Products

The D+H PS-VFM1 is a compact natural ventilation controller for one group of compatible 24 V DC window drives.

It accepts an open and close wall switch and can support an optional rain sensor or wind and rain sensor. The PS-VFM1 replaces the previous D+H VCM 05U controller.

Battery-backed 24 V DC smoke and natural ventilation control panel for systems requiring two ventilation groups, one monitored fire line and up to 8 A total drive current.

• Ventilation type: Smoke and natural ventilation
• Total output: 24 V DC / 8 A
• Ventilation groups: 2
• Fire zones / lines: 1 monitored fire line
• Control inputs: Wall switches, weather sensors, fire-alarm signals and compatible external controls
• Standby operation: Monitored battery-backed operation
• Housing: Typically installed in a GEH-KST or GEH-S-RWA enclosure, sold separately

Compact smoke and natural ventilation control panel providing 3 A actuator capacity, one monitored fire line, one ventilation group and integrated local controls.

• Primary application: Compact smoke ventilation systems, particularly stairwells
• Total output: 24 V DC / 3 A
• Configuration: 1 monitored fire line / 1 ventilation group
• Local controls: Integrated smoke-vent and ventilation buttons
• Interfaces: Two programmable volt-free signalling contacts
• Weather control: Direct connection for a compatible rain sensor or wind and rain sensor
• Standby operation: Monitored battery-backed operation
• Housing: Compact aluminium enclosure, IP30