PRE-INSTALLATION
6 720 815 725 (2015/05) 15
Fig. 15 Condensate pump to external disposal
Fig. 16 Soak away
3.5 BOILER INTERNAL DRAIN
The CDI Classic
ErP
has the facility to drain the water direct from the
boiler through the condensate pipe.
Fig. 17 Drain tap positions
If the boiler uses a soakaway or a condensate pump:
▶ Use an esxternal drain point on the system to prevent excess system
water being drawn through the saokaway or condensate pump
NOTICE: Unheated internal areas.
▶ Internal pipe runs in unheated areas such as lofts,
basements and garages should be treated as external
runs and consideration should be given to using a
CondenseSure siphon.
25mm min.
14
13
1
7
6720644744-12.3Wo
13
14
10
500mm min.
25mm min.
400mm
min.
1
12
11
9
6720644744-11.3Wo
9
10
6 720 815 723-02.2O
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