7
8
Copyright © Fujitsu General America, Inc.
Piping Restrictions
Refrigerant Pipe Sizes
Liquid Adaptor Gas
Branch
Box
to
Indoor
Unit
7,000 BTU
1/4”
1/2” to 3/8”
adaptors
included
(3 of each)
3/8”
9,000 BTU
12,000 BTU
18,000 BTU 1/4”
1/2”
24,000 BTU 1/4”
1/2” to 5/8”
adaptors
included
(3 of each)
5/8”
Outdoor Unit
Branch Box
Separation Tube
Assembly Kit
Liquid pipe 3/8 inch
Gas pipe 5/8 inch
=
Branch Box
Branch Box
Flare connections
=
Flare connections
=
Liquid pipe 1/4 inch
Gas pipe 3/8”, 1/2”, or 5/8”
based on indoor unit size*
=
*Branch box outlets are all 1/2” on gas pipe connections.
1/2” to 3/8” adaptors and 1/2” to 5/8” adaptors included (3 of each).
f
g
h
i
j
k
l
m
a
b
c
e
d
