Alarm / control unit FloSwitch D4 Alarm and control unit FloSwitch D4 Product features • Automatic switch-over-system for technical and high purity gas storages • Alarm and control unit for max. 4 digital inputs: - right storage empty / pressure switch low gauge - left storage empty / pressure switch low gauge - local emergency-shut-off control - remote shut-off control Technical data PVC-Housing Protection class: Dimensions (WxHxD): Weight: Compatibility inputs IP 55 314 x 263 x 143 mm 3,7 kg mechanical + Reed, inductive NAMUR switches (only with switch amplifier) • The unit manages 1 switch-over-system with 2 electrical signal outputs (230V AC or 24V DC available) for solenoid valves Digital inputs Power supply voltage: 24 V DC Current: 4 mA (per channel) Output 24V DC: 15 W (Type D4 E 24) • 4 x 12 digits LCD-display 230V AC: 200 VA (Type D4 E 230) • Visual and acoustic alarm signals LCD-display 4x12 digits - red flash light for alarm or shut-off status Power supply voltage 230 V / 50-60 Hz - buzzer with stop button Max. power consumption: 15 VA • Manual swich-over by pushbuttons on the front panel Signals - green light Ø 10 mm on • Local (emergency) and remote shut-off function Alarm: - red flash light Ø 45 mm - buzzer max.80dB @1m • System restart pushbutton on the front Reference standard CE • Digital inputs with NC configuration and directive • Plastic housing IP 55 for wall mounting Applications in explosive environment: Article numbers: The unit FloSwitch D4 must be mounted outside of explosive environment. Inductive sensors, which are installed inside hazardous areas, have to be activated by an ATEX-approved switch amplifier. This amplifier also has to be mounted outside of the explosive environment. The output contact of the switch amplifier can easily be connected to the FloSwitch unit. Data sheet DES FloSwitch D4 - Edition 0811 Subject to alteration without prior notice © Spectron Gas Control Systems GmbH • Wall mounting box for switch amplifier:770.51466 Spectron Gas Control Systems GmbH Fritz-Klatte-Str. 8, D-65933 Frankfurt Tel.: +49 (0)69 38016-0, Fax: +49 (0)69 38016-200 info