5 | Assembly
34 M2320121_en | Installation instructions Pellet boiler PECO
5.7.4 Prepare for room air-independent operation
r Remove the covering grid plate on the rear of the boiler
r Loosen both screws (A) on the supply air connection
r Pull back the bracket for the supply air connection until approx. 30 mm of pipe is
protruding
r Secure both screws
r Remove the grill from the cover plate
r Remove the burrs with a half-round file
r Fit the cover plate to the supply air connection