Bosch Worcester Greenstar Danesmoor 12/18 Installation, Commissioning And Servicing Instruction Manual page 42

Service and Spares
Cleaning the boiler, manifold access:
Do not use wire brushes and cleaning agents to clean the
stainless steel secondary heat exchanger components.
▶ Release screws (A) to remove the flue manifold access cover (B) and
clear any debris.
▶ Check the flue system and clean if necessary.
▶ Remove the baffle retainer (C) and baffles (D) from the secondary
heat exchanger.
▶ Check and clean the secondary heat exchanger surfaces.
▶ Check the condensate route (E) is clear.
▶ The condensate trap (F) should be removed and checked for debris.
▶ Release the pipe locking tab (G) and disconnect the flexible pipe (H)
from the top of the trap and move the flexible pipe up away from the
trap.
▶ Release the trap locking tab (I) and move the trap up and back to
remove from its mountings.
▶ Clean the trap by flushing with water.
▶ Check the O ring seals and replace if necessary, grease the seals with
a solvent free grease.
▶ Refit the trap making sure that the locking tabs are locked in place.
H
G
F
Fig. 79 Condensate trap removal
[F] Condensate trap
[G] Pipe locking tab
[H] Flexible pipe
[I] Trap locking tab
[K] Trap retaining bracket
▶ Pour 500ml of water into drain (E) to refill the condensate trap.
Ensure that the trap is discharging correctly and that all condensate
pipework joints are water tight.
▶ Clean the secondary heat exchanger baffles (D) if necessary and refit
correctly.
▶ Refit the baffle retainer (C).
▶ Check the seal on the manifold access cover (J) and replace if
necessary.
▶ Refit the flue manifold access cover (B) and secure with screws (A).
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I
K
6720808218-82.1Wo
A
B
C
D
E
Fig. 80 Heat exchanger baffles
6 720 808218 (2013/10) Danesmoor Kitchen and Kitchen System
J
6720808218-80.1Wo