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Fan Test
1. Slide Fan switch to On position.
2. Indoor fan turns on.
Auto
On
Auto
On
3. Slide Fan switch to Auto position.
4. Indoor fan turns off.
(Testing the thermostat continued from Page 9)
The RT5 is a single-stage heat, single-stage cool thermostat.
The RT5 can use 24 VAC or batteries as a power supply. The RT5 can be hardwired and have no batteries installed in the
battery compartment. It can also run on battery power only. When batteries are installed and the thermostat is hardwired,
the batteries will run the thermostat during a power outage.
When operating on battery power, the backlight will be on for 5 second intervals. When hardwired, the backlight will be on
for 10 second intervals.
The thermostat activates a heating appliance when the room temperature is below the heat set temperature (by the
differential temperature). It will turn off when the room temperature is one degree above the heat set temperature. With
heat pumps, the thermostat will not let the compressor come on for fi ve minutes after it turns off. This protects your
compressor.
When the room temperature is greater than the cool set temperature (by the differential temperature), the cooling device
is activated. It will turn off when the room temperature is one degree below the cool set temperature. The thermostat will
not let the compressor come on for fi ve minutes after it turns off. This protects your compressor.
The RT5 has the following operating modes: OFF, Heat and Cool. In OFF mode, the thermostat will not turn on heating or
cooling devices. In the Heat mode, the thermostat controls the heating system. In the Cool mode, the thermostat controls
the cooling system. The indoor fan can be turned on in all operating modes using the Fan switch.
Mode of Operation