Greenwood Unity CV3 User Manual

Unity CV3
Decentralised Mechanical Extract Ventilation (dMEV)
Installation and Operating Instructions
The Unity CV3 is a continuously
running (dMEV) extract fan, designed
to offer a simplistic approach to meet
Building Regulations and provide an
energy efficient domestic ventilation
solution to improve indoor air quality
in dwellings.
Please read instructions before
commencing the installation.
Please make these instructions
available for the user.

Greenwood Unity CV3 Specifications

General

Brand	Greenwood
Model	Unity CV3
Category	Fan
Language	English

Summary

Overview and Important Information

Important Safety and Installation Prerequisites

Crucial safety and installation prerequisites must be read and understood before proceeding with the installation.

WEEE Disposal Compliance

Information regarding the proper disposal and recycling of the product according to WEEE regulations.

Installation Preparation

Preparing the Fan for Installation

Steps to prepare the Unity CV3 fan unit for installation by disassembling its covers.

Wall Preparation Guide

Instructions for preparing wall openings, including drilling and duct connection, for fan installation.

Ceiling Preparation Guide

Guidance on preparing ceiling openings for the fan and electrical cable installation.

Window Preparation Guide

Details on cutting circular holes in window panes for fan installation, including size specifications.

Installation Steps

Step 1: Connect Ducting

Connect ducting to the fan's rear spigot, ensuring flexible ducting is taut.

Step 2: Remove Fan Cover

Remove the fan's main body cover by loosening the retaining screw and rotating it to the unlock position.

Electrical Installation

Step 3: Wire the Fan

Instructions for wiring the fan, including secure mounting and electrical connection details.

Electrical Installation Preparation

Mandatory electrical installation guidelines, safety precautions, and compliance with wiring regulations.

230V Wiring Details

Specific wiring diagram and connection details for the 230V Unity CV3 fan model.

Final Installation Steps

Step 4: Secure Fan Cover

Secure the main body cover by rotating it clockwise to the lock position and tightening the retaining screw.

Step 5: Reattach Front Cover

Reattach the front cover by rotating it clockwise until it clicks securely into place with the retaining clips.

Commissioning Procedures

Commissioning via Fan Controls

Step-by-step guide for commissioning the fan's airflow rates and settings using the fan's buttons.

Commissioning Status Indicators

Details on the fan's operational status and indicator lights during the commissioning process.

Checking Fan Status Post-Commissioning

How to check the fan's impeller status to diagnose commissioning issues.

App-Based Commissioning

Commissioning via Mobile App

Instructions for commissioning the fan using the dedicated Unity CV3 mobile application.

Checking Fan Status via App

How to check fan status via the Android device's NFC connection.

Resetting and Recommissioning

Master Reset and Recommissioning Procedure

Procedure for performing a master reset and recommissioning the fan unit.

User Information and Maintenance

Servicing and Maintenance Guidelines

Guidelines for trained personnel on servicing and maintaining the Unity CV3 fan.

Troubleshooting and Settings Adjustment

Troubleshooting Common Issues

Common issues and their solutions for the Unity CV3 fan, including operational problems.

Changing Fan Settings

Instructions on how to adjust fan settings via the fan's controls or the mobile application.