Mitsubishi Electric CITY MULTI PKFY-WL NKMU-E Series Installation Manual page 5

3. Installing the indoor unit
 PKFY-WL·NKMU-E
A
D
Fig. 3-4
left
left rear
left bottom
Fig. 3-5
D
Fig. 3-6
C
E
B
F
C
B
A
E
3.2.3. Installing the wall mounting fixture
► Since the indoor unit weighs near 22 kg, 48 lbs selection of the mounting
location requires thorough consideration. If the wall does not seem to be
strong enough, reinforce it with boards or beams before installation.
► The mounting fixture must be secured at both ends and at the centre, if
possible. Never fix it at a single spot or in any nonsymetrical way.
(If possible, secure the fixture at all the positions marked with a bold
arrow.)
Warning:
If possible, secure the fixture at all positions indicated with a bold arrow.
Caution:
• The unit body must be mounted horizontally.
• Fasten at the holes marked with ▲ as shown by the arrows.
 PKFY-WL·NKMU-E (Fig. 3-4)
A
Min. 120 mm, 4-11/16 inch
B
Min. 220 mm, 8-11/16 inch
C
Min. 70 mm, 2-3/4 inch
D
Fixing screws (4 × 25)
E
Level
F 1
Mount board
3.3. Preparing the indoor unit
Caution:
The indoor unit cannot be installed with left and right piping.
* Check beforehand because the preparatory work will differ depending on the
exiting direction of the piping.
3.3.1. Extraction and processing of the piping and wiring (Fig. 3-6)
1. Connection of indoor/outdoor wiring  See page. 12.
2. Wrap the felt tape 3 in the range of the refrigerant piping and drain hose which
will be housed within the piping space of the indoor unit.
• Wrap the felt tape 3 securely from the base for each of the refrigerant piping
and the drain hose.
• Overlap the felt tape 3 at one-half of the tape width.
right
• Fasten the end portion of the wrapping with vinyl tape.
A Water pipe (IN)
B Water pipe (OUT)
C
Indoor/outdoor connection cable
D
Drain hose
E 3
Felt tape in Fig. 3-1
3. Be careful that the drain hose is not raised, and that contact is not made with the
indoor unit box body.
Do not pull the drain hose forcefully because it might come out.
2
en
3