7 Cleaning and servicing the heating system – Procedure
77
CLEANING THE AIR CONTROL UNIT
1. Allow the fire in the boiler to burn out and cool off.
2. Pull the cladding (2) of the air regulation unit (1) carefully
forwards.
3. Use a fine brush and a vacuum cleaner to remove dust deposits
from the fan control unit (1).
4. Carefully press on the two rotary vanes behind the actuators and
make sure that these can move.
5. Close the air control unit in reverse order.
✓ The air control unit is cleaned.
CLEANING THE PANELS
Important!
✎ Observe the “Generally applicable safety instructions” in this
section.
Figure 7/13 - Cleaning the air control unit
Important!
✎ Observe the “Generally applicable safety instructions” in this
section.
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