36
ED 15117
Chiller Mode Setpoint - Network
This read/write network variable is used to change the operating mode of the chiller. The default is
Cool.
Measurement
Units
Data Type
Usable Range
Default Value
HVAC Mode
NA
BACnet: Unsigned Integer
L
ON
W
ORKS
: Fixed Point Scalar -
unsigned long
See Below
Cool
BACnet
Object Identifier
Property Identifier
Object Type
Type
Enumeration
Instance
Property Name
Property Enumeration
Multi-state Value
19
3
Present Value
85
Object Name
ChillerOperationMode
Property Values
1 = ICE
2 = COOL
3 = HEAT
L
ON
W
ORKS
L
ON
W
ORKS
Name Profile SNVT Type SNVT Index SNVT Size
SCPT Reference SCPT Index
nviMode Chiller
hvac_mode
108 one
byte
NA
NA
hvac_mode
All enumerations are not used for this data point. Only the following enumerations are used. If a value
other than those listed below is written, the L
ON
W
ORKS
communication module writes HVAC_COOL
to the unit controller.
Value
Identifier
Notes
1
HVAC_HEAT
Heating only
3
HVAC_COOL
Cooling only
11
HVAC_ICE
Ice-making mode
Chiller Model
This BACnet read-only network variable indicates the model of the chiller.
BACnet
Object Identifier
Property Identifier
Object Type
Type Enumeration
Instance
Property Name
Property Enumeration
Device
8
Variable
Model Name
70
Object Name
<Device Object Name>
Chiller On Off
This network variable indicates the current state of the chiller. The OFF state is represented by state =
FALSE and value = 0. The other discrete states are represented by state = TRUE and value > 0.
Measurement
Units
Data Type
Valid Range
Default Value
Chiller State
NA
BACnet: Enumerated
L
ON
W
ORKS
: structure
See Below
NA
