Johnson Controls
Start-Up & Operation Guide | 5586996-JSG-A-0120
103
Operation
BACnet
Attributes
Object
Type
Object
ID
Read/
Write
Short Description
Long
Description
Point Denitions (Units)
EVAP-T AV 29833 R
C1-
EvapTempValue
Evaporating
Temperature
Value Circuit 1
Displays the active temperature of
the air leaving the evaporator (°F)
LoadShedAdjust AV 29885 R/W LoadShedAdjust Load Shed Adjust
A BAS command to adjust load shed
for automatic demand response (0–8
Δ°F)
Altitude AV 29889 R/W Altitude Altitude
A BAS command to adjust the
altitude (-1,500 to 30,000 feet)
MornCRAT-Sp AV 29892 R/W MornCRAT-Sp
Morning Cool
Down/RAT
Setpoint
A BAS command to adjust morning
cool down/RAT setpoint (50–85°F)
EarlyStrtPeriod AV 29895 R/W EarlyStrtPeriod Early Start Period
A BAS command to adjust early start
period (0–120 minutes)
DeviceId AV 29897 R/W DeviceId Device OID
A BAS command to input device
object ID (0–4194302)
UnoccDehumSP AV 29903 R/W
HGRUnoccHum-
SP
HGRH UNOCC
Humidity Setpoint
A BAS command to adjust HGRH
UNOCC humidity setpoint (0-100%)
SZVAVMinFanSpd AV 29913 R/W SZVAVMinFanSpd
SZVAV Minimum
Fan Speed
A BAS command to adjust the SZVAV
minimum fan speed (20–67%)
EconAlrmDly AV 29916 R/W EconAlrmDly
FDD Economizer
Alarm Delay
A BAS command to adjust
economizer FDD alarm delay
(1–3,600 seconds)
EconPosErr AV 29917 R/W EconPosErr
FDD Economizer
Damper Allowed
Error
A BAS command to adjust the outside
air damper feedback versus actual
position error tolerance (0–100%)
EconMinErr AV 29918 R/W EconMinErr
FDD Damper
Min Position
Tolerance
A BAS command to adjust the outside
air damper feedback versus actual
position tolerance in error (0–10%)
StgClgCmd AV 29922 R StgClgCmd
Staged Cooling
Command
Displays the cooling command (%)
StgHtgCmd AV 29923 R StgHtgCmd
Staged Heating
Command
Displays the heating command (%)
PropHtgCmd AV 29924 R PropHtgCmd
Proportional
Heating
Command
Displays the proportional heating
command for all modulating heat
options (%)
C1A-Starts AV 29941 R C1A-Starts
Compressor
Number Times
ON 1A
Displays the compressor 1A start
count
C1B-Starts AV 29942 R C1B-Starts
Compressor
Number Times
ON 1B
Displays the compressor 1B start
count
C2A-Starts AV 29944 R C2A-Starts
Compressor
Number Times
ON 2A
Displays the compressor 2A start
count
C2B-ASCDTmr AV 29945 R C2B-ASCDTmr
Anti-Short Cycle
Delay Time
Remaining 2B
Displays the time remaining for
compressor 2B to turn ON (seconds)
C2BOnTimer AV 29947 R C2BOnTimer
Min. ON Time
Remaining 2B
Displays the minimum time remaining
for compressor 2B to turn OFF
(seconds)
Table 32: BACnet Points List (Continued)