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P
RECAUTIONS ON INSTALLATION
Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.
In accordance with the foundation drawing in the figure, fix the
unit securely by means of the foundation bolts. (Prepare four
sets of M12 foundation bolts, nuts and washers each which are
available on the market.)
It is best to screw in the foundation bolts until their length are
20 mm from the foundation surface.
C
A
B
240
955
1435
A
Discharge side
B
Bottom view mm
C
Drain hole
Drain work
Check in the combination table under
whether drain work is allowed. In case drain work on your unit is
allowed and the installation site requires drain work, then follow the
guidelines below.
Drain kits for drainage are available as option.
If drain work from the unit causes trouble (for example, if the
drain water may splash on people) provide the drain piping using
a drain socket (optional).
Make sure the drain works properly.
If drain holes of the unit
NOTE
are
covered
mounting base or by floor
surface, raise the unit in
order to provide a free
space
of
more
100 mm under the unit.
Installation method for prevention of falling over
If it is necessary to prevent the unit from falling over, install as shown
in the figure.
prepare all 4 wires as indicated in the drawing
unscrew the top plate at the 4 locations indicated A and B
put the screws through the nooses and screw them back tight
A
A
C
A
Location of the 2 fixation holes on the front side of the unit
B
Location of the 2 fixation holes on the rear side of the unit
C
Wires: field supply
E(D/B)(H/L)Q011~016BA6V3+W1
Unit for air to water heat pump system
4PW57621-1A
C
240
"Possible options" on page 4
by
a
than
B
Installation servicing space
The numerical figures used in the figures represent the dimensions in
mm.
(Refer to
"Precautions on installation" on page
Precaution
(A) In case of non-stacked installation
Suction side obstacle
Discharge side obstacle
Left side obstacle
Right side obstacle
Top side obstacle
NOTE
Minimum distance B1 in
space required for correct operation of the unit.
Required space for servicing though is 300 mm.
(B) In case of stacked installation
1.
In case obstacles exist in front of the outlet side.
A
≥1000
2.
In case obstacles exist in front of the air inlet.
A
≥300
Do not stack more than one unit.
About 100 mm is required as the dimension for laying the upper unit's
drain pipe. Get the portion A sealed so that air from the outlet does
not bypass.
6)
figure 1
Obstacle is present
1
In these cases, close the
bottom of the installation
frame to prevent the
discharged air from
being bypassed
2
In these cases, only
2 units can be installed.
This situation is not
allowed
figure 1
mentions the
Installation manual
6
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