Pro1 IAQ T755H - Technician Setup Menu (Continued); Humidity and Dehumidification Control; HUM and DHM Terminal Functions

9
TECHNICIAN SETUP MENU
HUM Terminal
Use the or
key to turn on or off.
Use the or
key to select YES or
NO.
OFF OFF
Adjustment Options
Factory Default Settings
Tech Setup Steps (Continued from the previous page)
Humidify
LCD Will Show
This feature
removes humidity
when System key
is in Cool.
If ON is selected the
humidity will be
displayed on the main
screen and HUM
terminal will energize
when humidity
setpoint is above
ambient humidity in
Heat mode.
If ON is selected the
humidity will be
displayed on the main
screen and DHM
terminal will energize
when humidity
setpoint is below
ambient humidity in
Cool mode.
If selected
YES allows
over cooling to be used
to control humidity in
Cool mode. If
NO is
selected the system will
not use over cooling.
View the
HUM Terminal chart
below for an explanation
of these options.
This feature adds
humidity when
System key is
in Heat.
Dehumidify
NO
This feature forces
the A/C to run
longer to remove
humidity when
needed. The A/C
will “over cool” the
room a few degrees
until the humidity
reaches the desired
setpoint.
Dehumidify
with AC
Use the or
key to
select the
maximum number of
degrees of over cool.
Options are:
2, 3, 4, 5
3
The amount of over
cooling allowed when
using A/C to remove
humidity. This screen
is only shown when
ON is selected in the
“Dehumidify with AC”
tech setup step.
Over Cool
Limit
1
Options for how the
Hum terminal
energizes.
HUM
Terminal
This feature allows
the installer to
change the
callibration of the
ambient humidity
displayed.
0
Humidity
Calibration
Use the or
key to turn on or off.
Use the or
key to adjust the
calibration +/– 3.
1
Option for how the
DHM terminal
energizes.
DHM
Terminal
below the humidity setpoint and
heat or fan is energized.
below the humidity setpoint and
heat is energized.
below the humidity setpoint. It will
also energize the fan during a call
for humidity.
below the humidity setpoint.
HUM terminal energizes when
the ambient humidity is...
DHM Terminal
above the humidity setpoint and
cool or fan is energized.
above the humidity setpoint. It will also
energize the fan during a call for
humidity.
above the humidity setpoint.
above the humidity setpoint and
the compressor is not running.
DHM terminal energizes when
the ambient humidity is...
Use the or
key to select one of the
four options.
View the
DHM Terminal chart
below for an explanation
of these options.
Use the or
key to select one of the
four options.
OPTIONS
1
2
3
4
OPTIONS
1
2
3
4