Cleaning The Measurement Line Of The Underpressure Controller; Cleaning The Lambda Probe - Froling SP Dual compact Operating Instructions Manual

5.4.2 Cleaning the measurement line of the underpressure controller

5.4.3 Cleaning the Lambda probe

B1500423_en | Operating instructions Dual fuel boiler SP Dual compact
r Loosen the twin wire clamp with pliers and remove the measurement line
r Clean the measurement line carefully with low-level compressed air
Ä WARNING! Do not direct compressed air into differential pressure transmitter!
r After cleaning, refit the measurement line (port "P2")
r Remove the upper insulating cover and thermal insulation at the flue pipe connection
upwards
r Carefully remove the Lambda probe (1), adapter (2) and plastic bushing (3)
Ä Pay attention to the cables of the Lambda probe!
r Carefully remove impurities from the measuring ports with a fine brush and ash
vacuum
Servicing the system | 5
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