13
Installation procedure
Copper pipe selection:
Material
O type pipe: Soft pipe
Pipe diameter (mm) Ø6.35
Ø9.52
Ø12.7 Ø15.88 Ø19.05
Thickness(mm)
0.8
0.8
1.0
1.0
1.1
Material
Hard pipe
Pipe diameter (mm) Ø19.05 Ø22.22 Ø25.4 Ø28.58 Ø31.8
Ø34.9
Ø38.1
Ø41.3
Thickness(mm)
1.0
1.0
1.0
1.0
1.1
1.3
1.4
1.5
Long pipe and high drop
1. Applicable range
Model
Item
All outdoors
Single way total pipe length
300m (correspond length)
Single way pipe length
Max. 175m (correspond length)
Main pipe beween outdoor to 1st branch
Max. 135m (correspond length)
Pipe length between outdoors
Less than 10m to 1st branch pipe
Height difference between
indoor and outdoor
Outdoor is upper
Max. 50m
Outdoor is lower
Max. 40m
Height difference between outdoors
(in the same system)
Within 5m (better be horizontal)
Max. pipe length from 1st branch pipe to indoor
Max. 40m
Height difference between indoors
Max. 15m
When the pipe between the outdoor unit and its furthest indoor unit is longer than 90m, the
specification of master pipe (Gas pipe/ Liquid pipe) between outdoor unit and the first Y joint
should be upgraded for one level. For more details, please refer to "
Outdoor pipe selection
table
"
When the pipe between the first Y joint and its furthest indoor unit is longer than 40m,
(1) The specification of the master pipe ( Gas pipe/ Liquid pipe) between the first Y joint and its
furthest indoor unit should be upgraded for one level.
(2) The distance between the furthest indoor unit and the nearest one ≤ 40m.
