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D
B
C
W
C
8
A
E
D
H
A
B
2. Indoor unit installation location
E
3. Outdoor unit installation location
E
2.3. Refrigerant pipes
s Check that the difference between the heights of the indoor and
outdoor units, the length of refrigerant pipe, and the number of
bends in the pipe are within the limits shown below.
(A) Pipe length
Models
(one way)
PLH-2
max. 40 m
PLH-2.5
max. 50 m
•
Height difference limitations are binding regardless of which unit, in-
door or outdoor, is positioned higher.
A Length of refrigerant pipe
B Height difference
C Number of bends
D Indoor unit
E Outdoor unit
3.1. Outline dimensions
Models
W
D
PUH-2
870
295
PUH-2.5
870
295
•
Avoid locations where combustible gas may leak, settle or be gener-
ated.
•
Avoid locations exposed to direct sunlight or other sources of heat.
•
If direct sunlight cannot be avoided, always install a sunshade to pro-
tect the outdoor unit from the sun.
•
Select a location from which noise emitted by the unit will not incon-
venience neighbours.
•
Bear in mind that during operation, drain water may flow from the unit.
•
Avoid locations where the unit could be covered by snow.
In areas where heavy snow fall is anticipated, special precautions must
be taken to prevent the snow from blocking the air outlet or blowing
directly against it, as this would reduce the airflow and cause a mal-
function.
•
Select a location permitting easy wiring and piping access to the power
source and indoor unit.
(B) Height
(C) Number of
difference
bends (one way)
max. 40 m
max. of 12
max. 50 m
max. of 15
(mm)
H
A
B
C
650
500
185
330
850
500
185
330
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