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Replacing the combustion fan
Disconnect the power supply to the boiler and burner. Loosen the three wing nuts and
lift the cover up. Loosen the power cable to the burner, cable to the flame sensor and
the air supply if its connected. (let the ignition element remain in the ignition device).
Note the electrical routing and attachment of all cables.
Disconnect power leads from the fan by pulling out the pins (1). Remove the four screws
(screw 3 mm) and remove the fan (2). Install the new fan. Make sure the conduit to the
ignition element cable, is in place.
Replace the ignition device according to the "change of ignition elements"(pg 31). Attach
the wires to the igniter and overheating protection and flame sensor with cable ties in the
mounting bracket.
When a fan has been replaced, a new analyze of the flue gas should be done. The RPM
can vary between fans.
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Effecta AB Västra Rågdalsvägen 21 434 99 Kungsbacka Sweden +46-300 - 22320 info@effecta.se
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