Bosch DOMESTIC HOT WATER HEAT PUMP User Manual download pdf (Page 19)

MAINTENANCE

6 720 642 344 (2010/01)

Fig. 47

1 Filter

2 Locking ring

3 Plug

Cleaning the filter:

B Switch off the heat pump with the ON/OFF switch.

B Remove the valve and plug.

B Remove the locking ring that retains the filer inside

the valve. For this use the pliers supplied.

B Remove the filter from the valve and flush the filter

with water.

B Refit the filter, locking ring and plug.

B Open the valve and start the heat pump via the ON/

OFF switch.

7.5 EVAPORATOR

If a coating (for example dust or dirt) has built up on the

surface of the evaporator (coil fins), it should be wiped

off.

Clean the evaporator:

B Switch off the heat pump with the ON/OFF switch.

B Remove casing (Æ chapter 7.1).

B Spray degreasing agent onto the evaporator fins.

B Wash off coating and cleaning agent with water. You

can clean the fins from the inside via the cleaning

aperture if the evaporator is severely contaminated.

Any cleaning agent you may use collects in the drain

hose.

7.6 SNOW AND ICE

In some regions and during time of heavy snowfall, snow

can settle on the grille on the back of the unit.

B Brush off snow from the casing holes.

B Remove snow and ice from the grille at the top of the

heat pump.

To prevent icing, the heat pump is equipped with

automatic defrosting. In the event of any problems, this

may need adjusting. Contact your dealer.

WARNING: The thin aluminium fins are

fragile and can be damaged if careless.

Never wipe the delicate fins with a cloth.

B Use protective gloves to protect your

hands from cuts.

B Do not use a too powerful water jet.

6 720 614 050-34.1D

WARNING: During defrosting, ice can come

off the fan grille and can be blown off at high

speed.

B Avoid close proximity of the heat pump

during operation.

B Never look into the fan during defrosting.

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Bosch DOMESTIC HOT WATER HEAT PUMP User Manual Page 19

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