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P
I
P
I
N
G
W
O
R
P
I
P
I
N
G
W
O
R
1
2
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1
2
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12.
Piping work and refrigerant charge
12.1 MAX. length allowed
*Do your best to reduce the pipe length. Long pipe may cause capacity decrease.
Refrigerant precharge for a piping length of 5m is charged in the outdoor unit at the
factory. When the piping is longer than 5m, additional refrigerant is necessary.
13.2 Oil trap
When the indoor unit is lower than outdoor unit and height is larger than
5m, an oil trap should be used for every 5m.
slope：1/200~1/250
DC- INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
K
A
N
D
R
E
F
R
I
G
E
K
A
N
D
R
E
F
R
I
G
E
An oil trap should be used for every 5m
R
A
N
T
C
H
A
R
G
E
R
A
N
T
C
H
A
R
G
E
slope：1/200~1/250
115
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