Kastor KARHU 20 PK VV [44/88] Connecting to a kastor chimney karhu and karhu jk

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Make a hole in the wall. Its size should leave about 10-20mm of clear space all around
the door extension.
Remove the stove door by taking the hinge pin off (note the 2 base plates between door
and frame).
Remove the ash door.
Install the stove from the sauna side and push it as far as possible through the wall, so
that the door extends about 40mm beyond the wall.
Insulate the gap between feed door and wall with fireproof mineral wool. Follow the
instructions of the mineral wool manufacturer!
Install the frame into place via the door (do not yet attach it to the wall).
Attach the door. Remember the base plates. At this point, you may choose the door's
opening direction.
Place the rivet in the upper part of the frame in the remaining hole.
Put the ash door into place.
Ensure that a gap of 5-10mm remains between extended door and the frame on top of it
to allow for heat expansion.
Attach the frame to the wall with six 5mm screws using metal attachments that are
embedded in the wall.
2.5.4. Connecting from the top. Karhu and Karhu-JK
Place the heater's own connecting pipe to the heater's upper flue opening. (Check 2.4)
Make a hole in the brick chimney which is 2–3mm bigger than the connecting pipe.
Use a 45° bent pipe for the connection from the top of the stove, which can be turned to align
with the chimney. Suitable 45° bent pipes are available at the hardware store. Extend the
bent pipe with an extension piece, if necessary. Install the stove’s own connection pipe in
the flue opening on top of the stove according to stove model instructions. The bent pipe
is then attached to the stove’s own connection pipe. Saw the bent pipe and any extension
pipe down to a suitable size where necessary. Make sure the pipe extends sufficiently into
the chimney (but not so far that it blocks up the chimney).
Seal the empty space between connection pipe and chimney with flexible, fireproof material
such as stone wool. The lead-through is then tidied up with a Kastor covering plate, which
is available at your hardware store. The covering plate is attached to the wall with metal
bolts or fireproof paste. See picture 2.5.2.
2.6. Connecting to a Kastor chimney. Karhu and Karhu-JK
The Kastor stove can be connected from the top to a factory built Kastor chimney. (check
2.4).
Make sure to choose the correct chimney type with regard to your stove model, chimney
height, temperature class T 600, exterior circumstances etc. For best results we
recommend that you install a chimney valve.
Install the heater's own connecting pipe to the upper flue opening on top of the heater.
Install a no insulated connection pipe and any necessary extension piping on top of the
stove’s own connecting pipe. Where necessary, saw the connection pipe and the
extension pipe down to suitable size.
Karhu JK-model: Install the stove’s own connecting pipe into the stove’s door-side flue
opening on the top.
Install a no insulated connection pipe and any necessary extension piping on top of the
connecting pipe.Where necessary saw the connection pipe and the extension pipe down
to suitable size.

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