3.4 BURNER REMOVAL AND CLEANING
1. Ensure the sump is fully drained.
2. Undo the two screws and remove the sump cover retaining the lower ue
manifold.
3. Lift the manifold to clear the bottom sealing gasket and remove manifold.
4. Remove the 2 burner front xing screws and remove the 2 rear extended
nuts by at least ten turns.
5. Lift off the burner from the combustion chamber. To facilitate the removal,
hold the DHW exible pipe against the front of the expansion vessel while
withdrawing the burner.
IMPORTANT
The burner head is a ceramic plaque construction. Care must be taken to
ensure that the burner is not placed down upon its face as this may
cause damage to the ceramic.
6. Brush off any deposits that may be on the ceramic with a SOFT brush.
7. Inspect the sealing gasket around the burner for any signs of damage.
Replace as necessary.
1. Pull off the rubber pipe at the sump drain.
2. Disconnect the condensate drain pipe.
3. Turn the siphon clockwise to disengage and lift to remove.
Note. Keep siphon upright when removing
4. Clean siphon with water.
5. Re-assemble in reverse order.
6. When re-assembling ensure the trap is full of water.
3.5 CLEANING THE CONDENSATE TRAP/SIPHON
3
2
2
4
5
1
2
SERVICING
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