34
Filters
The fi lters ensures that no debris enters the heat exchangers. Over time
the fi lters can become blocked and will require cleaning. There are fi lters
on both the primary and collector circuits. To clean the fi lters:
1. Disconnect the heat pump from the mains electricity supply.
2. Close the valve and unscrew the sealing cap.
3. Remove the circlip holding the fi lter in the valve using the circlip pliers
supplied.
4. Lift out the fi lter from the valve and wash clean with water.
5. Refi t the fi lter, the circlip and sealing cap.
6. Open the valve and start the heat pump.
The fi lters may be concealed by insu-
lation material or an enclosure.
Note
Filter
Circlip Sealing cap
Protective anode
A protective anode is located in the top of the cylinder with the task of
preventing corrosion. The hot water cylinder must be fi lled with water in
order for the anode to work.
If an error occurs, an alarm is activated in the control unit.
Maintenance
