41652_model44760_web.pmd
32
| OPERATION | 32 | |
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| Power Switch |
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| The Power switch on the front of the thermostat determines the operating mode of the thermostat. |
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| You may select ON, OFF or Emergency Heat (EM). When the Power Switch is OFF, all outputs are posi- | on off em | |
| tively disconnected from the system. |
NOTE: Anytime you install or remove the thermostat from the wallplate, slide the Power
Switch to the OFF position to prevent the possibility of a rapid system On-Off.
System Selection Key
system | ■ Press to select the desired system. |
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■When Auto is selected, the system will change between Heat and Cool automatically. Refer to the Auto Season Changeover section on page 39.
NOTE: The default system selection at
System
System
System
System
33
Fan Key | 33 |
fan | ■ Press to set the fan operation. | |
■ AUTO: the fan will turn on with the system. | ||
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Fan
ON: the fan will run continuously.
PGM Auto or ON: (Programmable Fan) The fan will select AUTO or ON, depending on the setting in the programs. Refer to the Program Option section on page 30.
NOTE: The fan must be set to “PGM” for the fan’s program settings to take effect.
Fan
Fan
Fan