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Electrical connection of ionization probe and flame detector
It is important to achieve practically disturbance- and loss-free
signal transmission:
Technical data
LMV52... basic unit
Mains voltage
Mains frequency
Power consumption
Safety class
Terminal loading
Unit fuse F1 (internally)
'Inputs'
Perm. mains primary fuse (externally)
Undervoltage
• Safety shut-down from operating position
at mains voltage
• Restart on rise in mains voltage
Oil pump / magnetic clutch (nominal voltage)
• Nominal current
• Power factor
Air pressure switch test valve (nominal voltage)
• Nominal current
• Power factor
Terminal loading
Total contact loading:
'Outputs'
• Mains voltage
• Input current of unit (safety loop) total
load on contacts resulting from:
- 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 valve gas (nominal voltage)
• Nominal current
• Power factor
Fuel valve oil (nominal voltage)
• Nominal current
• Power factor
Cable lengths
Main line
Environmental
Operation
conditions
Climatic conditions
Mechanical conditions
Temperature range
Humidity
Technical description of the burner
• Never run the detector cables together with other cables:
• Observe the permissible cable lengths.
15
GB
– Line capacitance reduces the magnitude of the flame signal.
– Use a separate cable.
AC 120 V -15 % / +10 %
50 / 60 Hz ±6 %
< 30 W (typically)
I, with parts according to II and III to DIN EN 60730-1
6.3 AT
Max. 16 AT
< AC 96 V
> AC 100 V
1.6A
cos > 0.4
0.5A
cos > 0.4
AC 120 V -15 % / +10 %
Max. 5 A
1A
cos > 0.4
1 A
cos > 0.4
1.6 A
cos > 0.2
1.6 A
cos > 0.4
1.6 A
cos > 0.4
Max. 100 m (100 pF/m)
DIN EN 60721-3-3
Class 3K3
Class 3M3
-20...+60 °C
< 95 % r.h.
Tab. I
20142253
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