Honeywell CT500 Owner's Manual

Honeywell CT500 Manual

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  • Honeywell CT500 | Owner's Manual - Page 1
    CT500 Electronic Thermostat OWNER'S GUIDE MERCURY NOTICE If this control is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Dispose of it properly. Contact your local waste management authority for instructions regarding recycling and the
  • Honeywell CT500 | Owner's Manual - Page 2
    when handling wires during installation. Damage to heating/cooling system possible. Disconnect power at furnace or at main breaker/ fuse box before starting operation. ❑ Carefully unpack your new thermostat, wallplate, and decorator cover plate; save package of screws, instructions and receipt
  • Honeywell CT500 | Owner's Manual - Page 3
    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. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M14872 Fig. 4. CT500 wiring diagram, 4-wire heat/cool system. CT500A W Y G R WALL
  • Honeywell CT500 | Owner's Manual - Page 4
    both sides and pull it straight out. ❑ Restore power to the heating/cooling system. FOR WRAPAROUND, STRIP 7/16 IN. (11 mm) FOR STRAIGHT INSERTION, STRIP 5/16 IN. (8 mm) M12537 Fig. 7. CT500 methods for wiring connection. 6 OPERATE YOUR THERMOSTAT Display Temperature Setting a. Press ▼ or ▲ once to
  • Honeywell CT500 | Owner's Manual - Page 5
    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. M11020A Fan Switch ❑ The Fan switch settings are: On: The fan runs
  • Honeywell CT500 | Owner's Manual - Page 6
    CT500 ELECTRONIC THERMOSTAT 4. Press the ▲ key again to display °C or °F. 7. Press the ▲ key to display heating/cooling temperature control default. M14688 5. Press the ▼ key to change the °C or °F indication. M14689 6. Press the ▲ key to display the heat cycle rate of 1, 3, 4, 5, 6, 9, or 12. To
  • Honeywell CT500 | Owner's Manual - Page 7
    CT500 ELECTRONIC THERMOSTAT 10 TROUBLESHOOTING See Table 3 to troubleshoot your thermostat. Table 3. Troubleshooting Your Thermostat. Symptom Heating/cooling equipment does not operate. Partial display. No display. Temperature display is incorrect. Cannot change temperature setting. Snowflake is
  • Honeywell CT500 | Owner's Manual - Page 8
    CT500 ELECTRONIC THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5°C) DECREASE* 6 TO 8% 9 TO 11% 12 TO 13% 14 TO 15% 16 TO 18% HEAT PERCENT OF COOLING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5°C) INCREASE* 7 TO 9% 10 TO 11% 12 TO 14% 14 TO 19% COOL * YOUR
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® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
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• All Rights Reserved
OWNER'S GUIDE
69-1525-2
CT500 Electronic Thermostat
Non-programmable Heat and/or Cool
Low Voltage (20 to 30 Vac) Thermostat and Wallplate
Model CT500
Congratulations on purchasing your new thermostat!
More than 100 years of engineering expertise enabled
this thermostat to provide you with a more comfortable
and convenient living environment.
Direct any questions about 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 pm, Central time.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of it properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of an old control. If you have
questions, call Honeywell at 1-800-458-1502.
1 PREPARE FOR INSTALLATION
Check Table 1 to be sure this thermostat is compatible
with your system. If not, return it to the retailer. For
more information, call Honeywell at 1-800-468-1502.
Acquire tool and items as needed. See Fig. 1.
Fig. 1. Required installation tools and supplies.
M18920
CROSS-RECESSED
SCREWDRIVER
HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED TO
DRILL HOLES IN WALL
WIRE CUTTER/STRIPPER OR SHARP
KNIFE, IF NEEDED TO STRIP WIRES
LEVEL, IF NEEDED TO LEVEL
THERMOSTAT FOR APPEARANCE