NuAire CYFAN-C User Manual

1
10. 05. 17. Leaflet Number 691500
CYFAN-C EXTRACT FANS
230V/24V DC SELV Surface and
Semi-Recessed Mounted Domestic Fans
INSTALLATION AND MAINTENANCE
The EMC Directive
2014/30/EU
The Low Voltage
directive
2014/35/EU
*
IPX4
The Nuaire CYFAN-C centrifugal extract fan is a major advance-
ment and has been designed to meet the flow rates for all wet
room applications such as the bathroom, kitchen, utility and WC
etc.
The unit discharges air through a 100mm or 125mm dia. spigot which
for surface and semi-recessed mounted units exits at the rear of the
unit. The subsidiary spigot kit allows the fan to extract air through the
side of the fan via a 50mm dia. spigot.
The motor is 24V brushless DC. Bearings are sealed, self-lubricating
ball type with integral locked rotor protection.
Units are supplied with a separate transformer enclosure if fans are
required for SELV usage.
*IPX4 to EN 60335-2-80 with front cover fitted.
1.1 Unit Operation includes 230V to 24V
conversion, continuous or intermittent
The fan can be converted to operate as a 24V DC SELV for zone 1
and 2 applications. The fan has the option to select continuous or
intermittent operation up to a installed performance of 60 l/s.
1.2 Mounting options
The CYFAN range can be:
Surface Mounted,
Semi-Recessed Mounted,
Using the optional extra Semi-Recessed
mounting frame kit suitable for 100mm and 125mm dia duct, consists of
mounting plate and mounting flange.
Window Mounted, using the optional kit.
Surface mounted with side spigot, using the optional kit
(see accessories and kits for part numbers).
1.3 Accessories/kits available for CYFAN-C:
n Wall mounting kit
Product Code Colour option
CYFAN-WALLKIT-WH White
CYFAN-WALLKIT-BR Brown
CYFAN-WALLKIT-COT Cotwolds
CYFAN-WALLKIT-TC Terracotta
n
Optional window mounting kit (Part number: CYFAN-WKIT).
n Optional subsidiary spigot kit for ventilation of adjacent
bathroom/separate toilet (Part number: CYFAN-DKIT).
n Semi-recessed mounting kit (Part number: CYFAN-RKIT).
n Optional filter available (Part number: 7702017).
1.4 What comes in the box?
The following components are included.
SECTION 1.0
INTRODUCTION
CYFAN-C EXTRACT FANS
Fan Body
n Fan Scroll including Motor
and Removable Impeller
n Control / PSU PCB, complete
with Boost Pull Switch
n PCB Cover
n Front Grille
n Front Cover
n 125mm Spigot (fitted)
n Additional 100mm dia. Spigot
n 2 off 100mm Back Draught Spigot
n 2 off 125mm Back Draught Spigot
n 24V Transformer Enclosure
Fixing Kit
n 8 off No6 x
3
⁄4 inch Pozi
Pan Screw
n 6 off No6 x
1
⁄2 inch Pozi
Pan Screws
n 2 off No8 x
3
⁄8 inch Pozi
Pan Screws
n 3 off Cable Clamps
n 1 off Shutter Spring
n 3 off Off nylon spacers
0 inch 1 2
Important
Warning: Isolate from power supply before removing any covers.
During installation/maintenance ensure all covers are fitted
before switching on the mains supply.
This appliance can be used by children aged from 8 years and
above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in
a safe way and understand the hazards involved. Children shall not
play with the appliance. Cleaning and user maintenance shall not
be made by children without supervision.
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.
Means for disconnection must be incorporated in the fixed wiring
as shown in the wiring diagram in accordance with IEE wiring or
national wiring rules.
CAUTION: 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.
N
uaire: A Trading Division of Polypipe Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2088 5911 F: 029 2088 7033 E: info@nuaire.co.uk W: www.nuaire.co.uk

NuAire CYFAN-C Specifications

General

Brand	NuAire
Model	CYFAN-C
Category	Fan
Language	English

Summary

Introduction to CYFAN-C Extract Fans

Unit Operation: 230V to 24V Conversion & Modes

Explains unit operation modes including 230V to 24V conversion and continuous/intermittent use.

CYFAN-C Fan Mounting Options

Details surface, semi-recessed, and window mounting methods for the CYFAN-C range.

