Installation manual

3 ■English
Indoor/Outdoor Unit
Installation Drawings
For installation of the indoor units, refer to the installation manual which was provided with the units.
(The diagram shows a wall-mounted indoor unit.)
CAUTION
1) Do not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the
indoor unit in order to add another indoor unit later.
Make sure no dirt or moisture gets into either side of the embedded branch piping.
See “7 Refrigerant piping work” on page 8 for details.
2) Heat pump type: It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms.
Cooling only type: It is possible to connect the indoor unit for one room only.
Cut thermal insulation
pipe to an appropriate
length and wrap it with
tape, making sure that no
gap is left in the insulation
pipe’s cut line.
Wrap the insulation
pipe with the finishing
tape from bottom to top.
Caulk
pipe hole
gap
with putty.
(Foot bolt-hole centres)
58cm
(Foot bolt-hole
centres)
33cm
25cm from wall
Allow space for piping
and electrical servicing.
Allow 30cm of work
space below the
ceiling surface.
If there is the danger of the unit falling
or overturning, fix the unit with
foundation bolts, or with wire or other
means.
If the location does not have good
drainage, place the unit on a level
mounting base (or a plastic pedestal).
Install the outdoor unit in a level
position. Failure to do so may result in
water leakage or accumulation.
Level mounting base
(available separately)
Clamping material
Insulation tube
Service lid
Tape
Also insulate the connection on the outdoor unit.
Use tape or insulating material on all connections
to prevent air from getting in between the copper
piping and the insulation tube.
Be sure to do this if the outdoor unit is installed
above.
Stop valve cover
01_EN_3P164392-2H.fm Page 3 Friday, March 16, 2007 4:26 PM