Control And Regulating Centre Lmu; Fault Switch-Off - Potterton Paramount two Installation, Operation & Maintenance Manual

Fig. 26: Electrodes

10.9 Control and regulating centre LMU

10.10 Fault switch-off

PARAMOUNT two 30 - 115 kW
Description of function
Control and monitoring of the burner with contol and regulating
centre LMU, with ionisation electrode
Automatic start according to programme with monitoring of flame
forming. The sequence itself may be varied via parameters.
The display on the opertating display shows the individual opera-
ting or programme statuses by means of digits and text (see fault
code table).
Reset
After a reset (voltage OFF/ON) the control and regulating centre
LMU starts into home run.
Safety switch-off in case of flame failure during the operation.
After every safety stop, a new ingition attempt according to pro-
gramme is carried out. If this does not lead to a flame forming,
shut-off is carried out.
In case of fault switch-off, the reset button on the control panel
should be pressed.
In case of operation failure (bell symbol in the display), the digit
in the display on the operating panel indicates the cause of the
fault (see fault code table).
A
1 2 0 - 3 9 1 0 2 1 . 4
Servicing
71