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Outdoor unit installation location – MITSUBISHI ELECTRIC PEH-3EAKPEH-2.5EAK User Manual

Page 15

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14

■ When used in rooms with high ceilings, it is recommended that a ceiling fan or
circulator be installed to improve air circulation and temperature variations within
the room.

■ The remote-control circuits under microprocessor control remain on at all
times whether the air conditioner is or is not in operation. For more economical
operation, it is recommended that the main power switch be turned off when the
air conditioner(s) is not used for long periods.

■ Avoid using air conditioning units in areas where they are exposed to oil or oily
smoke (cooking areas or machine shops). Oil which adheres to the heat
exchangers will cause reduced efficiency, generate mist and may damage plastic
components.

■ Avoid exposure to high-frequency waves as this may cause the microprocessor
to malfunction.

■ Rated noise levels were derived from tests in an anechoic test room. Noise
levels may therefore be greater depending on the surroundings, application,
and/or manner of installation.

■ Avoid using air conditioners in rooms with high humidity because excessive
condensation will occur as the air cools.

■ To avoid fire hazards, do not use air conditioners in areas where inflammable
gases are present.

■ Odours for buildings, cosmetics, perspiration, cigarette smoke, etc., may
accumulate in the heat exchanger and emanate from the air conditioner. This is
not indicative of mechanical trouble.

Obstacle at rear only

Service space

Top obstacles

Obstacles at the right, left
and rear

Obstacles at the front and
rear only

Obstacle at the front and
rear only

Outdoor Unit Installation Location

• When installing a single outdoor unit:

• When installing many outdoor units:

PUH-2.5, 3

PUH-4,5,6

100mm or more

150mm or more

10mm or more

10mm or more

500mm or more

500mm or more

500mm or more
Service space

500mm or more

100mm or more

150mm or more

500mm or more

500mm or more

10mm or more

10mm or more

200mm or more

300mm or more

A

B
C
D
E

F

G
H

I

PUH-2.5, 3

PUH-4,5,6

10mm or more

10mm or more

Obstruction width: 1.5 times the width of
outdoor unit or smaller
Obstruction height: Unit height or lower
Air outlet guide
500mm or more

500mm or more

100mm or more

150mm or more

3000mm or more

3800mm or more

100mm or more

150mm or more

J

K

L

M

N
O
P
Q

Face-to-face arrangement
(with air outlet guides)

Face-to-face arrangement
(without air outlet guides)

Parallel arrangement
(with air outlet guides)

Parallel arrangement
(without air outlet guides)

Side-by-side arrangement

10mm or more

10mm or more

200mm or more

300mm or more

Up to 10 units (When the optional air outlet
guides are used, no more than five units should
be arranged side by side.)
1000mm or more

1000mm or more

PUH-2.5, 3

PUH-4,5,6

200mm or more

300mm or more

500mm or more

500mm or more

200mm or more

300mm or more

1200mm or more

1500mm or more

1000mm or more

1500mm or more

2000mm or more

2500mm or more

100mm or more

150mm or more

A
B

C
D

E
F

G
H

I

J

K

Precautions/recommendations concerning the installation and operation of Mitsubishi Electric Mr. Slim air conditioners.

This manual is related to the following products: