dreizler
®
burner control unit quattro pro for modulating marathon
®
burners
dreizler A 3001 E - 18.12.2015 | A 2068 - 1.09 | EN - 21.10.2009
146
NOTICE:
Binary inputs are potential-free.
The control unit is equipped with 5 different outputs and a serial interface:
* Type addition/option.
46.2 Operation
46.2.1 Operating levels
The controller has 4 operating levels:
46.2.2 Hystereses
The controller has 3 hysteres:
3. Power supply:
AC 100...240V, -10/ +10%, 48...63 Hz.
1. Burner release:
Output 1
Relay (closer)
2. Fuel/air composite control:
Output 2
Relay (actuator open)
Output 3
Relay (actuator closed)
3. Limit comparator:
Output 4
Relay (closer)
4.* measuring transducer supply:
DC 24 V, 30 mA (short-circuit-resistant)
5.* Fuel/air composite control:
Output 5
Continuous output (standard signals, e.g. 0 - 10 V)
6. Serial interface:
RS485
1. Standard display:
Shows current and setpoint value.
2. Operating level:
Changes of setpoint values.
3. Parameter level:
Configuration of PID ratio, actuator runtime, all hystereses, heating curve
gradient and parameter offset.
4. Configuration level:
Assignment of analog inputs, limit comparator function, control type, scaling,
input signals and upper and lower setpoint limits.
1. HYS1- Activation threshhold of the burner and release of 2nd step.
2. HYS2- Lower deactivation threshhold to deactivate 2nd step
3. HYS3 - Upper deactivation threshhold to deactivate the burner.
