RZ25 / RZ50 / RZ75 compact control units
for stairwells and smaller projects
- Compact, robust steel housing
- Regulated output voltage
- Connection of up to 5 central control units, with real cable monitoring
- up to five physically separate ventilation groups
- Central ventilation push-button function for all connected central control systems
- Comfortable and clear status, error and fault signalling via LED indicators
- Wide range of adjustment and application functions:
- Automatic ventilation <CLOSE>: with programmable time selection
- Dead man's switch function in <OPEN> and <CLOSE> direction
- Runtime limitation for ventilation, adjustable
- Integrated, acoustic alarm signalling device with switch-off function
- Automatic closing of windows in case of power failure
- Selection of the drive running direction in the event of an alarm
- Relay outputs for alarm and faults
- RZ50/RZ75: connection of wind/rain detector without auxiliary module, with integrated evaluation and wind measurement (adjustable wind speed)
- Easy to install, commission and maintain
- Maintenance interval: signal for yearly maintenance/inspection
- Connection to BKS-NET bus
Technical data
| Type | RZ25 | RZ 50 | RZ75 | |
| Electric | ||||
| Operating voltage | ||||
| Nominal voltage | ||||
| Output current | 3.2A | 6.5A | 8.4A | |
| Connection cross-section for mains / drive line | ||||
| Emergency power supply (backup batteries) | ||||
| RWA and ventilation groups | ||||
| Max. number of RWA groups | 1 | 1 | 1 | |
| Max. number of ventilation groups | 1 | 1 | 1 | |
| Linking of multiple control centres | up to 5 central control units = 1 RWA and up to 5 ventilation groups possible | |||
| Alarm triggering and ventilation control | ||||
| Alarm line 1: manual triggering | Max. number of RWA push-buttons 'HSE' | 10 | 10 | 10 |
| Alarm line 2: automatic triggering | Max. number of smoke/heat detectors | 10 | 10 | 10 |
| Triggered via FAS | optional | optional | optional | |
| Ventilation control | Ventilation push-button | any (without LED), 10 (with LED) | any (without LED), 10 (with LED) | any (without LED), 10 (with LED) |
| Connection of wind/rain detector | yes | yes | yes | |
| General information | ||||
| Protection type | ||||
| Dimensions (WxHxD) | ||||
| Dimensions (WxHxD) with IP 54 installation kit | ||||
| Surface-mounted housing | sheet-steel, RAL 9010 | sheet-steel, RAL 9010 | sheet-steel, RAL 9010 | |
| Ambient temperature range | -5 °C up to +40 °C | -5 °C up to +40 °C | -5 °C up to +40 °C | |
- Area of application: Smoke and heat exhaust ventilation systems (RWA)
- Product type: Electrical controller
- Operating voltage: 230V
- Application: Staircase (smoke ventilation acc. to MBO/LBO)
- Feuer-/Rauchschutz: yes
- Anzahl Antriebe pro Zentrale_prodmerk: 1 - 4
Smoke and heat exhaust ventilation systems (RWA)
Do you have any questions? Contact us via email, we are happy to help:
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