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Electrical connection of flame detector
It is important for signal transmission to be almost totally free
of any disturbances or loss:
Technical data
LMV52... base
Mains voltage
control box
Mains frequency
Power absorption
Safety class
Load on 'input'
F1 unit fuse (internal)
terminals
Main fuse of perm. network (external)
Undervoltage
• Safety switch-off from operating position
to mains voltage
• Restart when mains voltage picks up
Oil pump / magnetic clutch (nominal voltage)
• Nominal current
• Power factor
Air pressure switch test valve (nominal voltage)
• Nominal current
• Power factor
Load on 'output'
Total load on the contacts:
terminals
• Mains voltage
• Total unit input current (safety circuit)
load on contacts due to:
- Fan motor contactor
- Ignition transformer
- Valve
- Oil pump / magnetic clutch
Single contact loading:
Fan motor contactor (nominal voltage)
• Nominal current
• Power factor
Alarm output (nominal voltage)
• Nominal current
• Power factor
Ignition transformer (nominal voltage)
• Nominal current
• Power factor
Fuel gas valve (nominal voltage)
• Nominal current
• Power factor
Fuel oil valve (nominal voltage)
• Nominal current
• Power factor
Cable lengths
Main line
Environmental
Operation
conditions
Climatic conditions
Mechanical conditions
Temperature range
Humidity
20087244
Technical description of the burner
14
GB
•
always separate the detector cables from the other cables:
– Line capacitance reduces the magnitude of the flame signal.
– Use a separate cable.
•
Respect the allowed cable lengths.
AC 230V -15% / +10%
50 / 60 Hz ±6 %
< 30W (normal)
I, with components in compliance with II and III, according to
DIN EN 60730-1
6.3 AT
Max. 16 AT
< AC 186 V
> AC 188 V
2A
cos ϕ > 0.4
0.5A
cos ϕ > 0.4
AC 230 V -15 % / +10 %
Max. 5 A
1A
cos ϕ > 0.4
1A
cos ϕ > 0.4
2A
cos ϕ > 0.2
2A
cos ϕ > 0.4
1A
cos ϕ > 0.4
Max. 100 m (100 pF/m)
DIN EN 60721-3-3
Classe 3K3
Classe 3M3
-20...+60°C
< 95% RH
Tab. G
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