Maintenance | 9
6 720 818 009 (2015/07)Compress 3000 AW
5 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 soiling and foliage at the evaporator and casing
5.1 Remove dirt and leaves
▶ Use a brush to remove the dirt and leaves from the heat pump.
5.2 Protective covers
Over time dust and other dirt will collect on the heat pump.
▶ If required, clean the outside with a damp cloth.
▶ Repair cracks and damage at the casing with anti-corrosion paint.
▶ Car wax can be applied to protect the paint.
5.3 Evaporator
Wash off any layers of e.g. dust or dirt deposited on the surface of the
evaporator.
Cleaning the evaporator:
▶ Spray cleaning agent on the evaporator fins on the back of the heat
pump.
▶ Rinse off coatings and cleaning agent with water.
5.4 Snow and ice
In certain geographical regions or during periods of heavy snow, snow
can get stuck on the back and the roof of the heat pump. To prevent
subsequent formation of ice, remove the snow.
▶ Clear the snow off the roof.
▶ Warm water can be used to rinse off the ice.
5.5 Moisture
Moisture can form under the heat pump (outside) due to condensate not
falling into the condensation catch pan. This is normal and no special
action is required.
5.6 Leakage tests
In accordance with current EU legislation (the F-gas regulation, EC
Regulation No 817/2014 which came into effect on 1 January 2015),
Operators of equipment that contains fluorinated greenhouse gases in
quantities of 5 tonnes of CO
2
equivalent or more and not contained in
foams shall ensure that the equipment is checked for leaks.
In contrast, devices that contain less than 3 kg fluorinated greenhouse
gases are not subject to tightness testing until 31 December 2016.
▶ Contact your installer.
5.7 Checking the safety valves
▶ The pressure relief valve should only drip once the maximum
permissible pressure in the heating system has been exceeded. If the
pressure relief valve still drips at pressures below 2 bar, please
consult the principal contractor of the system.
▶ Make sure that the liquid emerging from the pressure relief valve is
visibly discharged into the drain.
5.8 Particle filter
Check particle filter
The filter prevents contamination from the heating system from entering
the heat pump. Clogged filters can lead to faults.
Cleaning the strainer
▶ Close valve (1).
▶ Unscrew the cap (by hand) (2).
▶ Remove the strainer and clean under running water.
▶ Reinstall the strainer. To ensure the installation is performed
correctly, make sure the guide lugs fit into the recesses in the valve
(3).
DANGER: The heat pump is connected to high current.
▶ Break the power supply before rectifying.
Damage to system due to use of unsuitable cleaning
agents!
▶ Do not use acidic or alkaline cleaning agents or
cleaning agents containing chlorine or abrasive
products.
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 frequently forms near the indoor
unit or the fan convectors in cooling mode, this could
mean that the condensation insulation is defective.
▶ If moisture forms in the vicinity of components of the
heating system, switch the heat pump off and consult
the system installer.
The safety valve should be checked by a qualified
engineer - usually as part of an annual service visit.
Water can drip out of the opening of the pressure relief
valve. The opening of the pressure relief valve (outlet)
must not be sealed under any circumstances.
The system does not have to be drained in order to clean
the filter. The filter is normally integrated into the shut-
off valve and should be installed in the heating return.
ARUN-TWIN.
data in mm.
500, 600, 750, 900
1194 1754 2154
ARUN-TWIN model:
Standard design
The ARUN-TWIN model is the choice for perfectly tasteful and functional partitioning
of living space. It is convincing with its striking design and high fl exibility: variable wall
installation possible with no limitations.
Your advantages: Elegance down to the
last detail guarantees a sophisticated
interior design.
RAL 3005
wine red
VOGEL&NOOT
CLIMATE CONTROL SYSTEMS
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