LG LMN090HE Service Manual - Page 17
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Installation Piping length and elevation Multi Piping Type Capacity(Btu/h) Max total length of all pipes (A+B/A+B+C) Max length of each pipe (A/B/C) Min length of each pipe (A/B/C) Max Elevation between each indoor unit and outdoor unit (h1) Max elevation between indoor units (h2) 36k 45m(150ft) 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) A h2 B h2 h1 C h1 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). Service Manual 17
Service Manual
17
Installation
Piping length and elevation
h2
h2
h1
A
B
C
h1
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).
Multi Piping Type
36k
45m(150ft)
15m(50ft)
3m(10ft)
7.5m(25ft)
7.5m(25ft)
Capacity(Btu/h)
Max total length of
all pipes
(A+B/A+B+C)
Max length of each
pipe (A/B/C)
Min length of each
pipe (A/B/C)
Max Elevation
between each
indoor unit and out-
door unit (h1)
Max elevation
between indoor
units (h2)
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