Biddle CITY Series - Cleaning the Unit; Scheduled Maintenance

MAINTENANCE COMFORT AIR CURTAIN
40
Recessed and cassette models
1. Open the inlet grille:
- Push the two pins 1 towards one another – the grille
wil
l tilt down.
2. Slide the filter out of the grille.
3. Clean or replace the filter.
5.2 Cleaning the unit
You may clean the exterior of the unit with a damp cloth and a
domestic cleansing agent. Do not use any solvents.
Caution:
c Make sure no water runs into the unit.
5.3 Scheduled maintenance
Biddle recommends that the following inspection and mainte-
nance work is performed by an instal
ler or other technical
expert every year.
• Check if the filter is clean enough and undamaged. Replace
the filter if
necessary.
• Check that the heat exchanger
or the electric heating ele-
ments are clean. Settled dust ma
y cause unpleasant smells.
Gently remove dust with a vacuum cleaner.
Caution:
c The fins of the heat exchanger are delicate parts.
Warning:
w The fins of the heat exchanger are sharp.
• Check the operation of the fans.