Vent-Axia Advance MVHR Original Instructions Manual
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Vent-Axia Advance MVHR Original Instructions Manual

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Advance
MVHR
Interim Controls Guide
Original Instructions
PLEASE READ THESE INSTRUCTIONS CAREFULLY
ALONGSIDE YOUR INSTALLATION & USER GUIDE
BEFORE COMMENCING INSTALLATION OR OPERATION.
PLEASE REFER TO ACCOMPANYING DOCUMENTATION
FOR INFORMATION SPECIFIC TO YOUR UNIT.
PLEASE RETAIN THESE INSTRUCTIONS WITH THE
PRODUCT.
Copyright © 2023 Vent-Axia. All rights reserved.

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Summary of Contents for Vent-Axia Advance MVHR

  • Page 1 PLEASE READ THESE INSTRUCTIONS CAREFULLY ALONGSIDE YOUR INSTALLATION & USER GUIDE BEFORE COMMENCING INSTALLATION OR OPERATION. PLEASE REFER TO ACCOMPANYING DOCUMENTATION FOR INFORMATION SPECIFIC TO YOUR UNIT. PLEASE RETAIN THESE INSTRUCTIONS WITH THE PRODUCT. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 2 Warnings and Safety Information • Do not install this product in areas where the following may be present or occur: • Excessive oil or a grease laden • Ambient temperatures higher than 40°C atmosphere. and lower than -20°C. • Corrosive or flammable gases, liquids or •...

  • Page 3: Table Of Contents

    CONTENTS Electrical Installation Electrical Installation Connecting Switches and Sensors Connecting the Power Supply and Light Switch Operating and Monitoring Powering up the Unit Initialisation/Loading Screen Serial number on initialisation Overview Display overview – Home screen Home user menu Display overview – Additional icons Display overview –...

  • Page 4: Electrical Installation

    ELECTRICAL INSTALLATION Electrical Installation WARNING ENSURE THE ELECTRICAL SUPPLY AND CONTROLS ARE ISOLATED FROM THE MAINS POWER SUPPLY BEFORE REMOVING ACCESS COVERS Step 1: Remove the front cover by pressing the tabs either side of the control module and lifting the cover outwards from the bottom edge. Step 2: Remove the two screws on either side of the access panel.

  • Page 5: Connecting Switches And Sensors

    ELECTRICAL INSTALLATION Connecting Switches and Sensors The unit can be switched to boost by applying 240V to the LS input. For good EMC engineering practice, any sensor, switched live or Volt free cables should not be installed within 50mm of other cable or on the same metal cable tray as other cables.
  • Page 6 ELECTRICAL INSTALLATION Other means of connecting the unit may be used if they meet the local wiring regulations. SEE NOTES ON THE NEXT PAGE Terminal No. Name Description Switched Live 2 220-240 V AC, 50 Hz input Switched Neutral 2 220-240 V AC, 50 Hz input Switch Live Switch Live (Common neutral with Mains Supply)

  • Page 7: Connecting The Power Supply And Light Switch

    ELECTRICAL INSTALLATION Connecting the Power Supply and Light Switch WARNINGS 1. MAINS SUPPLY VOLTAGES (220-240 V AC) ARE PRESENT IN THIS EQUIPMENT, WHICH MAY CAUSE DEATH OR SERIOUS INJURY BY ELECTRIC SHOCK. ONLY A SUITABLY QUALIFIED PERSON SHOULD CONNECT THE POWER SUPPLY TO THIS UNIT.

  • Page 8: Operating And Monitoring

    OPERATING & MONITORING Powering up the Unit Switching On To switch the unit on: 1. Switch on the power at the mains supply isolator feeding the unit. 2. Following switch-on, after initialisation (up to 2 minutes) the fan motors will start and the Control Unit will display the home screen.

