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PART III: MAINTENANCE
37
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Checking the detection current with photocell (LME) (L.P.G.)
To check the detection signal follow the scheme in the picture below. If the signal is less than the value indicated, check the position of
the detection electrode or detector, the electrical contacts and, if necessary, replace the electrode or the detector.
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner’s main switch to 0 (Off position)
2
disconnect the power mains
3
close the fuel cock of the supply line
Burner disposal
In case of disposal, follow the instructions according to the laws in force in your country about the “Disposal of materials”.
WIRING DIAGRAMS
Refer to the attached wiring diagrams.
WARNING
1 - Electrical supply 230V / 400V 50Hz 3N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
Fig. 12: Detection by photocell QRA..
Control box
Minimum detection signal
Siemens LME7...
70µA (with UV detector)
Содержание TP90A-TP91A
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Страница 41: ...LME73 000Ax PME73 831AxBC LME73 831AxBC Service instruction manual M12921CB Rel 1 2 02 2016...
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Страница 64: ...Note Specifications and data subject to change Errors and omissions excepted...