
Biopel MINI - Installation and Operation Instructions
11
5.3.
Hopper
The basic diagram of both types of hoppers, i.e., Compact and External versions are shown below. The External hopper
can be combined with all boiler sizes. This one is assembled on site, it comes from the factory disassembled. For a
description and assembly diagram, please refer to the Installation Procedure section of this manual.
Compact version of the hopper is shown on the right-hand side of the picture. This is already assembled from the factory,
and can be easily fixed to the boiler, on both sides according to the position of the pellet burner.
a)
External hopper
b)
3 main hopper legs - fixed to the top of the hopper
c)
Leg for inserting the External Feeder. There is a hole in the leg into which the feeder is inserted
d)
Cleaning hole for removing dust out of the hopper
e)
Filling opening - can be fitted with a cover
f)
Compact hopper
g)
Hole for changing the feeder to the other side
h)
Cleaning hole for removing dust out of the hopper
5.4.
External feeder
The external pellet feeder is used to transport pellets from the external hopper to the burner. It is only installed when
installed with the External Hopper, as the Compact hopper version already has this feeder integrated inside. The feeder is
equipped with a motor whose speed varies according to the boiler size. Check the label on the External Feeder to see
which boiler power this feeder is designed for. Only use the type of External Feeder that is designed for your boiler size.
a)
Feeder motor with capacitor - the bigger the boiler, the faster the motor
b)
PVC feeder pipe
c)
Feeder spiral
d)
Pellet inlet into feeder
e)
Pellet outlet from feeder to burner
f)
230V socket - for connecting the external feeder to external socket on the boiler