31
20010950
GB
Start-up, calibration and operation of the burner
6.9
Operation sequence of the burner
6.9.1
Burner starting
Key to layout
(Fig. 37 and Fig. 38)
MV - Fan motor
MP - Pump motor
SM - Servomotor
TA - Ignition transformer
TL - Limit pressure switch/thermostat
TR - Control pressure switch/thermostat or output regulator
Y
- Light oil/gas valve
YP - Pilot valve
6.9.2
Undesired shutdown during operation
If the flame should accidentally go out during operation, the burn-
er will lock out within 1s.
To check the full operating programme, refer to the LMV instru-
ment reference handbook, supplied during the technical service
training.
6.10
Final checks (with the burner working)
Open the thermostat/pressure switch TL:
Open the thermostat/pressure switch TS:
the burner must stop.
Rotate the maximum gas pressure switch knob to the mini-
mum end-of-scale position.
Rotate the air pressure switch knob to the maximum end-of-
scale position.
the burner must stop in lockout.
Switch off the burner and disconnect the voltage.
Disconnect the minimum gas pressure switch connector.
the burner must not start
Disconnect the QRI cell wire.
the burner must stop in lockout due to firing failure
Make sure that the mechanical locking systems on the differ-
ent adjustment devices are fully tightened.
6.11
Faults/Suggested remedies
The instrument supplied features a diagnostics function through
which any causes of malfunctioning are easily identified.
To consult the full list, refer to the instrument reference hand-
book, supplied during the technical service training.
TL
TR
MV
SM
Y
MP
TA
YP
Fig. 37
NORMAL FIRING
D9335
TL
TR
MV
SM
Y
MP
TA
YP
Fig. 38
NO FIRING
D9336
Summary of Contents for RLS 800/EV MX
Page 2: ......
Page 38: ......
Page 75: ...37 20010950 Appendix Annexe 0 0 0 0 0 0 0 00 0 0 00 1 2 2 2 3 2 4 2 2 2 2 2 2 2 2 2 2 3 2 ...
Page 76: ...20010950 38 Appendix Annexe ...
Page 78: ...20010950 40 Appendix Annexe ...
Page 79: ...41 20010950 Appendix Annexe 0 1 1 1 ...
Page 80: ...20010950 42 Appendix Annexe 0 ...
Page 81: ...43 20010950 Appendix Annexe 0 0 1 2 2 2 3 2 4 2 2 2 2 2 2 2 52 5 5 2 2 3 2 ...
Page 82: ...20010950 44 Appendix Annexe 0 0 1 2 0 0 3 3 3 0 1 4 ...
Page 85: ...47 20010950 Appendix Annexe ৼ 0 1 1 1 1 1 2 2 2 0 2 2 2 2 2 2 2 2 2 2 2 0 2 3 ...