Trane Technologies Symbio 800, Integration Manual

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14 BAS-SVP046A-EN
Table 6. ACRB 350–500 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 nvoActualCap 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_FREE_COOL
0A = Cooling with
compressor not running
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
46
nvoStatusOutputs
SNVT_state Status Outputs
defined at element ♥
bits 0 – 7
Validity of bits 8 – 15 any
Reserved
bit 8
Max Capacity any Maximum Capacity Relay
bit 9
Head Relief Request any Head Relief Request
bit 12 Noise Reduction Active
any
Noise Reduction active
bit 15 (LSB)
Not Defined Undefined Not Defined
48
nvoCprsrsRunning
SNVT_state
Compressor Running
Outputs
defined at element
♥
bits 0 – 7 Validity of bits 8 – 15 any Reserved
bit 8
Compressor A Running any
Running Status
Compressor 1A
bit 9
Compressor B Running any
Running Status
Compressor 1B
bit 11
Compressor D Running any
Running Status
Compressor 2A
49
nvoEvapWtrPump SNVT_switch
Evaporator Water Pump
Request
any
♥
Evaporator Water Pump
Command
50
nvoEvapWtrFlow
SNVT_switch
Evaporator Water Flow
Status5
any
♥
Evaporator Water Flow
Status
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