BrookVent aircycle 4.1 User Manual
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BrookVent aircycle 4.1 User Manual

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UNRIVALLED
PERFORMANCE
in Heat Recovery Ventilation
Installation, maintenance & user manual
Applicable to the following aircycle 4.1 models:
PRODUCT CODE
AS 90-0401-WDS-01
AS 90-0401-WDS-01V
AS 90-0401-FDS-01
AS 90-0401-FDS-01V
[Type here]
DESCRIPTION
aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Wall Mount
aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Wall Mount Inverted
aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Floor Mount
aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Floor Mount Inverted

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Summary of Contents for BrookVent aircycle 4.1

  • Page 1 AS 90-0401-WDS-01 aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Wall Mount AS 90-0401-WDS-01V aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Wall Mount Inverted AS 90-0401-FDS-01 aircycle 4.1 c/w Integral Humidistat & Summer Bypass - Floor Mount AS 90-0401-FDS-01V aircycle 4.1 c/w Integral Humidistat &...

  • Page 2: Table Of Contents

    Safety ............................3 Specifications/ Dimensions (mm) ....................5 Installation ..........................10 Electrical Connections/ Wiring ....................19 Controls and Settings ........................ 21 Maintenance ..........................38 User Operation .......................... 44 Trouble Shooting ........................46 10.0 Customer Support ........................47 V. 4.1-04-08-21 brookvent.co.uk...

  • Page 3: Introduction

    ‘habitable rooms’ such as bedrooms, dining rooms and living rooms. Model Variations This installation manual refers to the Brookvent aircycle 4.1 and pertains to the following models: PRODUCT CODE...

  • Page 4: Safety

    4 years covering parts only. In the instance of a defect, Brookvent may repair the product, replace the product free of charge or refund the cost of the product at Brookvent’s own discretion. In terms of installation, operation and maintenance please follow all instructions provided.
  • Page 5 In new build properties it may be prudent to check/ change your filters after the first 3 months of occupancy depending on the amount of residual ‘building dust’ present within the property. Failure to do so will affect your warranty. Filters can be purchased directly online from brookvent.co.uk V. 4.1-04-08-21 brookvent.co.uk...

  • Page 6: Specifications/ Dimensions (Mm)

    Specifications/ Dimensions (mm) FRONT SIDE V. 4.1-04-08-21 brookvent.co.uk...
  • Page 7 Duct Connections V. 4.1-04-08-21 brookvent.co.uk...
  • Page 8 • Plug and play components for easy maintenance Installation: Wall or Floor Mount Standards: Fully complies with Building Regulations for UK & Ireland SAP Appendix Q Listed | Energy Savings Trust Best Practice | CE Guarantee Period: 5 Years V. 4.1-04-08-21 brookvent.co.uk...
  • Page 9 Kitchen + 3 Wet 0.49 Room Kitchen + 4 Wet 0.58 Room Kitchen + 5 Wet 0.67 Room Kitchen + 6 Wet 0.83 Room Kitchen + 7 Wet 0.99 Room SAP 2012 (See SAP - PCDB for further details) http://www.ncm-pcdb.org.uk/sap/ V. 4.1-04-08-21 brookvent.co.uk...
  • Page 10 Pressure Vs Flow Flow l/s Airflow: Pressure/ Performance Curve Acoustic Performance V. 4.1-04-08-21 brookvent.co.uk...

