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Air Control URA R DOMO Installation, Use & Maintenance Manual

High efficiency heat recovery with air treatment integrated
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INSTALLATION, USE AND MAINTENANCE MANUAL
HIGH EFFICIENCY HEAT RECOVERY WITH AIR TREATMENT
INTEGRATED
Page 1

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  • Page 1 INSTALLATION, USE AND MAINTENANCE MANUAL HIGH EFFICIENCY HEAT RECOVERY WITH AIR TREATMENT INTEGRATED Page 1...

  • Page 2: Table Of Contents

    INDEX GENERAL INFORMATION ....................................4 1.1.1 INTRODUCTION ..................................4 1.1.2 FUNDAMENTAL SAFETY RULES........................4 1.1.3 SYMBOLS ..........
  • Page 3 7.1.1 CLEANING OR REPLACING FILTERS ............................... 37 7.1.2 CLEANING THE HEAT EXCHANGER ..............................37 7.1.3 GENERAL CLEANING OF THE UNIT ................................ 38 ALARMS ......................................39 8.1.1 GENERAL INFORMATION ..................................39 8.1.2 PROBLEMS WITHOUT ERROR INDICATION ON THE DISPLAY ............

  • Page 4: General Information

    GENERAL INFORMATION INTRODUCTION 1.1.1 This manual was conceived with the aim of making the installation and management of your system as simple as possible. By reading and applying the suggestions in this manual, you will be able to obtain the best performance from the product purchased. We would like to thank you for the choice you made with the purchase of our product.

  • Page 5: Symbols

    SYMBOLS 1.1.3 The symbols shown in the following booklet allow you to quickly provide information necessary for the correct use of the unit. Safety related symbols ATTENTION Warns that the operations indicated are important for the safe operation of the machines Only authorized personnel DANGER Warns that failure to comply with the instructions poses a risk of electric shock.

  • Page 6: Compliance

    2012/19/EC 1.1.6 RANGE - 1- - 2- - 3- - 4- URA R DOMO 30/15 1) Defines the total flow rate and the fresh air flow rate 2) Type of installation H: Horizontal Models from 300/150 m3/h to 500/250 m3/h...
  • Page 7 The removal, deterioration and illegibility of the plate placed on the unit causes major problems in the identification of the machine, in the availability of spare parts and therefore in any future maintenance. Page 7...

  • Page 8: Construction Features

    1.1.8 CONSTRUCTION FEATURES The URA R DOMO is a controlled mechanical ventilation unit with high efficiency heat recuperator, air treatment section with dehumidification, cooling and heating. The unit is particularly suitable for residential, commercial or collective residential buildings and is supplied plug-and-play for quick and simplified installation.

  • Page 9: Main Components Of The Unit

    1.1.9 MAIN COMPONENTS OF THE UNIT 1. Heat recuperator 6. Electrical panel 2. Inlet fan 7. Recirculation air damper 3. Exhaust fan 8. Air filters 9. Free cooling damper 4. Compressor and refrigeration circuit compartment 5. Finned batteries Optional external air damper Page 9...

  • Page 10: Packaging And Transport

    1.1.10 PACKAGING AND TRANSPORT The units are supplied for transport fixed on a wooden pallet and inserted in cardboard boxes. To facilitate movement, the units are equipped with a wooden pallet and hooks on the base that allow them to be lifted and positioned on the installation site. The unit can be stored in a room protected from atmospheric agents with temperatures not lower than 0°C, up to a maximum of 40°C.

  • Page 11: Installation

    INSTALLATION 2.1.1 INSTALLATION CONDITIONS The unit must be installed according to national and local regulations regulating the use of electrical devices and according to the following indications: • install the unit inside residential buildings with an ambient temperature between 0°C and 45°C; •...

  • Page 12: Condensate Drain Connection

    To mount the unit on the floor you will need: Place 4 threaded rods inside the brackets provided on the 4 corners of the unit; Secure the unit to the floor through the brackets, using suitable ones anchoring systems (plugs, chains...) and check their leveling with the help of a level.

  • Page 13: Areaulic Connections

    AREAULIC CONNECTIONS 2.1.4 AREA ORIENTATIONS The unit is equipped with 4 male circular rear connections of different Ø and a front rectangular spout depending on the size; For the correct connection of the air ducts, refer to the following diagram and the stickers placed on the unit. Table of unit aeraulic connection diameters SIZE 30/15...

