Worcester GB162-100

INSTALLATION
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25
Fig. 22 External termination of condensate drain pipe to
absorption point
1 External length of pipe 3m max.
2 Plastic tube
3 Bottom of tube sealed
4 Limestone chippings
5 Two rows of three 12 mm holes at 25 mm centres, 50 mm
from bottom of tube and facing away from house
6 Hole depth
7 Ground (either/or)
8.2.11 CONNECTING THE CONDENSATE DRAIN PIPE
B Connect the condensate drain pipe to the condensate
trap (Æ fig. 23, [1] and fig. 24, [1]).
Fig. 23 Connecting the condensate trap
1 Condensate trap
Fig. 24 Condensate drainage pipe
1 Minimum distance > 2 cm
Observe the following regulations:
• The (local) waste water disposal regulations.
• The condensate trap in the connection kit must not be
permanently connected to the condensate drain pipe.
The minimum distance between the condensate trap
and the condensate drain pipe is 2 cm.
An air gap should be maintained between the boiler
condensate trap and the condensate pipework.
8.2.12 CONNECTING THE EXPANSION VESSEL IN A
SINGLE-BOILER SYSTEM
B Connect the expansion tank to the boiler return
(CHR). If a non-return valve is available: connect the
expansion vessel to the CH-side of the non return
valve in the return circuit (Æ fig. 25, [1]).
Fig. 25 Connecting the expansion vessel in a single-boiler
system
1 Expansion vessel
When discharging condensate to an outside
drain caution must be taken to ensure
blockage cannot occur during freezing
conditions. If this is likely to occur, the use
of a condensate trap is recommended.
Ø100 mm min.
400 mm min.
300 mm min.
25 mm min.
1000 mm min.
Ø21.5 mm min.
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6
5
4
3
2
1
1
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CAUTION: Damage to the installation due to
faulty pressure relief valve.
B The expansion vessel must be of
sufficient capacity.
1
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