
Gas fired igniter ZA0 / ZDA0
Specifications
Status: 11-2018
- 21 -
Characteristic
Value
Duty cycle
Spark transformer:
actuation via control unit
15 % duty cycle (cycle duration 3 min. = 100 %)
Primary thermal winding protection.
Ionisation flame monitor: 100 % duty cycle
Ambient temperature
- 30 °C to + 60 °C (condensation must be avoided)
Ambient temperature (special version)
- 30 °C to + 80 °C (condensation must be avoided)
Interconnection
With Hegwein control units (see chapter “Functional
characteristics and structure”)
Contact load with ZDA configuration at terminals 4,
5 and 6
SPDT contact (flame relay),
max. 250 V AC, 1A, cos
φ 1 (ohmic), fusing 1A
quick blowing on front plate
1) 2)
Safety time (flame failure detection time FFDT)
Switching threshold
≤ 1 s (optional 3 or 5 s)
≥ 1 µA
Flame signal to measuring sockets
0 - 25 µA (measurement range max. 50 µA)
Mech. service life of ionisation flame monitor
≥ 1 x 10
6
switching cycles
Electr. service life of ionisation flame monitor
250.000 switching cycles
1)
Terminal 5: Flame OFF signal, terminal 6: Flame ON signal
2)
The special version with gold contacts is exclusively intended for connecting low power outputs (< 1 VA).