Deutsch 
English Automatic gas burner control unit for gas, gas/oil and oil burners in continuous operation. Monitoring is by means of UV sensor QRA 5.. (gas and oil burners) or by means of an ionization sensor electrode (gas and blue flame burners). Also for quick steam generators. Also for WLE according to DIN 4794.
Technical data:
Pre-aeration time (t1): 66s
1st safety time (TSA): 2.5s
2nd safety time (t9): 5s
Factory setting of the times for 50 Hz mains frequency
Mains voltage: AC220 V -15%...240 V +10%
Mains frequency: 50 ... 60 Hz ±6%
Power consumption: 3.5 VA
Temperature range: -20 ... +60°C
Air humidity: < 95% r.h.
Protection class: IP40 (ensure by installation)
Dimensions: approx. 103 x 103 x 123 (L x W x H in mm)
Weight: approx. 1.00 kg
Technical data:
Pre-aeration time (t1): 66s
1st safety time (TSA): 2.5s
2nd safety time (t9): 5s
Factory setting of the times for 50 Hz mains frequency
Mains voltage: AC220 V -15%...240 V +10%
Mains frequency: 50 ... 60 Hz ±6%
Power consumption: 3.5 VA
Temperature range: -20 ... +60°C
Air humidity: < 95% r.h.
Protection class: IP40 (ensure by installation)
Dimensions: approx. 103 x 103 x 123 (L x W x H in mm)
Weight: approx. 1.00 kg