INSTALLATION INSTRUCTIONS
Allowing Piping Length and Drop Between Indoor and Outdoor (cont.)
The radius of the bend should conform to the drawing and chart data to avoid damage to piping.
R
H
D
2. Allowable piping length and drop between indoor and outdoor unit.
Outdoor unit (outdoor unit above)
31-5000572 Rev. 1
R
H
D
L3
L2
L5
L1
L14
L25
L13
L15
L22
L21
The first branch pipe to the farthest indoor unit pipe
length must be less than or equal to 295 ft (90m).
The outdoor unit to the indoor unit length must be less than or
Pipe Diameter
Bending Radius R
D in(mm)
in(mm)
3/4 (19.05)
7/8 (22.22)
1-1/8(28.58)
1-1/8 (28.58)
1-1/4 (31.8)
1-1/2 (38.1)
1-5/8 (41.3)
1-3/4 (44.5)
2 (50.8)
2-1/8 (54.1)
L7
L4
L6
L9
L11
L10
L12
L17
L16
L18
L24
L23
equal to 722 ft (220m).
Vertical Height H
in(mm)
L8
L19
L20
19