To Operate Harmony II® control:
Choose either Central or Zone mode.
Central Mode: Heating and cooling to all zones. 1− Press Central button on control panel.
2− Choose either Heat or Cool or Auto button on control panel.
3− Choose either Fan Auto or Fan On button on control panel. The Fan switch on all thermostats will be inoperable. The fan is controlled at the control panel.
4− Set the zone 1 master thermostat at the same position (HEAT or COOL or AUTO) as the control panel. If your thermostat system does not have an auto−changeover selection, set the control panel in AUTO and the zone 1 thermostat in either HEAT or COOL. (Do not adjust other zone thermostats since they are non−functional in Central mode.)
5− Set thermostat to desired room temperature. Zone Mode: Heating and cooling to specific zones. 1− Press Zone button on control panel.
2− Choose either Heat or Cool or Auto button on control panel.
3− Choose either Fan Auto or Fan On button on control panel. The Fan switch on all thermostat will be inoperable. The fan is controlled at the control panel.
4− Set each zone thermostat at the same position (HEAT or COOL or AUTO) as the control panel. If your thermostats do not have an auto−changeover selection, set the control panel in AUTO and the zone thermostats in either HEAT or COOL.
5− Set thermostats to desired room temperature.
Harmony II® Control Panel
Press Zone for specific zones to |
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Press Cool to allow cooling only. |
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stat should also be set at Cool. For |
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Zone mode, all thermostats should |
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| off Harmony II control. | ||||||
also be set at Cool. |
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Press Auto to allow either cooling or heating, depending on the need. For Central mode, Zone 1 thermostat should also be set at Auto. For Zone mode, all thermostats should also be set at Auto. If your thermostats are not equipped with an Auto setting, place control panel in Auto and ther- mostats in either Heat or Cool.
Harmony II 
Press Heat to allow heating only. For Central mode, Zone 1 thermo- stat should also be set at Heat. For Zone mode, all thermostats should also be set at Heat.
Red service light flashes from be- hind the control panel cover when system requires service. Error codes will be stored in control center for readout by technician only.
Press Fan Auto to allow blower to run only while system is | Press Fan On to allow blower to run continuously to circulate air. The |
supplying conditioned air. The blower will cycle on and off | fan will keep running in this mode until the Fan Auto button is |
according to the demand for heating or cooling. By cycling on | pressed. Fan On tends to mix the air from different zones and effi- |
and off, air from different zones is not mixed and better effi- | ciency may suffer if Fan On option is used on a regular basis. |
ciencies are achieved. |
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