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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