NuAire MRXBOXAB-ECO2-1ZSW Installation Manual

NuAire MRXBOXAB-ECO2-1ZSW 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 electrical supply
must be carried out by a qualified electrician in accordance with latest edition of the wiring
regulations.
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. The replacement cord must be of the same
technical specification as the original cord or greater.
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-ECO2-1ZSW (Standard Hand Unit)
MRXBOXAB-ECO2-1ZOHSW (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.
05. 02. 21. Document Number 671860
EMC Directive
2014/30/EU
LVD Directive
2014/35/EU
1

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Summary of Contents for NuAire MRXBOXAB-ECO2-1ZSW

  • 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: Wall Mounting

    MRXBOXAB-ECO2-1ZSW Installation Manual 2.0 INTRODUCTION Please allow a minimum of 350mm in front of the enclosure. The fan must be installed indoors, on a suitable wall away from direct The ECO2-1Z wall mounted range of units are designed to offer sources of frost, heat and water spray or moisture generation.
  • Page 3: Condensate Drain

    4. If the condensation pipe is fitted in an unheated space the pipe should be in insulated to prevent freezing. MVHR-DRAIN Condensate drain, Nuaire recommend MVHR-DRAIN be used as the primary uninsulated drain condensate take-off (Figures 9 and 10). pipe with min 5 fall running to SVP.
  • Page 4 MRXBOXAB-ECO2-1ZSW Installation Manual When using a “T” Piece to connect the CONTRAP drainage and 3.6 Ventilation Flow Rates the MVHR drain pipework the MVHR drain must always be fitted 3.6.1 ADF 2010 - Extract Ventilation Rates before the “T” Piece.
  • Page 5: Dimensions (Mm)

    MRXBOXAB-ECO2-1ZSW Installation Manual 3.8 Pre Commissioning MRXBOX MVHR Units MRXBOX units are designed to ventilate the whole dwelling and must not be used during site construction or the clean-up period. Cement and plaster dust can be abrasive and can affect fan performance and reliability.
  • Page 6 5 fall running to SVP. 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 05.
  • Page 7: Electrical Installation

    Volt free Summer / Winter Switch (supplied with unit) Polarity is inconsequential Warning! - Do not connect to mains! Optional Controls - For further information regarding optional controls, contact Nuaire on 02920 858 400. Nuaire | | nuaire.co.uk 05. 02. 21. Document Number 671860...
  • Page 8: Maintenance

    This product contains an internal humidity sensor fitted into the air- flow extracting from the wet rooms. When the unit senses that the Nuaire recommend that filters are inspected every 6 months and humidity exceeds the set point the unit will boost to that set by the replaced every 12 months.
  • Page 9: Warranty

    Please call After Sales Support for further information on items not listed above. 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.
  • Page 10 MRXBOXAB-ECO2-1ZSW Installation Manual NOTES Nuaire | | nuaire.co.uk 05. 02. 21. Document Number 671860 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 11 MRXBOXAB-ECO2-1ZSW Installation Manual NOTES Nuaire | | nuaire.co.uk 05. 02. 21. Document Number 671860 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 12 MRXBOXAB-ECO2-1ZSW Installation Manual NOTES Nuaire | | nuaire.co.uk 05. 02. 21. Document Number 671860 Western Industrial Estate Caerphilly CF83 1NA...

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