Distributor Piping Type
Max total length
Outdoor Unit
of all pipes
Capacity
(Main + Branch
(Btu/h class)
pipes)
48k
145(476)
54k
145(476)
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
55(180)
90(295)
55(180)
90(295)
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)
15(49)
3(10)
15(49)
3(10)
Branch Pipe
B
Main Pipe
Unit : m(ft)
Max Elevation
Max Eleva-
Between each
tion
Between in-
outdoor unit
door
(h1)
(h2)
30(98)
15(49)
30(98)
15(49)
h2
Installation Manual 13
Max Combi-
nation
of indoor
unit
65k
73k