User manual
EXHAUST PASSAGES (semi-annually)
To prevent build up of fly-ash all the exhaust passages must be cleaned and vacuumed. 
Routine Cleaning and Maintenance
If the glass has build up that can not be removed with only the cloth, clean the glass using paper towel 
and a gas appliance glass cleaner, this may be purchased through most dealers. If a gas appliance glass 
cleaner is not available, use a damp paper towel dipped in y ash to clean the glass. After the glass has 
been cleaned use the dry soft cloth to wiping down the outside and inside of the glass. 
Vacuum inside ash
box compartment.
Heat exchanger tubes
cleaner handle.
Burn pot
clean-out lever.
Empty ash box.
Vacuum the top &
bottom air wash.
11
Figure 6: Bern Open
ASH PAN (weekly)
This  part  is  located  under  the  door.  To  remove 
the ash pan, open the cover from the right hand 
side, and lift the ash pan up and out. Dump the 
ashes  into  a  metal  container  stored away from 
combustibles. Monitor the ash level every week. 
Remember  that  different  pellet  fuels  will  have 
different  ash  contents.  Ash  content  is  a  good 
indication  of  fuel  efficiency  and  quality.    Refer 
to  “SAFETY  WARNINGS  AND  RECOMMENDATIONS”  for 
disposal of ashes. Vacuum the inside of the ash 
pan  compartment  inside  the  pedestal  including 
the  hole  at  the  top  back  of  the  compartment. 
Replace the ash pan and close pedestal door. DO 
NOT  PLACE  UNBURNED  OR  RAW  PELLET 
FUEL IN ASH PAN.
AIR INTAKE (semi-annually)
Inspect periodically  to be sure  that it is  not 
clogged with any foreign materials.
Loosen the four (4) screws, rotate
counter-clockwise & remove.
Loosen the screw &
rotate the cover
(left & right sides)
Clean behind clean-out covers:
• Open ash box cover.
• Remove ash box.
• Using a 
5
/16” socket, loosen the 
six  (6)  screws  in  the  ash  box 
compartment;  four  (4)  on  the 
back and one (1) on each side 
(see Figure 7).
• Rotate the back cover counter-
clockwise to remove and rotate 
the side covers to open them.
• Vacuum  out  all  three  (3) 
chambers.
• Close  all  the  clean-out  covers 
and tighten the screws.
Figure 7: Bern Clean-Out Covers.










