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51
Communication - BACnet
See Table 15 for a list of BACnet Points.
Addressing the controller may be done with or without power.
Each time power is applied the controller reads the address.
Address is set using rotary switches. Set the Tens (10’s) switch to
the tens digit of the address, and the Ones (1’s) switch to the ones
digit. See Fig. 39.
Example: If the controllers address is 25, point the arrow on the
Tens (10’s) switch to 2 and the arrow on the Ones (1’s) switch to 5.
The factory default setting is 00 and must be changed to success
-
fully install BACnet communication.
See Table 16 for required BACnet configurations.
Fig. 39 —
Addressing the Controller
p
Table 15 —
BACnet Points
POINT NAME
TYPE
BACNET NAME
OBJECT ID
R/W
RANGE
DEFAULT
Fan VFD Speed Output
BAV
fanspeed
1001
R
0 - 100 %
Mixing Valve Postion
BAV
mixing_valve_pct
1002
R
0 - 100 %
Outdoor Air Temperature
BAV
oa_temp
1003
R
°F
Entering Load Water Temp
BAV
ent_load_wtr_temp
1019
R
°F
Leaving Load Water Temp
BAV
lvg_load_wtr_temp
1020
R
°F
System Outdoor Air Temp
BAV
system_oat
1901
R/W
-999
System Entering Load Water Temp
BAV
system_elwt
1910
R/W
-999
System Leaving Load Water Temp
BAV
system_llwt
1912
R/W
-999
System Control Setpoint
BAV
system_ctrl_stpt
1916
R/W
-999
Chilled Water Setpoint
BAV
ctrl_stpt
2024
R
°F
Chilled Water Supply Temp
BAV
ctrl_temp
2035
R
°F
Chilled Water Supply Setpoint
BAV
chws_setpoint
3024
R/W
15 - 75 °F
44
Cooling Lockout Offset
BAV
oat_cl_lockout_offset
3027
R/W
1 - 10 °^F
3
Cooling Lockout Temperature
BAV
oat_cl_lockout
9002
R/W
-20 - 80 °F
50
Power Fail Restart Delay
BAV
start_delay
9007
R/W
0 - 600 sec
20
Fan Minimum Speed
BAV
fan_min_speed
9009
R/W
0 - 100 %
20
System OAT Master
BAV
mstr_oa_temp
80001
R
°F
Cool Enable
BBV
cl_enable
1011
R/W
0=Disable
1=Enable
1
Bypass Valve Position
BBV
vlv_pos
2001
R
0=Close
1=Open
Fan VFD Enable
BBV
fanenable
2004
R
0=Stop
1=Start
Occupancy Status
BBV
occ_status
2008
R
0=Unocc
1=Occ
Operating Mode
BBV
op_mode
2014
R
0=Bypass
1=Free Cool
Run Command
BBV
run_cmnd
2030
R
0=Stop
1=Start
Shutdown
BBV
shutdown
9001
R/W
0=Inactive
1=Active
0
BAS On / Off
BMSV
keypad_ovrde
1001
R/W
1=Inactive
2=Occupied
3=Unoccupied
1
Low Chilled Water Supply Temp
BBV
chws_lo_alarm
7021
R
0=Normal
1=Alarm
Non-Operational Component
BBV
nonop_comp_alarm
7023
R
0=Normal
1=Alarm
Reverse Load Water Flow
BBV
reverse_flow_alarm
7025
R
0=Normal
1=Alarm
Outdoor Air Temp Sensor
BBV
oat_fail
7029
R
0=Normal
1=Alarm
Outdoor Air Temperature
BBV
oat_alarm
7036
R
0=Normal
1=Alarm
Fan VFD Fail
BBV
fan_vfd_fail
7039
R
0=Normal
1=Alarm
Entering Load Water Temperature
BBV
elwt_alarm
7040
R
0=Normal
1=Alarm
Entering Load Water Temp Sensor
BBV
ent_lwt_fail
7041
R
0=Normal
1=Alarm
Leaving Load Water Temperature
BBV
llwt_alarm
7043
R
0=Normal
1=Alarm
Leaving Load Water Temp Sensor
BBV
lvg_lwt_fail
7044
R
0=Normal
1=Alarm
Equipment Alarm
BBV
equip_alarm
7048
R
0=Normal
1=Alarm
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