Smoke and heat extraction system control panels

THZ Comfort N4 Staircase control panel in robust metal housing with illuminated SHEV and ventilation buttons for small smoke and heat extraction systems

THZ Comfort Complete smoke and heat extraction solution for staircases
  • Compact and attractive design with a very robust metal housing
  • Increased safety due to integrated, illuminated RWA and ventilation button
  • Adjustable backlight of the SHEV button
  • Safety and reliability confirmed by VdS recognition and TÜV test
  • Highest flexibility due to extensive parameter setting options
  • Quick and easy commissioning with the ST 220 service terminal
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  • Reduced installation effort thanks to integrated push buttons
  • Interconnection of several staircase control panels via potential-free contacts
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Application Areas

  • Smoke extraction in staircases
  • For smaller smoke and heat extraction solutions with one fire section
  • Connection options for smoke detector, FT 4 push button, fire alarm system contact, vent switch and weather sensors
  • For smoke and heat extraction system drives with a total power consumption of 4.5 A
  • Control of electromotive 24 V drives for smoke and heat extraction in the event of a fire
  • Control of a controlled natural ventilation
  • Suitable for new buildings and retrofitting

Technical data

THZ Comfort N4
Dimensions 140 x 248 x 85 mm
Width 140 mm
Height 248 mm
Depth 85 mm
Material Aluminium die casting
IP rating IP30
Service temperature -5 - 40 °C
Operating voltage 230 V AC
Power consumption (max.) 120 W
Connection cross-section / mains 1.5 mm²
Output voltage 24 V DC +/-15%
Residual ripple 2 %
Output current (max.) 4.5 A
Duty rating with maximum output current 30 %
Motor cable wire size 4 mm²
Battery capacity 2.3 Ah
Alarm groups 1
Vent groups 1 x
Networking of several control units Forwarding of alarm and reset signals for linking up to 10 control units
Signal outputs available 3 status contacts for which parameters can be set
Parameter setting of control units Service push buttons and 5 LEDs or ST 220
Standard conformity EN 12101-10, ISO 21927-9
Approvals VdS

Variants & Accessories


GEZE Central +82-02-6205-3070