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Summary of Contents for Innova HRA+ 60
- Page 1 INSTALLATION, USE AND MAINTENANCE MANUAL HIGH-EFFICIENCY HEAT RECOVERY UNIT WITH INTEGRATED HEAT PUMP Page 1...
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Page 2: Table Of Contents
INDEX GENERALITY ...................................... 4 1.1.1 INTRODUCTION ................................... 4 1.1.2 BASIC SAFETY RULES ..............................4 1.1.3 SYMBOLOGY ..................................5 1.1.4 WARNINGS ..................................5 1.1.5 CONFORMITY ..................................6 1.1.6 GAMMA ....................................6 1.1.7 IDENTIFICATION ................................6 1.1.8 CONSTRUCTION FEATURES ..............................7 1.1.9 MAIN COMPONENTS OF THE UNIT ............................. - Page 3 6.1.2 OPERATION VERSION -E- TAL REMOTE PANEL ........................21 6.1.3 OPERATION VERSION -E- REMOTE PANEL VISIOGRAPH TGF .................... 24 MAINTENANCE ....................................34 7.1.1 CLEANING OR REPLACING FILTERS ............................ 34 7.1.2 HEAT EXCHANGER CLEANING ............................34 7.1.3 GENERAL CLEANING OF THE UNIT ............................ 34 ALARMS ......................................
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Page 4: Generality
GENERALITY INTRODUCTION This manual is designed to make the installation and operation of your system as simple as possible. By reading and applying the suggestions in this manual, you will achieve the best performance from the product you have purchased. We would like to thank you for the choice you have made by purchasing our product. -
Page 5: Symbology
SYMBOLOGY The symbols shown in the following booklet allow you to quickly provide the information necessary for the correct use of the unit. Safety symbology 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: Conformity
To connect, use a cable of sufficient length to cover the entire distance, without any connection; Do not use extension cords and do not apply other loads on the power supply but use a dedicated power supply circuit. After connecting the electrical cables, make sure that the cables are arranged so that they do not exert excessive force on the covers or the electrical panels;... -
Page 7: Construction Features
CONSTRUCTION FEATURES ALL IN ONE: Complete unit capable of exchanging the air and autonomously integrating the thermal and cooling requirements of the rooms served. The unit is complete with every component for its operation and ready to use. HEAT RECOVERY SECTION: Aluminium cross-flow heat exchanger efficiency (50-60%). -
Page 8: Main Components Of The Unit
MAIN COMPONENTS OF THE UNIT 1. Refrigerant circuit 4. static heat recovery unit 2. Fans 5. Filters 3. Finned coils 6. Electrical panel 7. Compressor control driver (HRA+ versions only) REQUIREMENTS FOR START -UP Make sure there are no foreign bodies inside the unit before start-up. Check the fastenings of the closing panels and inspection doors. -
Page 9: Installation
INSTALLATION INSTALLATION CONDITIONS The unit must be installed in accordance with national and local regulations governing the use of electrical equipment and according to the following guidelines: install the unit indoors, if installed outdoors provide the accessory rain roof; avoid areas near sources of heat, steam, flammable and/or explosive gases and particularly dusty areas; install the unit in a frost-free location (condensation water must be drained off unfrozen, at a certain angle, using a siphon);... - Page 10 Floor Mounting Mounting the unit on the floor requires: • Place the unit on a suitable surface that can support the weight of the unit; • Then secure the unit's feet to the floor using screws or brackets not supplied; •...
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Page 11: Condensate Drain Connection
CONDENSATE DRAIN CONNECTION Due to the heat recovery system and the refrigeration circuit, the unit generates condensate; For correct operation of the heat recuperator, a condensate drain must therefore be connected to the system. In addition, to allow the condensate water to drain away correctly and avoid air suction, the condensate drain must always be fitted with a dedicated siphon to be made during installation;... -
Page 12: Areaulic Connections
AREAULIC CONNECTIONS AREAULIC GUIDELINES The unit is equipped with 4 male circulating connections of different Ø depending on the size: for optimal operation. For the correct connection of the air ducts, refer to the following diagram and the stickers located on the unit. Table Unit Aeraulic Connection Diameters Model HRA+... - Page 13 UNIT CONFIGURATION Left-hand connection Red arrows: return/exhaust air Blue arrows: fresh/supply air Top View Unit RH CONFIGURATION VERSIONS RH VERSION CONFIGURATIONS (DX POSSIBLE ONLY WHEN ORDERING) Top View Unit Page 13...
