BrookVent 90-0103-FDS-01, Installation, Maintenance & User Manual

Page 1: ...1 3 Digital Control c w Humidistat Bypass Wall Mount AS 90 0103 WDS 01 AS 90 0103P WDS 01 c w Humidistat Bypass Floor Mount AS 90 0103 FDS 01 AS 90 0103P FDS 01 c w Humidistat Bypass Ceiling Mount AS 90 0103 CDS 01 AS 90 0103P CDS 01 Product codes shown refer to Standard duct configuration Add V to the end of each product code for an inverted duct configuration Digital Controller AM 90 02 301 1 3 ...

Page 2: ...THE PRODUCT Please read this manual fully prior to installing the MVHR unit 1 0 Introduction 2 2 0 Safety 4 3 0 Specifications Dimensions mm 6 4 0 Installation 11 5 0 Electrical Connections Wiring 21 6 0 Controls and Settings 22 6 8 Digital Controller 27 7 0 Maintenance 40 8 0 User Operation 48 9 0 Trouble Shooting 50 ...

Page 3: ...ents with restricted space The system should be run continuously 24 hours a day and should only be disconnected by a competent person during service or maintenance Heat Recovery ventilation works best in new homes which are extremely airtight and have high efficiency ratings These dwellings require a high level of fresh air to ensure a healthy living environment The system works by drawing stale a...

Page 4: ...d labour and the remaining 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 If this product has been misused not properly maintained or handled carelessly it may lead to ...

Page 5: ...he external surface do so with a dry cloth only 2 2 Responsibility of the Installer Correct Installation balancing and commissioning of the MHRV unit Record measured air flow volumes on each of the valves at High and Low rate Compliance to requirements and local additional rules Explanation of the ventilation system to the user Warning for the user to check or replace the air filters on time All t...

Page 6: ...y issues It is important that the filters are changed at least once per year or as required 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 ...

Page 7: ...6 V 1 3 05 08 19 brookvent co uk www brookvent co uk T 44 0 28 9061 6505 3 0 Specifications Dimensions 3 01 WALL MOUNT 3 02 CEILING MOUNT ...

Page 8: ...7 V 1 3 05 08 19 brookvent co uk www brookvent co uk T 44 0 28 9061 6505 3 03 FLOOR MOUNT 3 1 Duct Connections ...

Page 9: ...cal Controls 230v EC Low energy backward curved centrifugal fans Supplied complete with 4 core flying lead Live Brown Neutral Black Earth Yellow Green 230v Switched Live Boost Grey Supplied complete with Cat 6 flying lead for connection to the display panel Blue 12v blue white 12V brown 0V Brown White 0V Orange B Z Orange White A Y Green Z B Green White Y A Plug and play fan components for easy ma...

Page 10: ...505 3 3 SAP Appendix Q Results 3 4 Airflow Pressure Performance Curve aircycle 1 3 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 450 0 500 0 550 0 600 0 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 Pressure Pa Airflow l s Aircycle 1 3 100 90 70 50 30 100 90 70 50 30 ...

Page 11: ...kvent co uk T 44 0 28 9061 6505 3 5 Airflow Pressure Performance Curve aircycle 1 3 0 0 50 0 100 0 150 0 200 0 250 0 300 0 350 0 400 0 450 0 500 0 0 10 20 30 40 50 60 70 80 90 Pressure Pa Airflow l s Aircycle 1 3 100 90 70 50 30 100 90 70 50 30 ...

Page 12: ...alified electrician The MVHR unit is designed to be installed indoors within an attic storage cupboard or void space away from exposure to frost water or intense heat The system should be installed in a ventilated space A clear access space is required around the unit this will ensure ease of installation relating to ductwork wiring and the connection of the condensate drain It is important that f...

Page 13: ... the mounting surface can safely bear the load of the unit using suitable screw fixings One bracket will be secured to the back of the unit as shown in Fig 1 the second bracket should be secured to the mounting surface as shown in Fig 2 Please ensure the brackets are level The unit can then be set onto the mounting surface with the lip of each bracket intersecting as shown in Fig 3 Fig 1 Fig 2 Fig...

