Page 48
LGH/LCH420, 480, 540, 600
TABLE 22
DEMAND CONTROL VENTILATION PARAMETERS
Control Parameter
DescriptionUnits
Control Value
No DescriptionUnitsMax.DefaultMin.
Parameter Short
Description
Screen Name
123 DCV LO TMP OV ST CL
Demand Control
Ventilation Outdoor
Air Control Low
Temperature
Override Start
Closing
-31.0 40.0 132.0 °F
Low outdoor air temp. where fresh air
damper begins to close.
134 IAQ INPUT MODE
Indoor Air Quality In
put Mode
0 1 6 Option
IAQ input source and mode (0-3 operate
only when blower is on).
0- Demand Control Ventilation System In
door Air Quality. Either P298-3 or network
indoor air quality.
1- Demand Control Ventilation System In
door Air Quality. Either P298-3 or network
Indoor Air Quality with no outdoor air tem
perature limits.
2- Outdoor Air Control Sensor A24
(A133_P194-6) (TB22-6).
3- Outdoor Air Control Sensor A24
(A133_P194-6) (TB22-6) with no outdoor
air temperature limits.
4- Demand Control Ventilation System In
door Air Quality. Either P298-3 or network
Indoor Air Quality with blower on/auto op
eration.
5- Demand Control Ventilation System In
door Air Quality. Either P298-3 or network
Indoor Air Quality with blower on/auto op
eration with no outdoor air temperature
limits.
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