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Worcester-Bosch GB162-80 Manual

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Installation
6720813171 (2016/05) 17
▶ Install the pump ( fig. 15, [8]) in the return circuit ( fig. 15,
[2]).
8.2.9 Installing the condensate trap
▶ Fill the condensate trap (supplied with the boiler) with water
( fig. 16).
Fig. 16 Filling the condensate trap with water
▶ Connect the condensate trap [1] to the condensate drain outlet
(CDO).
Fig. 17 Installing the condensate trap
[1] Condensate trap
▶ Connect the condensate trap hose [3] and the rubber sleeve [2] to
the condensate trap [1].
Fig. 18 Installing the condensate trap hose
[1] Condensate trap
[2] Rubber sleeve
[3] Condensate trap hose
8.2.10 Condensate removal
Positioning and termination of the condensate drain pipe
The condensate pipe should run and connected to the internal sewage
pipe in the house or waste pipe. Alternatively, the condensate can be
discharged into the rainwater system if connected to a foul water
draining system, or into a purpose-made soak away (condensate
absorption point).
All connecting drainage pipework should generally have a fall of at least
2.5° to the horizontal, or approximately 50 mm per metre of pipe run. If
this is can-not be achieved, consider the use of a sewage pump.
It should be noted that the connection of a condensate pipe to a drain
may be subject to local building controls.
Select a pump with a residual head of at least 200 mbar
at the minimum required volume flow ( table 4).
GB162-50 GB162-65 GB162-80 GB162-100
2,200 3,000 3,600 4,300
Table 3 Nominal required volume flow [l/h] at
Δ
T = 20 K
GB162-50 GB162-65 GB162-80 GB162-100
5,000 5,000 5,000 5,000
Table 4 Maximum volume flow [l/h] at
Δ
T = 20 K
GB162-50 GB162-65 GB162-80 GB162-100
90 170 225 320
Table 5 Resistance over the boiler at the nominal required volume flow
[mbar]
DANGER: Danger of fatal accident due to poisoning.
▶ If the condensate trap is not filled with water, flue gas
can escape and put people's lives at risk.
The trap is fitted with a bayonet connection. After
pushing [step 1] the trap upwards into place, you have
to turn it a ¼ turn anticlockwise [step 2] until it locks into
position.
6 720 648 726-016.1TD
WARNING:
Any external run must be insulated with water proof
insulation.
1.
2.
1
6 720 648 726-017.1TD
1
6 720 648 726-018.1TD
3
2
1
… 17 …


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