ModvFlat
HEAT INTERFACE UNIT (HIU) FOR THE PRODUCTION OF DOMESTIC HOT WATER (DHW) AND THE CONTROL OF A VARIABLE TEMPERATURE HEATING CIRCUIT.
Two models available where the regulation of the circuit can take place at a fixed point with thermostatic mixing valve or at variable temperature, according to the external temperature, by means of a modern climatic control unit.
The module, pre-wired at the factory, requires a central-heating-pump suitably sized to supply the HIUs of all housing units.
The modular construction provides for the possibility of installing a water meter and a heat energy meter to precisely divide the costs to the individual housing units. A shunt with an isolation valve is also already provided for cold water line.
All components of the HIU are appropriately sized to ensure the following performances even with heat energy produced by heat pumps.
FIELD OF USE
DHW flow rate up to 30 L/min (*)
Variable temperature circuit up to 30 kW and 1,300 L/h
(*) DHW production at 45°C with cold water at 10°C.
With heat pump at 55°C: 18 L/min
With boiler at 68°C: 30 L/min
Features
• 3/4” Female threaded isolation valve present in each circuit.
• Provision for 3/4”x 110 mm water meter (Qn 1.5).
• Differential pressure by-pass valve with setting range 0.1–0.5 bar for flow rate up to 2 m3/h.
• Provision for 1”x130 mm heat energy meter.
• Adjustable DHW temperature from 35 to 60°C.
• Brazed plate heat exchanger in AISI 316 steel that can be easily removed for any maintenance and/or cleaning.
• High efficiency circulating pump.
• Casing in RAL 9010 painted sheet (optional)
• Dimensions in mm: 726x520x155
Fixed point model
• Temperature of the mixed circuit adjustable from 20 to 45°C by means of a thermostatic mixing valve.
Variable temperature model
• Temperature of the mixed circuit managed by a modern climatic control unit that controls the mixing valve actuated with a 230V 3-point motor.
Bus connection for remote room control (optional).
