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D E F R O *
360 Defro

DRX H

Recuperator connections: located in a horizontal position
Efficiency: DRX 300 H - up to 350 m³/h DRX 400 H - up to 450 m³/h DRX 500 H - up to 550 m³/h
Energy efficiency class: A
Controller: Defro Air
Efficiency: to 95%
Standard equipment: The air handling unit is equipped with a unit operation controller with a 4.3" color display, a set of wall brackets.
Optional equipment - for an additional fee: ST-505 internet communication module (LAN) or WiFi RS internet communication module. Additionally, it can be equipped with a CO₂ sensor and an HR humidity sensor. Possibility of using elements for ceiling mounting: mounting console suspended from the heat recovery unit or on a base for the heat recovery unit.

Flow balancing

From the wide range of recuperators on the market, DEFRO AIR units stand out, among others, with the FLOW BALANCING System. The system is crucial for reducing heating costs and, above all, maintaining constant and even air consumption. The airflow process is automatically balanced. It is worth noting that the FLOW BALANCING system is built-in without any additional charges.

Modulating pre-heater

Pre-heater for even greater control of the exchanger against freezing. AFC system – ANTI FREEZE CONTROL – working with a modulated heater.

100% Bypass

Only 100% bypass guarantees fresh and cool air in the summer.

Quiet operation

Our recuperators are among the quietest ventilation units available on the market. This is due, among other things, to the use of special EC radial fans dedicated to heat recovery.

50 mm insulation

Thanks to the use of a thick layer of insulation, the air handling unit is protected against condensation of water vapor in the recuperator, and heat losses are virtually eliminated.

Enthalpy exchanger ERV*

The exchanger membrane is made of polymer, whose wall structure guarantees the recovery of thermal energy and moisture. *option additionally paid

Opening from two sides

Our ventilation units have inspection flaps on both sides of the recuperator. This gives us easier access to inspection activities. Possibility of rotating the control unit and universal installation.

Wall mounting console

Set includes - 2 pcs.

DRX H air handling unit with capacities of 350 m3/h, 450 m3/h, 550 m3/h

  • Core counter-flow exchanger with high heat recovery efficiency
  • low-energy EC fans – ensuring low-cost, quiet and reliable operation for many years of operation
  • touch panel included in the price of the heat recovery unit
  • quiet operation thanks to optimally selected components and insulation
  • modern design
  • reversible unit
  • various mounting methods (standing, wall, suspended)
  • wall mounting bracket included
  • Anti-freeze system – modulated pre-heater
  • Defro recuperators have the AFC – ANTI FREEZE CONTROL system working with a modulated heater
  • 100% summer circulation bypass

MODEL DRX 300 H DRX 400 H DRX 500 H
Air flow (100 Pa) [m3/h] 350 450 550
Performance range [m3/h]
Compress [Pa] 200 200 200
Type of heat recovery system – 
diaphragmatic
 
diaphragmatic
 
diaphragmatic
Heat recovery efficiency* [%] 82,9 85,3 84,6 
Energy consumption
 [W] 16-166 18-338 18-338
Power of the pre-heater [W] 1500 1500 1500
Power supply [V] 230 230 230
Fan power consumption [W] 166 338 338
Sound power level [dB(A)] 41 45 47
Connection diameter mm 200 200 200

Connection system

 – 
horizontal
 
horizontal
 
horizontal
Mass kg 65 65 65 
Fuse type
 
Rated supply voltage and frequency
 V/Hz 
Type of exchanger
Filter class – M-5 e PM 10 M-5 e PM 10 M-5 e PM 10

 

Type of exchanger
 – bi-directional bi-directional bi-directional
Type of drive installed – Stepless regulation of fan speed Stepless regulation of fan speed Stepless regulation of fan speed
Declared maximum internal coefficients. and external air leaks [%] 
internal 2,52
external 1,43
 
internal 2,93
external 2,40
 
internal 1,06
external 1,60
 
JZE class**
 – A A A
* Test conditions according to PN-EN 13141-7 –
** according to Regulation (EU) No. 1254/2014 –

Controller:

  • colorful intuitive 4.3” display
  • Flow Balancing function – ensuring balanced supply and exhaust ventilation.
  • matching the optimal expenditure for the building
  • protection of the exchanger against freezing.
  • AFC – ANTI FREEZE CONTROL system working with a modulated pre-heater
  • weekly program
  • function – fireplace, holiday, party, hood
  • peripheral device control
  • manual and automatic control 100% – by-pass
  • possibility of expanding wireless control with the ST-505 internet communication module (LAN) or the WiFi RS internet communication module for mobile communication e-Modul
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Michał Stachera
Export Manager Phone: +48 512 013 834
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Export Manager Phone: +48 512 013 834
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Export Manager Phone: +48 512 013 834
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Michał Stachera
Export Manager Phone: +48 512 013 834
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Export Manager Phone: +48 783 783 218
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Export Manager Phone: +48 512 013 834
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Michał Stachera
Export Manager Phone: +48 512 013 834
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Joanna Majder
Export Manager Phone: +48 669 668 599
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Monika Zych
Export Manager Phone: +48 783 783 218
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Michał Stachera
Export Manager Phone: +48 512 013 834
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Export Manager Phone: +48 669 668 599
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Export Manager Phone: +48 783 783 218
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Export Manager Phone: +48 783 783 218
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Export Manager Phone: +48 669 668 599
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Export Manager Phone: +48 783 783 218
Canada
Monika Zych
Export Manager Phone: +48 783 783 218
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Monika Zych
Export Manager Phone: +48 783 783 218
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Michał Stachera
Export Manager Phone: +48 512 013 834