Installation manual
7
E
2.
Indoor unit installation location
2.1. Outline dimensions
(mm)
Models W D H
PLH-2, 2.5 760 760 307
• Mount the indoor unit on a wall strong enough to withstand the weight
of the unit.
• Select a location so that air can be blown into all corners of the room.
• Avoid locations exposed to outside air.
• Select a location free of obstructions to the airflow in and out of the
unit.
• Avoid locations exposed to steam or oil vapour.
• Avoid locations where combustible gas may leak, settle or be gener-
ated.
• Avoid installation near machines emitting high-frequency waves (high-
frequency welders, etc.)
• Avoid locations where the airflow is directed at a fire alarm sensor.
(Hot air could trigger the alarm during the heating operation.)
• Avoid places where acidic solutions are frequently handled.
• Avoid places where sulphur-based or other sprays are frequently used.
2.2. Service space
• Select ideal blowing direction according to the shape of room and in-
stalling position.
A Ceiling
B Ceiling panel
C Obstacle
D 1 m or more
E 50 cm or more (Entire periphery)
F Panel
• Reserve the above mentioned space for doing the piping and wiring
work, as well as for the maintenance work which is done from the
bottom & left/right sides. Similarly, reserve as much space as possible
to facilitate work & safety at the time of suspending.
B
F
C
E
D
A
H30
D
W