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Point
Point Name
Access
System Mode
R
Vent Dmpr Pos /
R/W
DCV Min Pos
Indoor Air Quality
R
CO2 (ppm)
Optimal Start
R/W
Maximum
R/W
Heating SAT
Minimum Cooling
R/W
SAT
Space Temp
R
Source
System Cooling
R
Demand Level
System Heating
R
Demand Level
Fan Off Delay
R/W
Changeover
R
Sensor
ZS Temp Sensor
R
ZS Sensor
R
Configuration
Fan On Delay
R/W
Filter Runtime
R
Thermostat
R
Linkage
Thermostat
R
Linkage
Unit Ventilator
Integration Guide
Default
Units
Value
(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
(12) Pre-occ Purge
%
20
ppm
hr
1
°F
105
°F
50
(1) Sensor Failure
(2) SPT Sensor
(3) RAT / T55
(4) Network
(5) Airside Linkage
(6) Locked Value
(7) T-Stat Linkage
(8) ZS Sensor
no units
no units
seconds
90
Normal
Alarm
Normal
Alarm
Normal
Alarm
seconds
10
hr
Not Active
Active
Normal
Alarm
BACnet
BACnet Point Name
run_status
econ_min
iaq
optm_start
sat_ht_max
sat_cl_min
spt_status
cool_demand_level
heat_demand_level
fan_delay_off
chgovr_fail
zst_sensor_fail
zs_config_fail
fan_delay_on
filter_rntm
t_link_status
link_therm_fail
31
Appendix A: Unit Vent Network Points List
Modbus
BACnet Object
Modbus
ID
Register
Type
MSV:2002
Input
Register
(Signed)
AV:4005
Holding
Register
(Float)
AV:1009
Input
Register
(Float)
AV:9026
Holding
Register
(Float)
Holding
AV:83004
Register
(Float)
AV:83003
Holding
Register
(Float)
MSV:2003
AV:9006
AV:9036
AV:9024
BV:7034
BV:7051
BV:7055
AV:9025
AV:2015
BV:2801
BV:7033
CARRIER CORPORATION ©2019
All rights reserved
Modbus
Register #
1
131
73
147
41
61
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Troubleshooting
