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7 Installation
Installer reference guide
31
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
E
Knockout hole for snow
NOTICE
If drain holes of the outdoor unit are covered by a mounting
base or by floor surface, raise the unit to provide a free
space of more than 150 mm under the outdoor unit.
≥150 mm
Snow
In regions with snowfall, snow might build up and freeze between the
heat exchanger and the external plate. This might decrease the
operating efficiency. To prevent this:
1
Drill (a, 4×) and remove the knockout hole (b).
b
a b
4× Ø6 mm
2
Remove the burrs, and paint the edges and areas around the
edges using repair paint to prevent rusting.
7.3.6
To prevent the outdoor unit from falling
over
In case the unit is installed in places where strong wind can tilt the
unit, take following measure:
1
Prepare 2 cables as indicated in the following illustration (field
supply).
2
Place the 2 cables over the outdoor unit.
3
Insert a rubber sheet between the cables and the outdoor unit
to prevent the cable from scratching the paint (field supply).
4
Attach the cable’s ends. Tighten those ends.
7.4
Mounting the control box
7.4.1
Precautions when mounting the control
box
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.4.2
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
310 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
"7.8.6 To connect the
user interface" on page 38
.
7.5
Mounting the option box
7.5.1
Precautions when mounting the option
box
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.5.2
To install the option 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
310 mm
3
Drill 4 holes and install 4 plugs (suitable for M5).
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