reQnet iZZi 302 ERV R Assembly And User's Manual

Air handling unit with heat recovery
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Air handling unit with heat recovery
iZZi 302 ERV R (L)
EN
Assembly and user' s manual

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Summary of Contents for reQnet iZZi 302 ERV R

  • Page 1 Air handling unit with heat recovery iZZi 302 ERV R (L) Assembly and user’ s manual...
  • Page 2: Table Of Contents

    Fireplace mode bell button ........18 Product Description ..........3 07.16 External signal control 0-10V ........18 02.01 Design of the iZZi 302 ERV R air handling unit (ver- Driver manual with touch pad ......... 19 sion right)................4 08.01 Basic features of the controller .......19 02.01.1...
  • Page 3: General Information

    General information Product Description Congratulations on purchasing the iZZi 302 ERV compact re- iZZi 302 ERV is an air handling unit with heat recovery intended cuperator. Please read the manual before the installation of the to ensure safe, balanced, energy-efficient and comfort ventila- equipment.
  • Page 4: Design Of The Izzi 302 Erv R Air Handling Unit (Version Right)

    02.01 Design of the iZZi 302 ERV R air handling unit (version right). Note! Majority of drawings, descriptions and assembly of the recuperator are given for right (R) version. For the left (L) version you should proceed in the same way - unless otherwise stated.
  • Page 5: Recuperator Operation Method

    300 m3 of the air per hour. The recuperator should be selected not only for the area of the given room, but also considering air exchange demands. EXHAUST AIR SUPPLY AIR AIR SUPPLY EXHAUST VENT iZZi 302 ERV R Right version INTAKE VENT EXTRACT AIR EXHAUST OUTDOOR AIR...
  • Page 6: Freeze Protection System

    1 meter Fans Radial Redical with DC EC motors (ebm-papst) Energy efficiency class Bypass automatic, insulated, 100% bypass of supplied air reQnet iZZi 302 Freeze protection system operating only below -7°C Driver 3.2" LCD with colour touch panel Connect the controller to the device Shielded cable 4x0.5*** (3 meters included in the set)
  • Page 7: Flow Characteristics

    03.01 Flow characteristics Air stream [m³/h] 03.02 Technical drawing of the recuperator...
  • Page 8: Scope Of Delivery

    Scope of delivery 04.01 Equipment Description Support frame Recuperator Nipple fi200 (x4) Screw M6 (x6) Allen key bolt3mm Allen key bolt 4mm Allen key bolt 5mm Gloves (x2) Control panel (a) with mounting box (b) and signal cable (3 m) 04.02 Optional equipment IZZi SF200 anti-smog filter...
  • Page 9: Planning

    05.02 Requirements for the assembly location Planning The iZZi 302 ERV recuperator is intended for assembly in the rooms where the temperature does not fall below 5°C, and rela- 05.01 Methods of assembly tive humidity does not exceed 70% during winter. Use of enthalpy heat exchanger, which does not the require di- The prepared substrate should ensure even and stable adhe- scharge of condensate, allows distinguishing four methods of...
  • Page 10: Area Safe

    05.05 Area Safe When planning the space for the installation of the recuperator, please consider the appropriate free and easily accessible space in front of and above the recuperator for service and operation purposes. min. 300 Warning! All recuperator ducts should be properly insulated.
  • Page 11: Assembly

    Assembly 06.01 Frame assembly 06.02 Assembly of recuperator on frame...
  • Page 12: Automation

    Automation 07.01 iZZi (model KR-04) control engineering diagrams GND B A B A VCC I2 G I3 I4 G I5 G N0 COM N0 COM 1. Bypass actuator 15. Duct sensor downstream of the heater/cooler 2. Damper GWC iZZi 16. Temperature sensors: T1 - on the air intake 3.
  • Page 13: Control Engineering Revision

    07.03 Touch panel RECUPERATOR Garden iZZi 302 ERV R The iZZi 302 recuperator is equipped with a dedicated touch intake vent INTAKE VENT DUCT panel. A shielded 4-wire cable (3 meters included) is used to connect the panel to the automation of the device. If the panel...
  • Page 14: Duct Reheater

    Sensor downstream of the heater Duct 800mm-1500mm temperature sensor OMY current cable 3x0.5mm Specification of damper actuator: AC 230V SECONDARY SUPPLY HEATER DUCT close/open Rys. Connection diagram for 230V actuator of control damper of the ground-air heat exchanger air supply to rooms N0 COM Fig.
  • Page 15: Water Reheater

    07.05.2 Water reheater Power supply unit The iZZi controller supports control of the water reheater used 24V AC/DC to heat up the air supplied to the building. Automation allows controlling a 0-10V two-way valve or electrothermal linear valve. It is required to connect additional duct sensor, installed down- 0-10V stream of the heater (see drawing) to ensure correct operation.
  • Page 16: Simultaneous Connection Of Cooler And Reheater

