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Termination via internal discharge branch e.g
sink waste - downstream
Pipe must terminate
Direct Connect Fitting
above water level but
below surrounding surface
Sink
From Boiler
Fig. 13
Termination to a drain or gully
From Boiler
Fig. 15
Termination to a purpose made
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Termination to an internal soil and vent pipe
Direct Connect Fitting
From Boiler
Min. 450mm
Pipe must terminate above
water level but below
surrounding surface
soak-away
From Boiler
Fig. 16
5.0 Site Requirements
5.10
9. Ensure that the condensate can discharge freely (without
blockage or restriction of the pipe) into the drain.
10. Examples are shown of condensate pipe methods of
termination:-
5.11
1. The pump operates for 2 seconds when mains voltage is
applied to the boiler, e.g. when the power has been
interrupted and then reinstated.
Fig. 14
2. If the boiler reset rocker switch has been operated the
pump will run also for 2 seconds.
3. When the level of condensate in the sump is sufficient to
activate the discharge float switch the pump will run for 7
seconds, during which time about 0.6 litres of condensate will
be discharged.
4. In the event of condensate not being discharged the safety
float switch will operate when the volume of condensate in
the sump reaches 1.05 litres. Once the safety float switch has
been activated the boiler will lockout.
500mm Min.
5. The total volume of the sump is 1.5 litres.
Holes in the soak-away must
face away from the building
Condensate Disposal (cont.)
i)
via an internal discharge branch
(e.g. sink waste) - Fig. 13.
ii) to an internal or external soil and vent pipe -
Fig. 14.
iii) to a drain or gully - Fig. 15. Ensure that the
condensate can discharge freely (without
blockage or restriction of the pipe) into the
drain.
iv) to a soakaway - Fig. 16.
Condensate Pump Operation
19
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