Honeywell CT87A Round Thermostat Instruction Manual
CT87A,B,J ROUND® THERMOSTAT
Check cooling
IMPORTANT: To avoid damaging the compressor in the air conditioner,
do not operate the cooling system when the outdoor temperature is
below 50°F (10°C).
1. If your CT87 has a subbase, set the System switch on the left to
Cool.
IMPORTANT: After heating is tested, wait five minutes before switch-
ing to Cool on the CT87J model.
2. Lower the temperature setting below room temperature. The cooling
system should start.
3. Raise the temperature setting above room temperature. The cooling
system should stop.
Operation
To set the temperature, turn the dial until the pointer on the top setting scale aligns with
the desired temperature.
CT87B, J switches
Switch
Setting
Result
System Cool
The thermostat controls your cooling system.
Both the heating and cooling systems are off.
The thermostat controls your heating system.
The fan runs continuously.
Off
Heat
Fan
On
Auto
The fan runs only with the heating or cooling
system.
11
69-0274-6
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell CT87A Round Thermostat Instruction Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.29 MB |

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