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Pro1 IAQ T755H - Technician Setup Menu (Continued); Heat Pump Configuration; System and Auxiliary Heat Settings

Pro1 IAQ T755H
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8
TECH SETUP
STEPS CONTINUED
ON THE NEXT PAGE
TECHNICIAN SETUP MENU
Tech Setup Steps (Continued from the previous page)
OFF configures the
thermostat for non heat
pump systems
ON configures the
thermostat for heat
pump systems
OFF
When turned on the
thermostat will operate
a heat pump.
1. EM.Heat will show as
an option in the system
switch.
2. Y will be first stage of
heat & cool, W/E will
be emergency heat
relay & W2 will be
auxiliary heat relay.
Heat Pump
Heat - Off - Cool
You can configure the
system switch for the
particular application:
Heat - Off - Cool,
Heat - Off,
Cool - Off,
Note: EM. Heat will
show if in heat pump
mode.
System
Switch
Gas Auxiliary
for Heat Pump
Stages
of Heat
Cooling Fan
Delay
Use the or
key until the desired
application is flashing.
OFF OFF2 Stages
You can configure the
thermostat to operate
a 3 stage heat pump
system.
2H = 2 heat, 2 cool
3H = 3 heat, 2 cool
The cooling fan delay
setting will delay the
fan from coming on in
cool mode and keep
running after the
compressor shuts off for
a short time to save
energy in some systems.
You can select the
Cooling Fan Delay from
"Off" , "15" ,"30", "60" or
"90" seconds. If 15, 30,
60 or 90 is selected the
fan will not turn on for
that many seconds when
there is a call for cool
and will run for that
many seconds after
satisfying a call for cool.
Use the or
key to change between
2 heat and 3 heat.
2 heat will use Y1 as first
stage and W2 as
auxiliary.
3 heat will use Y1 as first
stage, Y2 as second stage
and W2 as auxiliary.
This option will turn
the heat pump off 45
seconds after the auxiliary
heat relay turns on.
For 2 heat applications, the
first stage will turn off 45
seconds after the auxiliary
stage turns on.
For 3 heat applications, the
first and second stage will
turn off 45 seconds after the
auxiliary stage turns on.
For heat pump systems
that are “dual fuel” (uses
a gas furnace for auxiliary
stage heat) you can turn
this feature on to turn off
the heat pump when the
auxiliary stage of heating
has been called for.

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