10. Installation
136
Base construction a
nd installation of the outdoor unit
Examples of draining work
Construct the drainage ditch with reinforced concretes and make sure that water-proofing work is done.
For smooth draining of defrost water, make sure to apply 1/50 slope.
Construct a drainage around the outdoor unit to prevent the defrost water (from the outdoor unit) from stagnat-
ing, overflowing or freezing near the installation space.
When the outdoor unit is installed on the roof, check the strength and waterproof status of the roof.
(Unit : mm)
960
760
100
80
80
80
60°
100
X
X’
Direction of the drainage
(Slope 1/50)
<Drainage work for single installation>
B
A
50
100
150 100
<X-X’ SECTION>
80
80
80
80
80
80
80
80
60°
60°
200
B B
200
Direction of the drainage
(Slope 1/50)
<Drainage work for module installation>
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