Servicing and spares | 39
6 720 ... ... (YYYY/MM)Product Name
– CO
2
is less than 0.2%
▶ If the readings are outside these limits then this indicates that there
is a problem with the flue system or combustion circuit, e.g. missing
or dislodged seals
Fig. 51 Flue integrity test
10.4 Service inspection - Component access
Remove the boiler front panel to gain access to components.
▶ Pull the top corners of the front panel away from the case until the
ball catches are released.
▶ Lift the panel off the two lower brackets and set the panel aside.
▶ Lower the control panel into the service position.
▶ Remove the four screws securing the combustion chamber cover and
remove to gain access to the components.
Fig. 52 Component access
10.4.1 Control panel - Service position
To lower the control panel into the service position, remove one top
screw [1] from each side of the mounting bracket, loosen the bottom
screws slightly and pivot the panel forward. The control panel is
supported at approximately 100 °.
Fig. 53 Control panel to the service position
10.5 CHECKING THE GAS INLET PRESSURE
▶ Refer to section 7.5 and check that the gas working pressures in the
system conform to within the figures shown below:
6720809859-23.1Wo
NOTICE: Gas inlet pressure
▶ Ensure that the gas pressure is satisfactory with all
other gas appliances working.
▶ Do not continue with the other checks if the correct
gas pressure can not be achieved.
6720809859-18.1Wo
1
6720809859-19.1Wo
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