WR-3001W Wireless Input/Output Unit (WHO) Installation Caution: Excessive Force Improper installation or excessive force will damage the motherboard…
1.1 Hazard Symbols
1.2 Important Information
This manual contains important information on the safe and appropriate assembly, transport, commissioning, operation, maintenance, disassembly and simple troubleshooting of the product.
While the product has been manufactured according to the accepted rules of current technology, there is still a danger of personal injury or damage to equipment if the following general safety instructions and the warnings contained in these instructions are not complied with.
1.3 Personal Protective Equipment
The following minimum Personal Protective Equipment (PPE) is recommended when interacting with Nuaire product:
Nuaire would always recommend a site specific risk assessment by a competent person to determine if any additional PPE is required.
The Nuaire Drimaster / Flatmaster range has been curing severe condensation problems for over 20 years in some of the worst affected properties throughout the world. Its successful operation depends entirely upon the unit being installed strictly in accordance with these instructions. We would, therefore, respectfully suggest that you read through this guide in its entirety before commencing installation and then go through this guide step by step to ensure a satisfactory completion.
Units are supplied assembled and include a thermostatically controlled heater. A unit mounted override switch is provided. A ‘BOOST’ speed facility for additional ventilation is included, this is operated by a remote switch (supplied).
The FLAT2000 L/R is a ‘handed’ product, with the L/R signifying the discharge direction, as viewed from the front. The FLAT2000L unit is supplied arranged for LEFT HAND discharge of air. The FLAT2000R unit is supplied arranged for RIGHT HAND discharge of air.
Whilst the installation of the unit may be achieved by a suitable craftsman, the provision of the electrical supply and the connection of the unit to the mains must be carried out by a qualified electrician.
Installation must be completed by competent persons, in accordance with good industry practice and should conform to all governing and statutory bodies i.e. IEE, CIBSE, etc.
Where the systems are installed in flats, ensure all regulatory provisions are adhered to. Where the systems are installed in flats where these regulatory provisions do not apply, good installation practice should be observed.
For more information please refer to the Building Regulations, Approved Document B (Fire safety) – Volume 1: Dwelling houses (2006 Edition).
The unit is designed to take fresh air from outside, clean the air, and discharge it into the central hallway via a system of ducting supplied by the installer.
This unit MUST be mounted in the orientation shown in Figure 8 and 9.
The unit is NOT suitable for mounting upside down or on the ceiling.
The dwelling supply grille is usually installed at high level in a central location within the hallway, although discharging the air down the length of the hallway (away from the front door) should also prove acceptable. Unit performance may be enhanced if an existing heat source can warm the discharged air e.g. by locating the discharge grille above a radiator.
Before commencing installation decide the best position for the unit and where the fresh air is to come from and be discharged to. The unit can be installed in many different configurations and is supplied with enough interchangeable spigots to enable it to be used with either circular (100mm) or rectangular ducting (121mm x 60mm).
The heater outlet MUST NOT be left exposed. A minimum distance of 500mm is required between the discharge grille and the heater.
3.1 Setting Up The Correct Airflow Direction
3.1.1 Fitting The Deflector Plate
Ensure the deflector plate is fitted correctly into scroll cover as appropriate for the handing of the unit (Figures 2 & 3). Once fitted the assembly can be slotted into the scroll and clipped firmly in place (Figure 4).
3.2 Spigot Inserts
The unit is designed to be used with rigid ducting only. Ensure that when the ducting is fitted it is secured in place using wall brackets and screws on the duct as close to the spigots as possible to prevent the spigot inserts (Figure 5) or rigid ducting from being removed or accidentally knocked off. If it is necessary to fit flexible ducting then the spigot inserts should be glued in place, using super glue Loctite 454 Gel, at the clip points 1, 2, 3 & 4 for all spigot inserts (Figure 6).
3.3 Fixing The Unit To The Wall
The unit has three mounting feet located on the back plate. Two are accessible by removing the front cover (fixed by two screws), with the third also requiring removal of the deflector plate assembly. Position the unit on the wall where it is to be mounted and mark through the feet. Drill and plug the wall with suitable fixings.
Remove the PCB cover and feed the electrical supply cable through the grommet hole in the rear of the unit (standard 1mm three core lighting cable is recommended).
Screw the unit to the wall and refit the PCB cover, deflector plate assembly (Section 3.1.1) and front cover.
Installers must ensure the grommet provided or other suitable insulated grommet/bushing is used for cable entry.
3.3.1 Points to Consider
3.4 Fitting Of Ducts
To prevent access to live or moving parts ensure ducts are adequately secured to the spigots by fitting self tapping screws or by other means requiring a tool. If using duct tape ensure tape cannot be removed without the use of a tool by securing with tie wraps.
3.4.1 Necessary Ducting
A full range of ductwork and ductwork ancillaries are available. Please contact Nuaire for further details.
3.5 Inlet / Outlet Grille Installation
If a fly screen is fitted it should be removed from both the internal and external grille.
When installing the internal grille, the louvres must slant upwards to ensure the correct air circulation and the avoidance of unpleasant down draughts. The outside wall input grille louvres must slant downwards.
