Vent-Axia Sentinel Apex HR06X Installation Operation & Maintenance
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Vent-Axia Sentinel Apex HR06X Installation Operation & Maintenance

Vent-Axia Sentinel Apex HR06X Installation Operation & Maintenance

Commercial heat recovery
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Sentinel Apex
Commercial Heat Recovery
Installation, Operation & Maintenance
Original Instructions
PLEASE READ THESE INSTRUCTIONS CAREFULLY
BEFORE COMMENCING INSTALLATION OR OPERATION.
PLEASE REFER TO ACCOMPANYING DOCUMENTATION FOR
INFORMATION SPECIFIC TO YOUR UNIT.
PLEASE RETAIN THESE INSTRUCTIONS WITH THE PRODUCT.
1
Stock Ref. N°
HR06X
HR10X
HR15X
HR21X
Copyright © 2023 Vent-Axia. All rights reserved.
HR06RX
HR10RX
HR15RX
HR21RX

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  • Page 1 HR10RX HR15X HR15RX HR21X HR21RX PLEASE READ THESE INSTRUCTIONS CAREFULLY 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 INVOLVED IN THE INSTALLATION. AT ALL TIMES, INSTALLATION PRACTICES MUST COMPLY WITH RELEVANT HEALTH AND SAFETY LEGISLATION. • SENTINEL APEX UNITS ARE DESIGNED AND SPECIFIED FOR USE WITH VENT-AXIA CONTROLS, DAMPERS, GRILLES AND ACCESSORIES. • DISCONNECT THE APPLIANCE FROM ITS POWER SOURCE DURING SERVICE AND WHEN REPLACING PARTS •...
  • Page 3 • THIS UNIT SHOULD NOT BE USED IN A GREASE-LADEN ATMOSPHERE. • CAUTION – SOME PARTS OF THIS PRODUCT CAN BECOME VERY HOT AND CAUSE BURNS. PARTICULAR ATTENTION HAS TO BE GIVEN WHERE CHILDREN AND VULNERABLE PEOPLE ARE PRESENT. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 4: Table Of Contents

    Pre-Heater Removal & Replacement Actuator Removal & Replacement Actuator PSU Removal & Replacement (HR21X Model ONLY) Main Control PCB Removal & Replacement Pressure Sensor PCB Removal & Replacement Heater Control PCB Removal & Replacement Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 5 Airflow Troubleshooting Temperature Troubleshooting Condensate Troubleshooting Appendices Appendix A: Glossary Appendix B: Options and Accessories Appendix C: Main Controller PCB Terminals Appendix D: Modbus Registers Appendix E: Commissioning Record Appendix F: Additional Technical Data Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 6: Product Description

    Performance simply delivered with more as standard. Vent-Axia’s Sentinel Apex range of commercial heat recovery units with up to 93% EN308 heat recovery efficiency, low sound levels and low specific fan powers the range provides high levels of performance efficiently.
  • Page 7 This allows for local monitoring of the unit along with the commissioning set-up. App based control is also available via the Vent-Axia Connect App. This provides detailed commissioning and monitoring information and the ability to control the unit remotely.

  • Page 8: Technical Specification

    0% to 95% (non-condensing) – weatherproof unit option Storage Temperature -10C to +40C Storage Humidity 0% to 95% (non-condensing) Condensate Pump 8 L/hr @ 8m head, 16 L/hr @ 2m head. 8m Max Head Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 9: Unit Dimensions & Weights

    1319 C (HEIGHT) 1024 1450 1440 1440 1446 1363 1353 1353 1359 1097 WEIGHT 275 Kg 338 Kg 348 Kg 470 Kg Note: Standard arrangement shown. Opposite handed units available by special order. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 10: Minimum Maintenance Access Clearances

    Technical Specification Minimum Maintenance Access Clearances Figure 2: Maintenance Access - View from Below Figure 3: Maintenance Access – View from Side DIMENSIONS (mm) MODEL HR06X HR10X HR15X HR21X 1100 Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 11: Installation

    2. Connect the Power Supply 3. Connect the Commissioning Interface FOR DETAILS OF EACH STEP, SEE THE Switching On/Off FOLLOWING SECTIONS 1. Check all access panels & duct connections. 2. Switch On Figure 4 Installation Overview Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 12: Before Installing Your Equipment

