Owner's Manual
Page 1
Installation Instructions Compatible with: Heating/Cooling system CT87A CT87B CT87J Heating only: Gas or oil fueled warm air, steam, or hot Yes water heat Yes No Cooling only: Electric air conditioning Yes* Yes Yes ... the correct thermostat Using the compatibility chart below, verify that you are unsure which model is compatible with 2-wire cooling-only systems. ® U.S. No No * CT87A is right for your system, visit www.honeywell.com/ yourhome or call Honeywell Customer Care at 1-800-468-1502. No Yes Electric heat furnace with or without...
Installation Instructions Compatible with: Heating/Cooling system CT87A CT87B CT87J Heating only: Gas or oil fueled warm air, steam, or hot Yes water heat Yes No Cooling only: Electric air conditioning Yes* Yes Yes ... the correct thermostat Using the compatibility chart below, verify that you are unsure which model is compatible with 2-wire cooling-only systems. ® U.S. No No * CT87A is right for your system, visit www.honeywell.com/ yourhome or call Honeywell Customer Care at 1-800-468-1502. No Yes Electric heat furnace with or without...
Owner's Manual
Page 2
... handling may need to the heating/cooling system at the main fuse/circuit breaker panel. 2. round head screws • Wallplate (CT87A) or subbase (CT87B, CT87J) • Cover ring (select models only). Locate the heat anticipator adjustment scale and lever on . 3. drill bit • Wire cutter/stripper or sharp knife • Pencil 3 Remove...
... handling may need to the heating/cooling system at the main fuse/circuit breaker panel. 2. round head screws • Wallplate (CT87A) or subbase (CT87B, CT87J) • Cover ring (select models only). Locate the heat anticipator adjustment scale and lever on . 3. drill bit • Wire cutter/stripper or sharp knife • Pencil 3 Remove...
Owner's Manual
Page 11
... system. Raise the temperature setting above room temperature. If your CT87 has a subbase, set the temperature, turn the dial until the pointer on the CT87J model. 2. CT87B, J switches Switch System Fan Setting Result Cool Off The thermostat controls your heating system. CT87A,B,J ROUND® THERMOSTAT Check cooling IMPORTANT: To avoid damaging the...
... system. Raise the temperature setting above room temperature. If your CT87 has a subbase, set the temperature, turn the dial until the pointer on the CT87J model. 2. CT87B, J switches Switch System Fan Setting Result Cool Off The thermostat controls your heating system. CT87A,B,J ROUND® THERMOSTAT Check cooling IMPORTANT: To avoid damaging the...