8. Tighten the caps with a dynamometric spanner with a torque load
of 20 to 25 N·m.
9. Check the watertightness of the connections using a leak detector.
4.8.5. Adding refrigerant
If the refrigeration connection pipes are more than 30 metres long,
refrigerant R410A must be added. See table below.
Add refrigerant via the refrigerant shut off valve using a safety loader.
Model (Outside
module)
Quantity of refrigerant to be added
31 to 40 m 41 to 50 m 51 to 60 m 61 to 75 m
AWHP 6 MR 0.2 kg 0.4 kg / /
AWHP 8 MR 0.6 kg 1.2 kg / /
AWHP 11-14-16 MR-
TR
0.6 kg 1.2 kg 1.8 kg 2.4 kg
AWHP 22 TR 0.9 kg 1.8 kg 2.7 kg 3.6 kg
AWHP 27 TR / / / /
4.9 Hydraulic connections
¼ See chapter: "Main dimensions", page 27
4.9.1. Flushing the system
Installation must be carried out in accordance with the prevailing
regulations, the codes of practice and the recommendations in these
instructions.
n
Fitting the appliance to new installations
4 Clean the installation with a universal cleaner to eliminate debris
from the appliance (copper, hemp, flux).
4 Thoroughly flush the installation until the water runs clear and
shows no impurities.
n
Fitting the appliance to existing installations
4 Remove sludge from the installation.
4 Flush the installation.
4 Clean the installation with a universal cleaner to eliminate debris
from the appliance (copper, hemp, flux).
4 Thoroughly flush the installation until the water runs clear and
shows no impurities.
AWHP MIT-IN iSystem
4. Installation
24/09/2012 - 300027606-001-01
36
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