Honeywell CT87A Owner's Manual - Page 11
Check cooling, CT87B, J switches, Operation, IMPORTANT - thermostat settings
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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 switching 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 System Fan Setting Result Cool Off The thermostat controls your cooling system. Both the heating and cooling systems are off. Heat On Auto The thermostat controls your heating system. The fan runs continuously. The fan runs only with the heating or cooling system. 11 69-0274-6