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Polski Producent Kotłów Polski producent
D E F R O *
360 Defro

DRX V

Recuperator connections: located in a vertical position
Efficiency: DRX 300 V - up to 350 m³/h DRX 400 V - up to 450 m³/h DRX 500 V - 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.
Polski Producent Kotłów Produkt polski, wyprodukowany na terenie Unii Europejskiej.

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 V 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 V DRX 400 V DRX 500 V
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*
 % 83,1 87 85,3 
Energy consumption
 W 16-166 18-338 18-338 
Heater power
 W 1500 1500 1500
Fan power consumption W 166 338 338 
Sound power level
 dB(A) 41 45 47 
Connection diameter
 mm 200 200 200 
Connection system
 
vertical
 
vertical
 
vertical
 
Libra
 kg 69 69 69

 

Fuse type
 WTA 5X20 250V F-10A WTA 5X20 250V F-10A WTA 5X20 250V F-10A
Rated supply voltage and frequency V/Hz 230/50 230/50 230/50
Type of exchanger

countercurrent – ​​DRX version, enthalpic – DRX E variant

countercurrent – ​​DRX version, enthalpic – DRX E variant

countercurrent – ​​DRX version, enthalpic – DRX E variant

 
Filter class
 M-5/ePM10 M-5/ePM10 M-5/ePM10 
Declared type
 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 2.63 external 1.56

 

 internal 0.7 external 1.18

 

 internal 0.56 external 0.94 
JZE class**
 – A A A 
* Test conditions according to PN-EN 13141-7
 – 
** according to Regulation (EU) No. 1254/2014
 –

eModul application

The eModul application is an ideal solution for people who live busy lives, often work different hours and lack time for household chores. It has long been known that editing the operating parameters of a heating device depending on your own activities significantly reduces heating bills. Thanks to the application, you can perform the same activities both at home and in the office, all to achieve maximum comfort and efficiency with the lowest possible energy consumption. Using device operating schedules, you can vary the temperature during the day in different time intervals using a laptop, tablet or smartphone, from anywhere on Earth. Using the eModul application, you can lower the temperature at any time if you forgot to do it before going to work or on your way on vacation.

Boiler controller

Functions:

  • central heating mode
  • hot water/summer heating mode
  • hot water priority
  • DHW pre-heating function for a dual-function boiler
  • weather controls
  • room control rooms
  • OpenTherm communication
  • Possibility of control via the Internet
  • clear display
  • intuitive operation

Drivers for installation

i-2 Plus

Functions:

  • control of 2 mixing valves,
  • DHW pump control,
  • ability to control the parameters of the heating device thanks to OpenTherm + communication version 4.0,
  • weather and weekly control,
  • two voltage-free, configurable outputs,
  • two configurable voltage outputs,
  • cooperation with two two-state room regulators,
  • cooperation of the boiler with a room regulator with RS communication,
  • possibility of connecting the ST-505 or WIFI module
  • software update possible via USB port.

i-3 Plus

Functions:

  • control of 3 mixing valves,
  • DHW pump control,
  • two configurable 0-10V outputs,
  • ability to control the parameters of the heating device thanks to OpenTherm + communication version 4.0,
  • weather and weekly control,
  • two voltage-free, configurable outputs,
  • two configurable voltage outputs,
  • cooperation with three two-state room regulators,
  • cooperation of the boiler with a room regulator with RS communication,
  • possibility of connecting the ST-505 or WIFI module
  • software update possible via USB port.

Wifi-OT

Functions:

  • intelligently maintaining room temperature
  • control of the set temperature of the central heating boiler
  • DHW temperature control
  • changing the set boiler temperature based on the outside temperature
  • weather control
  • planik power modulation
  • outdoor temperature preview
  • weekly program for room heating and boiler
  • possibility of two-state control
  • built-in WIFI module – possibility of remote operation via the eModul application
  • the controller operates in the OpenTherm + standard, version 4.0

ST-292 v3

Functions:

  • two-state controller,
  • room temperature control,
  • weekly heating program,
  • day/night program,
  • manual program,
  • OptimumStart function – selection of the optimal boiler activation time in order to achieve thermal comfort, so that the room is heated to the set temperature for a previously set time,
  • heating/cooling function,
  • temporary display backlight,
  • built-in room sensor.

ST-292 v2

Functions:

  • two-state controller;
  • wireless communication;
  • room temperature control;
  • weekly heating program;
  • day/night program;
  • manual program;
  • OptimumStart function – selection of the optimal boiler activation time in order to achieve thermal comfort, so that the room is heated to the set temperature for a previously set time;
  • heating/cooling function.
  • temporary display backlight;
  • built-in room sensor;
  • wireless external sensor (additional option);
  • floor temperature sensor (additional option);
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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
The best components
Guarantee
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