Honeywell TH8320ZW Manuale Utente

•  Press 

SYSTEM to set system to Heat. Make sure the temperature is set 

higher than the Inside temperature.

•  Press 

SYSTEM to set system to Cool. Make sure the temperature is set 

lower than the Inside temperature.

•  Check circuit breaker and reset if necessary.
•  Make sure power switch at heating & cooling system is on.
•  Make sure furnace door is closed securely.
•  If “Wait” is displayed, the compressor protection timer is on. Wait 

5 minutes for the system to restart safely, without damaging the 

compressor.

•  This is normal operation. Auto indicates the thermostat is following the 

programmed fan setting. If Auto and On is shown, the fan is scheduled for 
“On” during this period (see page 7).