Carrier 38GJt Owner's Manual & Installation Instructions page 11

Allowable Length and Height for the Refrigerant Pipe
Total length (actual length) of fitting
pipe
Length of farthest fitting pipe (ft)
Outdoor unit at
Height difference
between outdoor
Outdoor unit at
unit and indoor unit
Height difference between indoor
units (m)
38GJQF30---3
229.6ft
49.2ft
upper
49.2ft
lower
24.6ft
Outdoor uni t
L1
a
Indoor unit
Table 7
Allowable V alue
38GJQG36---3
38GJQG42---3
82ft
Equivalent length of the farthest fitting pipe L
L2 L3
b
c
Indoor unit
Fig 8
11
246.1ft L +L
1
82ft L X=1 2 3 4,5
X
49.2ft
49.2ft
24.6ft
L4 L5
e
d
Fitting Pipe
+...+L (M 5)
2 M
H1
H3
H2
x