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Part No.
30790F089
Supersedes
30790G082
Date
6-1-89
Page
10
of
12
INSTALLATION
A. Unit Check-Out Procedure - IMPORTANT
1. Filter(s) must be clean and in place as to filter all air passing over
2. Set thermostat
to "OFF"
position.
3. Check that correct size fuses are installed for unit.
4. All panels must be in place.
5. Turn on main power to unit.
indoor coil,
B. Heating Check
1. Set fan switch to "AUTO".
2. Set thermostat
lever to lowest temperatuf'e.
3. Set thermostat
switch to "HEAT"
position (if indoor ambient temperature
is near or colder
than thermostat
setting, heat pump will start immediately).
4. Slowly adjust thermostat
to warmer temperature
until first stage heat is activated (com-
pressor will start).
5. If'possible,
check outdoor fan to make sure it's rotating (this is especially important
If heat
pump has been installed for sometime and not running in the winter such that the outdoor
fan plenum could be clogged with snow or ice build-up).
6. Check indoor air outlet to verify indoor fan is blowing air and getting warmer.
7. Adjust thermostat
lever to at least 5"F warmer temperature So that second stage heat will
activate.
8. Check indoor air outlet for increased heating (higher temperature).
C. Cooling Check
1. Set thermostat
switch, to "OFF"
position for minimum of 5 minutes to allow heat pump
pressures to equalize.
2. Set thermostat
lever to lowest temperature for cooling
3. Set thermostat
switch to "COOl."
position (compressor should start unless indoor ambient
is near or colder than thermostat
setting).
D. Blower Operation
1. Set thermostat
switch to "OFF"
position.
2. Set fan switch to "ON".
Indoor fan only will operate.
3. Return fan switch to "AUTO". Indoor fan will stop.
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