Staircase control unit THZ
30
Functions and properties
1.2 Behaviour in the event of a fire
WARNING!
Danger of fatal injury in case of malfunctions during a fire since the rescue routes can fill with smoke!
The system has to function free of faults.
X
Eliminate all the faults immediately.
X
If the
yellow
fault display of the RWA switch lights up, inform those responsible immediately.
The emergency functions of the RWA emergency power supply unit are triggered by the RWA switch in case of a
fire.
In order to reset a fire alarm the RWA emergency power supply unit may only be opened by an instructed opera-
tor. The safety instructions and fire protection regulations in particular must be observed.
1.3 Intended use
With the emergency power supply unit rooms are ventilated and in case of a fire smoke extracted automatically.
The THZ emergency power supply unit fulfills sound engineering practice and conforms to the applicable safety
regulations. The system is designed solely for use in dry rooms.
2
Functions and properties
The RWA emergency power supply unit is the central control unit to which all components are connected. The
RWA emergency power supply unit controls the behaviour of the components, supplies them with power and
bridges power outages.
The RWA emergency power supply unit controls the smoke and heat extraction (RWA) of staircases, factory build-
ings, etc. Windows and smoke extraction openings can be controlled for normal ventilation operation by means
of drives. In the case of a fire alarm the windows and smoke extraction openings are opened or closed automati-
cally, depending on the configuration of the RWA emergency power supply unit.
2.1 Overview of the RWA emergency power supply unit
1
Drives of windows and smoke extraction flaps
2
Vent switch
3
Rain/wind control
4
Alarm/fault signals
5
RWA switch
6
Smoke detector and heat differential detector
7
Alarm from external fire alarm system