Page 14: ...ixings provided The brackets can only be fitted to the unit in one way the fixing holes are colour coded to help with fixing orientation When the brackets have been fitted ensure that they are in the correct position as shown in Fig 1 Before mounting to the ceiling Fig 1 Fig 2 Fig 3 Brookvent supply drainage to this point Dry Trap Not Incl must be fitted with a minimum 10 degree fall Trap not incl...

Page 15: ...iling Mounting Bracket Quantity 2 No 5 M8 Anti Vibration Washer Quantity 8 No 3 M8 x 30 Celling Anchor Quantity 4 No 6 M8 x 16 Socket Cap Bolt Quantity 8 No 4 M8 x 24 Washer Quantity 4 Please ensure that this method of fixing is suitable for the mounting surface and that it can safely bear the load ...

Page 16: ...way the fixing holes are colour coded to help with fixing orientation When the brackets have been fitted ensure that they are in the correct position as shown in Fig 1 Before mounting to the floor The unit should be attached to the Floor as shown mounted on a raised plinth Fig 1 Please ensure that this method of fixing is suitable for the mounting surface and that it can safely bear the load Fig 1...

Page 17: ...wall through pre cut sections in the base of the housing A single gang knockout also on the base of the plastic enclosure is perfect for cables to enter that are run through walls The Display is connected to the MVHR via a CAT 6 or CAT 5e cable that is plugged into the display through an RJ45 connector Note the plug may need to be crimped on site ...

Page 18: ...ible Where it is not possible to continue throughout the dwelling in rigid 125mm diameter round pipe due to the void spaces available a conversion to rigid 204mm x 60mm flat rectangular ducting is recommended It is recommended that the number of bends in the ducting system is kept to a minimum Each of the external roof terminals wall terminals must be the equivalent to the open area of 125mm diame...

Page 19: ... systems as shown above to prevent the back flow of air into the HRV unit from the waste discharge system It is imperative that there is a gravitational fall from the unit to the discharge point ensuring that the water drains from the unit A minimum fall of 5 Degrees should be ensured throughout Drainage piping connections should be insulated if located in cold roof spaces NB Dry trap Not Incl mus...

Page 20: ...ir into the HRV unit from the waste discharge system It is imperative that there is a gravitational fall from the unit to the discharge point ensuring that the water drains from the unit A minimum fall of 5 Degrees should be ensured throughout Drainage piping connections should be insulated if located in cold roof spaces NB Dry trap Not Incl must be fitted with a minimum 10 Degree fall at that poi...

Page 21: ... into the HRV unit from the waste discharge system It is imperative that there is a gravitational fall from the unit to the discharge point ensuring that the water drains from the unit A minimum fall of 5 Degrees should be ensured throughout Drainage piping connections should be insulated if located in cold roof spaces NB Dry trap Not Incl must be fitted with a minimum 10 Degree fall at that point...

Page 22: ... circuit breaker must be used in the power supply circuit It should be in close proximity to the HRV unit and should be clearly marked as the disconnecting device for the HRV Unit Connecting to mains The aircycle 1 3 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 whi...

Page 23: ...22 V 1 3 05 08 19 brookvent co uk www brookvent co uk T 44 0 28 9061 6505 5 1 Wiring Schematic Connection to display through RJ45 socket ...

Page 24: ...ese separate speed options allow one speed to be set for normal day to day operation I e Trickle and an increased speed to be set I e Boost that operates when the Grey switch wire is triggered by a 230v boost signal such as a Wall Switch or Passive Infrared Sensor manually changing the mode on the display or automatically from internal sensors If the Boost for either fan is required to be set it s...

Page 25: ...total supply trickle rate DO NOT ADJUST THE VALVES 8 Turn the Boost Switch on or trigger the boost by other means provided e g bathroom light switch relay if applicable Boost mode on the home screen 9 Increase the Supply Boost percentage up until the total airflow balances the total extract boost rate DO NOT ADJUST THE VALVES 10 Ensure that the whole system is commissioned correctly following the ...