    A forklift truck, crane or similar lifting gear is required to lift and move the unit. Suitably support the unit from the underneath, uniformly distributing the load across the chassis. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 13: Physical Installation

    Minimum Maintenance Access Clearances on page 10). Check the dimensions of the unit detailed in the Technical Specification. Maintenance access can be via different panels depending on the installation type (see Removal/Replacement of Parts on page 43). Figure 5: Control Panel & Filter Access Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 14 The blocks should be positioned directly below the support brackets provided for ceiling mounting. >150mm Figure 7: Roof Mounting Note: Any exposed ductwork must be insulated if the Apex unit is mounted on a roof or other external position. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 15 M6x26 bolts. Ensure flange is suitably sealed to the unit by use of a closed cell foam or suitable mastic sealant to maintain the internal pressure and prevent water ingress. Figure 9: Weather Cowls Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 16: Electrical Installation

    Other terminals are connected as required at the factory. DO NOT disconnect any factory fitted connections. FACTORY FITTED Proportional Outputs Not in use OPTIONAL CUSTOMER CONNECTIONS Figure 10: Main Controller PCB Terminal Connections Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 17 Route the power cable though either the 20mm or 16mm hole into the control box, beneath the DIN rail. Fitting an appropriately sized M20 or M16 gland. Connect the power supply to the DIN rail. See configuration options on the next page. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 18 CONTROL BOARD, FANS, PUMP TO ISOLATOR HEATER HEATER Note: 1. All units will be supplied with the DIN rail configured for single phase connection. 2. Use fixed wiring with rigid conductors. DO NOT use flexible cable. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 19 5. Screw the backplate to the backbox, then clip the HMI controller to the backplate. Mounting Plate PCBA Connections 24VDC Supply Terminal Wiring Colour GND (-) Brown/White 24VDC (+) Brown 2 (RS485 -B) Blue/White 1 (RS485 +A) Blue Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 20: Operating And Monitoring

    WITH THE ONBOARD ISOLATOR SWITCHED OFF, THERE IS POTENTIAL ACCESS TO LIVE CONNECTIONS IF DIN RAIL COVER IS REMOVED. ALWAYS FULLY ISOLATE THE MAINS SUPPLY TO THE UNIT BEFORE REMOVAL OF THE DIN RAIL COVER. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 21: Overview

    Removal of the window is required to operate the push buttons. Remove and retain 4No fixings to remove the metal shroud and Perspex window. On refitting, ensure the window is fitted with its gasket towards the unit to ensure appropriate sealing. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 22 Press to move to the next menu item. Enter Press to enter the menu item and adjust settings. Status LED A status LED indicates the presence of a fault see the Trouble Shooting Section for details. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 23 Operating and Monitoring On-board User Menu The below diagram shows the menu structure accessible via the onboard HMI. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 24 Operating and Monitoring Commissioning Menu The below diagram shows the commissioning menu structure accessible via the onboard HMI. Security PIN? 0--- (Only available in Constant Volume Mode) Continued on next page Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 25 Operating and Monitoring Continued on previous page Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 26: Remote Hmi

    2 minutes Additional Devices to complete. (If purchased) Idle Green LED indicates secondary HMI device, no Bluetooth/WiFi support. (Refer to Pairing Sensors) Serial number on initialisation Serial number displayed after initialization is complete. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 27 Filter life slots remaining Adjustable Read only Adjustable Notification (If any) Warnings (If any) Service interval Read only Read only Read only Visible only if Visible only if warning is present notification is present Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 28 Bluetooth Anti-frost Pressure Active icon Pre-heater Filter Display Overview – Mode indicators Auto Mode User Override Temperature Override Humidity Schedule Override Override 0-10V Switch Override Override Silent Hours LS Override CO2 Override Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 29 In conjunction with and linked to: • • TVOC indicator No additional • Relative humidity demand Proportional demand Full boost operation Display Overview – Heat Recovery mode Heat Recovery Mode Bypass Balance Imbalance Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 30 The App allows the user easy 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. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 31 LED will stay Red. • Pressing the MENU button again will confirm the reset command. If a reset is not wanted, leave the unit until the command times out and the LED turns off. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 32 3 Bar = Boost mode/Confirm 4 Bar = Purge Selection. Move between existing schedules and adjust schedule Finish Start times/days in edit Time Time mode Change Fan Speed – Low, Normal, Boost, Purge when flashing. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 33 Manual for warning codes. Manual for notification codes. Important: This Important: This screen is only screen is only visible if a visible if any warning or fault notification is is known. present. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 34: Engineer Menu