  • Page 11: Installation

    Mounting The aircycle 4.1 is designed to be either wall or floor mounted. Please ensure that this method of fixing is suitable for the mounting surface and that it can safely bear the load.
  • Page 12 The unit can then be set onto the mounting surface with the lip of each bracket intersecting as shown in Fig. 3. Ensure the system is level when fully mounted. Fig. 1 Fig. 2 Fig. 3 V. 4.1-04-08-21 brookvent.co.uk...
  • Page 13 The unit should be mounted on the Floor, on a stable, level surface. Ensure the condensate connection at the bottom of the unit can be fitted to allow a minimum 5 degree fall to the internal drainage point. Waterless Dry Trap (Not Incl.) V. 4.1-04-08-21 brookvent.co.uk...
  • Page 14 (maximum length: 300mm) and kept taut as per the Domestic Compliance Guide (Part F: England and Wales 2010 The spigots on the Brookvent aircycle 4.1 systems are suitable for connection to 150mm diameter round pipe. The label on top of the unit clearly identifies which spigot should be connected to which ducting route within the dwelling.
  • Page 15 Air valves should be locked upon commissioning so that they are tamper proof. Duct designs/ layouts should always be adhered to if provided. The Domestic Compliance Guide: Eng. and Wales 2010 or relevant equivalent dependent upon local guidelines, should be adhered to in terms of installation practices. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 16 MVHR systems generate considerable amounts of moisture due to their high Heat Recovery Efficiency; this moisture must be drained from the system to a suitable discharge location. The aircycle 4.1 is supplied complete with a centralised drainage connection on the bottom of the unit. Waterless Dry Trap (Not Incl.)
  • Page 17 4.4 Inverting the unit The aircycle 4.1 can be inverted, changing the external duct connections from the right to the left of the system as required for specific property types, where required. A: Filter Cassette Standard Front Inverted Front B: PCB Module...
  • Page 18 Note to invert the unit on site the RJ45 connect will need to be cut off the cable for the display. This will need to be replaced if connecting via a RJ45 socket after the inversion process has been completed. (See section 5.1) V. 4.1-04-08-21 brookvent.co.uk...
  • Page 19 (it should be a snug fit). Step 7. Screw the top plug in place. Step 8. The unit can be connected from the side with 1 to all 4 connections V. 4.1-04-08-21 brookvent.co.uk...

  • Page 20: Electrical Connections/ Wiring

    HRV Unit. Connecting to mains: The aircycle 4.1 unit comes pre-wired with 2m length of 4-core cable, which should be connected into a fan-isolation switch. In turn a 3-core mains cable should be used to connect to a 3A fused spur, which should be located close to the unit. The unit should never be connected to a plug outlet.
  • Page 21 5.1 Wiring Schematic V. 4.1-04-08-21 brookvent.co.uk...

  • Page 22: Controls And Settings

    Sensor, manually changing the mode on the display or automatically from internal sensors. If the Purge for either fan is required to be set, it should always be set higher than the Trickle. See section 6.8 Digital Controller full instructions. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 23 For the required airflow rates refer to the design specification for the property and or refer to Building Regulations (Part F: Means of Ventilation, England, and Wales) or relevant equivalent dependent upon local guidelines. If further guidance is required on the commissioning process, please contact Brookvent directly. V. 4.1-04-08-21...
  • Page 24 Turn the boost mode on. increase the Supply Boost level until the whole dwelling Boost rate i.e., 29l/s is achieved through the Supply valves. Do not adjust the valves, only adjust the control on the unit. Turn the boost mode off. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 25 6.4 Boost Over-Run Timer All Brookvent aircycle systems come complete with an automatic boost over-run timer. Several methods can be used to Boost the aircycle 4.1 systems (See section ‘5.0 Electrical Connections/ Wiring’). When the boost signal is applied by a switch or sensor, the boost function will be triggered.
  • Page 26 6.6 Tempering Summer Bypass Feature available on selected models only (AS 90-0103-WINS-01). The Tempering Summer Bypass feature, unique to Brookvent aircycle systems, functions via thermostatically responsive solenoid which operates on a scale between 20 Degrees Celsius (No Summer Bypass) and 27 Degrees Celsius (Fully engaged); gradually increasing...
  • Page 27 Fan failure Should the triangle with the fan symbol appear in the left-hand corner of the screen; this indicates a fault in the system that an engineer will have to investigate. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 28 System will remain in this mode until the temperature decreases of it is cancelled by changing mode at the display. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 29 To enter a menu item, press the middle button denoted as Select. Statistics The Statistics screen allows you to see what each sensor is reading in real time. There is no adjustment possible in this screen as it is for information only! V. 4.1-04-08-21 brookvent.co.uk...
  • Page 30 Press Next to select the next number until all four have been entered. If the incorrect pin has been entered, you will be given a message and return to the previous screen. You will have to re-enter the pin again to access the reset filter menu. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 31 On entering the set Next Reminder screen, you will be presented with the above options. Brookvent recommend that you change your filters at least every 12 months; However, it is good practice to inspect them and clean them more regularly to maintain good indoor air quality and protect the MVHR unit.
  • Page 32 When entering the last digit Next will change to Set. If the Pin is incorrect, you will receive a message and have to go through the process again. On entering the correct pin, you will be presented with the list of options over several screens. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 33 Use the arrow keys to navigate to the setting you want to change and press the middle Select key. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 34 5 seconds. To move the percentage points 1 at a time just press and release the arrow button. Note: the unit needs to be in trickle mode for changes to be noticed or measured. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 35 The times can be set in 5-minute intervals up to 60 minutes. After this time the unit will come out of purge mode; but can be put back into this mode if required. Brookvent recommend a time of 15 minutes or less for this function. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 36 Night Mode Rate Night Mode disables boost signals and can have a separate fan speed. To avoid inadequately ventilating the property, Brookvent recommend that this fan setting should be at set at the same level as supply trickle. Press the up and down to set the percentage fan speed between 0-100%.
  • Page 37 Press next to continue and use the arrow keys to change the digit to the required value. Press next to move over to the next digit. When you get to the last digit, press Set to save the new password. Should you ever forget this password please contact Brookvent. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 38 Note it should not be assumed that units with the same settings fitted in the same type of property will achieve the required airflows. Full commissioning should still be carried out. V. 4.1-04-08-21 brookvent.co.uk...

