Condensate Trap Function; Removal - Biasi RIVA ADVANCE HE M110.24SM/C Service Manual

21 Condensate trap
21.1
Function
The condensate trap A in Fig. 21.1 and Fig. 21.2 allows
the discharge of the condensate via the condensate
drain pipe avoiding in the mean time the escape of
combustion products.
A plastic ball closes the trap outlet in case that the trap
is empty.
A
Fig. 21.1
If the drain pipe is plugged or in any case in which the
condensate isn't correctly evacuated, the condensate
42
level in the trap rises till it reaches thus causing the
boiler lock ---out.
21.2

Removal

Warning: isolate the boiler from the mains
electricity supply before removing any
covering or component.
1 Remove the front and right case panels.
2 Remove the motor of three way diverter valve
(see section 8.4).
3 Disconnect the trap from the draining pipe.
4 Using pliers, remove the spring B moving it up-
wards.
5 Unscrew the lock ---nut C and lower the trap.
6 Reassemble carrying out the removal operations
in reverse order.
A C B
Fig. 21.2