Installation Manual
13
Installation of Indoor, Outdoor Unit
Distributor Piping Type
h1
C
Branch Pipe
Main Pipe
Distributor
Distributor
A
B
h2
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Unit : m(ft)
Outdoor Unit
Capacity
(Btu/h class)
Max total length
of all pipes
(Main + Branch
pipes)
Max length
of
Main pipe
(A+B+C)
Max length
of
Branch
pipes
Max length
of each
Branch pipe
Min length of
each pipe
(Main /
Branch
pipes)
Max Elevation
Between each
indoor unit and
outdoor unit
(h1)
Max Eleva-
tion
Between in-
door
(h2)
Max Combi-
nation
of indoor
unit
54k
145(476)
55(180)
90(295)
15(49)
3(10)
30(98)
15(49)
73k
Indoor unit Capacity (Btu/h class)
Pipe Diameter
Unit : mm(inch)
Gas
Liquid
9k
9.52(3/8)
6.35(1/4)
12k
9.52(3/8)
6.35(1/4)
18k
12.7(1/2)
6.35(1/4)
ENGLISH