LONWORKS Variables
Network Output Variables
Network Control Property
Keypad attributes available
as LONWORKS Variables for
network control of the unit
Active Setpoint
*Actual Capacity (3)
Capacity Limit (Output)
Chiller Limited
Chiller Local/Remote
Chiller ON OFF
*Chiller Status (1)
Compressor Current
Compressor Discharge
Temperature
Compressor Percent RLA
Compressor Power
Compressor Run Hours
Compressor Starts
Compressor Suction Line
Temperature
Compressor Voltage
*Condenser Entering Water
Temperature (7)
Condenser Flow Switch Status
*Condenser Leaving Water
Temperature (8)
Condenser Pump Run Hours
Condenser Refrigerant Pressure
Condenser Saturated
Refrigerant Temperature
Condenser Water Flow Rate
Condenser Water Pump Status
*Current Alarm (11)
*Evaporator Entering Water
Temperature (5)
Evaporator Flow Switch Status
*Evaporator Leaving Water
Temperature for Unit (6)
Evaporator Pump Run Hours
Evaporator Refrigerant Pressure
Evaporator Saturated
Refrigerant Temperature
Evaporator Water Flow Rate
Evaporator Water Pump Status
Heat Recovery Entering Water
Temperature
Heat Recovery Leaving Water
Temperature
Liquid Line Refrigerant Pressure
Liquid Line Refrigerant
Temperature
Oil Feed Pressure
Oil Feed Temperature
Oil Sump Pressure
Oil Sump Temperature
Outdoor Air Temperature
Run Enabled
*Boldface denotes data points for typical minimum integration.
www.DaikinApplied.com
SNVT
Variable Name
Page
Index
nvoActiveSetpt
23
nvoActCapacity
23
nvoCapacityLim
25
nvoChillerStat
24
nvoChillerStat
28
nvoOnOff
32
nvoChillerstat
33
nvoCurrent
36
nvoCompDisTemp
37
nvoCompPercRLA
38
nvoKiloWatts
40
nvoCompHrs
42
nvoCompStarts
44
nvoSuctionTemp
47
nvoVoltage
48
nvoEntCndWTemp
50
nvoCndWFlow
51
nvoLvgCndWTemp
52
nvoCondPumpHrs
53
nvoCondRefPress
54
nvoSatCndRefTemp
55
NvoCondFlowRate
56
nvoCndWPump
57
nvoAlarmDescr
96
nvoEntCHWTemp
61
nvoChWFlow
62
nvoLvgCHWTemp
63
nvoEvapPumpHrs
65
nvoEvapRefPress
66
nvoSatEvpRefTemp
67
NvoEvapFlowRate
68
nvoChWPump
69
nvoEntHRWTemp
70
nvoLvgHRWTemp
70
nvoLiquLinePress
74
nvoLiquLineTemp
75
nvoOilFeedPress
79
nvoOilFeedTemp
80
nvoOilSumpPress
81
nvoOilSumpTemp
82
nvoOutdoorTemp
83
nvoChillerStat
86
Description
105
-40°–93°C
0–160%; Note - For Centrifugal chiller models, this data point represents the
81
combined percent RLA of the compressors .
81
0–160%
127
LIMITED
127
LOCAL
06
0=OFF, 1=Run Allowed
Chiller Run Mode: 0=CHLR_OFF, 1= CHLR_START, 2=CHLR_RUN, 3=CHLR_
PRESHUTDN, 4=CHLR_SERVICE, Chiller Operating Mode: 1=HVAC_HEAT,
127
3=HVAC_COOL, 11=HVAC_ICE Chiller State: In_Alarm, Run_Enabled, Local,
Limited, CHW_flow, CONDW_flow
1
-3276.8–3276.7 Amperes
105
-273.17°–327.66°C
81
-163.840–163.830
28
0–6553.5 kiloWatts
8
0–65,535. Hours reported at 1/10th the actual hours.
8
0–65,535
105
-40°–118° C
44
0–65,534
105
-40°–118°C
95
0=Pump Commanded off, 1=Pump Commanded On
105
-40°–118°C
8
0–65,535. Hours reported at 1/10th the actual hours.
30
-3276.8–3276.7
105
-40°–118°C
15
0–65,534 GPM
95
0=No Flow, 1=Flow
36
Alarm Text (30 characters max)
105
-40°–118°C
95
0=No Flow, 1=Flow
105
-40°–118°C
8
0–65,535. Hours reported at 1/10th the actual hours.
30
-3276.8–3276.7
105
-40°–118°C
15
0-65,534 GPM
95
0=Pump Commanded OFF, 1=Pump Commanded ON
105
-40°–118°C
105
-40°–118°C
30
-3,276.8–3,276.7 kPA (0.1 kPa)
105
-40°–118°C
30
-3276.8–3276.7 kPa
105
-40°–118° C
30
-3276.8–3276.7 kPa
105
-40°–118° C
105
-40°–118° C
127
0=OFF, 1=Run Allowed
19
ED 15062-7 • MICROTECH II CHILLER CONTROLLER
C
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omPrehensIve
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ables
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