page 36
There are also the hole for fresh air and exhaust air for connection with outside in indoor unit, but as for air
piping, and only be the other side of refrigerant piping connector.
3
5
m
m
(drill hole in ceiling) 890
.0mm
6
2
0
.
4
79
0.0
(machine dimension)8
20mm
(
m
a
c
h
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n
e
d
i
m
e
n
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i
o
n
)
8
2
0
m
m
(
d
r
i
l
l
h
o
l
e
i
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)
8
9
0
.
0
m
m
j. To cut the same shape of paper temperate in ceiling.
k. Drainage shall be smooth piping and slope installed.
l. To avoid drainage piping bent, shall be straight.
m. To install the drainage piping, do not exert too strong force.
n. It shall be installed diameter 20 flexible host to connect outside
part of drainage piping, as shown as figure.
o. Drainage piping shall be covered with insulation material
(thickness: 8.0mm polyphone plastic material), to avoid the dropping off of the condensing water.
p. To connect the drainage host and flexible host.
q. To fill in some water to piping to test the leakage.
r. After testing, to connect the other end of flexible host to indoor units.
Note:
In this type of indoor units, a water pump is used to help to drain the condensing water, to install unit
horizontally to avoid leakage of water and condensing water dropping off.
Installation of Front Panel
• To install the front panel, please check the piping connecting direction first.
(Follow the direction of the piping connection direction.)
• To remove the paper temperate.
• To remove the air filter and grill of front panel.
• To use 4 screw bolt to fix the frame of front panel tightly.
• To connect the indicator light with indoor unit and fan swing motor with indoor units respectively.
Note:
Ensure the frame of the front panel is fixed tightly to avoid the leakage of cool and dropping of condensing
water.
3
5
m
m
(drill hole in ceiling) 890.0mm
6
2
0
.
4
790.0
(machine dimension)8
20mm
(
m
a
c
h
i
n
e
d
i
m
e
n
s
i
o
n
)
8
2
0
m
m
(
d
r
i
l
l
h
o
l
e
i
n
c
e
i
l
i
n
g
)
8
9
0
.
0
m
m
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