Glow-worm Betacom C - Manual (Page 30)

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9 Vertical - Flue Length, Preparation and Installation
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Diagram 9.19
9.12 Flue Installation
Refer to diagram 9.20 and secure the flue adapter in position
on top of the boiler with four screws supplied,
NOTE: The rubber ‘O’ rings of each section should be
lubricated prior to assembly. 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 9.21.
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 screws supplied, see
diagram 9.22.
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 installing the flue 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.
9.13 Flue Terminal Installation
(a) Pitched Roof
Fit the required pitched roof weather collar over the 150mm
hole in the roof. Make good the tiling or slating around the
collar incorporating the flashing of the weather collar. Position
the angle cap over the weather collar in the correct orientation
to attain the correct angle for your roof.
(b) Flat Roof
Fit the aluminium weather collar over the 150mm hole in the
roof ensuring a weather tight seal.
From above carefully place the flue terminal through the
weather collar.
9.14 Flue Terminal to Boiler Connection
Should the clearances above the boiler to roof not allow for
extensions, it is permitted to cut the flue terminal ensuring the
relationship of flue and air duct lengths are retained.