EKCBX/H008BBV3
Unit for air to water heat pump system
4PW66983-1C – 08.2011
Installation manual
13
User interface installation
The user interface can be mounted on the front panel of the indoor
unit or apart from the unit.
Installation on the indoor unit front panel
1
Remove the front part of the user interface.
Insert a slotted screwdriver into the slots (1)
in the rear part of the user interface, and
remove the front part of the user interface.
2
Remove the 3 plugs on the front panel.
Note that once the plugs are removed, they
can no longer be re-fitted into the holes.
3
Fasten the user interface rear panel to the
front panel of the indoor unit using the 2
screws and nuts delivered with the indoor
unit as shown in the figure.
4
Wire the user interface.
■
The user interface can only be wired from the back. Use the
user interface wire delivered with the control box (cable of
600 mm, pre-wired to X2M terminals 16 and 16a) and route it
through the pre-drilled hole in the front panel of the indoor
unit.
■
When wiring, run the wiring away from the power supply
wiring in order to avoid receiving electric noise (external
noise).
■
Peel the shield for the part that has to pass
through the inside of the user interface
case (
l
).
■
Connect 16 of the X2M to P1 of the user interface terminal
control box terminal and connect 16a to P2.
5
Reattach the front part of the user interface.
First begin fitting from the clips at the
bottom.
Installation apart from the indoor unit
1
Remove the front part of the user interface.
Insert a slotted screwdriver into the slots (1)
in the rear part of the user interface, and
remove the front part of the user interface.
2
Fasten the user interface rear panel to a wall using the 2 screws
and plugs delivered with the indoor unit.
3
Wire the user interface.
■
The user interface can be wired from the back, the top or the
sides. First disconnect the pre-wired cable (16 + 16a on
X2M), use a field supplied cable (2 conductors, cable section
0.75 mm
2
till 1.25 mm
2
) and route it through the foreseen low
voltage opening at the bottom of the indoor unit.
■
When wiring, run the wiring away from the power supply
wiring in order to avoid receiving electric noise (external
noise).
■
Peel the shield for the part that has to pass
through the inside of the user interface
case (
l
).
■
Connect 16 of the X2M to P1 of the user interface terminal
control box terminal and connect 16a to P2.
4
Reattach the front part of the user interface.
First begin fitting from the clips at the
bottom.
Heater kit installation (optional)
Refer to the installation manual of the EKMBUH heater kit for more
details.
NOTICE
The user interface has to be mounted indoors.
CAUTION
Be careful not to pinch the wiring when attaching.
1
2
3
1
1
P1
P2
16a
16
X2M
1
Terminal block inside the indoor
unit
2
Rear part of the user interface
3
Front part of the user interface
1
CAUTION
Be careful not to pinch the wiring when attaching.
1
P1
P2
A
2
3
1
4
16a
16
A
A
A
X2M
1
Terminal block inside the
indoor unit
2
Rear part of the user interface
3
Front part of the user interface
4
Wired from the top
A
When wired from the sides or
top, notch the part for the
wiring to pass through with
nippers
1
