80
SENSORS AND INTEGRATION POINTS
Refer to Table 65 for factory-provided sensors and Table 66 for a
detailed integration points list.
Table 65 — Factory-Provided Sensors for VAV Units 50BVJ,W
*1 per compressor.
UNIT DESCRIPTION QTY SHIPPING LOCATION INSTALLATION LOCATION
50BVJ 020-034
Supply Air Temperature sensor 1 loose for field installation Supply air stream
Return Air Temperature Sensor 1 loose for field installation Return air stream
Entering Water Temperature 1 Installed Condenser entering water
Leaving Water Temperature 1 Installed Condenser leaving water
Duct Static Pressure Sensor 1 loose for field installation Supply air stream
Compressor Current Transducer * Installed Unit electrical box
50BVW 034-064
Supply Air Temperature Sensor 1 loose for field installation Supply air stream
Return Air Temperature Sensor 4 loose for field installation Return air stream
Entering Water Temperature 1 Installed Condenser entering water
Leaving Water Temperature 1 Installed Condenser leaving water
Duct Static Pressure Sensor 1 loose for field installation Supply air stream
Compressor Current Transducer * Installed Unit electrical box
Table 66 — Integration Points List
PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION
DISPLAY NAME
READ/
WRITE
REGISTER
TYPE
REGISTER
NUMBER
REFERENCE
NAME
OBJECT
TYPE
OBJECT
ID
NV NAME SNVT DESCRIPTION
Alarm Status R Discrete Input 5 alm_status BV 24
nvoAlm-
Status
SNVT_switch(95)
Alarm Status of Unit (see
“Current Alarm” for more
information)
Allow CWV Alarm R/W Coil 1
allow_cwv_alr
m
BV 106 Select
Enable Condensate
Water Valve Alarm Pass
Through
0 = Off
1 = Enable CWV Alarm
BAS CO2 Sensor
Value
R/W
Holding Regis-
ter (Float)
1 bas_co2_val AV 49 Select
CO
2
Sensor Value pro-
vided by BAS in PPM
BAS DAT Sensor R/W
Holding Regis-
ter (Float)
3 bas_dat_val AV 90 Select
Discharge Air Tempera-
ture (DAT) provided by
BAS in °F
BAS Return Air
Temp
R/W
Holding Regis-
ter (Float)
5 bas_rat AV 29 Select
Return Air Temperature
Value provided by the
BAS
BAS RH Sensor
Value
R/W
Holding Regis-
ter (Float)
7
bas_rh_sen_
val
AV 56 Select
Relative Humidity (RH)
provided by BAS in %
BAS SD Input R/W Coil 2 bas_sd_in BV 91 Select
Network Parameter to
set the BAS Smoke
Detector Alarm
Boilerless-Econo-
mizer Status
R
Input Register
(Float)
1
econ_boil_-
mode_stat
AV 34 Select
Economizer Option Status
0 = Disabled
1 = Water Side Econo-
mizer
BRN R Discrete Input 6 brn_2st BV 10 Select
Network Alarm indicat-
ing Brownout sense on
UPM1
BRN R Discrete Input 7 brn_4st BV 58 Select
Network Alarm indicat-
ing Brownout sense on
UPM2
BV Occupancy
Command (BAS)
R/W Coil 3
occupan-
cy_cmd
BV 1
nviOc-
cBASCmd
SNVT_switch(95)
Network Parameter to
set the Occupancy Com-
mand
0 = Unoccupied (Default)
1 = Occupied
C1_FAIL R Discrete Input 8 comp1_fail BV 150 Select
Network Alarm indicat-
ing compressor com-
manded to run but no
current feedback is
sensed
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