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General
The new family EWmAIB R410A single or three phase, covers a capacity range from 7 to 16 kW, developed in 4 different sizes. This new heat pump has been optimized in heating mode in order to reach high level of COP in both fan coil and floor heating application. Inverter technology DC sinewave can provide a continuous variable capacity depending on building load. This can be easily translated in higher seasonal efficiency, reduced CO2 emission and lower yearly operating cost. Compact design and all in one concept keep installation easy and quick. In fact all hydraulic main components are fitted inside the unit : pump, manometer, expansion vessel, filter (not mounted but standard with the unit), drain valve.
Also an easy maintenance and serviceability are guaranteed thanks to easy accessibility of all components, just removing main sheet metal panel.

Applications
The following applications have been taken into consideration during unit development, for both heating and cooling operating modes :
-Fan coil application,
- Floor application,
- Domestic hot water application.

Brazed plate heat exchanger
Brazed plated heat exchanger, thermally insulated with flexible closed cell material. Electric heater to prevent freezing fixed on the plates. Heat exchanger inlet and outlet water connections are threaded type. Inlet and outlet water pipes include two water temperature sensors.

Finned coil
The finned coil is seamless copper tube, arranged in staggered rows, mechanically expanded into a corrugated aluminium fins. Blue fin treatment as standard to improve water drainage and defrost cycle.

Fan motor
Fan motor is DC brushless type.

Compressor
The hermetic compressors are twin rotary and scroll types depending on sizes. The compressor is equipped with motor thermal protection overload. The compressor is mounted on rubber anti vibration pads.

Control features
This system control can manage following feature :
- Day & night mode.
- Auto-test function.
- Remote ON/OFF switch.
- Remote alarm output, dry contact.
- Remote heating / cooling selection mode.
- Fan motor variable speed control.
- Compressor motor variable speed control (DC inverter technology based).
- Electronic expansion valve control.
- Water pump motor on/off control.
- Brazed heat exchanger antifreeze protection.
- Floor system mode.
- Modbus protocol RS 485.
- Room thermostat control.
- Domestic hot water management.
- 0-10Vdc remote signal for cool or heat setpoint, or for compressor speed signal.
- Minimum HMI (Human Interface) with 7-segments and 4 key switches. To show main status and sensor value.
- Auxiliary electrical heater management.


Standard equipment
- Water pressure differential switch.
- Water pressure safety valve.
- Blue fin treatment.
- Coil guards.
- AVM rubber pad (supplied loose).
- Water filter (supplied loose).
- Main switch (10 kW and above).
- ModBus protocol RS485.
- Fan speed control.
- Antifreeze electric heater kit.

Accessories
- Room thermostat.
- Electric heater kit 2-4-6 kW.

Filtros

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