Setting the Fan Switch (cont’d)
When the “FAN” switch is set to
“ON”, the indoor air handler fan
operates continuously (even when
the System Switch is set at “OFF”).
Setting the Fan Switch in the “ON”
position is desirable if your system
includes an electronic air cleaner
and/or powered humidifier since
continuous air circulation effects a
more continuous operation of
these items.
To turn the heat pump “OFF”, set
the System Switch to the “OFF”
position and set the Fan Switch to
“AUTO” position.
EMERGency Heat — (Red Light)
USE SWITCH ONLY IF HEAT
PUMP IS INOPERATIVE, BUT
NOT DUE TO A POWER FAILURE.
This feature allows you to “Turn
On” the electric heat section of the
system in the event the Heat
Pump should require service
during the heating season. This
switch should remain in the
NORMal position at all times
except when service is required.
CAUTION: Do not use this switch
for normal heating purposes.
Under normal conditions it
increases energy usage by
preventing the heat pump from
operating.
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