OPERATION
Maintenance, cleaning and care
ENGLISH
www.stiebel-eltron.com VRC-W 400 (E) | 11
5. Maintenance, cleaning and care
Maintenance by the user is limited to filter inspection and replace-
ment required at certain intervals.
5.1 Replacement filters
Product
name
Part
number
Description
FMS G4-10 180 234147 Coarse particle filter mat ISO Coarse ≥ 65 % (G4)
FMK M5-2 180 234148 Fine filter ePM
10
≥ 50 % (M5)
FMK F7-2 180 234208 Fine filter ePM
1
≥ 50 % (F7)
5.2 Filter inspection and replacement
!
Material losses
Never operate the unit without filters.
f Inspect the filters for the first time three months after com-
missioning the appliance.
When the total fan runtimes reach the "Filter change interval"
parameter set by the qualified contractor, the programming unit
displays the filter change warning signal.
The qualified contractor can lengthen or shorten the interval for
inspecting filters depending on the level of contamination.
Change the filters when the filter change warning signal appears.
Change the filters if the surface is covered completely in dirt or
the filter is discoloured throughout.
Change the filters at least every 12 months.
Filter inspection
f Pull the mains plug out of the socket.
3.
2.
1.
D0000040362
1
2
3
4
5
5
1 Extract air filter
2 Outdoor air filter
3 Knurled screw for securing the filter drawer
4 Fascia
5 Locking tabs
The fascia is fastened to the appliance with locking tabs.
f To disengage the locking tabs, press the grip areas on the
fascia sides.
f Remove the fascia from the appliance.
f Undo the knurled screws securing the filter drawer.
f Pull the filter drawer forwards to remove it from the
appliance.
f If necessary, place one or more new filters in the filter
drawer. Ensure that the filters are installed in the intended
position. Air flows through the filters from top to bottom. The
flow direction is indicated with an arrow on the filter drawer
fascia. The outdoor air filter is marked with an arrow. Install
the outdoor air filter with the arrow pointing in the flow
direction. The extract air filter is imprinted with the words
"Clean air side", which must be at the bottom.
!
Material losses
Operate the appliance with at least the recommended
filter class. Ensure that filters are fitted accurately so they
can function properly.
f Push the filter drawer into the appliance.
f Secure the filter drawer with the knurled screws.
f Fit the fascia.
f Plug the mains plug into a standard socket.
f After changing the filters, set the "Filter reset" to "On".
The unit resets the filter runtime to 0 and the "Filter reset" is au-
tomatically reassigned the value "Off". The filter change warning
signal goes out.
f Make a note of the filter change date.
Note
There is a label for each filter on the front panel.
f Once you have performed a filter change, delete the
previously entered dates in the "Last" and "Next"
columns.
f Enter today's date in the "Last" column.
f Enter the date for the next filter change in the "Next"
column. For the period between "Last" and "Next",
use the value set by the qualified contractor in the
"Filter change interval"parameter.
f Order new filters in good time or purchase a filter
subscription.
Note
If other filters are installed in the system, e.g. filters in the
extract air vents or a filter box, also perform the inspec-
tion there and change the filter(s) if necessary.
5.3 Care
A damp cloth is all you need to clean the plastic parts. Never use
abrasive or corrosive cleaning agents.
6. Troubleshooting
The faults most recently registered by the unit are stored in the
notification list.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000).
344462-45598-9853_VRC-W_400_E_en_fr_it_nl.indb 11344462-45598-9853_VRC-W_400_E_en_fr_it_nl.indb 11 07.07.2023 17:00:0007.07.2023 17:00:00
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