Pre-installation
7
Greenstar Condensfit II – 6 721 819 755 (2019/12)
Reducing the fixed flue length
Refer to figure 12
▶ Mark the length required from the inside face of the seal [1] on the
terminal end, down the length of the terminal section ( minimum
100mm).
▶ The flue has a centralising spacer to support the inner tube. Move this
spacer into the flue past the section to be cut to support the flue
during cutting.
▶ Cut square, taking care not to damage the tubes, remove the
unwanted sections [2], chamfer the edge of the inner aluminium tube
and remove any burrs from both tube sections.
Fig. 12 shortening the flue assembly
Extending the flue length
▶ Select the required number of extensions and elbows to achieve the
required flue run.
▶ Add the flue extensions between the flue elbow and fixed terminal.
▶ If cutting is required:
– Where possible it is recommended to cut extensions rather than
the horizontal fixed flue.
3.2.3
Reducing extension flue tube length
Flue extensions:
▶ Flue extension are available in 3 sizes, a 220mm, 1,000mm and
2,000mm lengths.
To shorten the flue extension tube:
▶ Mark the length required on the extension tube, measuring from the
socket end [1].
▶ Cut square, taking care not to damage the tubes, remove the
unwanted sections [2], chamfer the edge of the plastic inner tube
and remove any burrs from both tube sections.
Fig. 13 Cutting an extension tube
3.2.4
High level horizontal flue installation
It is possible to convert the horizontal fixed flue kit to a high level
horizontal flue system, there are a few considerations to be taken into
account.
▶ Removal of the flue elbow.
▶ Discard the flue elbow.
▶ Fit a high level horizontal flue adaptor (part no. 7 719 002 432) to
the appliance flue outlet.
▶ A 90° elbow (part no. 7 716 191 084) can be fitted directly into the
high level horizontal flue adaptor or use an extension between the
high level horizontal flue adaptor and the 90° elbow.
Once the wall template has been fixed to the wall, the new position for
the flue outlet must be measured to correctly mark and drill the hole for
the flue exit. When installing with the high level horizontal flue adaptor
the flue is 68mm taller than the standard horizontal fixed flue option.
▶ For the new centre line for the 60/100mm flue, on the appliance wall
mounting template:
– Measure above from the existing 60/100mm centre 68mm.
– Mark the new centre line [1] for the 60/100mm flue exit.
– Drill hole a 150mm in diameter using a core drill or similar.
Fig. 14 Adjusted 60/100mm flue exit hole
Minimum
100mm
0010031932-001
2
1
2
1
0010013487-001
1
60/100 centre
0010013799-001
