LOA24 Siemens

SIEMENS FLAME CONTROL
Obsolete models, replaced by LMO24 series

Flame controller Siemens for use with oil burner.
Delivery:
OBSOLETE, REPLACED BY LMO24 SERIES
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Obsolete models, replaced by LMO24 series

The LOA... are used for the startup, supervision and control of single- or 2-stage forced draft oil burners in intermittent operation, and with an oil throughput up to 30 kg/h. Yellow-burning flames are supervised with photoresistive detectors QRB..., blueburning flames with blue-flame detectors QRC...


Specifications: 

- Complete reference: LOA24.171B17, LOA24.171B27, LOA24.173A27
- Forced draft oil burners conforming to EN 267 
- Oil atomization burners as monoblocks conforming to EN 230 
- Undervoltage detection 
- Bridging contact for oil preheater 





Version

Reference

Power supply

Under-voltage detection

CE

t1

t3

TSAmax

t3n

t3n’

t4

Replace-ment for

Estandard

LOA24.171B17

110 V

X

X

13

13

10

15

--

15

LAI2.3

LOA24.171B27

220V

X

X

13

13

10

15

--

15

LOA24.173A27

220V

X

X

13

13

10

20

2

20

LAI2.3


Legend:

t1 Prepurge time 
t3 Preignition time 
t3n Long postignition time 
t3n´ Short postignition time 
t4 Interval from establishment of flame to the release of «BV2» 
TSA Ignition safety time


** Model LOA24.171B27 can be replaced by LMO14.111C2 or LMO24.111C2