NuAire MRXBOXAB-ECO-LP2 Installation Manual

NuAire MRXBOXAB-ECO-LP2 Installation Manual

Mechanical ventilation unit with heat recovery for ceiling void 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-ECO-LP2 (Standard Unit)
MRXBOXAB-ECO-LP2-OH (Opposite Hand Unit)
Mechanical Ventilation Unit with Heat Recovery for Ceiling Void 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.
07. 01. 21. Document Number 671875
EMC Directive
2014/30/EU
LVD Directive
2014/35/EU
1

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Summary of Contents for NuAire MRXBOXAB-ECO-LP2

  • 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

    Please note a clear working space is required around the installed unit should be in insulated to prevent freezing. to allow the cover to be removed and provide sufficient access for Nuaire recommend MVHR-DRAIN be used as the primary condensate maintenance such as filter change. take-off (Figure 5 and 6).
  • Page 3 A maximum of 300mm should be used on each leg. To prevent condensation on the outside of the outside air inlet duct and the air outlet duct from the MRXBOXAB-ECO-LP2, these ducts should MVHR-DRAIN Installation be insulated.
  • Page 4 MRXBOXAB-ECO-LP2 Installation Manual 3.5 ADF 2010 Ventilation Calculations Design of MVHR Step 3: The required airflow rates are as follows: Systems The maximum whole dwelling extract ventilation rate (e.g. boost) should be at least the greater of step 1 and step 2.
  • Page 5 Extract air from kitchen via Air Valve in ceilings. Intake air from outside via air brick. Extract air from bathroom via Nuaire ceiling void Air Valve mounted unit. MVHR-DRAIN Supply and extract in ceilings. condensate drain, ducts from external running to SVP.
  • Page 6: Electrical Installation

    Regulations. Extract air from kitchen via Air Valve in ceilings. Intake air from Extract air from outside via air brick. Nuaire ceiling void bathroom via Air Valve MVHR-DRAIN mounted unit. in ceilings. condensate drain, Supply and extract running to SVP.
  • Page 7: Frost Protection

    MRXBOXAB-ECO-LP2 Installation Manual 4.3.2 Unit Serving Kitchen & 2 Bathrooms Disconnection from the Wiring Diagram - Kitchen & 2 Bathrooms Supply Cord supply mains must be Green / Yellow From Unit MAINS incorporated within the fixed Blue 230V wiring in accordance with the...
  • Page 8: Maintenance

    Once the filters have been inspected return Support for further information on items not listed above. or replace them as necessary. Ensure that Nuaire product is made safe from any electrical / water Filter Replacement / refrigerant supplies before dismantling commences. This work...

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Mrxboxab-eco-lp2-oh

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