171 415 20 07-01
Function
1. Switch on operating switch and twin thermostat
The burner motor starts, an ignition spark is formed, the prepurge goes
2. Solenoid valve opens
(1)
(2)
transformer is connected to terminal 7
3. The safety time expires
burner will make an attempt to re-start.
3-4. Operating position
If the burner operation is interrupted by means of the main switch or the
thermostat, a new start takes place when the conditions in accordance
The oil burner control cuts out
A red lamp in the control is lit. Press the reset button and the burner
re-starts.
Post-ignition
(2) If a post-igniton of 15 s. is wanted, move the ignition transformer
Technical data
Pre-ignition time: 13 s
Pre-purge time: 13 s
(1) Post-ignition time: 15 s
(2) Post-ignition time: 2 s
Safety lock-out time: 10 s
Reset time after lockout: ≈ 50 s
Ambient temperature: from - 20 to +60°C
Enclosure: IP 40
Control of photo current
Current through photo unit is measured with a d.c. ammeter (a moving coil
ELECTRIC EQUIPMENT
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