  • Page 9: Overview

    OPERATING & MONITORING Overview The instructions in this section are intended to provide configuration and operation information for setting up the equipment. In the event of problems, see Diagnosing a Problem on page 26. Follow good practice when commissioning the unit. Ensure that the system is installed according to the system designer’s intent incorporating any acoustic ducting, that all joints are airtight, ducting is well supported, bends are avoided close to vents, and that the vent valves are fully open at the start of the commissioning process.

  • Page 10: Home User Menu

    OPERATING & MONITORING Home User Menu Home screen Heat recovery % Scheduled time slots Filter life remaining Read only Adjustable Adjustable Service interval remaining Notification (If any) Warnings (If any) Read only Read only Read only Visible only if Visible only if notification is present warning is present Display overview –...

  • Page 11: Display Overview - Mode Indicators

    OPERATING & MONITORING Display overview – Mode indicators Auto Mode User Override Temperature Night Mode Override Schedule Humidity Override Override Switch 0-10V Override Override Silent Hours LS Override CO2 Override Display overview – Indoor air quality monitor IAQ indicator No additional In conjunction with demand and linked to:...

  • Page 12: Display Overview - Heat Recovery Mode

    Blue LED is illuminated. The App allows the user instant access to commissioning, configuration, direct monitoring and control of the MVHR unit, using a smart phone or tablet with the Vent-Axia Connect App, available from the iTunes Store or on Google Play.

  • Page 13: Pairing Sensors

    OPERATING & MONITORING Pairing sensors To pair the unit with a wired or wireless sensor: • Press the MENU button to turn on the display. • Press and hold the MENU button until the LED illuminates solid White. • Release the MENU button, the LED will flash White to indicate that it is in pairing mode.

  • Page 14: Speed Override

    OPERATING & MONITORING Speed override Home screen Override timer Increase Timer Decrease Timer Change Fan Speed – Low, Normal, Boost, Purge Confirm Timer Schedule Fan Speed Press 2 x from Home Day 1 = 1 Bar = Low Screen to enter Monday 2 Bar = Normal scheduling.

  • Page 15: Filter Reset

    OPERATING & MONITORING Filter reset Filter life remaining Press 3 x from Home Screen to enter filter screen. Enter Reset/Confirm Selection. Change service duration for filters: 3, 6 or 12 months. Months remaining, will indicate when filters need replacing/cleaning. Models with filter pressure sensors fitted, filter life is indicated by % block values.

  • Page 16: Engineer Menu

    OPERATING & MONITORING Engineer menu Engineering mode Press and hold for 3 seconds to exit or enter the Engineer Menu. Use up and down to adjust each pin number and press to confirm each number and enter Engineer settings. Engineer menu Overview Speed setting Port allocation LS Handing...

  • Page 17: Engineer Menu - Unit Handing

    OPERATING & MONITORING Engineer menu – Unit handing Enter Menu/Confirm Selection Left Handed = L Right Handed = R Left Right Handed Handed Engineer menu – Airflow units User can select preferred airflow units. Enter Menu/Confirm Selection Alternate measures This is only visible and used on Constant volume models.

  • Page 18: Engineer Menu - Airflow Speed Setting

    OPERATING & MONITORING Engineer menu – Airflow speed setting % will be displayed as l/s for Constant volume models. PR1 = Low Speed 20% Default Select PR1-4 PR2 = Normal Speed 30% Default Enter/Confirm Selection PR3 = Boost Speed 50% Default Adjust flow rate as % pr l/s...

  • Page 19: Engineer Menu - Port Allocation Sw

    OPERATING & MONITORING Engineer menu – Port allocation SW Change Fan Speed – Low, Normal, Boost, Purge Enter/Confirm Selection Change Port Switch SW01 to SW05 Engineer menu – Proportional control Press Once for Zonal Selection Press twice for Control method Selection Change Proportional Control P1 or P2 Change Zonal Control 1-15 Control Method Temperature,...

