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Outdoor unit installation drawing
7
1
Wrap the insulation pipe with finishing tape from bottom to top.
2
Service cover
3
Stop valve cover
4
250 mm from wall. Allow space for piping and electrical servicing.
5
If there is danger of the unit falling or overturning, fix the unit with
foundation bolts, or with wire or other means.
6
Distance from the outer side of the stop valve cover
7
If the location does not have good drainage, place the unit on
block bases. Adjust foot height until the unit is levelled. Failure to
do so may result in water leakage or accumulation.
I
NSTALLATION PROCEDURE
Mounting the outdoor unit
When installing the outdoor unit, please refer to
guidelines" on page 3
to select an appropriate location.
1
Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.
2
Prepare 4 sets of M8 or M10 foundation bolts, nuts and washers
each (field supply).
3
Fix the unit securely by means of the foundation bolts in
accordance with the foundation drawing.
It is best to screw in the foundation bolts until their length
remains 20 mm above the foundation surface.
ERHQ006~008BAV3 + ERLQ006~008BAV3
Outdoor unit for air to water heat pump
4PW54246-1A
1
2
3
6
5
4
"Installation
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 outdoor 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.
NOTE
If drain holes of the outdoor unit
are covered by a mounting base
or by floor surface, raise the unit
in order to provide a free space
of more than 100 mm under the
outdoor unit.
1
1
2
3
4
1
Drain water holes
2
Bottom frame
3
Drain socket (optional)
4
Hose (field supply, inner diameter 16 mm)
Flaring the pipe end
To flare each pipe end, follow the procedure below:
1
Cut the pipe end with a pipe cutter.
2
Remove burrs with the cut surface facing downward so that the
chips do not enter the pipe.
1
2
1
Cut exactly at right angles.
2
Remove burrs
3
Remove the flare nut from the stop valve and put the flare nut on
the pipe.
4
Flare the pipe. Set exactly at the position shown below.
Flare tool for R410A
(clutch type)
A
0~0.5 mm
5
Check that the flaring is properly made.
1
2
1
2
3
3
"Possible options" on page 3
A
Conventional flare tool
Clutch type
Wing nut type
(Ridgid-type)
(Imperial-type)
1.0~1.5 mm
1.5~2.0 mm
Flare's inner surface must be flaw-free.
The pipe end must be evenly flared in a
perfect circle.
Make sure that the flare nut is fitted.
Installation manual
5
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