Z 726 K

Burner control

Self-monitoring and fail-safe burner controls for the integration into the Hegwein burners and igniters.

Overview

  • Controlling and monitoring of gas and oil burners/gas and oil fired igniters of any capacity
  • Suitable for intermittent operation (Z 726 K2...) and continuous operation (Z 726 K3..., Z 726 KH..., Z 726 KE...)
  • Optional pre-purge of the combustion chamber with changeable pre-purge time and air pressure check
  • Optional changeable safety times
  • Optional input for external flame monitor
  • Optional re-cycling after flame loss in operating position
  • For Z 726 KH... und Z 726 KE...: Bargraph display and config-switch
  • For Z 726 KE...: Complete function range with 16-pin plug connector for not safety-related 4 - 20 mA output signal

Applications

  • Chemical industry
  • Refineries
  • Cement plants
  • Waste incinerators
  • Steam generators
  • Heating plants
  • Industrial furnaces

Technical Data

Z 726 K
Operational modeIntermittent Operation (Z 726 K2...) and
Continuous Operation (Z 726 K3..., Z 726 KH..., Z 726 KE...)
SafetySelf-monitoring and fail-safe
Mains voltage230 VAC +10%/-15% (standard Z 726 K.../000)
Mains voltage115 VAC +10%/-15% (special version Z 726 K.../00M)
Mains frequency50/60 Hz +/-5%
Power consumption20 VA
Pre-purge time0 s (optional 30/60/120 s)
First safety time3 s (optional 5/10/15 s)
Flame failure response time1 s (optional 2/3/5 s)
Flame intensity0 - 50 µA
Output signal (optional)4 - 20 mA (not safety-related)
Admissible ambient temperature- 30 °C to + 85 °C
InstallationIntegration into burner/igniter enclosure
Protection ratingIP 54 (front)
When in a mounted condition, protection rating IP 54
must be ensured as a minimum requirement.
DisplayLEDs
Weightapprox. 0,9 kg
Dimensions122 x 124 x 140 mm (WxHxD)

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