BrookVent 90-0103-WDS-01 Mounting instructions

V. 1.3-05-08-19
brookvent.co.uk
Heat Recovery Ventilation
Installation, maintenance & user manual
Applicable to the following aircycle 1.3 & 1.3+ models:
aircycle MVHR
Product Type
aircycle 1.3
Digital Control
aircycle 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 DIGITAL RANGE

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CONTENTS
PLEASE KEEP THESE INSTRUCTIONS WITH 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

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IMPORTANT
This appliance is not intended for use by persons (including children) with reduced
physical sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety.
1.0 Introduction
The Brookvent aircycle 1.3 is a compact and highly efficient Mechanical Heat Recovery
Ventilation (HRV/MHRV) system, specifically designed for smaller dwellings and
apartments 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 air from ‘wet rooms’ such as Bathrooms, WC’s and
Kitchens, recovering up to 92% of the heat from this air using a highly efficient heat
exchanger, before expelling waste air from 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.

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1.1 Model Variations
aircycle MVHR
Product Type
aircycle 1.3
Digital Control
aircycle 1.3+
Digital Control
c/w Humidistat, Bypass - Wall Mount
AS 90-0103-WLS-01
AS 90-0103P-WLS-01
c/w Humidistat, Bypass - Floor Mount
AS 90-0103-FLS-01
AS 90-0103P-FLS-01
c/w Humidistat, Bypass - Ceiling Mount
AS 90-0103-CLS-01
AS 90-0103P-CLS-01
Product codes shown refer to "Standard" duct configuration.
Add "V" to the end of each product code for an "inverted duct configuration.
1.2 Product Guarantee
This product is guaranteed against defects for a period of 5 years from date of purchase
with the first year covering parts and 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
this guarantee being declared void.
Brookvent does not accept liability for damage caused by non-observance of the
installation instructions. Service activities must be carried out by Brookvent or by
competent installers using original Brookvent parts. This guarantee does not affect your
statutory right as a consumer.
Brookvent operate a policy of continuous innovation and improvement and thus
reserve the right to alter product specifications and appearances without notice.

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2.0 Safety
The following information must be read carefully to ensure safe installation and
operation of the Brookvent HRV system.
2.1 General Safety
▪Do not use this appliance for functions other than those described in this booklet.
▪Never touch the appliance with wet hands.
▪The unit is only suitable for 230 VAC/50Hz electric mains.
▪Never modify the fan or electronics, all repairs must be conducted by Brookvent.
▪Never connect the power if electronics cover is not fitted.
▪Never connect the power if either of the fan covers are not fitted.
▪Do not store inflammable products in close proximity to the unit.
▪If cleaning/ dusting the 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 the above, as set out in the latest edition of the Domestic Ventilation
Compliance Guide and the SAP Appendix Q –Installation Guide and Checklist
specific to the UK market.
2.3 Responsibility of the Occupant
▪Replacement of the filters as per the recommended/ required interval.
▪Cleaning the valves in the rooms regularly to prevent blockage.
▪To ensure that the system is functioning properly on a regular basis
▪To use manual boost switches (where provided) to prevent build-up of pollutants
or mould growth.

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IMPORTANT
Dirty or clogged filters may cause inadequate ventilation in the home which may lead to
air quality 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

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3.0 Specifications/ Dimensions
3.01 WALL MOUNT
3.02 CEILING MOUNT

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3.03 FLOOR MOUNT
3.1 Duct Connections

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3.2 Detailed Specification
Weight: 11kg
Materials:
• Main enclosure: High density, impact resistant EPP (Expanded Polypropylene)
• PCB & control panel enclosure: ABS FR
• Filters: Polyester media (G3)
• Filter cover: Rubber
• Mounting Bracket: Zinc Plated Steel
• Fan Scrolls: ABS
Electrical & 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 maintenance.
Standards:
Fully complies with Building Regulations for UK & Ireland
SAP Appendix Q Listed | Energy Savings Trust Best Practice | CE

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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%

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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
010 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%

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4.0 Installation
It is important that the full installation of this system is carried out by competent persons,
including all electrical works and connections being completed by a qualified 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 filters to the system can also be accessed for replacement.

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4.1 Mounting
4.11 WALL MOUNT
The unit should be attached the to the wall as shown using the wall bracket provided,
please ensure 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. 3

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4.12 CEILING MOUNT
The unit should be attached to the Ceiling as shown (Fig.1) by first fixing the bracket to
the unit using the fixings 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 included.

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Also supplied are:
▪No. –Ceiling 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.

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4.13 FLOOR MOUNT
The unit should be attached to the Floor as shown (Fig.1) by first fixing the bracket to the
unit using the fixings 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 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
NB. Dry trap (Not
Incl.) must be fitted
with a minimum 10
degree fall.

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4.14 DISPLAY MOUNT
The MVHR controller displays are easily mounted to a 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.

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4.2 Ductwork and Connections
To comply with SAP Appendix Q, and to facilitate the air flow performance, all ducting
used should be rigid. If flexible ducting is required, it should be kept to an absolute
minimum of 300mm and kept taut as per the Domestic Compliance Guide (Part F: Eng
and Wales 2010).
The spigots on the Brookvent aircycle 1.3 systems are suitable for connection to 125mm
diameter round pipe.
The label on top of the unit clearly identifies which spigot should be connected to which
ducting route within the dwelling. This is also shown clearly within this manual.
For optimum efficiency and performance, it is recommended that 125mm diameter
round pipe is used (where possible) to connect to the spigots and continue throughout
the dwelling, this will assist in keeping pressure losses to a minimum. A minimum straight
vertical run of 300mm should also be used directly off each spigot (where possible).
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 diameter round pipe.
To facilitate air circulation within the dwelling there must be a minimum of 10mm
undercut on each of the doors (to the finished floor) within the dwelling (or grills placed
at low level on the doors).
Extract air valves should be placed in all wet rooms (kitchen, utility, en-suite, etc.) and
should be sited, where possible, close to the main source of humidity/ pollutant.
Fresh supply air valves should be placed in all habitable rooms (bedroom, living room,
dining room, etc.).
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.

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4.3 Connection of Condensate Drain
4.31 WALL MOUNT
HRV 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 1.3 is supplied complete with a centralised drainage connection on the
bottom of the unit.
Brookvent recommend the use of a 32mm “Waterless Dry Trap” on HRV 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.) must be fitted with a 5 Degree fall at that point.
Drainage piping/ connections should be insulated if located in cold roof spaces.
DO NOT connect other condensate pipes from the system or other systems BEFORE the
“Waterless Dry Trap”
Brookvent 32mm BSP Threaded
Waste Fitting.

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4.32 CEILING MOUNT
HRV 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 1.3 Ceiling mount drainage connection is 21.5mm.
Brookvent recommend the use of a 32mm “Waterless Dry Trap” on HRV 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.) must be fitted with a minimum 10 Degree fall at
that point with a minimum of 5 degree fall in the condensate pipe thereafter.
Drainage piping/ connections should be insulated if located in cold roof spaces.
DO NOT connect other condensate pipes from the system or other systems BEFORE the
“Waterless Dry Trap”