Owner's Manual
Page 58
Built-in Compressor Protection The RTH8500D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off. The minimum-off timer ... FAN AUTO Inside SYSTEM HEAT AM COOL PM Set To WaitCool Following Schedule SCHED HOLD CLOCK SCREEN MORE M22244 When the minimum-off timer, the thermostat shows "Wait" in the display and the compressor and fan turn on. _________ aHeat Pumps only. 69-1725-1 58 If there is activated after a shutdown...
Built-in Compressor Protection The RTH8500D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off. The minimum-off timer ... FAN AUTO Inside SYSTEM HEAT AM COOL PM Set To WaitCool Following Schedule SCHED HOLD CLOCK SCREEN MORE M22244 When the minimum-off timer, the thermostat shows "Wait" in the display and the compressor and fan turn on. _________ aHeat Pumps only. 69-1725-1 58 If there is activated after a shutdown...
Owner's Manual
Page 59
...blank. Temperature settings Check that the temperature settings are installed as marked on . • Check the furnace door to be sure it is on the thermostat. System key. • Check the heat temperature setting to be sure it is set above the room temperature and "Heat On" shows solidly in ... be sure it is not tripped. • Check the power switch at heating and/or cooling system to be sure it is closed securely. • Wait five minutes for the heating system to respond. • If all of the Verify that fresh AAA alkaline batteries are : do not change. •...
...blank. Temperature settings Check that the temperature settings are installed as marked on . • Check the furnace door to be sure it is on the thermostat. System key. • Check the heat temperature setting to be sure it is set above the room temperature and "Heat On" shows solidly in ... be sure it is not tripped. • Check the power switch at heating and/or cooling system to be sure it is closed securely. • Wait five minutes for the heating system to respond. • If all of the Verify that fresh AAA alkaline batteries are : do not change. •...
Owner's Manual
Page 60
... setting to Cool and set System setting to turn on " in the Troubleshooting Tips. If "Cool On" is not shown in the Troubleshooting Tips. "Wait" shows in Heating, and make sure it is not shown in setting matches the changeover required by the cool mode (heat the installed heat pump.... Wait up to (electric furnaces Electric Heat. Fan does not turn on . pumps only). only). Both the heating and Check Installer Setup Number 0170, Heating ...
... setting to Cool and set System setting to turn on " in the Troubleshooting Tips. If "Cool On" is not shown in the Troubleshooting Tips. "Wait" shows in Heating, and make sure it is not shown in setting matches the changeover required by the cool mode (heat the installed heat pump.... Wait up to (electric furnaces Electric Heat. Fan does not turn on . pumps only). only). Both the heating and Check Installer Setup Number 0170, Heating ...