    Engineer menu – Overview Important: “Air flow units” is only visible on Constant volume models. “CO2” is only visible when using a CO2 sensor. “Relative Humidity” is only available when using a humidity sensor. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 35 Adjust flow rate as % pr l/s PR3 = Boost Speed 50% Default MVHR unit will run at speed indicated on this screen to aid commissioning. % will be displayed as l/s for Constant volume. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 36 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, Humidity, 0-10V, CO2 Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 37 03 = Night Time Fresh See Annex F for details Press 2 x for Indoor Temperature Change field up/down Press 3 x for Outdoor Temperature Press 4 x for return to main menu Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 38 Engineer menu – CO2 threshold This is only visible when the CO2 sensor is installed. Enter/Confirm Selection Change Fan Speed - low, normal, boost, purge Change CO2 PPM Threshold 1000-2000 Default Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 39 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 Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 40 Warning: This will hard reset the user interface to default and unpair all sensors. Push and hold the menu button for 15 seconds. LED will illuminate Red. Press TICK to confirm HMI reset. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 41: Mobile App

    Mobile App The App allows the user easy 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 42: Maintenance

    In addition to the maintenance tasks outlined below, periodic sterilisation of the unit in line with current medical advice on legionella risks is required. This is contained in a separate leaflet available from Vent-Axia. 6-Monthly Maintenance...

  • Page 43: Removal/Replacement Of Parts

    TO USE SAFE WORKING PRACTICES AND OBSERVE THE RELEVANT REGULATIONS MAY RESULT IN DEATH OR SERIOUS INJURY. REMOVAL AND REPLACEMENT OF PARTS SHOULD ONLY BE PERFORMED BY QUALIFIED AND VENT-AXIA APPROVED SERVICE ENGINEERS. DISCONNECT THE APPLIANCE FROM ITS POWER SOURCE DURING SERVICE,...
  • Page 44 2. Rotate the turnbuckles to secure the panels and firmly tighten the screws with a suitable Allen key to ensure the turnbuckles cannot be rotated by hand. Notes: The opposite side panels can be removed by unscrewing the fixings using, however removal is not required for routine maintenance. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 45 • The centre panel has an integrate condensate tray which may contain water. • When refitting, the centre panel must be correctly oriented to locate with the guide pins on the chassis. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 46 2. Replace the retained fixings and tighten by hand, to secure the panel and seal the air path. Note: On HR10X and HR15X models, top centre panel must be correctly oriented to locate with the guide pins on the chassis. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 47: Filter Removal & Replacement (Side Access)

    3. Tighten the wing bolts to secure the filter brackets firmly against the filter. 4. Replace the side access cover (see Panel Removal/Replacement section of this manual). 5. Reset filter service indicator on HMI (see On-board User Menu section) Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 48: Filter Removal & Replacement (Bottom Access)

    4. Tighten the wing bolts to secure the filter brackets firmly against the filter. 5. Replace access cover (see Panel Removal/Replacement Section of this manual). 6. Reset filter service indicator on HMI (see On-board User Menu Section of this manual) Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 49: Motor Removal & Replacement (Roof-Mounted)

    4. Switch the unit on and check direction of rotation is correct. 5. Replace the top outer panels (see Panel Removal/Replacement section of this Manual). Note: Pictured is an HR15X unit, motor removal and fixing type for other units may vary. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 50: Motor Removal & Replacement (Ceiling-Mounted)

    4. Switch the unit on and check direction of rotation is correct. 5. Replace the bottom access panels (see Panel Removal/Replacement section of this Manual). Note: Pictured is an HR15X unit, motor removal and fixing type for other units may vary. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 51: Heat Exchanger Removal & Replacement (Roof-Mounted)

