Honeywell 4500 Thermostat User Manual


 
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Front Panel Controls
As you can see from Figure 1 below, there are two controls and one
indicator on the front panel of the 4500 thermostat:
HEAT <> COOL BYPASS <> ACTIVE
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Figure 1. 4500 Thermostat Controls and Indicator
1. HEAT/COOL Switch
This switch is used to set the control mode of the 4500 thermostat.
The mode can be set to either HEAT or COOL. This is the same as
found on most thermostats. For premises that only have heat or air
conditioning but not both, the proper mode should be selected with
this switch, and the setting should not be changed.
2. ACTIVE/BYPASS Switch
This switch is used to activate and deactivate the 4500 thermostat.
When this switch is set to the ACTIVE mode, the 4500 thermostat is
able to set back the room temperature when the security system is
ARMED AWAY. BYPASS is used to bypass the 4500 thermostat.
When bypassed, the 4500 thermostat cannot change the room
temperature.
To use fan alone on your thermostat, put the 4500 in the BYPASS position.
You will not be able to adjust room temperature by phone when the 4500
thermostat front panel switch is in BYPASS position.