En-13
NO GOOD
NO GOOD
NO GOOD
Horizontal
line
VIEW C
Outdoor
unit side
H
1
= 0 mm –
10 mm
(
α
1
: 0° – 1°)
β
1
: -10° – 10°
Gas pipe
Liquid pipe
Horizontal
line
VIEW D
Outdoor
unit side
H
2
= 0 mm –
10 mm
(
α
2
: 0° – 1°)
β
2
: -10° – 10°
Vertical
line
Horizontal
line
4.7.3. INDOOR UNIT PIPE CONNECTIONS
CAUTION
Separation tube
Horizontal
Vertical
OK
A : Outdoor unit or Refrigerant branch kit
B : Indoor unit or Refrigerant branch kit
Header
C
H
1
α
1
β
1
D
H
2
α
2
β
2
OK
•
Do not connect a separation tube after a header.
• Leave the distance 0.5 m or more for straight part to branch tube and header.
• For details, refer to the Installation Instruction Sheet of each part.
A
B
A
B
A
B
Main pipe
0.5 m or more
To indoor
unit
0.5 m or more
To indoor
unit
4.7.4. PIPE ROUTING DIRECTION
CAUTION
• Be careful not to deform or scratch the panel while opening the knockout holes.
• After opening the knockout holes, deburr the edges to prevent them from cutting the wires.
Horizontal line
or
±15°
To indoor unit
Pipes can be connected from 4 directions. (Figs. 4.7-2, 3, 4)
(Knockout holes are provided so that pipes can be connected from all 4 different directions.)
Fig. 4.7-2 Knockout
position
Fig. 4.7-3 Detail of knockout position (front/side/rear)
Front
Rear
98
220
22
35
13
80
80
50
156
120
119
141
39
139
39
Knockout hole
Knockout hole
Knockout hole
[Rear]
[Front]
[Side]
Fig. 4.7-4 Knockout
position in bottom
210
30
194
36
75
Knockout hole
Right
or
Header
Separation tube
or
Header
Separation tube
To indoor
unit
To indoor
unit
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