Installation manual
4
RXYSQ4~6M7V3B
VRVII-S system air conditioner
4PW17806-1C
4
If the water drainage of the unit is not easy, please build up the
unit on a foundation of concrete blocks, etc. (the height of the
foundation should be maximum 150 mm).
5
If you install the unit on a frame, please install a waterproof plate
within 150 mm of the underside of the unit in order to prevent the
invasion of water from the lower direction.
6
When installing the unit in a place frequently exposed to snow,
pay special attention to the following:
-
Elevate the foundation as high as possible.
-
Remove the rear suction grille to prevent snow from
accumulating on the rear fins.
7
If you install the unit on a building frame,
please install a waterproof plate (within
150 mm of the underside of the unit) or
use a drain plug kit (option) in order to
avoid the drainwater dripping.
5.
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.
5.1.
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
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
5.2.
Method for removing transport fittings
The transportation fittings (2 yellow pieces) are provided on the leg of
the compressor for protecting the unit during transport. Remove them
as shown in
and described below.
1
Slightly loosen each fixing nut (
2
Remove each transport fitting (
) as shown in
3
Tighten each fixing nut (
6.
I
NSTALLATION
SERVICING
SPACE
■
The connection piping outlet direction in the installation shown in
is frontward or downward. The unit of numeric values is
mm.
■
When routing the piping backward, secure space of
≥
250 mm on
the right side of the unit.
(A) In case of non-stacked installation
The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.
It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc...
In extreme circumstances you should keep distances of
3
m or more and use conduit tubes for power and
transmission lines.
A Discharge side
B Bottom view (mm)
C Drain hole
1
Personal computer or radio
2
Fuse
3
Earth leak detector
4
Remote controller
5
Cool/heat selector
6
Indoor unit
20
140
117
219
289
350
(345-355)
45
140
620
612
421
A
B
C
A
Compressor
B
Fixing nut
C
Transport fitting
CAUTION
If the unit is operated with the transport fittings attached,
abnormal vibration or noise may be generated.
Suction side obstacle
1
In these cases, close the
bottom of the installation
frame to prevent the
discharged air from
being bypassed
Discharge side obstacle
Left side obstacle
2
In these cases, only 2
units can be installed.
Right side obstacle
3
In these cases, no
restriction of height L1.
Top side obstacle
This situation is not
allowed
✓
Obstacle is present
C
B
A
A