Page 26: ... the boost switch on Turn the Extract boost percentage up until the extract boost rates are achieved kitchen 13l s bathroom 8l s En suite 8 l s Lock the valves in place Turn the boost switch off Turn the supply trickle percentages up to achieve the rates for the supply rooms living 11l s Dining 5l s Bedroom 8l s Lock the valves in place Increase the Extract trickle level until the whole dwelling r...

Page 27: ... See section 5 0 Electrical Connections Wiring When the boost signal is applied by a switch or sensor the boost function will be triggered When the signal stops the boost will over run for the time set as the boost overrun engineering settings This function can be used to ensure the system has adequately cleared the pollutants that were present This is also true for the internal humidistat feature...

Page 28: ...angle symbol in the top left hand corner of the screen The display will indicate an issue with either fan Do not attempt to further diagnose the issue all investigative and repair works should be completed by a competent person using original Brookvent parts 6 8 Digital Controller manual 0 Home Screen 1 Shows the fan speed that the unit is currently running at This can be changed by pressing the r...

Page 29: ...been triggered manually by switching to this mode on the display 4 Crescent moon symbol indicates the unit is in night mode Night mode has been triggered manually by switching to this mode on the display or automatically by the time setting 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 hav...

Page 30: ...on denoted as Select If the fan Boost symbol appears with the letter H This indicates that the system is boosting due to the internal humidistat being activated If the fan Boost or purge fan symbol appears with the letter T This indicates that the system is running at an increased rate due to the internal temperature of the dwelling being too high System will remain in this mode until the temperat...

Page 31: ...is particularly important if the night time mode is activated see point 4b Use the up and down arrows to set the hour 24 hour clock and press next to move to the minutes Repeat these steps to set the date at the end the Next will change to Set Press this to save the changes and return to the previous screen Note There is no battery back up for the display Therefore in the event of a power cut the ...

Page 32: ... 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 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 maintai...

Page 33: ...ng that is set in engineering settings In the Screen above the night mode is enabled therefore the option given is to Disable Night Mode To disable the night mode use the arrows to highlight the option and press select This will disable the night mode and the option will change to Enable night mode To set the time that the system will enter night mode press the arrow keys until the Set Time option...

Page 34: ...arrow keys select the first number Press the middle Next Key to move to the next digit 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 Edit Settings allows you to commission and set up the operation of the s...

Page 35: ...e Press the up and down to set the percentage fan speed between 0 100 Pressing and holding the arrow button will change the speed by 5 The fan speed will change as you set it but there may be a slight delay of approximately 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 ...

Page 36: ...speed between 0 100 Pressing and holding the arrow button will change the speed by 5 The fan speed will change as you set it but there may be a slight delay of approximately 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 5b 4 Supply Boost Press the up and down to set the per...

Page 37: ...r from internal sensors or external signals has stopped As the system returns to the trickle rate after the boost signal ends this is not generally required but can be useful to prevent sensors sending the unit in and out of boost when the conditions are close to their switching point The default setting is 1 minute but this can be changed using the arrow key and the middle set button This sets th...

Page 38: ... 100 Pressing and holding the arrow button will change the speed by 5 The fan speed will change as you set it but there may be a slight delay of approximately 5 seconds To move the percentage points 1 at a time just press and release the arrow button Note The same fan percentage will be applied to both fans therefore there may be an imbalance in the ventilation rates in this mode This sets the poi...

Page 39: ...ms is likely to over heat 5b 12 Set Password The password to enter Engineering settings is printed in the manual but if you wish this can be changed to your own unique 4 digit code On entering the Set password screen you are reminded what the current password is 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 yo...

Page 40: ...lay enter engineering settings but DO NOT enter edit settings Go to Upload press the right hand key denoted Yes To Upload press the right hand key denoted Yes To go back to the previous screen press the left hand key denoted No Upload settings can be used to Pre commission units in similar property types or similar operational specifications i e if all units in the project have the same purge rate...