    07.08 Preheater Power supply unit The iZZi controller supports the operation of a duct electric 24V AC/DC preheater intended for defrosting of the heat exchanger during the winter when the outdoor temperatures are low. The heater switches on automatically when the freeze protection system is in operation.
  • Page 17: Izzi Constant Flow Module (Recommended)

    07.09 IZZi constant flow module (recommended) 07.11 Ventilation bell button (turbo) The iZZi recuperator may have connected an optional constant The iZZi controller has an option of connecting an external flow module, which is responsible for the automatic balancing ventilation bell button to the mirrored digital input in the of the ventilation system during recuperator operation, ada- recuperator automation.
  • Page 18: Switch At The Hood

    07.13 Switch at the hood 07.15 Fireplace mode bell button The iZZi controller supports cooperation with the kitchen hood The iZZi controller has an option of connecting an external bell by connecting the switch to the digital input in the recupera- button of the fireplace function to the mirrored digital input in tor automation.
  • Page 19: Driver Manual With Touch Pad

    Driver manual with touch pad 1. Go to the OPTIONS screen 2. Displays the exhaust air temperature and the transition button to the VENTILATION SYSTEM TEMPERATURE CONTROL screen 3. Message or alert field 4. Displays the current date and time 5.
  • Page 20 Structure of the touch panel functions...
  • Page 21: Options Screen

    Navigation WORKING MODES Select the appropriate programme icon or one of the following software icons to navigate: return to home screen return to previous screen TURBO MODE AWAY FIREPLACE arrows are used to change the value or move the active cursor/beam. SETTINGS OF SCHEDULE AUTO MODE...
  • Page 22: Schedule Mode

    08.04.5 SCHEDULE mode 08.04.6.2 Manual mode speeds When operating in Schedule mode, the Manual mode means working controller uses the weekly program settings, with constant performance and the performance of the air handling unit on the device's chosen gear. SCHEDULE changes according to the user's time schedule.
  • Page 23: Software-Based Performance Correction

    08.04.6.4 Software-based performance correction 08.05 SETTINGS screen Depending on the current needs and resistances of the ventila- Selecting the button causes that the tion system the user can make independent correction of flow controller switches to the SETTINGS rate for the air supply and exhaust fan. screen.
  • Page 24: Sound Level And Brightness Settings

    08.05.2 Sound level and brightness settings 08.05.4 Inspection of filters condition The next screen allows setting the sound level The controller is equipped with a timer, of the function keys and the LCD backlight counting down the run time, to ensure timely level.
  • Page 25: Icon Descriptions

    08.05.6 Icon descriptions 08.06.2 HYGRO / CO2 module support The descriptions under the icons make it easier After the module has been properly installed to navigate for the less advanced users. The (see the installation instructions included with controller allows the user to change a display the module), activate it with the green button HYGRO / CO2 ICONS...
  • Page 26: Controlling The Operation Of The Ground Heat Exchanger (Gwc)

    08.06.4 Controlling the operation of the ground heat Bypass has 3 modes of operation: exchanger (GWC) ALWAYS OPEN The iZZi controller has the option of controlling (activation with green button) a ground heat exchanger (air or glycol). - the unit works continuously without heat recovery. Connection diagrams are described in point GROUND AUTOMATIC...
  • Page 27: Unit Status

    They are loaded when the device resumes operation. UNIT STATUS TEMPERATURE CONTROL STANDBY www.reqnet.pl serwis@reqnet.pl 08.07.1 Ventilation system temperature control screen The following screen allows reading (in realtime) values of the temperatures me- asured by the temperature sensors...
  • Page 28: Alerts And Messages

    08.08 Alerts and messages Service and maintenance If the recuperator operates incorrectly or when the frost protection system is activated the main screen will display the 09.01 Filter replacement message 3 : The manufacturer recommends replacing the filters once eve- ry 90 days.
  • Page 29: Removing The Recuperator Cover

    For service or maintenance/cleaning purposes, it is possible to remove the recuperator cover as shown in the figure below: 09.03 If you have not found a solution to your problems in the manual above, please visit the website: reQnet.pl and the FAQ section.
  • Page 30: Warranty Conditions

    11. Reporting of irregularities or defects of the Device provided with the Device. shall be made by the Customer in writing to the reQnet's registered office address or by e-mail to adres e-mail: 4. reQnet will provide benefits under the Document provided biuro@reQnet.pl (hereinafter referred to as "Notification").
  • Page 31 Warranty card: Name User Data Phone No. Email address Installation address: Label: Label space Date of purchase: Installer name and address: (in case of self-assembly of the device leave a blank field) Date and signature Measurement results of the performance in III gear: Supply [m3/h] Exhaust [m3/h] User statement of having read...
  • Page 32 The manufacturer reserves the right to make technical and color changes to the described products.

This manual is also suitable for:

Izzi 302 erv l

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