Glow-worm Ultrapower sxi Series Installation And Servicing page 32

10 Vertical - Flue Length, Preparation and Installation
NOTE: 2x45º bends can replace 1x90º bend if necessary.
When using 90º bends any horizontal extension pipe should
be inclined by a minimum of 44mm/metre (2.5°) towards
the boiler to facilitate condense removal, see (a) in diagram
10.19.
Alternatively use 45º bends to avoid horizontal runs, see (b) in
diagram 10.19.
The terminal should be positioned at least 600mm from any
opening into the building, refer to diagram 3.2.
Measure the distance of flue length required for the
installation.
The flue must be designed with a continuous fall towards the
boiler.
Flue Terminal Installation
Refer to diagram 10.21. Secure the flue adapter in position
on top of the boiler with four torx headed screws supplied,
making sure the nib fits into the locating slot in the boiler
casing to ensure correct orientation.
The rubber 'O' rings of each section should be lubricated
prior to assembly.
NOTE: Do not use mineral oils or grease, silicon grease or
water is recommended.
Secure the first extension pipe to the flue adapter with the
securing collar supplied by positioning the collar centrally
over the joint, then tighten the two screws on the securing
collar, see diagram 10.22.
Fit more extension pipes as required using the collar and
screws supplied with each extension pipe. To fit position
the collar centrally over the joint, tighten the two screws on
the securing collar. Using the holes provided in the securing
collar, drill and insert the two self tapping srews supplied, see
diagram 10.23.
The rubber 'O' rings of each section should be lubricated
prior to assembly.
NOTE: Do not use mineral oils or grease, silicon grease or
water is recommended.
When building the flue up it is recommended that it is
supported every 2 metres and at every bend by a fixing
bracket.
Project the rise of the flue pipe to roof level and cut a 150mm
hole in the roof.
Diagram 10.20
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