eta ePE-K - Underpressure Sensor Hose Cleaning

Cleaning and maintenance Maintenance (expert)
33
For manual actuation, push the unlocking device (red
button) and turn the drive 90° with the locking screw.
Fig. 2-77: Manually actuating the actuator
Lubricate the air valves only with dry lubricant
(e.g. PTFE spray) if they are difficult to move.
Mounting the cover on the ash duct
Re-install the cover on the front of the ash duct.
Fig. 2-78: Cover
2.6.6 Check underpressure sensor
Remove the cover on the front
Remove the cover from the front of the boiler.
Fig. 2-79: Cover
Cleaning the silicon hoses for the vacuum sensor
Take the silicone hose off the vacuum sensor.
Fig. 2-80: Vacuum sensor
Clean the silicon hose by carefully blowing out.
Fig. 2-81: Blowing out the silicone hose