Maintenance; Replacing The Filters; Cleaning Condensation Drain - Zehnder ComfoFond-L Eco 350 L Manuel De L'installateur

6. Maintenance

Failure to carry out (periodic) maintenance on
the ComfoFond-L Eco ultimately compromises
the performance of the system.
To ensure a hassle-free lifespan for your
ComfoFond-L Eco, 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.
All other servicing may only be performed by an
installer or service technician. A concise explanation
of the maintenance activities is given in the
paragraphs below.
Ensure the ComfoFond-L Eco has been
disconnected from mains power before carrying
out any maintenance work. To do this disconnect
the ventilation unit 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.
EN - 24
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 ventilation unit from its power
supply.
2. Remove the filter handle (A) from the
ComfoFond-L Eco.
A
ComfoFond-L Eco 350
3. Remove the old filter (B) from the ComfoFond-L
Eco.
4. Slide the new filter back into the ComfoFond-L
Eco.
5. Click the filter handle (A) in the ComfoFond-L
Eco.
6. Return power to the ventilation unit.
Filters must be replaced with the original
manufacturer's filters only.

6.2 Cleaning condensation drain

Inspect the ComfoFond-L Eco condensation
drain at least once a year.
1. Disconnect the ventilation unit from its power
supply.
2. Disconnect the condensation drain.
3. Perform the following checks of the condensation
drain siphon:
Check whether the drain is still open by adding
extra water to the siphon;
Visually inspect the condensation drain for
contamination;
Check that there is enough water in the
siphon. Air must not pass through the siphon;
4. Resolve any established problems;
5. Reconnect the condensation drain;
6. Return power to the ventilation unit.
A
ComfoFond-L Eco 550
B