7 Installation
Installer reference guide
30
EWAQ+0 EK(2)CB
EKMB9W1
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492901-1 – 2017.06
7.3.2
Precautions when mounting the outdoor
unit
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.3.3
To provide the installation structure
Check the strength and level of the installation ground so that the
unit will not cause any operating vibration or noise.
Fix the unit securely by means of foundation bolts in accordance
with the foundation drawing.
Prepare 6 sets of anchor bolts, nuts and washers (field supply) as
follows:
≥150
620
350
(345-355)
a
(mm)
258
6× M12
a
Make sure not to cover the drain holes.
INFORMATION
The recommended height of the upper protruding part of
the bolts is 20 mm.
20
NOTICE
Fix the outdoor unit to the foundation bolts using nuts with
resin washers (a). If the coating on the fastening area is
stripped off, the nuts rust easily.
a
7.3.4
To install the outdoor unit
6× M12
7.3.5
To provide drainage
▪ Avoid installation places where water leaking from the unit due to
a blocked drain pan can cause damage to the location.
▪ Make sure that condensation water can be evacuated properly.
▪ Install the unit on a base to make sure that there is a proper
drainage in order to avoid ice accumulation.
▪ Prepare a water drainage channel around the foundation to drain
waste water surrounding the unit.
▪ Avoid drain water flowing over the footpath, so that it does not
become slippery in case of ambient freezing temperatures.
▪ If you install the unit on a frame, install a waterproof plate within
150 mm of the bottom side of the unit in order to prevent the
invasion of water in the unit and to avoid the drain water dripping
(see the following illustration).
NOTICE
If the unit is installed in a cold climate, take adequate
measures so that the evacuated condensate cannot
freeze.
INFORMATION
If necessary, you can use a drain plug kit (field supply) to
prevent drain water from dripping.
Drain holes (dimensions in mm)
160
620
258
119
161
260
285
279
345
595
416
262
38
71
C
D
E
D
D
D
D
A
B
A
Discharge side
B
Distance between anchor points
C
Bottom frame
D
Drain holes
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