NuAire CYFAN Installation Manual

NuAire CYFAN Installation Manual

Surface mounted & semi-recessed domestic extract fans
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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.
24V fan units must be installed in accordance with these instructions and IEE Wiring Regulations
BS7671 for SELV installations.
In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance
must not be supplied through an external switching device, such as a timer, or connected to a
circuit that is regularly switched on and off by the utility.
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.
Isolate from power supply before removing any covers. During installation / maintenance ensure
all covers are fitted before switching on the mains supply.
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.
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 | Caerphilly | CF83 1NA | nuaire.co.uk
CYFAN
230V / 24V DC SELV Surface Mounted &
Semi-Recessed Domestic Extract Fans
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.
18. 02. 21. Document Number 671886
IPX4*
*Wall / Window
Mounted
Installations Only
1

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Summary of Contents for NuAire CYFAN

  • 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 18. 02. 21. Document Number 671886...
  • Page 2 •100mm Spigot (fitted) •Additional 125mm Ø Spigot •2x 100mm Back Draught Spigot •2x 125mm Back Draught Spigot •24V Transformer Enclosure •15mm deep mounting skirt Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 3: Installation Preparation

    100mm and 125mm spigots however these are not fitted as standard If the environment in which the product is installed also houses a and should not be used when using your CYFAN in continuous fuel-operating device (water heater, methane stove etc., that is not a operation.
  • Page 4: Section 1 (Power Supply 230V To 24V)

    As can be seen from the table of wiring sizes, it is advisable to place the enclosure as close to the fan as possible to reduce the costs of wiring and assist in installation. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 5: Electrical Installation

    (Section 2 PCB) 50Hz 230V Fuse 2A Fuse 2A 50Hz Fuse 2A (BS 1362) (BS 1362) (BS 1362) Transformer Fan unit (Section 2 PCB) Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 6: Mechanical Installation

    •Complete the fan installation by fitting (push fit) the front cover. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 7 First cut an aperture for the fan in the ceiling, cut and fit (A) timber supports (not supplied) and fit fan as shown. Remove the shutters from the spigot if you are mounting CYFAN in the ceiling. Pull-cord must be removed.
  • Page 8 •Feed wiring flex through the back of the fan casing and secure into Quantity Description Part No. place using cable clamps and screws provided in the CYFAN fixing 2 off No.8 x 1” CSK HD Supascrew 691646 kit.
  • Page 9 2 Fan Skirt and Body Assembly Spring Backdraught shutter x 2 Window screw long x 2 180394 Pan Head Screws x 4 Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 10: Installation Procedure

    •Drill •Feed wiring flex through the back of the fan casing and secure into •PH2 Screwdriver place using cable clamps and screws provided in the CYFAN fixing kit. •Terminal Screwdriver •Secure the case to the surface (fixings supplied by others). Care •Tape Measure...
  • Page 11 5.4.5 Setting the Fan for Intermittent Use requirements. The unit should be configured for intermittent use. To achieve 17L/s through the CYFAN front grille, and 6L/s through the subsidiary spigot the boost speed control should be set approximately to the 11 O’clock position.
  • Page 12: Operation

    Support for further information on items not listed above. The run-on timer is adjustable from 1 to 30 minutes and can operate Ensure that Nuaire product is made safe from any electrical / water off a remote switch (e.g. bathroom light switch).
  • Page 13 10.0 DRILL PATTERN TEMPLATE 100mm dia centre 125mm dia centre Note, if printing document check scale, holes centres should be 137mm horizontal x 159mm high. Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 14 Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 15 CYFAN Installation Manual NOTES Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...
  • Page 16 CYFAN Installation Manual NOTES Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk 18. 02. 21. Document Number 671886...

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