21
Grant Vortex External Module
5 - CONDENSATE DISPOSAL
The condensate trap outlet is at an angle of 48° below
the horizontal. This is to automatically give a 3° fall on
any 'horizontal' runs of condensate disposal pipe. Refer
to Fig.13.
The outlet of the trap will accept 21.5 mm to 23 mm
OD Polypropylene overflow pipe for the condensate
discharge pipe.
Possible routes for disposal pipework
The casing of the Vortex External Module has several
50 mm diameter openings in both the sides and base of
the casing. These are designed to allow pipework to
pass through the casing, as required, to suit the
installation. These openings can be used to allow the
condensate disposal pipe to exit the casing in one of
the following ways:
Side outlet – The lower opening on either side of the
boiler casing can allow the condensate disposal pipe to
be installed as follows:
• Connection to an internal stack – passing back
through the wall of the house
• Connection to an external soil stack adjacent to the
boiler
• Discharge into an adjacent (external) drain or
gulley
• Discharge into a soakaway – with pipe either above
or below ground level
Bottom outlet – There are three openings in the base
of the boiler casing that can allow the condensate
disposal pipe to be installed as follows:
• Discharge into a drain or gulley beneath the boiler
(e.g. drain built in to the concrete base for the
boiler)
• Discharge into a soakaway – with pipe below
ground level
The trap MUST be checked at regular intervals (e.g.
on every annual service) and cleaned as necessary to
ensure that it is clear and able to operate.
Note: The bottom bowl is sealed to the trap body and
cannot be removed.
To inspect and clean the trap:
1 Disconnect flexible condensate hose from inlet
connector.
2 Unscrew the outlet connection nut.
3 Remove the outlet connector and nut from trap.
4 Remove trap from bracket.
5 Remove float from trap – clean if necessary.
6 Inspect inside of trap and clean as necessary.
7 Re-assemble trap, re-fit to boiler and re-connect
flexible hose. Ensure that hose is fully pushed onto
the trap inlet connector.
IMPORTANT: Failure to regularly check and clean
the condensate trap may result in damage to the boiler
and will not be covered by the Product Warranty.
Condensate disposal pipework
5.6
Inspection and cleaning of trap
5.7
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