Installation and operation manual
16
HXY48TAVJU
VRV System indoor unit
3P616151-1A – 2021.12
Fixation of the user interface to the indoor unit
1
Fix the wallplate of the user interface to the frontplate of the unit.
For installation of the frontplate, see "7.4.1. To fix the user
interface cover to the indoor unit" on page 17.
2
Cut off a 2 wire conductor.
3
Connect the wires to the user interface as shown below.
From the rear
4
Reinstall the faceplate onto the wallplate.
First begin fitting from the clips at the bottom.
5
Remove the user interface cover from its hinge.
Fixation of the user interface to the wall in case of installation as
room thermostat
1
Cut off a 2 wire conductor.
2
Fix the wallplate of the user interface to the wall.
3
Connect the wires tot the user interface as shown below.
From the bottom
4
Reinstall the faceplate onto the wallplate.
First begin fitting from the clips at the bottom.
How to connect for multi unit
INFORMATION
For connection to the switchbox see "7.3.5. To connect the
electrical wiring on the indoor unit" on page 15.
NOTE
Be careful NOT to distort the shape of the backside of the
user interface by overtightening the mounting screws.
a
b
P
1
P
2
a
Rear part of the user interface
b
Front part of the user interface
1
2
1
NOTE
Be careful NOT to distort the shape of the backside of the
user interface by overtightening the mounting screws..
INFORMATION
If next to the standard remote controller the optional
remote controller is installed as well:
Connect the electrical wires of both remote controllers
in the same way like described above.
Select a main and a sub remote controller by
switching the SS1 selector switch.
Only the remote controller set as main can work as room
thermostat.
INFORMATION
For multiple hydro units control, connect the user interface
to the unit as instructed above. For all other units to be
controlled by this controller every next unit has to be
connected as shown in the figure below (meaning: make a
connection from P1 of the previous unit to P1 of the next
unit, and make a connection from P2 of the previous unit to
P2 of the next unit, and so on...).
Limitation: up to 16 hydrobox units
a
b
P
1
P
2
c
a
Rear part of the user interface
b
Front part of the user interface
c
Use rippers to notch the part for
the wiring to pass through
1
S
S
M
PCB
SS1
S
Sub
M
Main
P1
P1
P1
P2
P1
P2
P2
P2
user interface
01_EN_3P616151-1A.fm 16 ページ ２０２１年１２月１４日 火曜日 午後１時２９分
