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Polski Producent KotłówPolish manufacturer
D E F R O *
360 Defro

DRX OPTI C

Recuperator connections: located in position 45"
Efficiency: DRX OPTI 350 C -350 m³/h DRX OPTI 450 C -450 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: Can be equipped with a CO₂ sensor and an HR humidity sensor.
Polish product, manufactured within the European Union. Polish product, manufactured within the European Union.

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.

Thermal and acoustic 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.

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 OPTI C air handling unit with a capacity of 350 m3/h, 450 m3/h

Product characteristics:

  • performance up to 350, 450 (100 Pa),
  • counter flow exchanger
  • pre-heater,
  • automatic bypass,
  • filter standard M-5 e PM 10 ⩾ 50%.

The unit is made of high-quality steel with 160 mm diameter connections in an inclined variant (C).
The control panel is standardly equipped with a monochrome graphic display with the possibility of expansion with a WiFi module.
The unit can be mounted on the wall or placed on a base.

MODEL DRX OPTI 350 C DRX OPTI 450 C 
Air flow (100 Pa)
 m3/h 350 450
Performance range m3/h 
Compress
 Pa 0-100 0-100
Type of heat recovery system 
diaphragmatic
 
diaphragmatic
Heat recovery efficiency* % 84 81,6 
Energy consumption
 W 18-254 18-338
Power of the pre-heater W 500 500 
Power supply
 V 230 230
Fan power consumption W 254 338 
Sound power level
 dB(A) 41 43
Connection diameter
 mm 160 160
Connection system located in position 45″ located in position 45″
Mass kg 59 59 
Fuse type
 WTA 5X20 250V F-6,3A WTA 5X20 250V F-6,3A
Rated supply voltage and frequency V/Hz 230/50 230/50
Type of exchanger 
countercurrent – ​​DRX OPTI C version
enthalpic – DRX OPTI C E variant
 
countercurrent – ​​DRX OPTI C version
enthalpic – DRX OPTI C E variant
Filter class M5/ePM10 M5/ePM10
Declared type bi-directional bi-directional 
Type of drive installed
 
Stepless regulation of fan speed
 
Stepless regulation of fan speed
Declared maximum internal coefficients. and external air leaks % 
internal 0,89,
external 1,63
 
internal 0,70,
external 1,33
JZE class**
 A A

Controller:

  • monochrome graphic display
  • matching the optimal expenditure for the building
  • protection of the exchanger against freezing.
  • weekly program
  • function – fireplace, hood, open windows, party
  • peripheral device control
  • manual and automatic control 100% – by-pass
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Export Manager Phone: 0048 783 783 218
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 783 783 218
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Export Manager Phone: 0048 669 668 599
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Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 669 668 599
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Monika Zych
Export Manager Phone: 0048 783 783 218
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 783 783 218
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Patrycja Serafin
Export Manager Phone: 0048 669 668 599
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Export Manager Phone: 0048 532 177 339
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 886 720 591
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Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 669 668 599
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Monika Smolarczyk
Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 602 443 779
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Export Manager Phone: 0048 669 668 599
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USA
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Export Manager Phone: 0048 783 783 218

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Recuperation + free device selection

The DEFRO air handling unit is perfect for maintaining high air quality in your home. With advanced technology and energy efficiency, DRX not only provides comfort, but also savings in the long run, creating a friendly environment for your family.

High quality
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Guarantee
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