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Direct SmartHexa

Direct SmartHexa - UFH

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Overview

SmartHexa UFH is equipped with an advanced electronic control system that ensures maximum efficiency and prioritizes domestic hot water (DHW) production. The unit continuously monitors temperature, pressure, and flow at multiple points to maintain optimal operating conditions. With a stainless steel heat exchanger and piping, the system delivers high durability and provides the low, stable temperatures required for underfloor heating. Its integrated mixing configuration ensures stable supply water temperature for maximum comfort. An optional outdoor compensation control allows quick adaptation to changing ambient conditions, improving energy efficiency. Proportional motorized valves and advanced control algorithms provide precise temperature management in the heating circuit. The electronic control system also offers smart features such as easy PC setup and commissioning, district return temperature control, enhanced anti-legionella function, and a “keep warm” mode for low return temperatures. SmartHexa UFH allows remote monitoring and control by transmitting all operational data to the BLES system.

Technical Features

  • Fully electronic control with PC connectivity via GSM or Ethernet for easy setup and commissioning
  • Fast and precise DHW control with calibrated sensors
  • Return temperature control for district heating with a high-efficiency heat exchanger
  • Smart anti-legionella function for safe domestic hot water
  • Pump and valve exercise mode to prevent sticking and ensure reliable operation
  • Optimized for low-temperature underfloor heating, with an integrated mixing circuit for stable, comfortable performance and precise flow temperature control

Technical Data

Product Specifications

SpecificationValue
Suitable for district heatingYES
Suitable for heat pumpNO
Suitable for heatingNO
Suitable for coolingNO
Suitable for hot tap waterYES
Suitable for working with circulation pumpYES
High efficiency pumpNO
DHW Heat ExchangerYES
Material of heat exchangerStainless steel with copper soldered
Full sealed heat exchangerYES
Suitable for using and fitting with heat meterYES
Suitable for using and fitting with cold water meterYES
Primary supply temperature0 - 110°C
Primary pressure difference20-60 kPa
Continuous hot water capacity15 l/m - 17 l/m at 65°C
DHW capacity37 kW - 46 kW
Max. Heating capacity-
Inlet / Outlet connections for Heating, cold water, hot water and primary supply3/4" Female connections
Hot water priorityYES
Differential Pressure Balancing Valve includedYES
Keep warm functionYES
Strainer for primary lineYES
Zone valve control for heating sideNO
Height530 mm
Width500 mm
Depth170 mm

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