Table of Contents
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V E N T I L A T I O N
Installer contact details:
Company name:
Contact name:
Tel:
Email:
Notes :
Tel: +44 (0)3443 715523
Web: www.domusventilation.co.uk
V E N T I L A T I O N
Domus Ventilation
Cambria House
Caerphilly Business Park
Van Road
Caerphilly
CF83 3ED
Tel: +44 (0)3443 715523
Fax: +44 (0)3443 715524
Email: vent.info@domusventilation.co.uk
www.domusventilation.co.uk
E&OE
DO NOT SWITCH OFF THE UNIT – it is designed to run continuously. If the
unit is switched off, indoor pollutants and moisture levels may increase
It is important to follow the advice in this manual and correctly maintain the
Page 30
LAB1283R, Issue 2, Apr 2017
V E N T I L A T I O N
HRX2D
With Bluebrain controller
Mechanical Ventilation with Heat Recovery appliance
Installation and Operating Instructions
Model: HRX2D
These instructions must be given to the householder
which could endanger your health or damage your home.
system to ensure a healthy indoor environment.
Page 1
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Table of Contents
Summary of Contents for Domus HRX2D
- Page 1 Email: With Bluebrain controller Notes : Mechanical Ventilation with Heat Recovery appliance Installation and Operating Instructions Model: HRX2D These instructions must be given to the householder Tel: +44 (0)3443 715523 Web: www.domusventilation.co.uk E&OE V E N T I L A T I O N DO NOT SWITCH OFF THE UNIT –...
- Page 2 7. When installing the appliance, care should be taken not to damage any hidden utilities. 8. The installer is responsible for the installation and electrical connection of the HRX2D system on site. It is the responsibility of the installer to ensure that the equipment is safely and securely installed and left only when electrically and mechanically safe.
- Page 3 18. All ducting should be insulated with Domus Thermal duct insulation where it passes through unheated spaces and voids (e.g. loft spaces) to reduce the possibility of condensation forming and heat loss. Additionally, both ducts connecting the HRX2D to outside must be insulated to avoid condensation forming on the outside of the ducts.
- Page 4 Main features Page 8 or, at Domus’ discretion, provide you with a refund of the purchase price which you paid for the product. 1.3.1 Thermal bypass...
- Page 5 • By removing the exhaust and supply duct connections check there is nothing obstructing the fans If the fault/faults cannot be resolved using the table in section 7.1, contact the Domus Ventilation Customers Services team on 03443 715523. LAB1283R, Issue 2, Apr 2017...
- Page 6 V E N T I L A T I O N Maintenance Overview 1.1.1 The Domus HRX2D appliance is a key part of a whole house ventilation system Routine maintenance specifically designed to improve indoor air quality in dwellings. The system is designed to provide measured amounts of filtered, fresh air to living areas while constantly removing 6.1.1 The two appliance G3 filters should be cleaned on a regular basis, the exact frequency will...
- Page 7 V E N T I L A T I O N V E N T I L A T I O N USER CONTROL INTERFACE (Bluebrain controller) DOMUS HRX2D MVHR UNIT LAB1283R, Issue 2, Apr 2017 Page 26 LAB1283R, Issue 2, Apr 2017...
- Page 8 Delay-on – off 1.3.1 Thermal bypass Delay-off – off 1.3.1.1 The HRX2D model is fitted with a fully automatic heat exchanger bypass mechanism. Time clock control and manual override are also available Hum - on 1.3.1.2 In automatic mode, the bypass will open when the indoor target temperature reaches a pre-set value.
- Page 9 2.2.1 When accepting delivery of the appliance, inspect for transit damage. If in doubt, call our Customer Services team on 03443 715523 Press “SET” to record 2.2.2 The HRX2D unit must be fitted horizontally in a portrait orientation to a vertical and solid flat surface using the fixing bracket provided 5.14 Filter reminder 2.2.3 Appropriate screw fixings to suit the support medium will need to be supplied by the...
- Page 10 V E N T I L A T I O N V E N T I L A T I O N 2.2.7 The unit can be installed onto a solid base without the need to mechanically fix it down. A platform may need to be built up below the unit to ensure space for fitting a condensate 5.12 Setting the humidity activated boost switching level (%RH) (for activation see 5.5)
- Page 11 Gently push the waterless trap onto the elbow stem. Important: check that the arrows printed on the trap point away from the HRX2D appliance (in the direction of flow) and prior to fitting, ensure that the waterless trap operates correctly by running a trickle of water from a tap through the trap in the direction of the arrows 2.3.3 Using the remainder of the kit items complete the condensate drain-system to suit the...
- Page 12 2.4.9 The fresh supply air must be drawn in from the exterior of the property. If drawn through a wall, a Domus 905 airbrick should be fitted. If drawn in through a pitched roof a Domus 4411/4411T universal roof terminal should be fitted or a proprietary roof terminal designed for mechanical ventilation with a free area of at least 10,000mm²...
- Page 13 V E N T I L A T I O N V E N T I L A T I O N Electrical Automatic humidity controlled boost activation/inactivation (for adjustment see 5.12) Overview From the home screen, press and hold “SET” and “COPY” simultaneously for 3 seconds 3.1.1 WARNING: This appliance must be earthed.
- Page 14 V E N T I L A T I O N V E N T I L A T I O N Wiring centre pcb layout and connections Repeat the steps above for: Fan 2 Boost (Supply/Intake fan) (Factory default speed is 50%) Fan 1 Low (Extract/Exhaust fan) (Factory default speed is 20%) Fan 2 Low (Supply/Intake fan) (Factory default speed is 20%) ‘Max’...
- Page 15 V E N T I L A T I O N V E N T I L A T I O N Commissioning Pre-commissioning Overview The following steps inhibit automatic functions that could affect the commissioning process and need to be carried out prior to commissioning: 4.1.1 IMPORTANT: Ensure that the protective covers have been removed from the filters Set the time and date –...
- Page 16 V E N T I L A T I O N V E N T I L A T I O N User control interface operation Filter check 1 2 3 4 5 6 7 reminder Time 12:00 Filter Humidity level Low Boost Max Speed Exhaust temperature Bypass Frost Frost protection active...
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