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Bosch Greensource Hydrolight - Hydrocomfort Manual

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MAINTENANCE
6 720 806 630 (2013/02)12
12 MAINTENANCE
The heat pump requires a minimum of maintenance, however, some
servicing is still required to get optimal performance from your heat
pump. Check the following items a few times per year:
• Remove dirt and leaves from the outdoor collector using a water can
with a rose attachment
• External casing
• Evaporator
12.1 REMOVE DIRT AND LEAVES
▶ Use a fine soft brush to remove the dirt and leaves from the heat
pump.
12.2 PROTECTIVE COVERS
Over time dust and other dirt will collect on the heat pump.
▶ Clean the exterior, if necessary, with a damp cloth.
▶ Scratches and other damage on the casing should be touched up with
anti-rust paint.
▶ The paint can be protected with a car wax.
12.3 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:
▶ Spray detergent onto the evaporator fins on the rear side of the heat
pump.
▶ Wash off coating and cleaning agent with a watering can and rose
attachment.
12.4 SNOW AND ICE
In some locations or during periods of snow, snow can accumulate inside
the protective grille on the rear side.
▶ Carefully brush the snow off the fins.
To prevent icing, the heat pump is equipped with automatic defrosting.
In the event of any problems, this may need adjusting. Contact your
installer.
12.5 MOISTURE
12.6 LEAKAGE TESTS
In accordance with current EU legislation (the F-gas regulation, EC
Regulation No 842/2006 which came into effect on 4 July 2006), a
heat pump that contains more than 3 kg of refrigerant R410A must be
checked regularly by an accredited installer.
Leak tests must be performed at installation and then repeated every 12
months.
▶ Contact your installer.
12.7 CHECKING THE SAFETY VALVES
▶ Check that the waste water hose from the safety valve is not blocked.
12.8 FILTER
The filter prevents particles and dirt from entering the interior of the heat
exchanger. Over time, the filter can become blocked and must be
cleaned regularly. It is also recommend that the heating system is power
washed prior to the installation of the heat pump and that a dirt filter is
also fitted.
Fig. 27
[1] Filter
[2] Circlip
[3] Plug
Cleaning the filter:
▶ Switch off the heat pump with the ON/OFF switch.
▶ Close the valve and remove the plug.
DANGER: The heat pump is connected to high currents.
▶ Turn off the power supply before rectifying.
NOTICE: Never use a pressure washer to clean the heat
pump.
Damage to system by cleaning agents and care products!
▶ Do not use cleaning agents and care products that are
abrasive or contain acid or chlorine.
The evaporator should be checked by a qualified
engineer - usually as part of an annual service visit.
WARNING: The thin aluminium fins are fragile and can
be damaged if careless. Never wipe the delicate fins with
a cloth.
▶ Use protective gloves to protect your hands from
cuts.
▶ Do not use a too powerful water jet.
NOTICE: If moisture is found underneath the Hydrolight
or Hydrocomfort unit, contact the installer.
▶ Switch off the heat pump and contact the installer if
moisture appears around the any of the heating
system components.
The safety valve should be checked by a qualified
engineer - usually as part of an annual service visit.
Never close the safety valve or obstruct it’s discharge
pipe.
The filter is installed in the return heating pipe to the
Hydrolight/Hydrocomfort.
6 720 614 050-34.1D
123
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