Nibe HBS 05 Series - Refrigerant Pipe Connection Details

Pipe connection
Pipe connection, refrigerant pipe
■
Perform pipe installation, on the refrigerant side
between outdoor module (AMS 10) and SPLIT box
(HBS 05), with the service valves (QM35, QM36) closed.
■
Connect refrigerant pipes between the service valves
(QM35 and QM36) on the outdoor module (AMS 10)
and the connections (XL52 and XL53) on SPLIT box
(HBS 05).
UN
UN
XL53
XL52XL1
XL2
■
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 follow-
ing torque. Use the "Tightening angle" if a torque
wrench is not available.
Recommen-
ded tool
length
(mm)
Tightening
angle (°)
Tightening
torque
(Nm)
Outer dia-
meter, cop-
per pipe
(mm)
15045~6014~18Ø6.35
20030~4534~42Ø9.52
25030~4549~61Ø12.7
30015~2068~82Ø15.88
NOTE
Gas shielding must be used when soldering.
Flare connections
Expansion:
A
A (mm)Outer diameter, copper pipe (mm)
9.1Ø6.35
13.2Ø9.52
16.6Ø12.7
19.7Ø15.88
Ejection:
B
B, with a conven-
tional tool (mm)
B, with an
R410A tool
(mm)
Outer diameter,
copper pipe
(mm)
1.0~1.50.0~0.5Ø6.35
0.7~1.30.0~0.5Ø9.52
1.0~1.50.0~0.5Ø12.7
0.7~1.30.0~0.5Ø15.88
(Follow instructions for the tool used.)
17Chapter 4 | Pipe connectionsHBS 05