    3. Lower the second heat exchanger into position, applying uniform pressure to the top face as required. 4. Refit the clamp strips and replace the top panel (see Panel Removal/Replacement section of this Manual). Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 52: Heat Exchanger Removal & Replacement (Ceiling-Mounted)

    6. Ensuring the heat exchanger closest to the control box is suitably supported, remove the clamp strips which secure it in place. 7. Slide the heat exchanger away from the control box so that it is not obstructed by the bottom frame, then repeat stage 5. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 53 DO NOT adjust the screw. Tighten the wing bolts (c) on both sides of the bracket to clamp the sensor position. 7. Replace the bottom centre panel (see Panel Removal/Replacement section of this Manual). Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 54: Condensate Sensor Removal & Replacement (Roof-Mounted)

    (see Heat Exchanger Removal & Replacement (Roof-Mounted) on page 51). 5. Replace the top panel (see Panel Removal/Replacement on page 46). 6. Replace the control box cover (see Panel Removal/Replacement on page 43). Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 55: Condensate Sensor Removal & Replacement (Ceiling-Mounted)

    The condensate pump is located in the control box. When triggered by the condensate sensor, the pump will draw water from the condensate tray and discharge it out of the unit. The method for removal and replacement is the same for ceiling and roof mounted installations. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 56 4. Replace the control box cover (see Panel Removal/Replacement section of this Manual). Note: Pump mounting orientation varies across unit. Method of removal is the same. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 57: Pre-Heater Removal & Replacement

    6. Remove all cables from the heater assembly to allow its removal: 6.1. Remove power cable by pulling the terminals from the spades, unscrewing the earth terminal ring, then pushing the grommet from the hole in the enclosure. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 58 2.2. Refit the power cable grommet into the enclosure, then connect each terminal to the heaters and thermostats. 2.3. Refit the 6-way cable into the heater enclosure, fit each wire into the screw terminal, and push the connector onto the board. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 59 3. Replace the heater cover and secure it to the heater assembly with 4No fixings. 4. Push the heater assembly fully into the unit. Align the top and bottom slots with the holes in the chassis, then secure with 2No. retained fixings. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 60: Actuator Removal & Replacement

    6. Route the cable so the control board and fit the retained PCB connector. Plug the connector onto the PCB. Note: Actuator model and mounting orientation varies across unit. Method of removal is the same. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 61: Actuator Psu Removal & Replacement (Hr21X Model Only)

    1. Refit the wires into the terminal block on the new PSU. 2. Align the PSU with the bracket in the control box and fit the retained fixings. 3. Replace the control box cover (see Panel Removal/Replacement of this Manual). Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 62: Main Control Pcb Removal & Replacement

    4. If an SD card was fitted, load settings from the SD card (see On-board User Menu section of this manual). 5. Replace the control box cover (see Panel Removal/Replacement section of this manual). Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 63: Pressure Sensor Pcb Removal & Replacement

    2. If required, refit the bracket and PCB assembly into the control box. 3. Reconnect the pressure tubes and cable as shown in the table below. 4. Replace whichever access cover was removed previously. Table 5: Pressure Sensor Connections Control Box (Single) Supply/Extract (Dual) Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 64: Heater Control Pcb Removal & Replacement

    1. Turn off and isolate the unit, allow at least 30 seconds for fans to run down. Remove the ambient end side access panel (see Panel Removal/Replacement section of this Manual) and heater assembly cover (see Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 65 4. Remove and retain 4No. fixings holding the PCB to the standoffs in the heater enclosure (b). Note on HR06X models the heater PCB is mounted to the cover. Note: The heater carriage can be partially withdrawn to give better access. Do NOT strain the cables. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 66 2. Align the Triac with its fixing hole and refit the fixings. Ensure the legs point downwards and the wires are not snagged. 3. Reconnect all cables and connectors to the PCB as shown in the diagram below. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 67: Overheat Thermostats Resetting, Removal & Replacement

