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S1825 - S1833 - S1847
Installation & Service Manual
≥ ø85 mm
G
< 20
< 20
≥ 20
≥ 20
cm
cm
cm
cm
G
ATTENTION
All refrigerant work and refrigerant piping should comply with the local legislation, standards
and codes and should only be done by qualified and skilled people.
To disconnect the couplings:
Step 1: Shut down the A/C unit and unplug the electrical power cord from the wall outlet.
Step 2: Wait five minutes for the line pressure between the indoor compressor unit and outdoor condensing
unit to equalize.
Step 3: Pull the male coupling handle up and toward the male coupling to the full back position.
Step 4: Retract the Release Sleeve on the female coupling to release the male coupling half from the female
half.
Step 5: To seal and protect from dust, reinstall the protective cap and plug.
8.2
Connecting the coolant pipes for the S37xx models
a.
Fit a gland nut or suchlike to the piping and make a so-called "flare" at the end of the piping.
b.
Interior unit: Tighten the gland nut by hand to the piping on the interior unit and then tighten it
with a spanner and torque wrench as shown in fig. 13.
c.
Exterior unit: Tighten the gland nut by hand to the connections on the valves on the exterior unit
and then tighten it with a spanner and torque wrench as shown in fig. 13.
Figure 11
The last 20 cm of the refrigerant pipe, close to the
connector must be kept straight. Bending can cause
leakage and is not covered by the warranty.
Figure 12
4
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