Carrier Fan Coil - Page 36

Appendix A: Fan Coil Network Points List
Fan Coil CARRIER CORPORATION ©2020
Integration Guide All rights reserved
32
BACnet
Modbus
Point Name
Point
Access
Units
Default
Value
BACnet Point Name
BACnet
Object ID
Modbus Register
Type
Modbus
Register #
(1) Alarm
Fan / Speed
R
(1) Off
(2) Low
(3) Med
(4) High
(5) On
fan_run
MSV:2004
Input Register
(Signed)
175
Optimal Start Type
R/W
(1) None
(2) Temp
Compensated
(3) Learning
Adaptive
2
start_type
MSV:2009
Holding Register
(Signed)
154
System Mode
R
(1) Off
(2) Fan Only
(3) Economize
(4) Cooling
(5) Heating
(6) Cont Fan
(7) Test
(8) Start Delay
(9) Temper SAT
(10) Fire
Shutdown
(11) Shutdown
(12) IAQ
Override
(13) Dehumidify
run_status
MSV:2002
Input Register
(Signed)
1
Setpoint
R/W
°F
occ_ht_stpt
AV:3002
Holding Register
(Float)
19
Setpoint
R/W
°F
unocc_cl_stpt
AV:3003
Holding Register
(Float)
15
Setpoint
R/W
°F
unocc_ht_stpt
AV:3004
Holding Register
(Float)
17
Vent Dmpr Pos /
DCV Min Pos
R/W
%
20
econ_min
AV:4005
Holding Register
(Float)
131
Indoor Air Quality
CO2 (ppm)
R
ppm
iaq
AV:1009
Input Register
(Float)
73
Freezestat
R
(0) Normal
(1) Alarm
llt_alarm
BV:7037
Discrete Input
7
Space Temp
Sensor
R
(0) Normal
(1) Alarm
spt_fail
BV:7001
Discrete Input
46
Outdoor Air Temp
Sensor
R
(0) Normal
(1) Alarm
oat_fail
BV:7029
Discrete Input
27
Occ Override Delay
R/W
min
15
occ_ovr_delay
AV:9028
Holding Register
(Float)
63
Unoccupied Fan
Cycling
R/W
Disable
Enable
Active (1)
fan_cycle
BV:1016
Coil
9
Supply Air
Temperature
R
°F
sa_temp
AV:1008
Input Register
(Float)
109
Thermostat
Linkage
R
(0) Normal
(1) Alarm
link_therm_fail
BV:7033
Maximum Heating
SAT
R/W
°F
110
sat_ht_max
AV:83004
Holding Register
(Signed)
41
Minimum Cooling
SAT
R/W
°F
50
sat_cl_min
AV:83003
Holding Register
(Float)
61
Air Source Mode
R
(1) Off
(2) Warmup
(3) Heat
(4) Cooling
link_ahu_mode
MSV:2005