    1. Turn off and isolate the unit, allow at least 30 seconds for fans to run down. Remove the ambient end side access panel (see Panel Removal/Replacement section of this Manual) and heater assembly cover (see Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 68 1. Turn off and isolate the unit, allow at least 30 seconds for fans to run down. 2. Remove the ambient end side access panel (see Panel Removal/Replacement section of this Manual) and heater assembly cover (see Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 69 2. Refit the spade connections, noting the cable idents. Refer to the diagram on the previous page. 3. Replace the ambient end side access panel (see Panel Removal/Replacement of this Manual) and heater assembly cover (see Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 70 Removal & Replacement of Parts 4. Pre-Heater Removal & Replacement section of this Manual). Note: The heater carriage can be partially withdrawn to give better access. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 71: Thermistors Removal & Replacement

    3. Route the cable along the original path back to the PCB. Plug in the connector to the PCB terminal. 4. Refit any cable ties which were removed. (Note: some cable ties hold more than one cable) 5. Refit the panels. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 72: List Of Spares

    Removal & Replacement of Parts List of Spares The table below lists the spares for the Sentinel Apex HR06X, HR10X, HR15X & HR21X: Description Part Number Part Number Part Number Part Number (HR06X) (HR10X) (HR15X) (HR21X) MOTOR ASSEMBLY SPARE (1 Motor)

  • Page 73: Troubleshooting

    • Status LED above the on-board HMI and the bottom of the Remote HMI. • Diagnostic code displayed on the Remote HMI, Onboard HMI and Vent-Axia Connect App. • Check Fuses on the Main Control PCB. F1 – 2A T 250V F2 –...

  • Page 74: Power Supply Troubleshooting

    Check the Commissioning Interface Status LED and display screens for alarm indications/messages. Temperature Troubleshooting Troubleshoot according to the fault symptoms. If the fault cannot be rectified, contact your local dealer or sales office for a service engineer. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 75: Condensate Troubleshooting

    Contact Vent-Axia Technical Support. Pump running continuously Pump Check the signal connections to the pump. Replace pump if necessary. Condensate Sensor Check the operation of the condensate sensor. Replace if necessary. Other Contact Vent-Axia Technical Support. Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 76: Appendices

    Human Machine Interface Heat Recovery Ingress Protection International Organization for Standardization Light Emitting Diode MVHR Mechanical ventilation Heat Recovery Printed Circuit Board Passive Infrared Power Supply Unit Sound Research Laboratories TVOC Total Volatile Organic Compounds Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 77: Appendix B: Options And Accessories

    240V – 4 Speed Switch with Temperature and Humidity - Wireless 496620 (White) 497693 (Black) 240V – 4 Speed Switch with Temperature and Humidity - Wired 496621 (White) 497697 (Black) 240V – AIM Alarm Interface Module including Temperature and 496441 Humidity - Wireless Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 78: Appendix C: Main Controller Pcb Terminals

    Relays may be custom configured for either: • Disabled RELAY 2 • Attention Ventilation RELAY 3 • Heating / cooling enable (controlled externally) RELAY 4 • Controlled heating / cooling (controlled by MVHR) Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 79: Appendix D: Modbus Registers

    Appendix D: Modbus Registers RS485 settings can be set via the Vent-Axia Connect App or the on-board HMI Register Map Input Holding Description Unit Description Unit Registers Register 30001 Run time uint16 days 40001 Virtual Input 1 30002 Service timer...

  • Page 80: Appendix E: Commissioning Record

    Boost Date Commissioning Setting Engineer/Technician Supply Extract Normal Boost Date Commissioning Setting Engineer/Technician Supply Extract Normal Boost Date Commissioning Setting Engineer/Technician Supply Extract Normal Boost Date Commissioning Setting Engineer/Technician Supply Extract Normal Boost Copyright © 2023 Vent-Axia. All rights reserved.

  • Page 81: Appendix F: Additional Technical Data

    Note, that the air noise in your system is influenced by flowrate, ducting design, layout and the size and type of vents used in the rooms. If improvements are required, please contact your installer. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 82 If a preheater is fitted, the preheater will turn on to warm the incoming air to above freezing. If the air temperature is so low that the heater cannot warm the air sufficiently, both the supply and extract flow rate will be reduced to compensate. Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 83 Intentionally Blank Copyright © 2023 Vent-Axia. All rights reserved.
  • Page 84 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”...

This manual is also suitable for:

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