217
4. Pipe “d” diameter (between outdoor branch pipe)
5. Pipe “e” diameter (between outdoor and the outdoor branch pipe)
Total outdoor capacity before the branch pipe Liquid pipe(a,c) (mm)
~68.0kW Ø15.88
Ø19.05
Ø28.58
Ø31.869.0~90.0kW
Gas pipe(b,d) (mm)
Pipe length and height difference
1. Applicable range
Copper pipe selection:
9.526.35
0.8 0.8
1.0
12.7 15.88 19.05
1.0
1.1
Pipe diameter (mm)
Thickness (mm)
Material O type pipe: soft pipe
19.05
1.0
1.0
1.0
1.0
1.1 1.3
1.4
1.5
22.2 25.4 28.58 31.8 34.9
38.1
41.3
Pipe diameter (mm)
Thickness (mm)
Material Hard pipe
Outdoor capacity Gas pipe (mm) Liquid pipe (mm) Oil equalization pipe (mm)
8HP Ø19.05 Ø9.52 Ø9.52
10HP Ø22.22 Ø9.52 Ø9.52
12HP Ø25.4 Ø12.7 Ø9.52
Item Model All outdoors
Single way total pipe length 300m
Single way farthest pipe length Max.: 150m (Equivalent length)
Main pipe between outdoor to 1st branch Max.:110 m (Equivalent length)
Pipe length between outdoors Less than 10m to 1st branch pipe
Height difference between indoor and
outdoor
Outdoor is above Max. 50m
Outdoor is below 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