Distributor Piping Type
Max total length
Outdoor Unit
of all pipes
Capacity
(Main + Branch
(Btu/h class)
pipes)
48k
476(145)
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Max length
Max length
of
of
Main pipe
Branch
Branch pipe
(A+B+C)
pipes
180(55)
295(90)
Distributor
C
Distributor
h1
A
Installation of Indoor, Outdoor Unit
Min length of
Max length
each pipe
of each
(Main /
indoor unit and
Branch
pipes)
49(15)
10(3)
Branch Pipe
B
Main Pipe
Unit : ft(m)
Max Elevation
Max Eleva-
Between each
tion
Between in-
outdoor unit
door
(h1)
(h2)
98(30)
49(15)
h2
Installation Manual 13
Max Combi-
nation
of indoor
unit
65k