For natural ventilation and smoke and heat extraction (SHEV) for one alarm and one fan group. VdS approval in accordance with VdS 2581, 2593, DIN EN 60335, and DIN EN 12101-10 tested. The THZ Comfort N4 emergency power control unit manages the behavior of all connected components, supplies them with power, and bridges power failures. Drives are used to control windows and smoke vents for normal ventilation operation or to automatically open or close them in the event of a fire alarm, depending on the configuration. Linking several THZ Comfort N4 units is possible (ring or master/slave).

Technical features:

• Mains supply voltage: 230 V AC / 50-60 Hz (+/- 10 %)
• Power consumption: 120 W
• Output voltage drives: 24 V DC (+/- 5 %) / battery operation +/- 15 %
• Output current drives: 4.5 A (max.)
• Residual ripple: 2 %
• Connection cross-section: min. 1.5 mm² / max. 2.5 mm²
• Battery capacity: 2.1 - 2.3 Ah
• Battery voltage: 2 x 12 V
• Emergency power operation: 72 hours

Connection options:

• Up to 10 smoke detectors RM 1003 or heat differential detectors WM 1005
• Up to 8 SHEV buttons FT 4 A-24 V DC
• For 3 fan buttons with LED (LTA 24 AZ) - any number without connected LED
• Simple connection to FACP via FACP input (e.g., BMZ in dead man's function)
• Wind/rain detector can be connected without additional module
• 3 potential-free signaling contacts can be parameterized
• Connection for GEZE service terminal ST 220

Brand: Geze
Mounting type: Surface-mounted
Protection class: IP 30
Dimensions (W x H x D in mm): 140 x 248 x 85
Colour: Grey RAL 7035 / Orange RAL 2011
Temperature range (°C): -5 to +40
Material: Die-cast aluminium
Contents (ST): 1.