KNX Technical Reference Manual
ABB i-Bus
®
KNX Yucus
166
Note: This parameter would only be available when Fault display – Activate VRV
Fault Display 1 Byte is activated.
12.37 Communication object for VRV
12.37.1 VRV mode - Control on/off - Object no
Object name Data type Flags
VRV: Control on/off request
VRV: Control on/off
1 bit DPT 1,001 C, W, T, U
This communication object is used to control the on/off of the corresponding indoor unit
in the VRV system, and to obtain feedback of the current switch state of the VRV indoor
unit. The VRV page belongs to the subordinate thermostat, so the request is the output
object, and the confirmation is the input object.
12.37.2 VRV mode - Fan - Object no
Object name Data type Flags
VRV: fan speed request 1 byte DPT 5.001 C, R, T,
This communication object is used to control the fan speed of the corresponding indoor
unit in the VRV system and obtain feedback on the current fan speed state of the VRV
indoor unit. Each fan speed, including the value corresponding to the automatic fan speed,
can be set in the "VRV Function-Fan" parameter page. The VRV page belongs to the
subordinate thermostat, so the request is the output object, and the confirmation is the
input object.
12.37.3 VRV mode - Control mode - Object no
Object name Data type Flags
VRV: control mode request
VRV: control mode
1 byte DPT 5,001 C, W, T, U
This communication object is used to control the operation mode of the corresponding
indoor unit in the VRV system and obtain status feedback of the current operation mode
of the VRV indoor unit. The values corresponding to each operating mode, including
ventilation, heating, cooling, automatic, and dehumidification, can be set in the "VRV
function-operating mode" parameter page. The VRV page belongs to the subordinate
thermostat, so the request is the output object, and the confirmation is the input object.
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