25
Service and maintenance
If regular maintenance work is not carried out on the FOCUS unit, this will affect the functionality of
the comfort ventilation.
Maintenance and repair by qualified personnel should be carried out by a maintenance service team on the basis of a
maintenance contract. Maintenance and repair measures of the FOCUS unit includes inspecting and cleaning the
fans and heat exchanger. The heat exchanger should be cleaned based on how dirty it gets but the maintenance
interval must not exceed two years.
Use checklist B to document the maintenance work completed.
Inspection and cleaning of the heat exchanger
In doing so, proceed as follows:
1. Disconnect the FOCUS unit from the mains power supply.
2. Press the two snap fasteners
A
on the bottom of the unit.
Fig. 27: Pressing the snap fasteners
3. Remove the front panel
B
gradually as indicated by the arrows. To do this, open the front panel at an angle
of no more than 15° and unhook it from the lock seam of the housing.
Fig
.
28: Opening the front panel
4. Use strap
C
to pull the EPP foam cover
D
for the filters and heat exchanger out of the EPP housing. To do
this, grip the strap at one end and pull while using your other hand to support the unit.
B
A
Summary of Contents for FOCUS 200 Base
Page 1: ...Translation of the original instruction manual Heat Recovery Unit FOCUS 200 Base...
Page 30: ...30 Dimensions Fig 33 Dimensional drawing...
Page 31: ...31 FOCUS 200 Base terminal scheme Fig 34 Terminal assignment terminal plan...
Page 36: ...36 PDE Manual_Focus 200 Base_V1 1 V1122 DE Subject to change...
