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BAS-SVP046A-EN
11
Table 2. ACRB 150–300 tons network variable inputs
Profile Index
Network Variable
Name
Variable Type
Variable
description
Recv HrtBt
Point Name
24
nviChillerEnable
SNVT_switch
Request Start/Stop
Chiller
♥
BAS Chiller Auto Stop Command
25
nviCoolSetpt
SNVT_temp_p
Desired Temp of Lvg
Chilled Wtr
♥
BAS Chilled Water Setpoint
26
nviCapacityLim
SNVT_lev_percent
Capacity Limit of
Chiller
♥
BAS Demand Limit Setpoint
28
nviMode
SNVT_Hvac_mode
Chiller Modes
♥
BAS Chiller Mode Command
32
nviNoiseRdcnReq
SNVT_switch (2-state)
Noise Reduction Auto/
On Request
♥
Noise Reduction Request BAS
35
nviRequest
SNVT_obj_request
Status Request
Status Request Input
36
nviTraneVar2
UNVT_c5c
Trane Comm 5
Command Input
Manufacturer-defined
Table 3. ACRB 150–300 tons network variable outputs
nv
Index
Configuration
Variable Name
Variable Type
Variable description
Delta to Send
(Notes)
SendHrdBt
Point Name
37
nvoOnOff
SNVT_switch
Chiller On / Off run state
any
♥
Chiller Running State
38
nvoActiveSetpt
SNVT_temp_p
Active Cool or Heat Setpt
0.10 °C
♥
Active Chilled Water Setpoint
39
nvoActualCapacity
SNVT_lev_percent
Actual Running Capacity
of Unit
0.03
♥
Chiller Power
40
nvoCapacityLim
SNVT_lev_percent
Current Capacity Limit
Setting of Chiller
0.01
♥
Active Demand Limit Setpoint
41
nvoLvgCHWTemp
SNVT_temp_p
Leaving Chilled Water
Temp
0.10 °C
♥
Evaporator Leaving Water
Temperature
42
nvoEntCHWTemp
SNVT_temp_p
Entering Chilled Water
Temp
0.10 °C
♥
Evaporator Entering Water
Temperature
44
nvoAlarmDescr
SNVT_str_asc
Alarm annunciation text
N/A
Diagnostic Last Message
45
nvoChillerstat
SNVT_chlr_stat
Chiller States , modes
any
♥
chiller_t (enum)
Chiller Running Status
CHLR_OFF
00 = Chiller off
CHLR_START
01 = Chiller in start
mode
CHLR_RUN
02 = Chiller in run mode
CHLR_PRESHUTDN
03 = Chiller in pre-
shutdown mode
CHLR_SERVICE
04 = Chiller in service
mode
hvac_t (enum)
Operating Mode
HVAC_COOL
03 = Cooling only
HVAC_ICE
0B = Ice-making mode
u8 (01234567)
in_alarm
bit 0 (MSB) = in alarm
mode
Diagnostic Present
run_enabled
bit 1 = run enabled
Run Enable
local
bit 2 = local
Local Setpoint Control
limited
bit 3 = limited
Capacity Limited
chw_flow
bit 4 = evaporator water
flow
Evaporator Water Flow Status
Not Defined
bit 6 Not Defined
Not defined
Not Defined
bit 7 Not Defined
Not defined