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
- Galvanized steel self-supporting panels, internally and externally insulated
- High efficiency enthalpic heat recover, static cross flow type, made by membrane with high moisture permeability, good air tightness, excellent tear resistance, and aging resistance, it is structures with flat plates and corrugated plates. Total heat exchange with temperature efficiency up to 76% and enthalpy efficiency up to 67%, also at high level during summer season
- ISO16890 ePm2,5 95% (F9 EN 779) efficiency class filter with synthetic cleanable media and COARSE 50% (G3 EN 779) pre-filter ON fresh air, COARSE 50% filter on return air intake
- Removable side panel to access filters and heat recovery in the event of scheduled maintenance
- Low consumption, high efficiency & low noise direct driven fans
- Supply section complete with DX coil (R410A) fitted with solenoid control valve, freon filter, contact temperature sensors on liquid and gas line, NTC sensors upstream and downstream air flow
- Built-in electric box equipped with PCB to control internal fan speed and to interconnect outdoor/indoor units
- Duct connection by circular plastic collars
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Specifications
| Heat recovery with DX coil - R410A | |||
|---|---|---|---|
| 3.0 kW | |||
| Cooling capacity (Nominal) | kW | 3,00 | |
| Cooling capacity (Nominal) | kW | 3,00 | |
| Heating capacity (Nominal) | kW | 2,50 | |
| Heating capacity (Nominal) | kW | 2,50 | |
| Power supply (Voltage) | V | 230 | |
| Power supply (Phase) | Single phase | ||
| Power supply (Frequency) | Hz | 50 | |
| Air flow | m³/min | 8,3 | |
| External static pressure (1) | Pa | 90 | |
| Maximum current (total full load) | A | 0,6 | |
| Input power | W | 150 | |
| Sound pressure (2) | dB(A) | 39 | |
| Heat recovery temperature efficiency cooling (1) | % | 76 | |
| Heat recovery enthalpy efficiency cooling (1) | % | 63 | |
| Heat recovery saved power summer mode or winter mode (cooling)* | kW | 1,70 | |
| Heat recovery temperature efficiency heating (1) | % | 76 | |
| Heat recovery enthalpy efficiency heating (1) | % | 67 | |
| Heat recovery saved power summer mode or winter mode (heating)* | kW | 4,30 (4,80) | |
| DX coil total cooling capacity | kW | 3,00 | |
| DX coil sensible cooling capacity | kW | 2,10 | |
| DX coil OFF temperature cooling | °C | 15,9 | |
| DX coil OFF relative humidity cooling | % | 90 | |
| DX coil total heating capacity | kW | 2,50 | |
| DX coil sensible heating capacity | kW | 2,70 | |
| DX coil OFF temperature heating | °C | 28,0 (27,3) | |
| DX coil OFF relative humidity heating | % | 16 (15) | |
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.