Flamco Flexfiller Direct G4

Flamco Flexfiller Direct G4 - Compact, Pumpless Top-Up Pressurisation Unit 

The Flexfiller Direct G4 represents the latest advancement in pumpless digital pressurisation technology for light commercial and residential buildings. It's a slim, wall-mounted pumpless top-up pressurisation unit with a top-up flow rate of up to 14 l/min depending on the water pressure on the mains or boosted mains.

The included flexible hose is designed to be connected directly to a building's incoming water supply. Its purpose is to fill and maintain the pressure of a heating or chilled water system in the absence of a pump. The unit includes a user-friendly controller that clearly and conveniently displays all operating and error conditions. It has a graphical display and extensive data storage for online and offline analysis. It also has microprocessor control and self-learning algorithms. It includes the MODBUS RTU and BACnet communication protocols as standard, as well as password-protected key operating parameters.

Product features

• Silent, pumpless pressurisation unit.
• Fills system from empty.
• For system volumes up to 50,000 litres.
• Fluid Protection Category 4 backflow prevention.
• Onscreen service reminder (12 months).
• Colours: Grey (RAL7016) and Red (RAL3002).
• Password protected.
• Pressure setting in 0.1 bar increments.
• Flood protection (Runtime limiter and excessive activation logging).
• Volt free contact: Common alarm (N/C or N/O), fully programmable for specific alarms customisable via control unit).
• Extensive data storage for online or offline analysis.
• Advanced technology ensures the lowest power consumption, long service life and easy maintenance.
• Microprocessor control, self-learning with graphical display.
• Max. flow rate of 14 l/min.
• Connects directly to the mains (boosted) water mains, via included flexible hose (L = 400 mm).
• Universal connection to drain fits 22 mm copper compression, 32 mm PP push fit and 32 mm PP solvent weld discharge pipe to BS 5254 or BS EN1451.
• The user-friendly control unit displays all operating and error conditions in an logical and convenient way.
• Four status LED indicators.System safety valve monitoring.
• Expansion vessel health monitoring.Leak detection.
• Usage monitor, logs and counters.
• MODBUS RTU and BACnet Communication Protocol via RS485.
• Can be combined with Flamconnect Remote (Please check availability).
• Two 40 cm flexible hoses (for mains and sealed system connection) included for easy installation.