Nuaire Group MRXBOXAB-ECO4-OHSC Installation Manual

Nuaire Group MRXBOXAB-ECO4-OHSC 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.
This MRXBOX unit is fitted with surge protection. If RCD protection is used, a G or S type RCD is
recommended.
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-SC (Standard Hand Unit)
MRXBOXAB-ECO4-OHSC (Opposite Hand Unit)
MRXBOXAB-ECO4-SW (Standard Hand Unit)
MRXBOXAB-ECO4-OHSW (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.
26. 01. 23. Document Number 671857
1

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Summary of Contents for Nuaire Group MRXBOXAB-ECO4-OHSC

  • Page 1 MRXBOXAB-ECO4-SC (Standard Hand Unit) MRXBOXAB-ECO4-OHSC (Opposite Hand Unit) MRXBOXAB-ECO4-SW (Standard Hand Unit) MRXBOXAB-ECO4-OHSW (Opposite Hand Unit) Mechanical Ventilation Units with Heat Recovery for Wall Mounting Installation Manual 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.
  • Page 2: Mechanical Installation

    Installation Manual MRXBOXAB-ECO4-(SC/SW) Nuaire would always recommend a site specific risk assessment by a Care must be taken to ensure the unit is installed true in all 3 competent person to determine if any additional PPE is required. dimensions. Failure to do so may result in overflow from the internal condensation drip tray.
  • Page 3: Condensate Drain

    Installation Manual MRXBOXAB-ECO4-(SC/SW) MVHR-DRAIN Installation Non-Solid Wall Mounted Unit Installation Collar Ducting in the Valve in ceiling. ceiling void. Condensate drain, Side view of unit uninsulated drain pipe with mounted in a min 5° fall running to SVP. cupboard fixed to a stud partition "T"...
  • Page 4 Installation Manual MRXBOXAB-ECO4-(SC/SW) of 300mm between the appliance and any bends in ductwork is 3.7.2 ADF 2010 Ventilation Calculations Design of MVHR recommended. Ideally 150mm diameter or 220 x 90mm rectangular Systems ducting should be used (refer to dwelling design drawing, Figures 12 & 1.
  • Page 5 Installation Manual MRXBOXAB-ECO4-(SC/SW) 3.9 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 200mm External Diameter Ecosmart connection 180mm Internal Diameter 4 x Spigots 200mm External Diameter 180mm Internal Diameter 200mm External Diameter...
  • Page 6 Installation Manual MRXBOXAB-ECO4-(SC/SW) 3.10 Ducting Arrangements - Standard Unit Configuration 3.10.1 Circular Ducting Typical Circular Ducting Arrangement For Wall Mounted Units Exhaust air from *Insulated kitchen/bathroom to extract duct. outside via louvre grille. Minimum distance as specified Top of ceiling void. in building regulations.
  • Page 7: Electrical Installation

    Installation Manual MRXBOXAB-ECO4-(SC/SW) 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-(SC/SW) 5.0 COMMISSIONING 6.0 CONTROLS 6.1 Humidity Adjustment The filters fitted inside the unit are protected with a plastic film. Prior to commissioning remove the covers (Figure 201), take off the This product contains an internal humidity sensor fitted into the air- film and replace.
  • Page 9: Maintenance

    Installation Manual MRXBOXAB-ECO4-(SC/SW) 7.0 MAINTENANCE 9.0 END-OF-LIFE AND RECYCLING It is important that maintenance checks are recorded and that the Where possible Nuaire use components which can be largely recycled schedule is always adhered to, in all cases, the previous report should when the product reaches its end-of-life: be referred to.
  • Page 10 Installation Manual MRXBOXAB-ECO4-(SC/SW) NOTES Nuaire | | nuaire.co.uk 26. 01. 23. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 11 Installation Manual MRXBOXAB-ECO4-(SC/SW) NOTES Nuaire | | nuaire.co.uk 26. 01. 23. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...
  • Page 12 Installation Manual MRXBOXAB-ECO4-(SC/SW) NOTES Nuaire | | nuaire.co.uk 26. 01. 23. Document Number 671857 Western Industrial Estate Caerphilly CF83 1NA...

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