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PIPING LENGTH AND THE ELEVATION
12
PIPING LENGTH AND THE ELEVATION
Pipe Size
Capacity
mm(inch)
(Btu/h)
Gas
42k/48k/56k 15.88(5/8)
Indoor unit
CAUTION
!
• The standard pipe length is 7.5 m and no need to additional charge of the refrigerant to
max 15 m. If the pipe length exceeds 15 m, need to additional charge of the refrigerant
which according to the table.
• If 42 kBtu/h model is installed at a distance of 50m, 2,100g of refrigerant should be added
(50-15) x 60g = 2,100g
• Capacity is based on standard length and maximun allowance length is on the basis of
reliability.
• Improper refrigerant charge may result in abnormal cycle.
Length A(m)
Liquid
Standard
9.52(3/8)
7.5
A
B
Outdoor unit
Indoor unit
Elevation B(m)
Max.
Standard
50
0
Outdoor unit
A
B
*Additional
refriger-
ant(g/m)
Max.
30
60
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