NuAire MRXBOXAB-ECO4 Installation Manual
NuAire MRXBOXAB-ECO4 Installation Manual

NuAire MRXBOXAB-ECO4 Installation Manual

Mechanical ventilation units with heat recovery for wall mounting
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1.0 SAFETY INFORMATION
The provision of the electrical supply and the connection of the unit to the mains must be
carried out by a qualified electrician.
Isolate from power supply before removing any covers. During installation / maintenance ensure
all covers are fitted before switching on the mains supply.
All-pole disconnection from the mains as shown in the wiring diagram must be incorporated
within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with
latest edition of the wiring regulations.
This unit must be earthed.
Ducting must be securely fixed with screws to the spigot to prevent access to live parts. Duct
runs terminating close to the fan must be adequately protected by suitable guards.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
Precautions must be taken to avoid the back-flow of gases into the room from the open flue of
gas or other fuel-burning appliances.
This appliance should not be used by children or persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge, unless they have been given supervision
or instruction concerning the safe use of the appliance by a person responsible for their safety.
Children shall not play with the appliance. Cleaning and user maintenance shall not be carried
out by children.
1.1 Hazard Symbols
REFER TO INSTRUCTION MANUAL
Read and understand the installation and maintenance manual before installing,
operating or maintaining this product.
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.
•Read these instructions completely and thoroughly before
working with the product.
•Keep these instructions in a location where they are accessible
to all users at all times.
•Always include the operating instructions when you pass the
product on to third parties.
Nuaire |
Western Industrial Estate
MRXBOXAB-ECO4 (Standard Hand Unit)
MRXBOXAB-ECO4-OH (Opposite Hand Unit)
Mechanical Ventilation Units with Heat Recovery for Wall Mounting
Installation Manual
|
|
| nuaire.co.uk
Caerphilly
CF83 1NA
1.3 Personal Protective Equipment
The following minimum Personal Protective Equipment (PPE) is
recommended when interacting with Nuaire product:
•Protective Steel Toed Shoes - when handling heavy objects.
•Full Finger Gloves (Marigold PU800 or equivalent) - when
handling sheet metal components.
•Semi Fingerless Gloves (Marigold PU3000 3DO or equivalent)
- when conducting light work on the unit requiring tactile
dexterity.
•Safety Glasses - when conducting any cleaning/cutting operation
or exchanging filters.
•Reusable Half Mask Respirators - when replacing filters which
have been in contact with normal room or environmental air.
Nuaire would always recommend a site specific risk assessment by a
competent person to determine if any additional PPE is required.
15. 03. 21. Document Number 671857
1

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  • Page 1 •Always include the operating instructions when you pass the have been in contact with normal room or environmental air. product on to third parties. Nuaire would always recommend a site specific risk assessment by a competent person to determine if any additional PPE is required. Nuaire | | nuaire.co.uk...
  • Page 2: Mechanical Installation

    Installation Manual MRXBOXAB-ECO4 2.0 INTRODUCTION Care must be taken to ensure the unit is installed true in all 3 dimensions. Failure to do so may result in overflow from the The ECO4 wall mounted units are designed to provide mechanical internal condensation drip tray.
  • Page 3: Condensate Drain

    Installation Manual MRXBOXAB-ECO4 Non-Solid Wall Mounted Unit Installation "T" Piece CONTRAP & MVHR Drain Connection MVHR Drain To CONTRAP Ducting in the Valve in ceiling. To unit ceiling void. To SVP Side view of unit mounted in a cupboard fixed to a stud partition “T”...
  • Page 4 Installation Manual MRXBOXAB-ECO4 3.6 Ventilation Flow Rates 3.6.3 ADF 2010 Ventilation Calculations Design of MVHR Systems Any air intake terminal must be installed in accordance with the appropriate regulation. As a guide, the BS5440 series of British The MVHR system has been sized for the winter period. Additional...
  • Page 5 Installation Manual MRXBOXAB-ECO4 3.8 Dimensions View from top Unit Dimensions View from top Ecosmart connection View from top 4 x Spigots Ecosmart connection 180mm Internal Diameter 4 x Spigots Ecosmart connection 200mm External Diameter 180mm Internal Diameter 4 x Spigots...
  • Page 6 Nuaire wall mounted unit. MVHR-DRAIN Condensate drain, uninsulated drain pipe with min 5 fall running to SVP. ALSO FROM NUAIRE - range of thermal ducting, an all-in-one insulated ducting system (see installation document 671780) Nuaire | | nuaire.co.uk 15. 03. 21. Document Number 671857...
  • Page 7: Electrical Installation

    Installation Manual MRXBOXAB-ECO4 4.0 ELECTRICAL INSTALLATION PCB Details 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. The electrical connection of the unit must be carried out by a qualified electrician.
  • Page 8 Installation Manual MRXBOXAB-ECO4 4.3 MRXBOX95-3SWITCH Installation Unit Control On Front Panel To fix the switch to a wall or back box remove the front fascia by inserting a terminal screwdriver into the two openings along the bottom edge and prize open gently. The fixing points on the back plate can then be accessed;...
  • Page 9: Frost Protection

    Support for further information on items not listed above. (Section 6.2) will indicate that a filter change is required. This indication Ensure that Nuaire product is made safe from any electrical / water repeats every 12 months and will turn off automatically after 5 Days.
  • Page 10 Installation Manual MRXBOXAB-ECO4 NOTES Nuaire | | nuaire.co.uk 15. 03. 21. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 11 Installation Manual MRXBOXAB-ECO4 NOTES Nuaire | | nuaire.co.uk 15. 03. 21. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 12 Installation Manual MRXBOXAB-ECO4 NOTES Nuaire | | nuaire.co.uk 15. 03. 21. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...

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