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Programming (J19 = PRG)
The unit ships with factory default parameter
setpoints. Parameter setpoints may be edited in
the field by an HVAC technician. During parameter
editing, the output voltage is set to zero.
General Programming
• Enter the edit mode by removing the unit from its
base and placing jumper J19 on the PRG pins.
The minor display will show the parameter name
and the major display will show the parameter
number.
• Press the UP or DN programming switch to select
the parameter you wish to edit.
• Press the ENT program switch to select the
parameter and enter the parameter edit mode.
The minor display shall show the parameter
name and the major display shall show the
parameter value.
• Press the UP or DN programming switch to
change the parameter value.
• Press the ENT program switch to store the
parameter value and return to the parameter
selection mode.
• Return to normal operation by placing the J19
jumper on a single pin.
Parameter Descriptions
Air Quality Setpoint, Parameter P0
Factory Default = 40% VOC Level
Adjustable from 27 to 100% VOC Level in
increments of 1%
Factory Defaults, Parameter P1
Programming
Factory Default = 0
Switches
0 = Entry Condition
1 = Set all parameters to the factory default setting
Display Units, Parameter P2
Factory Default = 2
0 – Display OFF
1 – Fan Speed Output in Percent
Programming
2 – Air Quality in % VOCs (Factory Default)
Jumper in
PRG Mode
Note: If P2 is set to zero, the Dot and Fan Icon will
still display normally, but the main and minor display
will be off. If a Remote Override is used and the
override switch is closed, the main and minor display
will become active for as long as the contacts are
closed. Pushing the scroll button will activate the
main and minor for a few seconds.
Parameter
Description
Display
Air Quality
Setpoint
Factory
Defaults
Display Units
Fan Cutout
Enable
Fan Cutout
Timer
Output
Override
Percent
Output State
Output
Minimum
Output
Maximum
Default Setting
40%
0
(See Below)
2
Air Quality in %
VOCs
0
Fan Cutout
Disabled
30 Seconds
100%
1
Automatic
20%
100%
5
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