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HEATING MAIN MONTAGE INSTRUCTIONS CV4.04
Check on air tightness of the connection.
In case when connection needs to be
checked for air tightness, then such
steps should be performed:
1. Complete montage steps 1-3; 5-10.
Exception: don’t drill an air release hole
in Ø3 mm!
2.
Screw
in
special
nozzle
with
manometer, attach air pump. Pump
pressure in the sleeve up to 0,2 ÷ 0,5
bar.
Keep
track
of
manometer
readings. Proceed with the sleeve
montage only if pressure drop in 10
minutes is not noticeable.
Use soap water for determination of
air leakage.
3. Install testing device.
4. Complete montage steps 4; 11-14.
8.1.6.