Installation Diagram; Drain Piping For Outdoor Unit; Accessories - Mitsubishi Electric SUZ-SWM40 Installationshandbuch

3. Installation diagram

A
C
en
Air inlet
175
4. Drain piping for outdoor unit (Fig. 4-1)
Drain socket
4
C
A
B
840 81
417.5
Drainage hole
Air inlet
({42)
40
Air outlet
500
2-10 mm × 21 mm slot
Fig. 3-1
Drain hose
Fig. 4-1
3.1. Outdoor unit (Fig. 3-1)
Ventilation and service space
A 100 mm or more
B 350 mm or more
C 500 mm or more
When the piping is to be attached to a wall containing metals (tin plated) or metal
netting, use a chemically treated wooden piece 20 mm or thicker between the wall
and the piping or wrap 7 to 8 turns of insulation vinyl tape around the piping.
Units should be installed by licensed contractor accordingly to local code re-
quirement.
Note:
When operating the air to water heat pump in low outside temperature, be sure
to follow the instructions described below.
(mm)
• Never install the outdoor unit in a place where its air inlet/outlet side may be ex-
posed directly to wind.
• To prevent exposure to wind, install the outdoor unit with its air inlet side facing
the wall.
• To prevent exposure to wind, it is recommended to install a baffle board on the air
outlet side of the outdoor unit.

4.1. Accessories

Check the following parts before installation.
<Outdoor unit>
1
Drain socket
• Provide drain piping before indoor and outdoor piping connection. (It will be hard
to install drain socket
1
to drain piping as outdoor unit becomes immovable.)
• Connect the drain hose
shown in the figure for drainage.
• Make sure to provide drain piping with a downhill grade for easy drain flow.
Note:
Do not use the drain socket
makes the fan stop.
if indoor and outdoor piping connection is conducted prior
(obtainable at a store, inside diameter: 15 mm) as
in the cold region. Drain may freeze and it
1
1