PRE-INSTALLATION
6 720 821 670 (2018/06) 17
4.3.2 INTERNAL CONNECTIONS
In order to minimise risk of freezing during prolonged cold spells, the
following methods of installing condensate drainage pipe should be
adopted, in order of priority.
Wherever possible, the condensate drainage pipe should be routed and
terminated so that the condensate drains away from the appliance under
gravity to a suitable internal foul water discharge point such as an
internal soil and vent stack. A suitable permanent connection to the foul
waste pipe should be used.
Fig. 9 Disposal to soil vent stack
Alternatively if the first option is not possible an internal kitchen,
bathroom or washing machine waste pipe etc. can be used.
Ensure that the condensate drain pipe is connected “down stream” of
the waste trap.
Fig. 10 Disposal to a waste pipe
CONDENSATE PUMP
Where “gravity discharge” to an internal termination is not physically
possible, or where very long internal runs would be required to reach a
suitable discharge point, condensate should be removed using a
proprietary condensate pump, of a specification recommended by the
appliance or condensate pump manufacturer.
The pump outlet pipe should discharge to a suitable internal foul water
discharge point such as an internal soil and vent stack or if not possible
to internal kitchen, bathroom or washing machine waste pipe etc. A
suitable permanent connection to the foul waste pipe should be used.
Fig. 11 Condensate pump disposal
6720644744-06.4Wo
22mm Ø
1
3
2
6720819188-03.3Wo
22mm Ø
75mm
min.
1
1
75mm
min.
22mm Ø
5
6
6
5
6720819188-12.2Wo
22mm Ø
2
1
7
3
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