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2.
Operation
2.3 Check before initial start-up
a) System pressure (heating water pressure)
The system must be filled and vented. With the system cold, pressure should be at least 1.0 bar (maximum 1.8
bar). If you have any questions, your installer will gladly answer them.
b) Ventilation
Please make sure the boiler room is well ventilated. The air supply must be as free of dust as possible.
c) Flue
Please have the chimney sweep check the flue, and, if necessary, clean it.
d) Water tank
For level check in water tank for burn-back safeguard – see section 3.9.
2.4 Filling the reserve supply container
2.4.1 BioWIN 2 Klassik – Manual filling
Open reserve supply container cover and fill reserve container up to max. 1 cm below the edge. Close the cover.
Operation with external supply of combustion air
The lid on the integral fuel hopper is monitored by a safety switch. The boiler cannot be operated when the lid is
open. If the lid is opened during operation, after 4 mins the boiler switches to burnout.
2.4.2 BioWIN 2 Premium and Exklusiv – fully automatic filling
The reserve supply container is filled by the fully automatic pellet feed. Windhager Customer Service or the cus-
tomer service Partner will perform the first fill (start-up), take the boiler and its pellet supply into service and
familiarise the customer with the operation and cleaning of the boiler, with reference to the Operating Manual.