Particle Fi Lter; Protective Anode - Bosch EHP 6-11 LW User And Installation Manual

Particle fi lter
The task of a particle fi lter is to ensure no particles or dirt enter the
heat exchangers. Over time the fi lter can become clogged and will need
cleaning. There are particle fi lters on both the hot and cold sides. To clean
the particle fi lters:
1. Shut down the heat pump using the ON/OFF button.
2. Close the valve and unscrew the sealing cap.
3. Loosen the circlip holding the screen in the valve. Use the supplied
circlip pliers.
4. Lift out the screen from the valve and wash clean with water.
5. Refi t the screen, the circlip and sealing cap.
6. Open the valve and start the heat pump using the ON/OFF button.

Protective anode

Only applies to heat pumps with integrated, stainless hot water cylinder.
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.
Screen Circlip Sealing cap
29
Note
On the cold side the particle fi lter is
located outside of the heat pump. It
may be concealed by insulation mate-
rial or a black box.
On LW model the hot side's particle
fi lter is fi tted inside the heat pump.
On LWM model it is located outside
of the heat pump.
Particle fi lter
LW model
Maintenance