  • Page 14: General Information

    3.1.1 GENERAL INFORMATION - The units are equipped with hydronic coils with water-air exchange; - The connections on the units, even in different applications and versions, are always common to all units. - Make sure you respect the flows indicated on the plates: inlet (water entering the unit), outlet (water leaving the unit) - Make sure that the weight of the pipes does not weigh on the connections provided - Provide shut-off valves on the delivery and return pipes to the system - All chilled water pipes must be insulated to minimize unwanted heat exchanges and the formation of condensation.

  • Page 15: Way Valve Connection

    Connect the pipes with a threaded male fitting and tighten it with dedicated tools; Be careful not to twist or twist the piping coming from inside the unit; Rotating the pipes during connection could damage the connections inside the unit and cause water leaks during operation;...

  • Page 16: Recommended Connection Diagrams

    3.1.4 RECOMMENDED CONNECTION DIAGRAMS - CONNECTION TO THE RADIANT SYSTEM MANIFOLD: The unit is powered by a collector circuit of the radiant system. Make sure there is the necessary flow rate on the circuit. NB: With this type of installation it is necessary to guarantee the machine the nominal flow rate described in the technical data sheet;...

  • Page 17: Refrigerator Diagrams

    3.1.5 WELL REFRIGERATING SCHEMES VERSION D Compressor High pressure switch Service outlet Air condenser Evaporator Water battery Filter drier Rolling organ Diagram Version D DC VERSION Compressor High pressure switch Service outlet Air condenser Evaporator Water battery Filter drier Rolling organ Water condenser Rolling organ Solenoid valve...

  • Page 18: General

    3.1.6 GENERAL INFORMATION - Before starting any operation to make the electrical connection, make sure that the unit is not electrically powered - Carry out the necessary electrical connections by consulting exclusively the electrical diagram attached to this manual. - Install a suitable interruption and differential protection device to exclusively serve the unit. - It is essential that the unit is connected to an earthed socket.

  • Page 19: Unit Electrical Diagrams

    3.1.8 UNIT ELECTRICAL DIAGRAMS Page 19...
  • Page 20 CONNECTIONS BY THE CUSTOMER Unit power supply 230 / 1 / 50 L – PE - N 2-point valve control V3V (L1) – V3V (N) – V3V (L2) L1-N Fixed voltage L2 – Command Pump control PM – PM 230/1/50 Max (2A) Contact Closed unit ON OFF –...

  • Page 21: Possible Operating Modes And Configurations For The Unit

    3.1.9 POSSIBLE OPERATING MODES AND CONFIGURATIONS FOR THE UNIT The unit has been designed to be managed with three operating modes; 1 OPERATION WITH STAND ALONE REMOTE PANEL The unit operates via the temperature / humidity control panel (OPTIONAL) where it is possible to select set point, fan speed, activation, time bands and all unit parameters 2 OPERATION WITH CONTROLS Like a classic dehumidifier, the unit can be managed via digital...

  • Page 22: Electrical Connections Version

    3.1.10 ELECTRICAL CONNECTIONS VERSION ELECTRONIC BOARD CONNECTION TO CNU TERMINAL The electronics installed on the unit include a semi-graphic remote terminal with capacitive keys and a temperature/humidity sensor inside; The graphic terminal can be mounted on the wall or outside the 503 box; The terminal is always supplied in a configuration for wall mounting or on a 503 box, which protrudes from the wall;...
  • Page 23 Display connection (up to 15m) CONNECTION OVER 15MT UP TO 100MT WITH EXTERNAL POWER SUPPLY If the connection distance is greater than 15m, it becomes necessary to power the display from an external power supply to be supplied by the installer;...
  • Page 24 The unit can be connected via a dry contact to a device for selecting the operating season; With closed contact: the unit will be in winter, with open contact the unit will be forced in summer; Through the remote control it will be possible to enable or disable this function;...
  • Page 25 The input signal is linear and goes from: Screw terminals Recommended wire = 2x0.5mm / 2 x 0.75mm Min fans = 10% Max fans = 100% Fan regulation contact GENERIC ALARM SIGNAL CONNECTION The unit can signal a machine alarm through the generic alarm contact;...
  • Page 26 PUMP / GENERATOR CONTROL The unit includes the control of a generator or a post battery, a 230v control on the terminal block; Contact closed: 230v present, with active request; Screw terminals Recommended wire = 2x0.5mm / 2 x 0.75mm Pump / generator control 2/3 POINT VALVE CONTROL The unit provides the control of a 2/3 point On-off...

