User manual

INSTALLAT ION
mini HE --- Installation & Servicing
19
16 CUTTING THE FLUE
Notes.
A If using the extension ducts go to Frame 17.
B If stand ---off frame is used it is essential this is taken into
consideration when marking the flue (see Frame 11).
1 Measure and note the wall thickness.
2 For side flues measure and note the gap between the
casing and wall.
3 From the table in Frame 11, determine the flue length
required. Mark and cut both outer and inner tube.
Ensure the support spring clip is in position to facilitate
cutting.
4 Toensurethetubeiscutsquare,markthefluealltheway
around.
Measure from
this
RING
17 FITTING THE EXTENSION KITS
1 Fittheinnerflueextensionductontotheinnerflueduct.
2 Fit the out er flue extension duct onto the outer air duct.
3 Repeat steps 1 and 2 if a second flue extension is
required.
4 Measure and mark the flue length required onto the flue,
measuring from the ring near the terminal. (Refer to Frame
11 for the detail of flue length calculation).
5 To ensure a square cut, mark the flue all the way around.
6 D e --- b u r r t h e c u t e d g e s .
1
2
Measure from
this
RING
INSTALLATION