DE DIETRICH ALEZIO AWHP-V220 - Manual (Page 23)

5 Checking and maintenance
5.1 General instructions
CAUTION
4
An annual inspection is compulsory.
4
We recommend taking out a maintenance contract.
4
Maintenance operations must be done by a qualified
engineer.
4
Only original spare parts must be used.
4
Make certain that the flues and chimneys are
connected, in good condition and not blocked.
4
Do not modify nor block the condensate outlet(s).
4
If a neutralisation system is installed, follow the
instructions delivered with the neutralisation system
for cleaning and servicing of this system.
5.2 Periodic checks
WARNING
Only qualified professionals are permitted access to the
inside of the appliance.
If the pressure gauge is not accessible, contact the
installer.
4
Have the installation’s water pressure checked.
If the water pressure is lower than 1 bar, more water should
be added. If necessary, top up the water level in the heating
system (recommended hydraulic pressure between 1,5
and 2,0 bar).
¼See chapter: "Top up the installation with water",
page 23.
4
Carry out a visual check for the presence of any water leaks.
T001507-B
AWHP-V220 5. Checking and maintenance
23/04/2013 - 300026802-001-03 22