YORK
5587001-YSG-A-520 | Start-Up & Operation Guide
102
BACnet
Attributes
Object
Type
Object
ID
Read/
Write
Short Description
Long
Description
Point Definitions (Units)
MATClgLim
AV
29755 R/W
MATClgLim
Mixed Air
Temperature
Cooling Limit
A BAS command to limit outside air
damper to prevent MAT below this
value (0.0–100.0°F)
Econ-MinPos
AV
29759 R/W
Econ-MinPos
Economizer
Minimum Position
Setpoint
A BAS command to adjust minimum
outside air damper position (0–100 %)
MAT
AV
29760
R
MAT
Mixed Air
Temperature
Displays the active MAT (°F)
DAH
AV
29762
R
DAH
Discharge Air
Humidity
Displays the active discharge air
humidity (%RH)
RA-Enth
AV
29763
R
RA-Enth
Return Air
Enthalpy
Displays the active return air
enthalpy (BTU/lb)
RAT
AV
29764
R
RAT
Return Air
Temperature
Displays the active RAT (°F)
DVentMaxEconPos
AV
29766 R/W DVentMaxEconPos
Demand
Ventilation
Maximum
Economizer
Position
A BAS command to adjust maximum
demand ventilation economizer
position (%)
DVentIAQ-Sp
AV
29767 R/W
DVentIAQ-Sp
Demand
Ventilation IAQ
Setpoint
A BAS command to adjust IAQ (CO
2
)
demand ventilation setpoint (0–5,000
PPM)
DVentDiff-Sp
AV
29768 R/W
DVentDiff-Sp
Demand
Ventilation
Differential
Setpoint
A BAS command to adjust demand
ventilation (CO
2
) differential setpoint
(0–5,000 PPM)
ExFanVFD
AV
29776
R
EF-O
Exhaust Fan VFD
% Command
Displays the status of exhaust/return
fan VFD command (%)
ExF-RunTim
AV
29779
R
ExF-RunTim
Exhaust Fan
Accumulated
Runtime
Displays the exhaust/return fan
runtime (hours)
Bldg-Sp
AV
29780 R/W
Bldg-Sp
Building Pressure
Setpoint
A BAS command to adjust building
pressure setpoint (-0.25 to 0.25 iwg)
BldgPres
AV
29781
R
BldgPres
Building Static
Pressure
Displays active building static
pressure (iwg)
EAD-O
AV
29782
R
EAD-O
Exhaust Damper
% Command
Displays the status of exhaust
damper command (%)
ExDmpPosFanOn
AV
29783 R/W
ExDmpPosFanOn
Exhaust Damper
Position for
Exhaust Fan to
Turn ON
A BAS command to enable exhaust
fan based on exhaust damper
position (20–99%)
ExDmpPosFanOff
AV
29784 R/W
ExDmpPosFanOff
Exhaust Damper
Position for
Exhaust Fan to
Turn OFF
A BAS command to disable exhaust
fan based on exhaust damper
position (20–99%)
HGR
AV
29790
R
HGR
HGRH Command The commanded HGRH valve
position (%)
Dehum-SP
AV
29792 R/W
Dehum-SP
Dehumidification
Setpoint
A BAS command to adjust
dehumidification setpoint (0–100 %RH)
Table 32: BACnet Points List (Continued)