4.
Commissioning of the device
After professional installation, the authorised contractor for commissioning has to perform the
commissioning of the device.
CAUTION
The commission can only be performed by a person authorised by the manufacturer! If the
commission is performed by an unauthorised person, the warranty is not recognised.
Management of the device must be performed in accordance with current instructions for use.
5.
Maintenance
The device must be inspected once a year. The electrical and hardware installation of the device have
to be inspected. In the case of detected irregularities, contact the authorised technician.
CAUTION
The servicing and maintenance of the device can only be performed by a person authorised
by the manufacturer. In case of a malfunction, first contact the installer who installed the
device.
5.1 Cleaning the water filter
NOTE
Cleaning of water filters on the return into the device is advised to be performed at least once
yearly.
CAUTION
A blocked water purifying component and magnetic filter can lead to a malfunction of the
device or incorrect functioning of the device. In case the display displays a warning of flow
malfunction (”Caution, flow!”).
5.2 Monitoring the pressure in the heating system
NOTE
Periodically, once yearly, check the water temperature in the heating system. The pressure
in the system should be between 1.5 and 2 bar.
NOTE
In case the pressure falls (i.e. Leakage of the system) the display displays a warning of flow
malfunction (”Caution, flow!”).
CAUTION
Before the commission it is necessary all the required tasks and inspections from the tasks
for commission.