DeDietrich AWHP 6 MR Installation And Service Manual page 35

AWHP MIT-IN iSystem
11
12
14
22TR - 27TR
14
24/09/2012 - 300027606-001-01
11.Unscrew the nuts on the shut off valves.
12.Slip the nuts onto the pipes.
13.Bead the pipes.
13
M002403-A
14.Apply refrigerant oil to the beaded parts to facilitate tightening and
improve watertightness.
Connect the pipes and tighten the nuts with a dynamometric
A
spanner.
A Do not use a spanner on this part of the valve, danger of the
B
refrigerant leaking.
B Recommended position of the spanners for tightening the nut.
B
M002404-A
External diameter of the
pipe (mm-inch)
6.35 - 1/4
A
9.52 - 3/8
12.7 - 1/2
B
15.88 - 5/8
19.05 - 3/4
B
M002406-A
CAUTION
Tighten the nuts using a dynamometric spanner.
External diameter of
the cone connection
(mm)
17
22
26
29
4. Installation
Torque load (Nm)
14 - 18
34 - 42
49 - 61
69 - 82
100 - 120
34