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Page 14: Electrical Connections
AERAULIC CONFIGURATIONS ON RIGHT VERSIONS THAT CAN ALSO BE OBTAINED ON SITE UNIT CONFIGURATION Left-hand connection Red arrows: return/exhaust air Blue arrows: fresh/supply air Top View Unit ELECTRICAL CONNECTIONS GENERALITY -Before starting any operations to make the electrical connection, make sure that the unit is not electrically powered. -Make the necessary electrical connections by consulting only the wiring diagram enclosed with this manual. -
Page 15: Connection Placement And Procedures
CONNECTION PLACEMENT AND PROCEDURES The electrical cable entry is located on the side of the unit, on the left side of the electrical panel; Two passages are prepared with cable glands installed and inside the electrical panel there will then be the customer terminal board where all the required electrical connections can be made;... -
Page 16: Electrical Connections
ELECTRICAL CONNECTIONS - ELECTRONIC BOARD CONNECTION TGF TERMINAL The electronics installed on the unit include a black and white graphic remote terminal; The TGF black and white graphic terminal provides for wall mounting or external mounting on the 503 box; For connection use shielded/braided cable (min. - Page 17 On the plastic support of the control panel the connections are indicated by a label; Observe from top to bottom, the sequence VNR, (+), (-); Wall or 503 electrical box mount Spring clamps Mounting with dedicated flush-mounted box Recommended cable = 3x0.75mm / 1mm shielded Collegamento Touch TGF / TNF Auxiliary Connections...
- Page 18 SUMMER/WINTER CONNECTION 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 summer, with open contact the unit will be forced into winter; Through the remote control it will be possible to enable or disable this function;...
- Page 19 FREE COOLING OPTIONAL MODULE CONNECTION Follow the MFA manual for connecting the free cooling module on the various unit sizes; Ventilation only contact MODULATING VALVE CONTROL The unit provides for the control of a modulating valve/battery with a 0-10v control signal via the controls on the terminal board;...
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Page 20: External Battery Installation
EXTERNAL BATTERY INSTALLATION ELECTRIC HEATERS The unit can be equipped with an electric heater that can be installed in the following ways. The battery is managed directly by the unit in the 0-10V versions and is equipped with an internal safety thermostat. For details of the electrical connections, follow the instructions in the battery manual Battery with post-heating function In winter, the battery has the function of heating the air entering the house to bring it to the required comfort temperature. -
Page 21: Commissioning And How To Use
COMMISSIONING AND OPERATING MODE GENERALITY In order to ensure the ‘drainage’ of naturally occurring moisture inside the home, the unit must be operated continuously at least at reduced speed (speed 1). If the ventilation unit is switched off, condensation may occur inside the unit and inside the building with possible moisture damage. Only qualified personnel (authorised installer) may commission the unit and change the factory settings. - Page 22 CHANGE SET POINT The set point on the regulation probe is changed as follows: Press and hold the set button for more than 3 seconds: SetH (in winter mode) and SetC (in summer mode) will appear on the display: Use the arrows to select the desired value and press Set again to confirm. Viewing probes PROBE VISUALIZATION Pressing the arrow keys will display the unit's probes as follows:...
- Page 23 ALARM HISTORY DISPLAY – FUNCTIONS MENU If an alarm occurs, the device records the alarm code; the last recorded alarm is stored with higher progressive index. Once you enter the function menu with the up or down arrows display the Alog sub-menu and confirm with enter: the lower display shows the alarm label and the upper display shows the label “n”...
