Owner's Manual
Page 1
...-2 See Fig. 1. Direct any questions about this thermostat to 30 Vac) Thermostat and Wallplate Model CT500 Congratulations on purchasing your system. CT500 Electronic Thermostat OWNER'S GUIDE MERCURY NOTICE If this control is compatible with a more information, call Honeywell at 1-800-468-1502. ❑ Acquire tool and items as needed. Dispose of engineering expertise...
...-2 See Fig. 1. Direct any questions about this thermostat to 30 Vac) Thermostat and Wallplate Model CT500 Congratulations on purchasing your system. CT500 Electronic Thermostat OWNER'S GUIDE MERCURY NOTICE If this control is compatible with a more information, call Honeywell at 1-800-468-1502. ❑ Acquire tool and items as needed. Dispose of engineering expertise...
Owner's Manual
Page 2
... of screws, instructions and receipt. ❑ Remove the cover from old thermostat or subbase. Not compatible with your system, call the Honeywell Customer Relations Center at main breaker/ fuse box before starting operation. ❑ Carefully unpack your new thermostat, wallplate, and decorator cover plate... (120/240 Line Volt) Heat Pumps/Multistage Equipment Yesa Yes Yesa,b No Yesb Yes No Yes No No Compatible with CT500 Not compatible with 2-wire Honeywell zone valves. If either does not work with 2-wire White-Rodgers no. 1361 zone valves. Wrapping wires around a pencil...
... of screws, instructions and receipt. ❑ Remove the cover from old thermostat or subbase. Not compatible with your system, call the Honeywell Customer Relations Center at main breaker/ fuse box before starting operation. ❑ Carefully unpack your new thermostat, wallplate, and decorator cover plate... (120/240 Line Volt) Heat Pumps/Multistage Equipment Yesa Yes Yesa,b No Yesb Yes No Yes No No Compatible with CT500 Not compatible with 2-wire Honeywell zone valves. If either does not work with 2-wire White-Rodgers no. 1361 zone valves. Wrapping wires around a pencil...
Owner's Manual
Page 3
...heating only and can operate the fan using the Fan On switch, this thermostat works with your new 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. For firmer wall...(IF DRYWALL) OR 7/32 (PLASTER OR WOOD) WHEN USING WALL ANCHORS. holes in . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. CT500 wiring diagram, 4-wire heat/cool system. Mounting decorator cover plate and wallplate to the wall. ❑ Remove the decorator cover plate and ...
...heating only and can operate the fan using the Fan On switch, this thermostat works with your new 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. For firmer wall...(IF DRYWALL) OR 7/32 (PLASTER OR WOOD) WHEN USING WALL ANCHORS. holes in . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. CT500 wiring diagram, 4-wire heat/cool system. Mounting decorator cover plate and wallplate to the wall. ❑ Remove the decorator cover plate and ...
Owner's Manual
Page 4
...Press ▼ or ▲ once to latch. Fig. 9 for wiring connection. 6 OPERATE YOUR THERMOSTAT Display Temperature Setting a. CT500 wallplate wiring connections. CT500 methods for switch locations. 69-1525-2 4 The temperature setpoint and the room temperature are shown separately on both sides and pull.... 5 MOUNT THERMOSTAT TO WALLPLATE ❑ Align the tab and connector pins at the bottom of the thermostat with the wallplate. CT500 ELECTRONIC THERMOSTAT KEEP WIRING IN SHADED AREA ALTERNATE MOUNTING SCREW HOLE DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT W Y G R ...
...Press ▼ or ▲ once to latch. Fig. 9 for wiring connection. 6 OPERATE YOUR THERMOSTAT Display Temperature Setting a. CT500 wallplate wiring connections. CT500 methods for switch locations. 69-1525-2 4 The temperature setpoint and the room temperature are shown separately on both sides and pull.... 5 MOUNT THERMOSTAT TO WALLPLATE ❑ Align the tab and connector pins at the bottom of the thermostat with the wallplate. CT500 ELECTRONIC THERMOSTAT KEEP WIRING IN SHADED AREA ALTERNATE MOUNTING SCREW HOLE DASHED LINES INDICATE TABS ON BACK OF THERMOSTAT W Y G R ...
Owner's Manual
Page 5
...switch to the desired system setting. 8 CHECK OPERATION AFTER INSTALLATION/PROGRAMMING CAUTION Compressor Damage Hazard. M14687 5 69-1525-2 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. CT500 temperature display and System/Fan switches. Slide the switch on the display and to lower the temperature setting below 50°...
...switch to the desired system setting. 8 CHECK OPERATION AFTER INSTALLATION/PROGRAMMING CAUTION Compressor Damage Hazard. M14687 5 69-1525-2 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. CT500 temperature display and System/Fan switches. Slide the switch on the display and to lower the temperature setting below 50°...
Owner's Manual
Page 6
...-2 6 NOTE: After exiting installer setup mode, slide the System switch to the desired position and change heating/cooling temperature control to scroll between 1, 3, 4, 5, 6, 9, or 12. CT500 ELECTRONIC THERMOSTAT 4. Press the ▲ key to display the heat cycle rate of 1, 3, 4, 5, 6, 9, or 12. See Table 2 for the cycle rate options and the corresponding...
...-2 6 NOTE: After exiting installer setup mode, slide the System switch to the desired position and change heating/cooling temperature control to scroll between 1, 3, 4, 5, 6, 9, or 12. CT500 ELECTRONIC THERMOSTAT 4. Press the ▲ key to display the heat cycle rate of 1, 3, 4, 5, 6, 9, or 12. See Table 2 for the cycle rate options and the corresponding...
Owner's Manual
Page 7
... change the display. Thermostat mounted See Mount Thermostat to heating/cooling equipment: - Troubleshooting Your Thermostat. The upper or lower temperature limits were reached. Incorrect wiring. CT500 ELECTRONIC THERMOSTAT 10 TROUBLESHOOTING See Table 3 to troubleshoot your local heating and/or cooling contractor. 7 69-1525-2 Thermostat minimumoff times operating for cooling. If still...
... change the display. Thermostat mounted See Mount Thermostat to heating/cooling equipment: - Troubleshooting Your Thermostat. The upper or lower temperature limits were reached. Incorrect wiring. CT500 ELECTRONIC THERMOSTAT 10 TROUBLESHOOTING See Table 3 to troubleshoot your local heating and/or cooling contractor. 7 69-1525-2 Thermostat minimumoff times operating for cooling. If still...
Owner's Manual
Page 8
CT500 ELECTRONIC THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5...not apply if it carefully, along with a bill of sale or other rights which vary from defects in U.S.A. Honeywell's sole responsibility shall be free from state to you . THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF...OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-...
CT500 ELECTRONIC THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5...not apply if it carefully, along with a bill of sale or other rights which vary from defects in U.S.A. Honeywell's sole responsibility shall be free from state to you . THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF...OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-...