Specifications

Table 14 — Sensor Set Point Alert Limits and Default Values
NAME DESCRIPTION
SUBFUNCTION
OCCUPIED
SPACE STATUS
ALERT
DEFAULT
(LOW)
ALERT
DEFAULT
(HIGH)
LOW
LIMIT
HIGH
LIMIT
BP
Building
pressure
Pressure
Occupied
20.25 in.
wg
0.25 in.
wg
-0.5 in.
wg
0.5 in.
wg
IAQ
Indoor-Air
Quality
Inputs
Occupied 0 ppm 800 ppm 0 ppm 5000 ppm
OAC
Outdoor-Air
Cfm
Inputs
Occupied 0 cfm
50,000
cfm
0 cfm
50,000
cfm
OARH
Outdoor-Air
Relative
Humidity
Inputs
Occupied/
Unoccupied
0% 100% 0% 100%
OAT
Outdoor-Air
Temp
Temps
Occupied/
Unoccupied
240 F 125 F 240 F 245 F
RAT*
Return-Air
Temp
Temps
Occupied 60 F 90 F 240 F 245 F
Unoccupied 35 F 120 F 240 F 245 F
RH*
Relative
Humidity
Inputs
Occupied/
Unoccupied
0% 100% 0% 100%
SAT*
Supply-Air
Temp
Temps
Occupied 45 F 180 F 240 F 245 F
Unoccupied 35 F 180 F 240 F 245 F
SP*
Static
Pressure
Pressure
Occupied/
Unoccupied
0.0 in.
wg
2.0 in.
wg
0.0 in.
wg
5.0 in.
wg
SPT*
Space
Temperature
Temps
Occupied 65 F 80 F 210 F 245 F
Unoccupied 45 F 100 F 210 F 245 F
LEGEND
ppm — parts per million
*Once the unit changes from Unoccupied to Occupied mode, a programmed delay of 30 minutes takes place before any alert will be generated.
Table 15 — Alert Criteria Reset Value for
Return to Normal
NAME DESCRIPTION CONSTANT VALUE
BP Actual Space Pressure None
IAQ Indoor-Air Quality None
OAC Constant Outdoor-Air Cfm None
OARH Outdoor-Air Relative Humidity 2%
OAT Outdoor-Air Temperature 1 F
RAT Return-Air Temperature 1 F
RH Space Relative Humidity 2%
SAT Supply-Air Temperature 2 F
SP Static Pressure 0.2 in. wg
SPT Space Temperature 1 F
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