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Page 24: Operation Version -E- Remote Panel Visiograph Tgf
SET POINT CHANGE AND ADJUSTMENT FUNCTION WITH OUTSIDE AIR The standard unit is configured with dual regulation function for compressor activation. The regulation will be as follows: The unit will activate the compressors only if they are in demand: - The set point referred to the regulation probe as indicated in the previous paragraph - The set point referred to the outdoor air probe as described below If both will not be in control demand, the unit will operate in ventilation-only mode. - Page 25 When power is given to the unit, the display shows the Innova logo as visible below; pressing the "ENTER" key leads to the main display while pressing the key allows you to view information relating to the applications on the tools.
- Page 26 Table Main Form Icon Views: Active compressor(s) Active fan(s) (flashing during safety timing) The icons that can be displayed in the main form are as follows: Defrosting unit Time slot function enabled Active alarm What the main view keys mean: Allows the display of the value of Key for displaying the current mode set point the probes configured in the...
- Page 27 CONTROL PANEL – PROBE DISPLAY Pressing the button in the main screen displays the values of all probes connected to the unit (press to display all probes present). The probes displayed in the menu will be: - Ambient air -Intake air - Outside air -Exhaust air - Coil temperature Probe Mask Display...
- Page 28 CONTROL PANEL – SERVICE MENU Pressing the button allows you to access the SERVICE menu where you can perform the following operations: Service menu display Table Displays of service menu icons: Factory Menu Alarm history menu Clock Menu Defrost menu Compressor Menu Input/Exit Menu The icons that can be displayed in the main form...
- Page 29 CONTROL PANEL – FACTORY MENU Pressing the button will take you to the factory menu: -press the - enter the password value using the - confirm with the button The message "Password correct" will appear on the display; pressing the button will allow you to access the various groups of parameters.
- Page 30 In the compressor maintenance menu, you can reset the operating hours and the number of times the compressor is switched on in the circuit: • using the or keys select RST to reset hours and starts; • Press the key for 5 seconds to perform the operation In the same menu you can Disable/enable the compressor: •...
- Page 31 CONTROL PANEL – ALARMS IN PROGRESS MENU Using the keys it is possible to view all the alarms in progress; the alarm status can be: Active: if the cause of the alarm is still present; in this case the alarm cannot be reset Reset: the cause that generated the alarm is not present;...
- Page 32 CONTROL PANEL – INPUT/OUTPUT STATUS MENU Use the keys to select the quantities you want to display, then press to access. You can view: Analog Inputs – Analog Outputs Digital Inputs – Digital Outputs Input / output status menu display CONTROL PANEL –...
- Page 33 CONTROL PANEL – DISPLAY AND INFORMATION SETUP MENU Through the control panel you can set: 1.display contrast 2.activation time 3.backlight 4.Language selection 5.View information about the firmware and BIN versions of the Ichill and keyboard. Operations to be performed to change a setting: -select the setting to be changed using the keys -press the button -change the setting using the...
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Page 34: Maintenance
MAINTENANCE To ensure proper and optimal operation of the unit at all times, all maintenance should be performed periodically. CLEANING OR REPLACING FILTERS To replace the filters, or clean them, proceed as follows: • turn off power to the unit; •... -
Page 35: Alarms
ALARMS GENERALITY In the event of a problem or fault, make a note of any error code that may appear on the display of the electronic control unit or remote control, make a note of the model and serial number of the unit you own (found on the rating plate attached to the side of the unit) and contact the installer. PROBLEMS WITHOUT ERROR INDICATION ON THE DISPLAY PROBLEM CAUSE... -
Page 36: Table Of Alarms Signaled By Display On Board Unit / Remote Panel
TABLE OF ALARMS SIGNALED BY ON-BOARD DISPLAY UNIT / REMOTE PANEL Below is the table of the operating anomalies of the unit reported, in the electronic versions, by the on-board display or by the remote controls. CODE DESCRIPTION CAUSE REMEDY - Check the pressure of the refrigerant circuit -Excessive refrigerant charge -Low flow - Check the air temperatures on the condensing side (winter-... -
Page 37: Maintenance Notes And Information
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