Standard 100mm diameter ducting or 121 x 60mm ducting is used to connect the Flatmaster to the input and discharge grilles.
Any air intake terminal MUST be installed in accordance with the appropriate regulation.
As a guide, the BS5440 series of British Standards deals with this issue and currently states that an air intake must be at a minimum distance of 300mm from a gas boiler balanced flue. Installers are advised to be aware of the requirements of this standard when installing ‘through the wall’ supply air ducting. Similarly, supply and extract air grilles should be at least 300mm apart.
The internal grille must not be placed within 1.5m of a smoke alarm.
Dimensions for the space required can be determined from the dimensions shown in Figure 10 below.
Allow an additional 32mm for the length of each end spigot and any additional room for installation and maintenance e.g. access to screws on top and bottom of unit for front cover.
Ensure that the fan is isolated from the mains supply before removing cover.
For good EMC engineering practice, any sensor cables or switched live cables should not be placed within 50mm of other cables or on the same metal cable tray as other cables.
5.1 Electrical Information
Supply – 230V 1 phase 50Hz
*At free air (0 Pa).
It is necessary to allow all pole disconnection of the appliance from the supply by incorporating a switch in the fixed wiring in accordance with current IEE wiring regulations.
5.2 Electrical Connection
The electrical connections to the unit should be carried out by a qualified electrician. With the PCB cover removed (Figure 11) pull the PCB forward to gain access to earth post behind. Connect Earth cable to Earth post next to the grommet hole.
Slide PCB into slot and connect the mains supply L and N to the terminal block. Ensure the supply cable does not come into contact with the PCB transformer by tie wrapping to the slots in the PCB enclosure. Ensure that a 1 amp fused spur is fitted on the supply.
5.3 Wiring Diagrams
5.4 Remote ‘BOOST’ Switch Wiring
A remote ‘BOOST’ switch is supplied and provides a ‘BOOST’ speed facility for additional ventilation on demand.
5.5 Smoke Alarm Automatic Shut Down
If the unit is required to switch off in the event of smoke detection, alarms are available with separate relay bases from companies such as:
Dicon Safety products – www.diconsafety.co.uk Aico Ltd – www.aico.co.uk
6.1 Setting Unit Speed
The unit has a choice of three speeds to suit the size of the dwelling and the moisture being generated and is factory set at speed 3 – High speed. We recommend that the unit is operated at this speed and the setting reduced if and when necessary in the future.
The speed selector is located on the PCB (Figure 14). Adjustments can be made via the access holes without removing the PCB cover. Use a small screwdriver to move the slide switches.
The flow rates given are independently tested and based on a typical installation including: inlet grille, 500mm circular ducting (100mm diameter), FLAT2000, 400mm rectangular ducting (120 x 60 mm), transition piece and supply grille.
The FLAT2000L & FLAT2000R are handed products, the rotation switch should not be adjusted from its factory setting.
6.2 Enabling the Heater
An integral heater is provided with this unit and can be enabled or disabled by use of the red neon switch located on the side of the unit.
When the switch is illuminated, the heater is enabled and if the outside air temperature falls below the thermostat set point, the heater will activate. If the outside air temperature is above the thermostat set point, the heater will not activate.
If the switch is not illuminated, the heater is disabled and heating will not activate regardless of the thermostat set point or the outside air temperature.
6.3 Thermostat Set Point
The occupier will normally require the heater to activate when the outside air temperature falls below a predetermined point. This predetermined point is factory set to 10°C, Nuaire recommend that the thermostat be set at 10°C.
It is important that maintenance checks are recorded and that the schedule is always adhered to, in all cases, the previous report should be referred to.
The maintenance requirements for this product can be found in the “Product Safety – Essential Operational Checks” section, which is located in this document and includes the replacement of the filter (Our part number FLAT-FILTERKIT) every 12 months; this interval may need to be shortened, if the unit is operating under adverse environmental conditions. Failure to do so may impair the performance and energy efficiency of this unit.
The 5 year warranty starts from the day of delivery and includes parts and labour for the first year. The remaining period covers replacement parts only.
This warranty is void if the equipment is modified without authorisation, is incorrectly applied, misused, disassembled, or not installed, commissioned and maintained in accordance with the details contained in this manual and general good practice.
The product warranty applies to the UK mainland and in accordance with Clause 14 of our Conditions of Sale. Customers purchasing from outside of the UK should contact Nuaire International Sales office for further details.
Failure to maintain the unit as recommended will invalidate the warranty.
Ensure that Nuaire product is made safe from any electrical / water / refrigerant supplies before dismantling commences. This work should only be undertaken by a qualified person in accordance with local authority regulations and guidelines, taking into account all site based risks.
Where possible Nuaire use components which can be largely recycled when the product reaches its end-of-life:
For technical assistance or further product information, including spare parts and replacement components, please contact the After Sales Department.
If ordering spares please quote the serial number of the unit together with the part number, if the part number is not known please give a full description of the part required. The serial number will be found on the identification plate attached to the unit casing.
Telephone 02920 858 400
Product Safety – Essential Operational Checks
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
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