  • Page 20: Engineer Menu - Service Intervals

    OPERATING & MONITORING Engineer menu – Service Intervals Enter/Confirm Selection Service Icon Reset Service Interval Change service interval 1-60 months. Engineer menu – Summer bypass Outdoor Indoor Temperature Temperature Fan Speed Bypass Mode Press 1 x for Bypass Mode Change Fan Speed - Low, Normal, Boost, Purge 00 = Disabled (not recommended) 01 = Normal Bypass 02 = Evening Fresh...

  • Page 21: Engineer Menu - Humidity

    OPERATING & MONITORING Engineer menu – Humidity Enter/Confirm Selection Change Relative Humidity between 50-90% 70% Default Rapid rise can be Enabled/Disabled via the App. Along with Ambient response/overrun times. Engineer menu – CO2 threshold This is only visible when the CO2 sensor is installed.

  • Page 22: Engineer Menu - Date / Time

    OPERATING & MONITORING Engineer menu – Date / Time Enter/Confirm Selection Change entry within below field. YY = Year MM = Month DD = Day HH = Hour MM = Minutes Engineer menu – PIN Change Enter/Confirm Selection Change Pin Number 1-9...

  • Page 23: Engineer Menu - Default Settings

    OPERATING & MONITORING Engineer menu – Default settings Warning: This will reset the user interface to default. Push and hold the menu button for 15 seconds to reset to default including commission speeds. LED will illuminate Red. Press TICK to confirm Default Settings.

  • Page 24: Maintenance

    MAINTENANCE OPERATING & MONITORING Filter Maintenance Heat recovery units require regular maintenance. This unit has been designed to facilitate access to enable maintenance to be carried out easily. When the unit displays a warning symbol and warning code: W-12 filter cleaning/replacement is overdue.

  • Page 25: Spares

    MAINTENANCE OPERATING & MONITORING Spares The following spare parts may be ordered from Vent-Axia: Part No Description Main PCBA – Contact Technical Support ?????? 411622 Control Module (HMI with Display) 411703 Control Module (HMI with no Display) 472667 Filters G3, 2 per pack...

  • Page 26: Diagnosing A Problem

    MAINTENANCE OPERATING & MONITORING Diagnosing a Problem In the event of a problem, always troubleshoot the unit according to: • Notification code displayed on the control unit. A notification flag indicates service/maintenance will be due soon. • Warning code displayed on the control unit. A warning code is advisory and will not immediately stop the function of the unit.

  • Page 27: Power On Self-Test - Hmi

    MAINTENANCE Commissioning Power on Self-Test The LED blinks RED for ‘X’ times, based on the error bit flag that is set. e.g. “Storage” 3x flash – Pause – 3x flash………. MVHR (HMI) Self-Test Failures Flash RNG - Random Number Generator (RNG) peripheral has failed as part of self-test routine Flash - DS-45DB081E flash chip initialisation failed Storage –...

  • Page 28: Accessories

    ACCESSORIES ELECTRICAL INSTALLATION Accessories • Wall-Mounting HMI Kit – 411628 The Wall-Mounting Kit has been designed to allow the HMI controller module to be removed from the MVHR unit & mounted remotely to a single gang flush mount back-box of 25mm depth (min.). the kit is supplied with a 15m lead and control panel blanking cover.

  • Page 29: Technical Data

    TECHNICAL DATA ELECTRICAL INSTALLATION Flow Rate settings The Unit has four (4) user defined speeds, which are adjustable in the advance setting menu or via the App. The speed mode names are customisable via the App. Default speed modes names: - •...
  • Page 30 ELECTRICAL INSTALLATION...
  • Page 31 ELECTRICAL INSTALLATION...

  • Page 32: Disposal

    Has not been modified or repaired by any person not authorised by the company. IF CLAIMING UNDER TERMS OF GUARANTEE Please return the complete product, carriage paid to your original supplier or nearest Vent-Axia Centre, by post or personal visit. Please ensure that it is adequately packed and accompanied by a letter clearly marked “Guarantee Claim”...

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