NuAire CYFAN Installation And Maintenance Manual

NuAire CYFAN Installation And Maintenance Manual

230v/24v dc selv surface mounted & semi-recessed domestic extract fan
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CYFAN
230V/24V DC SELV Surface Mounted &
Semi-Recessed Domestic Extract Fan
Installation and Maintenance Manual
1.0 IMPORTANT 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.
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.
25.10.2024 I&M No. 671629
| Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
Page 1 of 16

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Summary of Contents for NuAire CYFAN

  • Page 1 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.
  • Page 2: Dimensions (Mm)

    • 2x 100mm Back Draught Spigot • 2x 125mm Back Draught Spigot • 24V Transformer Enclosure • 15mm deep mounting skirt 25.10.2024 I&M No. 671629 Page 2 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 3: Installation Preparation

    100mm and 125mm spigots however these are not fitted as accordance with good industry practice and should conform to all standard and should not be used when using your CYFAN in governing and statutory bodies i.e. IEE, CIBSE, HVCA, etc.
  • 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. 25.10.2024 I&M No. 671629 Page 4 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 5: Electrical Installation

    (BS 1362) 50Hz (BS 1362) Transformer Fan unit Fuse 2A (Section 2 PCB) (BS 1362) Transformer Fan unit (Section 2 PCB) 25.10.2024 I&M No. 671629 Page 5 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 6: Mechanical Installation

    PCB terminal block (see section 4.0 on page 5). • Replace PCB into fan casing and secure cable into place using cable clamps and screws provided in the CYFAN fixing kit. • Secure unit to skirt using 4 off No.6 x 1/2” screws provided.
  • Page 7 PCB assembly PCB cover 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. • Core cut centre and drill and plug mounting holes.
  • Page 8 PCB assembly. Note: if the pull cord is not required, remove it completely. Remove rear spigot and 691646 No.8 x 1” CSK HD Supascrew motor clip from the CYFAN body (Theses are not required for 680193 No.8 x 1-1/2” CSK HD Supascrew the CYFAN-WKIT).
  • Page 9 Silicone Seal Window cover and outside clamp assembly Spring Backdraught shutter x2 180394 Pan Head Screws x3 Long Window Screw x2 25.10.2024 I&M No. 671629 Page 9 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 10: Installation Procedure

    Disconnect and remove the fan scroll from assembly and completely remove the PCB assembly. If the pull cord is not required, remove it completely. 25.10.2024 I&M No. 671629 Page 10 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 11: Operation

    The unit should be configured for intermittent use. To achieve 17L/s positioned on the right or left side to meet the application through the CYFAN front grille, and 6L/s through the subsidiary requirements. spigot the boost speed control should be set approximately to the 11 O’clock position.
  • Page 12: Maintenance

    Ensure that Nuaire product is made safe from any electrical / 7.0 MAINTENANCE water / refrigerant supplies before dismantling commences. This work should only be undertaken by a qualified person in...
  • Page 13 100mm dia centre 125mm dia centre Note, if printing document check scale, holes centres should be 137mm horizontal x 159mm high. 25.10.2024 I&M No. 671629 Page 13 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 14 CYFAN Installation Manual 12.0 NOTES 25.10.2024 I&M No. 671629 Page 14 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 15 CYFAN Installation Manual 25.10.2024 I&M No. 671629 Page 15 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...
  • Page 16 CYFAN Installation Manual 25.10.2024 I&M No. 671629 Page 16 of 16 | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk...

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