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DC-Inverter Air-Water split heat pump Mirai Split for Heating andCooling Residential environments

Composition
 
Construction
  • 1 External panels
  • 2 Compressor
  • 3 Electronic expansion valve
  • 4 Air valve
  • 5 Expansion vessels
  • 6 Circulation pump
  • 7 Delivery water
  • 8 Manifold
  • 9 Heat exchangers plates
  • 10 Water pressure gauge
  • 11 Differential pressure switch
  • 12 Refrigerant connections
  • 13 Inlet water
  • 14 Controller

Outdoor unit constructional characteristics
• Compressor: brushless DC rotary hermetic compressor, twin-rotary type, complete with thermal protection and crankcase heating element.
• Electronic expansion valve.
• Air-side heat exchanger with copper pipes and aluminium fins.
• Axial fans with brushless DC motors equipped with electronic proportional device for continuous speed regulation, internal thermic protection and safety grilles.
• Electronic control panel and for management purposes, equipped with electrical connections to the internal unit.
• Structure in painted galvanised steel sheet.

Indoor unit constructional characteristics
• Water-side heat exchanger with stainless steel plates equipped with circulator, water flow switch, thermic insulation in polyurethane foam rubber.
• Electronic control panel and for management purposes, equipped with electrical connections to the external consents.
• Outdoor temperature probe to control and climatic compensation of the set-point (supplied standard).
• DHW probe and control ball-valve three ways
• Water filter (supplied standard).
• Circulation pump.

Working range
Maximum outdoor temperature: 40 °C (Cooling), 40 °C (Heating)
Maximum water temperature: 20 °C (Cooling), 55 °C (Heating)
Minimum outdoor temperature: -15 °C (Cooling), -20 °C (Heating)
Minimum water temperature: 5 °C (Cooling), 5 °C (Heating)

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Notes
 
PARAMETERS DECLARED FOR MEDIUM AND LOW TEMPERATURE APPLICATION (²)

Seasonal space heating energy efficiency class: A++

Sound power level, indoors/outdoors (³):
dB(A) 40/58 (EH0815-SM), 41/60 (EH1215-SM), 41/61 (EH1515-SM/ST), 42/63 (EH1815-ST), 42/58 (EH2518-ST)

Sound pressure level, outdoor unit (⁴):
dB(A) 36 (EH0815-SM), 38 (EH1215-SM), 39 (EH1515-SM/ST), 41 (EH1815-ST), 36 (EH2518-ST)

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Refrigerant R410A (GWP=2088).
Power supply (V-ph-Hz): 230~ -1 -50 (EH 0815 - 1515 SM), 400 ~ -3+N -50 (EH 1515 - 2518 ST).

Data referred to the application with radiant panels (¹) and to the following conditions:
(*) Air: 7(6) °C - Water: 30/35 °C (Ref. A7 W35)
(**) Air: 35 °C - Water: 18/23 °C (Ref. A35 W18)

(¹) Data referred to the standard EN 14511:2013
(²) Data referred to the Regulation EU N. 811-813/2013 and standards EN 14825:2016, EN 14511:2013
(³) Data referred to the Regulation EU N. 811-813/2013 and standard EN 12102-1:2017
(⁴) Sound pressure level referred to a distance of 5 m from the unit with a directional factor equal to 2

(IU) = indoor unit - (OU) = outdoor unit
 

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