Heat recovery with DX coil - R410A

Motorised heat recovery by-pass device automatically controlled by unit control to use fresh air free-cooling when convenient

Specifications

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Heat recovery with DX coil - R410A SINGLE PHASE
3.0 kW 5.1 kW 5.8 kW
Cooling capacity (Nominal) kW 3,00 5,10 5,80
Cooling capacity (Nominal) kW 3,00 5,10 5,80
Heating capacity (Nominal) kW 2,50 4,40 5,20
Heating capacity (Nominal) kW 2,50 4,40 5,20
Power supply (Voltage) V 230 230 230
Power supply (Phase) Single phase Single phase Single phase
Power supply (Frequency) Hz 50 50 50
Air flow m³/min 8,3 13,3 16,7
External static pressure (1) Pa 90 120 115
Maximum current (total full load) A 0,6 1,4 2,1
Input power W 150 320 390
Sound pressure (2) dB(A) 39 42 43
Heat recovery temperature efficiency cooling (1) % 76 76 76
Heat recovery enthalpy efficiency cooling (1) % 63 63 60
Heat recovery saved power summer mode or winter mode (cooling)* kW 1,70 2,50 3,20
Heat recovery temperature efficiency heating (1) % 76 76 76
Heat recovery enthalpy efficiency heating (1) % 67 65 62
Heat recovery saved power summer mode or winter mode (heating)* kW 4,30 (4,80) 6,50 (7,30) 8,20 (9,00)
DX coil total cooling capacity kW 3,00 5,10 5,80
DX coil sensible cooling capacity kW 2,10 3,50 4,10
DX coil OFF temperature cooling °C 15,9 15,5 16,2
DX coil OFF relative humidity cooling % 90 90 89
DX coil total heating capacity kW 2,50 4,40 5,20
DX coil sensible heating capacity kW 2,70 4,80 6,70
DX coil OFF temperature heating °C 28,0 (27,3) 29,6 (29,0) 28,5 (27,8)
DX coil OFF relative humidity heating % 16 (15) 14 (13) 15 (14)

Nominal summer conditions: Outside air: 32°C DB, RH 50%. Ambient air: 26°C DB, RH 50%. Nominal winter conditions: Outside air: -5°C DB, RH 80%. Ambient air: 20°C DB, RH 50%. Cooling mode air inlet condition: 28,5°C DB, RH 50%; evaporating temperature 7°C. Heating mode air inlet condition: 13°C DB, RH 40% (11°C DB, RH 45%); condensating temperature 40°C. DB: Dry Bulb; RH: Relative Humidity.
1) Referred to the nominal air flow after filter and plate heat exchanger.
2) Sound pressure level calculated at 1m far from: ducted supply exhaust air ducted return - first air intake / service side, at normal condition. * Tentative data.

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