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About the units and options
Installer and user reference guide
57
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12
For the selection of the optimal branching kit, please refer to
69].
External control adaptor (DTA104A61/62)
To instruct specific operation with an external input coming from a central control
the external control adaptor can be used. Instructions (group or individual) can be
instructed for low noise operation and power consumption limitation operation.
The external control adapter has to be installed in the indoor unit.
PC configurator cable (EKPCCAB*)
You can make several commissioning field settings through a personal computer
interface. For this option EKPCCAB* is required which is a dedicated cable to
communicate with the compressor unit. The user interface software is available on
http://www.daikineurope.com/support-and-manuals/software-downloads/
.
Cool/heat selector
In order to control the cooling or heating operation from a central location, the
following option can be connected:
Description
5 HP
8 HP
Cool/heat selector switch
KRC19-26A
Cool/heat selector cable
EKCHSC
—
Cool/heat selector PCB
—
BRP2A81
(a)
With optional fixing box for the switch
KJB111A
(a)
To install BRP2A81, proceed as follows:
1
Check the components of BRP2A81. You do NOT need all of them.
1×
1×
1×
1×
1×
1×
X
b
c
a
1×
X
X
X
a
Cable
b
Cable tie
c
PCB
X
Not needed
2
Remove the service covers of the compressor unit and the switch box. See
"15.2.2 To open the compressor unit"
3
Remove the mounting plate from the PCB.
1
1
2
4
Mount the PCB.