Available CYFAN-C Accessories and Kits

Lists optional kits like wall mounting, window mounting, and subsidiary spigot kits.

CYFAN-C Package Contents

Lists the components included in the fan unit box, including fan body and fixing kits.

CYFAN-C Fan Unit Dimensions

Provides detailed dimensions of the fan unit from front, top, back, and side views.

Optional CYFAN-C Window Kit Dimensions

Shows the dimensions for the optional window mounting kit.

CYFAN-C Unit Preparation and Configuration

Changing the CYFAN-C Spigot Size

Instructions for replacing the 125mm spigot with a 100mm spigot.

Fitting CYFAN-C Back Draught Shutters

Step-by-step guide for fitting back draught shutters to the fan spigots.

CYFAN-C 230V to 24V Conversion

Steps for converting the fan unit from 230V mains to 24V SELV operation.

CYFAN-C Transformer Enclosure Installation (24V)

Guidance on mounting the transformer enclosure, including splash zone considerations.

Fitting the CYFAN-C Transformer Enclosure

Detailed procedure for installing the transformer and PCB section 1 into the enclosure.

CYFAN-C Transformer Wiring Size Notes

Notes on appropriate wiring sizes for the transformer to fan connection.

CYFAN-C Fan Wiring Diagrams

Illustrates various wiring options for 24V SELV and 230V operation, including remote and pull-cord.

CYFAN-C Surface Mounting Installation

CYFAN-C Surface Fan Installation

Step-by-step guide for installing the fan unit using the surface mounting method.

Tools for CYFAN-C Surface Mounting

Lists the necessary tools for performing the surface mounting installation.

CYFAN-C Surface Mounting Steps

Detailed steps for mounting the fan, securing wiring, and fitting components.

CYFAN-C Semi-Recessed Mounting Installation

CYFAN-C Semi-Recessed Fan Installation

Instructions for installing the fan unit using the semi-recessed mounting kit.

Tools for CYFAN-C Semi-Recessed Mounting

Lists the necessary tools for performing the semi-recessed mounting installation.

CYFAN-C Semi-Recessed Mounting Procedures

Detailed steps for fitting the fan and semi-recessed mounting kit.

CYFAN-C Window Mounting Installation

CYFAN-C Window Fan Installation

Instructions for installing the fan unit using the optional window mounting kit.

Tools for CYFAN-C Window Mounting

Lists the necessary tools for performing the window mounting installation.

CYFAN-C Window Mounting Procedures

Steps for fitting the fan into the window kit, including securing and wiring.

Fitting the CYFAN-C Fan for Window Mount

Detailed steps for preparing and fitting the fan unit into the window mounting assembly.

Fitting the CYFAN-C Window Kit

Instructions for assembling and fitting the window kit components.

CYFAN-C Surface Mounting with Side-Spigot

CYFAN-C Side-Spigot Fan Installation

Instructions for installing the fan unit with a side spigot using the optional kit.

Tools for CYFAN-C Side-Spigot Mounting

Lists the necessary tools for performing the side-spigot mounting installation.

CYFAN-C Side-Spigot Installation Procedures

Detailed steps for fitting the fan with a side spigot, including filter and PCB reassembly.

CYFAN-C Fan Setting for Side-Spigot Use

Guidance on setting the boost speed control for specific airflow rates with the side spigot.

CYFAN-C Setting the Product to Work

CYFAN-C Default Unit Settings

Describes the factory default settings for intermittent/continuous operation and humidity sensing.

CYFAN-C Part F 2010 Flowrates

Specifies minimum flow rates for different rooms as per Part F 2010 regulations.

CYFAN-C Continuous vs. Intermittent Operation

Explains how to configure the fan for continuous or intermittent operation and airflow adjustment.

CYFAN-C Humidity Tracker Switch

Details the humidity sensing feature and its effect on fan operation.

CYFAN-C Run-on Timer Adjustment

Information on adjusting the run-on timer for delayed fan shutdown.

CYFAN-C Airflow Adjustment Guide

Guidance on checking and adjusting airflow rates, especially with different spigots or duct runs.

CYFAN-C Terms and Conditions

CYFAN-C Product Warranty

Details the 5-year warranty coverage, including labour and replacement parts.

CYFAN-C After Sales Support

Provides contact details for technical assistance, spare parts, and after-sales support.