7
ENG
3. Maintenance
The Airfi x D must be checked annually. Should water escape from the safety valve, proceed as
follows:
Check the outward condition of the vessel for damage or corrosion.
Check the gas pre-charge and, if necessary, set to the correct pressure as follows:
Shut off the water supply (K) or Airfi xControl (D) and drain the Airfi x D.
Set the pre-pressure:
See under fi rst use.
Open the water supply to the Airfi x D:
See under fi rst use.
4. De-installation
1. Shut off the water supply (K) or Airfi xControl (D) and drain the Airfi x D.
2. Remove the cap (L) and the plug (M).
3. Remove pressure (P) from the Airfi x D at the gas top-up valve (S).
4. Unscrew the Airfi x D (A).
Caution
Be careful, the weight of the vessel may be greater than expected, as it may be fi lled with water!
Caution
The water in the Airfi x D may be hot!
Environment
Dispose of the Airfi x D in compliance with local regulations.
