48
NOTE: If the anode has reduced in size by more than 40% at any point along its length or if it is severely
pitted, a new anode should be fitted. Particular attention should be paid to the ends of each
anode to ensure excessive localised depletion has not occurred. Where the anode is covered
with particles it should be cleaned.
4.
The reassembly procedure is the reverse of removal, ensuring a water tight joint is achieved on the
cleanout cover.
15.6
REFILLING THE WATER HEATER
1.
Close the drain valve. Open a hot water fixture to allow air to escape. Open the cold water supply to
water heater and allow the tank to fill.
2.
Follow the lighting instructions as detailed in
Section 12.4.4: PROCEDURE FOR INITIAL LIGHTING
3.
Check for water leakage.
4.
Install the front cover for LBF81/121 or the outer cover plate from lower side of water heater jacket for all
other models.
15.7
BURNER REMOVAL AND CLEANING
If it has been determined that the flame picture is unacceptable, the burner can be removed and cleaned using the
following procedures:
15.7.1
LBF81 & LBF121
1.
If the appliance is firing, either turn down the thermostat or switch the power button to the off position.
2.
Isolate the electrical and gas supplies to the heater.
3.
Allow the appliance to cool down.
4.
Remove the front cover.
5.
Remove the control panel.
6.
Disconnect the wiring to the ignition and flame sense electrodes, noting the correct locations for each.
7.
Remove the outer base cover from the appliance.
8.
Remove the inner base cover by removing the retaining nut, 1 x screw and 2 x locating studs.
9.
Detach the gas pipe from the burner assembly.
10.
Unclip the burner assembly from the storage vessel body and remove from the appliance.
11.
With the burner assembly away from the heater, the burner can be gently cleaned with the brush
attachment of a vacuum cleaner.
12.
Clean the ignition and flame sense electrodes before reassembling the appliance.
The reassembly procedure is the reverse of the above taking care to ensure the burner seal is intact or replaced
as necessary.
15.7.2
LBF151 – LBF401
1.
If the appliance is firing, either turn down the thermostat or switch the power button to the off position.
2.
Isolate the electrical and gas supplies to the appliance.
3.
Allow the appliance to cool down.
4.
Detach the gas pipe from the burner assembly.
5.
Disconnect the wiring to the ignition and flame sense electrodes, noting the correct locations for each.
6.
Remove the 5 retaining nuts on the burner door then slide out complete burner assembly.
7.
With the burner assembly away from the heater, the burner can be gently cleaned with the brush
attachment of a vacuum cleaner.
8.
Clean the ignition and flame sense electrodes before reassembling the appliance.
The reassembly procedure is the reverse of the above taking care to ensure the burner door seal is intact or
replaced as necessary.
Summary of Contents for LBF121
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