Burner Removal & Cleaning; Cleaning The Condensate Trap/Siphon - Zanussi ULTRA+ COMBI 30 Installation And Servicing

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
flue manifold.
3. Lift the manifold to clear the bottom sealing gasket and remove
manifold.
4. Remove the 2 burner front fixing screws and loosen the 2 rear
extended nuts by at least ten turns.
5. Lift off the burner from the combustion chamber. To facilitate the
removal angle the burner as shown.
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.
5

3.5 CLEANING THE CONDENSATE TRAP/SIPHON

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
Installation and Servicing
SECTION 3 - SERVICING
4. Clean siphon with water.
5. Re-assemble in reverse order.
6. When re-assembling ensure the trap is full of water.
1
3
2
4
4
Filling Loop
CH DHW Condensate Gas DHW
Flow Outlet Drain Inlet
2
CH
CH Circuit
Return
Drain
41