Nibe SPLIT HBS 12 Installation And Maintenance Instructions Manual page 29

Pipe dimensions and materials
Gas pipe
Pipe dimension Ø15.88 mm (5/8")
Connection Flare - (5/8")
Material Copper quality SS-EN 12735-1 or
C1220T, JIS H3300
Minimum material 1.0 mm
thickness
Pipe connection
Perform pipe installation with the service valves (QM35,
QM36) closed.
HBS 12
The image below, shows possible pipe outlets.
Ensure that water or dirt does not enter the pipes.
Bend the pipes with as large a radius as possible (at least
R100~R150). Do not bend a pipe repeatedly. Use a
bending tool.
Connect the flare connector and tighten to the following
torque. Use the "Tightening angle" if a torque wrench
is not available.
Outer diamet- Tightening
er, copper torque (Nm)
pipe (mm)
Ø9.52 34~42
Ø15.88 68~82
Liquid pipe
Ø9.52 mm (3/8")
Flare - (3/8")
0.8 mm
Tightening Recommen-
angle (°) ded tool
length (mm)
30~45 200
15~20 300
NOTE
Gas shielding must be used when soldering.
Flare connections
Expansion:
A
Outer diameter, copper pipe (mm)
Ø9.52
Ø15.88
Ejection:
B
Outer diameter,
copper pipe (mm)
Ø9.52
Ø15.88
NIBE™ SPLIT
For the Installer
Pipe installation
A (mm)
13.2
19.7
B, with an R410A B, with a conven-
tool (mm) tional tool (mm)
0~0.5 0.7~1.3
25