Zehnder Rittling ComfoFond-L 350 L, Installer Manual

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15 - EN
6. Maintenance
Failure to carry out (periodic) maintenance
on the ComfoFond-L ultimately compromises
the performance of the system.
To ensure a hassle-free lifespan for your
ComfoFond-L, we recommend you take out a
service agreement with an expert company.
The following maintenance may be carried out
by the user:
Replacing the filter;
Checking the system pressure.
The following maintenance may be carried out
by the fitter:
Cleaning the condensation drain;
Inspecting the brine loop;
Cleaning the internal siphon;
Inspecting and cleaning the ComfoFond-L
casing;
Inspecting and cleaning the ComfoFond-L
battery;
Replacing the circulation pump (where
required);
Replacing the expansion vessel (where
required);
Replacing the filling valve (where required);
Replacing the pressure meter (where
required);
Replacing the de-aerator (where required).
A concise explanation of these maintenance
activities is given in the paragraphs below.
Ensure the ComfoFond-L has been
disconnected from mains power before
carrying out any maintenance work. To do
this disconnect the ComfoAir Luxe from the
power supply to which it is connected.
Bear in mind that the brine loop is
pressurised.
A maintenance log has been included at the
rear of this manual which can be used to
note all performed maintenance.
For maintenance of the ComfoAir Luxe, please
read the instructions in the ComfoAir Luxe
manual.
6.1 For replacing filters
The replacement period of the filter depends on
local circumstances. We recommend replacing
the filter when replacing the ComfoAir Luxe
filter.
Replace the filter (at least) once every six
months.
1. Disconnect the ComfoAir Luxe from its
power supply.
2. Remove the filter handle (A) from the
ComfoFond-L.
ComfoFond-L 350 ComfoFond-L 550
3. Remove the old filter (B) from the
ComfoFond-L.
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4. Slide the new filter back into the
ComfoFond-L.
5. Click the filter handle (A) in the
ComfoFond-L.
6. Return power to the ComfoAir Luxe.
Filters must be replaced with the original
manufacturer’s filters only.