LG LMU240HE Service Manual - Page 17
Piping length and elevation
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Installation Piping length and elevation Multi Piping Type Capacity(Btu/h) Max Elevation Max total length of Max length of each Min length of each between each all pipes (A+B) pipe (A/B) pipe (A/B) indoor unit and out- door unit (h1) Max elevation between indoor units (h2) 24k 30m(100ft) 15m(50ft) 3m(10ft) 7.5m(25ft) 7.5m(25ft) Indoor Capacity (Btu/h) Gas 9K 3/8" 12K 3/8" Liquid 1/4" 1/4" Pipe Size Standard Length 7.5m(25ft) 7.5m(25ft) Additional Refrigerant 20g/m(0.32oz/ft) 20g/m(0.32oz/ft) 24k A h2 B h1 h1 B CAUTION: Capacity is based on standard length and maximum allowance length is on the basis of reliability. Oil trap should be installed every 5~7 meters (16.4~23.0ft). Service Manual 17
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Service Manual
17
Installation
Multi Piping Type
Piping length and elevation
24k
30m(100ft)
15m(50ft)
3m(10ft)
7.5m(25ft)
7.5m(25ft)
Capacity(Btu/h)
Max total length of
all pipes (A+B)
Max length of each
pipe (A/B)
Min length of each
pipe (A/B)
Max Elevation
between each
indoor unit and out-
door unit (h1)
Max elevation
between indoor
units (h2)
B
h2
h1
A
B
h1
CAUTION: Capacity is based on standard length and maximum allowance length is on the
basis of reliability. Oil trap should be installed every 5~7 meters (16.4~23.0ft).
9K
3/8"
1/4"
7.5m(25ft)
20g/m(0.32oz/ft)
12K
3/8"
1/4"
7.5m(25ft)
20g/m(0.32oz/ft)
Gas
Liquid
Standard Length
Additional Refrigerant
Indoor Capacity
(Btu/h)
Pipe Size
24k