  • Page 39: Maintenance

    It is recommended that the filters are checked every 6 months. Replacement filters can be purchased online at brookvent.co.uk To change the filters, simply remove each filter cover cassette from the front of the unit and replace ensuring a press tight seal.
  • Page 40 Heat Exchange Core Check The aircycle 4.1 heat recovery core is protected by 2 no. filters. As long as the filters are regularly changed as detailed in the previous section there should be no need to access the system’s heat recovery core. However, should regular filter changes not be adhered to it may be advisable to access the system’s heat recovery core, and where required,...
  • Page 41 Fan Replacement The aircycle 4.1 heat recovery system has a very straight forward fan replacement process should the unlikely event of a fan failure occur. Fan c/w scroll cassette Step 1. Isolate the unit from the mains and ensure all supply circuits are disconnected.
  • Page 42 Sensor Replacement Replacement of the aircycle 4.1’s temperature sensor and/or humidity sensor is also very straight forward in the unlikely event of a failure occurring. 7.4.1 Temperature Sensor Replacement Temperature Sensor (Located on the “Fresh from outside” side of the unit...
  • Page 43 Step 8. Reinsert both filters (change if necessary) and replace the front door ensuring all four screws are securely fastened. Also ensure the filter tabs on the front of the unit are securely fitted. Step 8. Power the unit on at the isolator and ensure any supply circuits are reconnected. V. 4.1-04-08-21 brookvent.co.uk...
  • Page 44 PCB Module Replacement In the unlikely event of an electronic PCB failure, the Aircycle 4.1’s PCB module can be easily disconnected and replaced. PCB Module Step 1. Isolate the unit from the mains and ensure all supply circuits are disconnected.

  • Page 45: User Operation

     become loose over time and are kept sufficiently tight. User Operation The Brookvent aircycle 4.1 is an extremely compact and highly efficient Mechanical Heat Recovery Ventilation (HRV/MHRV) system, specifically designed for medium to large dwellings and apartments. The system should be run continuously 24 hours a day, and should only be disconnected by a competent person during service or maintenance.
  • Page 46 These sensors detect humidity in the air and trigger the system into boost mode when humidity reaches a certain level. These are typically placed in bathrooms or in kitchens. Please note that the aircycle 4.1 system has an In-built humidistat that operates in the same fashion.

  • Page 47: Trouble Shooting

    (Please note that the aircycle 4.1 system has an adjustable boost overrun time of up to 15mins).

  • Page 48: Customer Support

    10.0 Customer Support At Brookvent we pride ourselves on providing Gold Standard after sales and support to all customers. Please feel free to contact one of our specialist team about any query you may have and we will be more than happy to assist you.

This manual is also suitable for:

As 90-0401-wds-01As 90-0401-wds-01vAs 90-0401-fds-01As 90-0401-fds-01v

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