Installation Diagram; Drain Piping For Outdoor Unit - Mitsubishi Electric SUZ-KA25 Installation Manual

3. Installation diagram

SUZ-KA25VA4
SUZ-KA35VA4
400
150
Air inlet
2-10 mm × 21 mm slot
■
SUZ-KA50VA4
SUZ-KA60VA4
SUZ-KA71VA4
417.5
Air inlet
Air inlet
175
Fig. 3-1
4. Drain piping for outdoor unit (Fig. 4-1)
SUZ-KA25/KA35VA4
Drain socket 1
Fig. 4-1
Drainage hole ( 42)
(In case of Heater models 33)
800 69
500
Air outlet
40
81
840
Drainage hole
( 42)
40
Air outlet
500
2-10 mm × 21 mm slot
Drain hose
2
3.1. Outdoor unit (Fig. 3-1)
Ventilation and service space
■
SUZ-KA25VA4
SUZ-KA35VA4
A 100 mm or more
B 350 mm or more
C Basically open 100 mm or more without any obstruction in front and on both
sides of the unit.
D 00 mm or more (Open two sides of left, right, or rear side.)
■
SUZ-KA50VA4
SUZ-KA60VA4
SUZ-KA71VA4
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
(mm)
netting, use a chemically treated wooden piece 0 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 conditioner in low outside temperature, be sure to fol-
low the instructions described below.
• 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.
(mm)
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
prior 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
1
(obtainable at a store, inside diameter: 15 mm) as

in the cold region. Drain may freeze and it
1
1
3