NuAire XBC75 Installation Manual

NuAire XBC75 Installation Manual

Supply & extract ventilation with heat recovery
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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.
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.
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 Symbols
GENERAL WARNING
Signifies a general warning regarding hazard specified by supplementary information.
ELECTRIC SHOCK
This unit must be completely electrically isolated before any panels are removed. Check
mains supply and control connections.
ROTATING PARTS
This unit contains fast moving rotational parts which may start automatically. It is the
sole responsibility of the installer to adequately guard these components.
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 | Caerphilly | CF83 1NA | nuaire.co.uk
XBC75 & 85
Adapt Siemens (AS) Control
Supply & Extract Ventilation with Heat Recovery
Installation Manual
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.
09. 06. 21. Document Number 671786
1

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Summary of Contents for NuAire XBC75

  • Page 1 Nuaire would always recommend a site specific risk assessment by a competent person to determine if any additional PPE is required. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 2 All equipment is inspected prior to despatch and leaves the factory in the XBOXER XBC75 & 85 Supply and Extract Ventilation Units with good condition. Upon receipt of the equipment an inspection should be Heat Recovery.
  • Page 3: Dimensions And Weights

    Example: XBC85-V-LESWP. The unit is designed for side access as standard and must be Note: Codes with ‘R’ i.e. (XBC75-G4B-HR) refer to right hand unit installed with a minimum of clearance of 650mm from a wall or versions.
  • Page 4 F7 Bag / G4 Panel With Twin Pitched Roof For Horizontal XBC85 Units 2000 XBC75-F7B/G4P-HRWP F7 Bag / G4 Panel With Twin Pitched Roof For Right Handed Horizontal XBC75 Units 2000 XBC85-F7B/G4P-HRWP F7 Bag / G4 Panel With Twin Pitched Roof For Right Handed Horizontal XBC85 Units...
  • Page 5 The unit is designed for side access as standard and must be the unit code and is factory fitted only. Example: XBC85-V-LATWP. installed with a minimum of clearance of 650mm from a wall or Note: Codes with ‘R’ i.e. (XBC75-G4B-HR) refer to right hand unit barrier. versions.
  • Page 6 F7 Bag / G4 Panel With Twin Pitched Roof For Vertical XBC85 Units 1000 1741 XBC75-F7B/G4P-RWP F7 Bag / G4 Panel With Twin Pitched Roof For Right Handed Vertical XBC75 Units 1476 XBC85-F7B/G4P-RWP F7 Bag / G4 Panel With Twin Pitched Roof For Right Handed Vertical XBC85 Units...
  • Page 7: Mechanical Installation

    Do not drill or cut the unit casing for this purpose. Cable access points are provided at the ends of the control enclosure. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 8: Condensate Pump

    If filter manometers, pressure switches or indicators have been fitted, they should be set or adjusted to reflect the commissioned system operation. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 9 Sensor New Pressure Tapping e.g. Silencer High Low Branch Branch Balancing Balancing Damper Damper Flexible tubing To atmosphere Inlet Pressure Riser Riser Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 10: Switch Wiring

    1 - NC 3 - C Customer 240 V 2 - NO Connection Pressure Sensor Internals Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 11 6.5.2 Horizontal Units Horizontal Unit Hardware Positioning EXTRACT INLET SUPPLY DISCHARGE 6.5.3 Vertical Units Vertical Unit Hardware Positioning EXTRACT INLET SUPPLY DISCHARGE Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 12: Electrical Installation

    Chilled Dmd Relay AHU’6Outpts’8ClgDmd 8ClgDmd Q250 No, Yes Heat Dmd Relay AHU’6Outpts’6HtgDmd 6HtgDmd Q250 No, Yes IO Damper AHU’6Outpts’11IODmp 11IODmp Q250 Close, Open Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 13: Terminal Connections

    Terminal blocks can be connected together to increase the number of terminals at the same potential using push-in jumpers. In these cases the terminals are treated as one conductor. Jumper Connections Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 14 XBC75 & 85 (AS Control) Installation Manual 7.8 Physical Layout Diagrams 7.8.1 Horizontal Units Physical Layout - Horizontal Units Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 15 XBC75 & 85 (AS Control) Installation Manual 7.8.2 Vertical Units Physical Layout - Vertical Units Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 16 This diagram only shows the essential field wiring points for clarity. Wiring Diagram - No Heater / LPHW Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 17 XBC75 & 85 (AS Control) Installation Manual Wiring Diagram - Electric Heater Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 18 ‘frost condition’ temperature set by the frost stat. It is recommended that the ‘frost condition’ temperature is set at 4°C. Wiring - Electric Frost Coil Ancillary Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 19 CO2 concentration the target CO2 setpoint. The target CO2 sensor setpoint can be changed as one of the commissioning setpoints. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 20: Maintenance

    Support for further information on items not listed above. •Any drain trays should be cleaned and repaired if necessary. Ensure that Nuaire product is made safe from any electrical / water 10.2 Every 3 Months / refrigerant supplies before dismantling commences. This work •Check filters and change/clean if required, failure to do so may...
  • Page 21: Filter Replacement

    Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 22 GENERAL In addition to the particular requirements given for the individual product, the following The equipment referred to in this Declaration of Incorporation is supplied by Nuaire to general requirements should be noted. be assembled into a ventilation system which may or may not include additional Where access to any part of equipment which moves, or can become electrically live are components.
  • Page 23 XBC75 & 85 (AS Control) Installation Manual NOTES Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...
  • Page 24 XBC75 & 85 (AS Control) Installation Manual NOTES Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 09. 06. 21. Document Number 671786...

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