Fig. 6. M11025B...
Owner's Manual
Page 5
...to change the heating cycle rate to match your heating equipment and choose Fahrenheit (F°) or Celsius (°C). TEMPERATURE DISPLAY CT500 ELECTRONIC THERMOSTAT Cooling System Set Room INCREASE SETTING DECREASE SETTING FAN Auto On SYSTEM Cool Off Heat FAN SWITCH SYSTEM SWITCH Fig. 9....9650; key to 52°F (11°C). CT500 temperature display and System/Fan switches. In heating, the fan is displayed. 1. Heat: The thermostat controls the heating system. ❑ Slide the System switch on the thermostat to lower the temperature setting below the room temperature...
...to change the heating cycle rate to match your heating equipment and choose Fahrenheit (F°) or Celsius (°C). TEMPERATURE DISPLAY CT500 ELECTRONIC THERMOSTAT Cooling System Set Room INCREASE SETTING DECREASE SETTING FAN Auto On SYSTEM Cool Off Heat FAN SWITCH SYSTEM SWITCH Fig. 9....9650; key to 52°F (11°C). CT500 temperature display and System/Fan switches. In heating, the fan is displayed. 1. Heat: The thermostat controls the heating system. ❑ Slide the System switch on the thermostat to lower the temperature setting below the room temperature...
Owner's Manual
Page 6
... save all changes, exit installer setup mode and return to C1 or C3. do not use Gas or oil forced air Electric heat Factory function - CT500 ELECTRONIC THERMOSTAT 4. M14688 5. aHigh-efficiency furnace. 69-1525-2 6
... save all changes, exit installer setup mode and return to C1 or C3. do not use Gas or oil forced air Electric heat Factory function - CT500 ELECTRONIC THERMOSTAT 4. M14688 5. aHigh-efficiency furnace. 69-1525-2 6
Owner's Manual
Page 7
CT500 ELECTRONIC THERMOSTAT 10 TROUBLESHOOTING See Table 3 to thermostat. Symptom Heating/cooling equipment does not operate. Snowflake is incorrect. System on thermostat not in customize See Customize Your Thermostat section to thermostat. System switch on indicator (flame=heat) is displayed, ... (37°C). check appropriate wiring diagram. Incorrect wiring. Consult equipment manfacturer instructions. Thermostat mounted See Mount Thermostat to the thermostat. Thermostat is coming from the registers. Wait a minute after the indicator starts flashing and then...
CT500 ELECTRONIC THERMOSTAT 10 TROUBLESHOOTING See Table 3 to thermostat. Symptom Heating/cooling equipment does not operate. Snowflake is incorrect. System on thermostat not in customize See Customize Your Thermostat section to thermostat. System switch on indicator (flame=heat) is displayed, ... (37°C). check appropriate wiring diagram. Incorrect wiring. Consult equipment manfacturer instructions. Thermostat mounted See Mount Thermostat to the thermostat. Thermostat is coming from the registers. Wait a minute after the indicator starts flashing and then...
Owner's Manual
Page 8
...INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR ... legal rights, and you . In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Dr, Scarborough, Ontario M1V4Z9. on how long an implied warranty lasts, so the above . CT500 ELECTRONIC THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F ...
...INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR ... legal rights, and you . In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Dr, Scarborough, Ontario M1V4Z9. on how long an implied warranty lasts, so the above . CT500 ELECTRONIC THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F ...