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Type Summary; Legend - Siemens LOA2 Series Manual

Oil burner controls
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Type summary

The type references given in the table refer to oil burner controls with no plug-in base and no accessories. For ordering information for plug-in bases and other accessories,
see Accessories.
Article no.
Type
Standard version
BPZ:LOA24.171B27
LOA24.171B27
BPZ:LOA24.171B17
LOA24.171B17
BPZ:LOA24.173A27
LOA24.173A27
With remote reset facility
BPZ:LOA26.171B27
LOA26.171B27
BPZ:LOA36.171A27
LOA36.171A27
For incinerator plant
BPZ:LOA25.173C27 LOA25.173C27 ¹ )
BPZ:LOA28.173A27
LOA28.173A27 ¹ )

Legend

¹ )
LOA25... and LOA28... are designed for use on incinerator plant where lockout by extraneous light is not desired. These types of oil burner controls are not covered by EN 230
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
6/16
Building Technologies Division
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website:
https://www.add-furnace.com/
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Main voltage
Undervoltage detection
AC 220 V
AC 110 V
AC 220 V
AC 220 V
AC 220 V
AC 220 V
AC 220 V
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Times in seconds
t1
t3
TSA
t3n
min.
approx.
max.
approx.
approx.
13
13
10
20
13
13
10
20
13
13
10
20
13
13
10
20
13
13
10
20
13
13
10
---
13
13
10
---
Replacement
t3n'
t4
types
approx.
---
20
LMO14.111C2
LMO24.111C2
---
20
LMO24.111C1
2
20
LMO14.113C2
---
20
LMO14.111C2
LMO24.111C2
---
20
LMO14.111C2
LMO24.111C2
2
20
---
2
20
---
CC1N7118en
19.05.2016

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