Page 41: ...ts and humidistats These connecting circuits may be used to trigger the auto boost the system It is important to follow all guidelines relating to the maintenance of this HRV system to ensure the unit continues to perform to the levels required 7 1 Filter Replacement The filters of this HRV unit will usually need to be changed every 6 12 months depending on occupancy use and the type of environmen...

Page 42: ...larly 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 clear it of any debris that may have collected Step 1 Isolate the unit from the mains and ensure all supply circuits are disconnected Never run the...

Page 43: ...ore into the unit and the foam panels Step 7 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 ...

Page 44: ... Step 4 Remove the brackets and the back panel Step 5 Remove the foam panels and then the heat exchanger from the unit by plastic strip running in front of the heat exchanger Step 6 Carefully remove any dust from the heat exchanger with a household vacuum cleaner Do not attempt to clean the heat exchanger with any fluids Step 7 Carefully re insert the heat exchanger and the foam panels into the un...

Page 45: ...n mount Step 5 Turn the fan mount anti clockwise to the line marked on the fan case and then pull straight out Step 6 Place the new fan assembly in the fan case lining it up with the line marked in the fan case Push inward until flush with the fan case and then turn clockwise to tighten Step 7 Refit the locking screw and connect the cables Step 8 Re fit the fan cover and secure with the screws Ste...

Page 46: ...ger Step 5 Unplug the old sensor and return it to Brookvent Plug the new sensor in place and screw it to the case care should be taken when handling the new sensor to avoid Electro static discharge damaging the sensor ensure you are earthed when handling Step 6 Carefully reinsert the heat exchange core into the unit and replace the sealing foam Step 7 Replace the front foam panel Step 8 Reinsert b...

Page 47: ...taken when handling the new sensor to avoid Electro static discharge damaging the sensor ensure you are earthed when handling Step 6 Carefully reinsert the heat exchange core into the unit and replace the sealing foam Step 7 Replace the front door panel via its 8 screws Step 8 Reinsert both filters change if necessary and replace the front door ensuring all four screws are securely fastened Also e...

Page 48: ...two screws on the PCB cover and loosen the cable glands Step 7 Remove the cover and unplug the fan cables and sensor cable Step 8 Unscrew the two PCB boards from their mounts and remove as a set with connecting cables in tact Step 8 Insert the new PCB set in place over the mounts and screw into place Ensure that none of the electronic components are touched while doing this unless properly earthed...

Page 49: ...ng up to 92 of the heat from this air using a highly efficient heat exchanger before expelling the waste air outside the home Simultaneously fresh air is drawn into the home filtered and warmed by the recovered heat and supplied into the habitable rooms such as bedrooms dining rooms and living rooms How your system is configured upon installation will influence how it can be operated at the user l...

Page 50: ...ost the system meaning that when the occupier enters the room and turns the on the light the system is triggered into boost mode This is typically used in sanitary accommodation and bathrooms note a double pole light switch is required when used to operate the boost function The items detailed above are examples of the types of Automatic Control Options that are typically used in conjunction with ...

Page 51: ... blown Check that all the spindles are in the full power position the fans take a few seconds to start up Fan Failure indicator is illuminated Selected models only See section 6 7 of this manual The system is constantly in Boost New houses can be quite damp with items drying out this can cause the inbuilt humidistat and external humidistats to activate The in built humidistat is disabled for the f...

Page 52: ...51 V 1 3 05 08 19 brookvent co uk www brookvent co uk T 44 0 28 9061 6505 Notes ...

Page 53: ...52 V 1 3 05 08 19 brookvent co uk www brookvent co uk T 44 0 28 9061 6505 Notes ...

Page 54: ... query you may have and we will be more than happy to assist you Brookvent Brook House Dunmurry Industrial Estate Dunmurry Belfast Northern Ireland BT17 9HU T 44 0 28 9061 6505 It is important to retain this manual and make a copy available to any person using or working with maintaining the system Brookvent operate a policy of continuous innovation and improvement and thus reserve the right to al...