Multi F LMU540HV Installation Manual

Installation Manual 13
ENGLISH
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)