25
8 SPECIAL
POSITIONS
8.1 Ignition
position
The ignition point is independent from the other curve points of the air/fuel ratio curve.
As far as dual fuel burners, the ignition point set for the gas operation does not depend on the one set for the oil operation. LMV5x allow two different
ignition position for gas mode and oil mode.
The burner is provided with a factory-set ignition point, to make easier the first ignition procedure by the Service Centre.
The air actuator at the ignition point, is factory set at a 6°/7° opening, while the gas actuator is set at 12°/15°. In case of burner provided with VSD, it is
suggested to set ignition at 100% VSD frequency.
Following the below route access to the programming levels of the menu by means the Esc
1st level
2nd level
3rd level
4th level
5th level
6th level
Description
Params & Display
Menu level for making the
para- meter set- tings
RatioControl
GasSettings
OilSettings
Choose according to the fired
fuel.
Special Positions
IgnitionPos
HomePos
PrepurgePos
PostpurgePos
IgnitionPosGas
Set
the
proper
position
IgnitionPosAir Set
the
proper
position
IgnitionPosAux 1
Set the proper position
IgnitionPosAux 2
Set the proper position
IgnitionPosAux 3
Set the proper position
IgnitionPosVSD Set
the
proper
position
8.2 Prepurge
position
Following the same route up to the 4th level, choose the pre-purge position of the servomotors
8.3 Home
position
Following the same route up to the 4th level, choose the home position of the servomotors
8.4 Postpurge
position
Following the same route up to the 4th level, choose the postpurge position of the servomotors
Summary of Contents for HRX2050R
Page 40: ...PARTE III FUNCIONAMIENTO 40...
Page 51: ......
Page 53: ...Siemens LMV5x Service Manual M12920CC rev 2 1 08 2017...
Page 60: ...8...
Page 64: ...12 2 2 LMV5x program structure...
Page 91: ...39...
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Page 99: ......
Page 100: ...Note Specifications and data subject to change Errors and omissions excepted...
Page 102: ...Annex1 Example for motor cable...
Page 103: ......
Page 104: ...Annex 2 Example for sensor cable...
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Page 106: ......
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