  • Page 27: Commissioning And Method Of Use

    COMMISSIONING AND HOW TO USE 4.1.1 OPERATION OF -K- VERSION CNU REMOTE PANEL 4.1.1.1 CONTROL PANEL - DESCRIPTION AND FUNCTIONALITY OF KEYS The control panel of the units is a graphic keyboard with a screen resolution of 82x156mm and IP65 front protection. The interface is structured through masks, in which there are writings, graphic symbols and numbers.
  • Page 28 4.1.1.2 GRAPHIC ICON DISPLAYS - The unit can be enabled and disabled in two different ways. 1) Through a clean contact connected to a device for turning the unit on/off remotely, such as a switch or a timer. With the contact closed the unit will follow the actions indicated in point 2, while with the contact open the machine will remain off and display the “OFF Di”...
  • Page 29 4.1.1.3 SWITCHING THE UNIT ON AND OFF The unit can be enabled and disabled in two different ways: 1) Through a clean contact connected to a device for turning the unit on/off remotely, such as a switch or a timer. With the contact closed the unit will follow the actions indicated in point 2, while with the contact open the machine will remain off and display the “OFF Di”...
  • Page 30 Seasonal change - To change season, press the button , then press the keys to select the season and confirm with the button To exit the menu press the button Page 30...
  • Page 31 4.1.1.6 SET – POINT SETTING - If the panel is present, the temperature and humidity will be detected via the internal sensors of the CNU; However, the forcing dehumidification and integration functions from digital inputs on the terminal board will also remain active; Settings of the various set points - Press are therefore possible;...
  • Page 32 If the “AL26 – RTC Alarm” alarm does not disappear, disconnect and reconnect the power and repeat Clock setting (RTC) the procedure. To exit the menu press the button Page 32...
  • Page 33 USER MENU This section contains the parameters visible and modifiable by the user, listed alongside. - Press the key to access for 2 seconds per the USER menu; - Press the user to enter the menu key; - The MODE parameter will appear on the display summer/winter operation Set point for summer operation (MOD)
  • Page 34 4.1.1.9 VIEWING STATUS PAGES With unit ON, by pressing the buttons , it is possible view the status pages of each family. On every page / family of states, the information can be viewed by pressing the keys The available screens are: SET display of time bands and release of the current band On these screens you can: - enable time band regulation via "Etb".
  • Page 35 4.1.1.10 ALARMS MENU in the main display mask allows you to Pressing the button access the alarms menu; the writing ALM PAGE will be displayed. By pressing the SET button it is possible to view the alarms in progress. Two types of writing will be displayed: - No ALAr: No alarm present - ALM Alxx: Indicates the presence of an alarm, where xx indicates the error code.
  • Page 36 4.1.1.12 MAINTENANCE TECHNICIAN / INSTALLER / MANUFACTURER MENU In this section it is possible to access the reserved menus for the MAINTENANCE TECHNICIAN / INSTALLER / MANUFACTURER level settings: - press the button for 2 seconds to access the USER menu; to select the desired menu e - then press the keys press...

  • Page 37: Maintenance

    MAINTENANCE To always guarantee the correct and optimal functioning of the unit, it is necessary to periodically carry out all maintenance operations. 5.1.1 CLEANING OR REPLACING FILTERS To replace the filters or clean them, proceed as follows: • remove power to the unit; •...

  • Page 38: General Cleaning Of The Unit

    5.1.3 GENERAL CLEANING OF THE UNIT It is advisable to occasionally check and, if necessary, clean the fans, the condensate drain and the internal walls of the unit. These operations must only be carried out by qualified personnel (installer). To carry out the above operations, proceed as follows: remove power from the unit in case of ceiling installation, disconnect the condensate drain pipe;...

  • Page 39: Alarms

    ALARMS 6.1.1 GENERAL INFORMATION In the event of problems or faults, take note of any error code that appears on the display of the electronic control unit or remote control, take note of the model and serial number of the unit you have (present on the identification plate attached to the side of the unit) and contact the installer. 6.1.2 PROBLEMS WITHOUT ERROR INDICATION ON THE DISPLAY PROBLEM CAUSES...

  • Page 40: Table Of Alarms Signaled By The Display

    TABLE OF ALARMS SIGNALED BY THE DISPLAY Below is a list of all the alarms managed by the application. The presentation order is the same as the order in which alarms appear when active. The alarms can all be viewed even with the machine turned off. CODE REARM ALARM DESCRIPTION...

  • Page 41: Notes And Maintenance Information

    NOTES AND MAINTENANCE INFORMATION NOTES - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
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