WARNING
The screws are delivered with toothed lock washers.
ALWAYS use toothed lock washers, also when the screws
need to be replaced. Failure to follow this warning may
result in electric shock.
INFORMATION
The holes in the front plate are for the connection of the
user interface to the control box. If you do NOT connect
the user interface to the control box, do NOT remove the
plugs from the holes.
4.2
Mounting the control box
4.2.1
To install the control box
1 Remove the front plate.
2 Hold the back plate against the wall and mark the fixation points
(2 on the top and 2 at the bottom).
NOTICE
Make sure that the marks (2 by 2) are completely level and
that their dimensions correspond to the figure below.
318 mm
3 Drill 4 holes and install 4 plugs (suitable for M5).
4 Put the screws in the top plugs and hang the box on the
screws.
5 Put the screws in the bottom plugs.
6 Fix the 4 screws firmly.
INFORMATION
It is possible to connect the user interface to the control
box. For more information, refer to
user interface" on
page 6.
4.3
Connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
4.3.1
To connect the electrical wiring on the
control box
1 Insert the wiring from the bottom of the control box.
2 Make sure the low voltage wiring is located on the right. Route it
through the intake hole and fasten it with cable ties.
EKCB07CAV3
Control box for outdoor units with integrated hydraulic components
4P404075-1C – 2017.03
4.3.2
1 Connect the power supply cable to the control box.
2 Fix the cable with cable ties to the cable tie mountings to
"4.3.4 To connect the
4.3.3
1 Connect X2M/22 (control box) to X5M/4 (outdoor unit).
2 Connect X2M/23 (control box) to X5M/3 (outdoor unit).
c
b
a
a
Low voltage wiring
b
High voltage wiring
c
Main power supply
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25 mm.
To connect the control box power supply
X1M
1 2 3
1 2 3
1
GND
2
L
3
N
ensure strain relief and to make sure that it does NOT come in
contact with sharp edges.
CAUTION
Do NOT push or place redundant cable length in the unit.
To connect the interconnection cable
between control box and outdoor unit
4 Installation
X8M
Installation manual
5