22
USER GUIDE
BURNER SHUTDOWN
If the burner is not working:
1.
The burner indicator lamp lights up on the control panel.
2.
Press the burner reset button on the control panel. Now switch
off the boiler for a few seconds at the main switch and then
restart it.
If the burner does not operate, isolate the boiler's
electrical supply at the switch on the external control
box before removing the front panel of the casing.
3.
Reset the manual reset high limit thermostat on the top of the
boiler.
Wait until the boiler temperature has fallen to below
60°C, then refit the front panel of the casing.
5.
If the problem persists, please contact your installer for advice.
Starting the burner.
In normal operation the burner starts automatically if the temperature
of the boiler is below setpoint.
To ensure that your system operates correctly, please
have it serviced annually by a qualified engineer;
servicing should be done before the start of the
heating season.
Summary of Contents for Delta
Page 9: ...28 SPARE PARTS B49 B51 B52 B50 B53 B55 B54 ...
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