Johnson Controls GVD Series - Page 111

Johnson Controls
Start-Up & Operation Guide | 5586996-JSG-A-0120
111
Operation
BACnet
Attributes
Object
Type
Object
ID
Read/
Write
Short Description
Long
Description
Point Denitions (Units)
H3-S MV 29737 R H3-S
Heating Stage 3
Status
Displays the status of heating stage 3
0 = OFF/idle
1 = ON/minimum runtime timer
2 = ON/normal command
3 = OFF/heating is disabled
HydReverse MV 29742 R/W HydReverse
Hydronic Heat
Valve Reverse
Acting
A BAS command to enable reverse
acting hydronic heat valve
0 = NO 1 = YES
DATTemper-En MV 29745 R/W DATTemper-En
DAT Tempering
Enable
A BAS command to enable discharge
air tempering 0 = NO 1 = YES
Econ-En MV 29747 R/W Econ-En
Economizer
Enabled For
Operation
A BAS command to enable
economizer
0 = NO 1 = YES
Econ-Free MV 29749 R Econ-Free
Economizer Free
Cooling Available
Displays the availability of free
cooling through economizer
0 = NO 1 = YES
Econ-S MV 29750 R Econ-S
Economizer
Status
Displays the status of economizer
0 = disabled
1 = damper not functional
2 = purge
3 = unavailable sensor fault
FreeClg-Mode MV 29751 R FreeClg-Mode
Free Cooling
Current Mode
Displays the status of the active
economizer mode:
0 = dry bulb temperature
1 = differential dry bulb temperature
2 = single enthalpy
3 = dual enthalpy
4 = unreliable
FreeClg-Sel MV 29752 R/W FreeClg-Sel
Free Cooling
Selection
Allows for the selection of the
economizer mode to use:
0 = dry bulb temperature
1 = differential dry bulb temperature
2 = single enthalpy
3 = dual enthalpy
4 = unreliable
DVent-Mode MV 29765 R/W DVent-Mode
Demand
Ventilation Mode
of Operation
A BAS command to enable demand
ventilation mode
0 = disabled
1 = controlled by IAQ
2 = difference between IAQ and OAQ
ExFan MV 29775 R EF-C
Exhaust Fan
Command
Displays the command of exhaust
fan/return fan 0 = OFF 1 = ON
ExF-S MV 29777 R ExRt-S
Exhaust Return
Fan Status
Displays the status of exhaust/return
fan
0 = OFF/idle
1 = ON/normal command
2 = OFF/disabled
3 = OFF/VFD fault
ExFanVFDFlt MV 29778 R ExFanVFDFlt
Exhaust Fan VFD
Fault
Displays the status of the exhaust/
return fan fault 0 = normal 1 = alarm
Table 32: BACnet Points List (Continued)