4 Installation instructions CC8 roof-top air-conditioning system
410
Fig. 403A Install the clip system
NOTE
If you do not hold the pliers at right-angles to close the clips the clips’ closure may be
slightly out of position (8). In this case correct the clip closure with the pliers.
NOTE
Clip components must not be reused.
– Ensure that the hose is in perfect condition; make sure there are no constrictions or bulges, particularly at
the transition to the fitting.
– Blow nitrogen or dry, clean compressed air through the hoses.
– Seal the hoses and check them for leaks in a water bath using nitrogen or dry compressed air (leak test
pressure approx. 35 bar) (see Fig. 405).
WARNING
Only carry out this test with the appropriate safety equipment in place.
WARNING
If you fail to follow the installation instructions or use other combinations of hose
fittings, you may produce unreliable and unsafe connections, which may result in the
sudden or accidental escape of refrigerant gases.
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