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THX9321/9421
Prestige
® IAQ and RF ElM
Southern
Dehumidification
Away
Mode
This feature
lowers
the temperature
up to 3 ° F below
the setpoint
as needed
to
prevent
excessive
humidity
while
the home
is unoccupied.
Southern
Dehumidification
Away
Mode
options:
(iSU 9180 to 9200)
Fan Control:
Auto,
On or Circulate
Low Limit
Temperature
Setting:
Lowest
temperature
allowed
to control
humidity.
Temperature
Setting:
Temperature
is maintained
when
dehumidification
is
not needed.
Dehumidification
Setting:
Humidity
level
desired
while
Dehumidification
Away
Mode
is active.
You can control
humidity
with
a dehumidifier
or a cooling
system,
if a cooling
system
is used,
humidity
is controlled
by cooling
indoor
air to the Low
Limit
Temperature
Setting.
When
the desired
humidity
level
is reached,
the system
will
maintain
the Southern
Dehumidification
Away
Mode
temperature
setting.
Ventilation
The thermostat
can be set for the following
ventilation
types:
(ISU 1000(3)
ERV/H RV
Passive
(Fan Only)
Fresh Air Damper
Ventilation
Control
Methods
(ISU 10060)
ASHRAE:
Operation
of ventilation
equipment
meets
the ASHRAE
62.2
Ventilation
Standard
based
on CFM,
number
of bedrooms
and square
footage
of home.
ASHRAE
62.2 is not met if the user
programs
the
thermostat
to prevent
ventilation
in the Sleep
program
period.
Percent
on Time:
The ventilator
runs
based
on a percentage
set in the
installer
Setup.
For example:
if set to 50%,
the ventilator
runs at random
times
during
a 1 hour
period
until
it reaches
a 50%
run time
(approximately
30 minutes).
Ventilation
= Outdoor
Condition
Lockouts
(ISU 10130).
The ventilator
wilt not
operate
when
outdoor
conditions
exceed
the lockout
settings.
Options
are:
Ventilator
Low Temperature
Lockout
Setpoint
(Off, -20 ° to 40 ° F)
Ventilator
High Temperature
Lockout
Setpoint
(Off, 80 ° to 110 ° F)
Ventilator
High
Dewpoint
Lockout
Setpoint
(Off, 65 ° to 85 ° F)
If set to ventilate
on high indoor
humidity,
the ventilator
turns
on if the indoor
humidity
is 10% above
the Humidification
setting.
(ISU 10160).
To see all ventilationoptions, pressMENU > INSTALLEROPTIONS> VIEW/EDITCURRENTSETUP>
VENTILATION.
23
69-2490--03

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This manual also for:

Prestige thx9421

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