ED15117
43
BACnet
Object Identifier
Property Identifier
Object Type
Type Enumeration
Instance
Property Name
Property Enumeration
Analog Value
2
74
Present Value
85
Object Name
C1Comp1Hours
L
ON
W
ORKS
L
ON
W
ORKS
Name
Profile
SNVT Type
SNVT Index
SNVT Size
nvoCompHrs McQuayChiller
SNVT_count_f
51
two
bytes
Compressor Select
This L
ON
W
ORKS
-only network variable selects the compressor/circuit (number 1, 2) that is
interrogated. The unit controller returns the information for the selected compressor/circuit. You must
first select a compressor/circuit prior to interrogation. This variable selects a compressor/circuit for the
following variables:
Name Page
Compressor Average Current
Compressor Discharge Refrigerant Pressure
Compressor Discharge Refrigerant Temperature
Compressor Discharge Saturated Refrigerant
Temperature
Compressor Percent RLA
Compressor Power
Compressor Run Hours
Compressor Starts
Compressor Suction Refrigerant Temperature
Compressor Average Voltage
Compressor Suction Refrigerant Pressure
Compressor Suction Saturated Refrigerant Temperature
Measurement
Units
Data Type
Usable Range
Default Value
Event Count
NA
L
ON
W
ORKS
: Fixed Point Scalar-
unsigned long
1=Comp/Circuit No. 1
2=Comp/Circuit No. 2
1=Comp No. 1
L
ON
W
ORKS
L
ON
W
ORKS
Name
Profile
SNVT Type
SNVT Index
SNVT Size
nviCompSelect McQuayChiller SNVT_count
8
two
bytes
Compressor Starts
This read only network variable indicates the number of times the compressor motor has been started.
BACnet uses a separate variable for each compressor. L
ON
W
ORKS
uses the Compressor Select
variable.
Measurement
Units
Data Type
Usable Range
Default Value
Event Count
NA
BACnet: Real
L
ON
W
ORKS
: Fixed Point Scalar - unsigned
long
0 –65,535
NA
