1000 Vent Type
None, ERV/HRV, Passive,
Fresh Air Damper
None: The thermostat does not control ventilation.
ERV/HRV: The thermostat controls an Energy
Recovery Ventilator or Heat Recovery Ventilator
for ventila- tion.
Passive (Fan Only): The thermostat turns on the
fan for ventilation. When set to passive fan, the
thermo- stat does not control a damper or
ventilator. The passive ventilation/passive fan
setting only runs the indoor blower fan. This
setting does not open a damper or run a ventilator.
To use this setting for ventilation, the home would
need to be set-up with a pipe from outdoors into
the return duct that is either permanently open or
has a damper that automatically opens whenever
the blower fan is on.
Note: Some models only offer the passive fan
setting.
1005
Vent
Method
ASHRAE 2010, ASHRAE
2013, Percent On Time
Note: Options of this ISU may vary depending on
the model of the thermostat.
1006
Vent Fan
Control
Thermostat, Equipment
Thermostat: The thermostat turns on the
ventilation and the fan when ventilation is needed.
Equipment: Ventilation equipment controls the
blower fan.
1007 Bedrooms 1 – 6 (2)
This ISU is only displayed when ISU 1005
Ventilation Method is set to ASHRAE 2010 or
2013.
1008 Home Size
1000 Sq. Ft. – 5000 Sq. Ft.
(1000 Sq. Ft.)
This ISU is only displayed when ISU 1005
Ventilation Method is set to ASHRAE 2010 or
2013.
1009 Vent Rate
30CFM – 350CFM (in 5CFM
increments) (150CFM)
This ISU is only displayed when ISU 1005
Ventilation Method is set to ASHRAE 2010 or
2013.
1011
Vent
Percent On
Time
10% – 100% (30%)
The thermostat operates ventilation equipment
based on a percentage entered in the installer
setup (ISU 1012). For example, if Percent on
Time is set to 50%, the ventilation equipment will
run at random times dur- ing a 1 hour period until
it reaches a 50% run time (approximately 30
minutes). This ISU is only displayed if ISU 1005 is
set to Percent On Time.
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