Baffle Configuration - Trianco Contractor WM70 HE INTERNAL User, Installation, Commissioning & Servicing Instructions

SERVICE PROCEDURE
1. Switch off the electrical supply to the boiler and remove
the front casing.
2. Switch off the oil supply to the burner.
3. Remove the flexible air supply hose from the burner.
4. Remove the burner. Ensure that if the oil supply line has to
be disconnected there is no spillage of oil. A peg is
provided on the front of the unit to hang the burner during
service.
5. Remove the baffle access cover from the front of the boiler
and lift out the baffles.
6. Brush all deposits from the baffles and clean the internal
surfaces of the boiler.
7. Remove deposits from the floor of the combustion
chamber with a vacuum cleaner.
8. Check the integrity of the access cover seal. Replace as
necessary.
9. Remove the access cover from the top of the condensate
unit and clean all accumulated deposits from within.
10. Check the integrity of the flue and burner gaskets.
Replace as necessary.
FIG 29

BAFFLE CONFIGURATION

When refitting baffles, failure to ensure the correct placement will result in incorrect
combustion, reducing the efficiency of the boiler and invalidating the appliance warranty.
11. Clean any deposits from the blast tube and replace the
nozzle.
12. Using the diagram below, replace the flue baffles in the
correct arrangement. Failure to ensure the correct
placement of baffles will result in incorrect combustion,
reducing the efficiency of the boiler and invalidating the
appliance warranty.
13. Refit the baffle access and condensate unit covers, ensuring
gas-tight seals are made using the wing-nuts and washers
provided.
14. Refit the burner and secure the air supply hose back in
position. If removed, refit the oil supply line. Replace the top
casing.
15. Switch on the electrical and oil supplies to the appliance.
Ensure that the external controls are calling for heat. The
boiler should now fire.
16. Check the combustion settings given against those in the
burner details leaflet and make any adjustments where
necessary.
17. Check all water connections and inspect for leaks.
BURNER SERVICING PEG
(hang burner on peg with
blast tube pointed upwards)
IMPORTANT:
31