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NBR DMEV
100mm & 125mm
CONTINUOUS EXTRACT FAN RANGE
Installation and Wiring Instructions
220-240V~50Hz
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS.
Stock Ref. N°
475142A - NBR DMEV 100
473809A - NBR DMEV 100 HT
494147
- NBR DMEV 125
494148
- NBR DMEV 125 HT
IPX5
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Table of Contents
Related Manuals for Vent-Axia NBR DMEV 125
Summarization of Contents
Safety and Installation Precautions
Important Installation Warnings
Mandatory instructions before installation, detailing prohibited environments and conditions.
General Safety Guidelines
Essential rules for wiring, electrical safety, installation zones, and proper fan use.
Product Description and Accessories
NBR DMEV Fan Features
Overview of the fan's continuously running operation, airflow detection, and LED display configuration.
Available Accessories
List of optional accessories like wall kits, window kits, and conversion kits for installation.
Installation Methods
Panel, Ceiling, Interior Wall Mount
Step-by-step guide for mounting the fan into panels, ceilings, or interior walls.
Exterior Wall Mount
Instructions for installing the fan on an exterior wall, including sleeve and grille placement.
Wiring and Setup Procedures
Window Mounting Instructions
Instructions for window mounting the 100mm fan, referring to kit-provided guidance.
Fan Wiring Guidelines
Guidance on electrical connections, emphasizing isolation and secure wiring practices.
Fan Setup and Commissioning
Procedures for accessing the commissioning menu and configuring fan settings via the LED display.
Configuration and Display Modes
Display and Prism Mode Operation
Explanation of fan display initialization, prism mode, and inactivity return.
Menu Navigation and Modes
How to navigate the menu system using buttons, and available standard/advanced modes.
Fan Settings and Controls
Standard Settings Configuration
Details on configuring display, trickle/boost speeds, overrun time, and humidity triggers.
Advanced Settings Configuration
Settings for ambient response, rapid response, and comfort mode features.
Speed Selection Guide
Instructions for setting trickle and boost speeds in l/s and converting to m3/h.
Advanced Fan Features Explained
Boost Time Adjustment
How to adjust the boost timer duration or disable it.
Ambient Response and Rapid Rise
Explanation of humidity threshold, speed increase, and rapid rise detection for humidity control.
Comfort Mode Operation
How comfort mode interacts with light switch input for boost and over-run periods.
Fan Control Mode Options
Description of Wall, Ducted, and Constant Airflow/Volume (CV) modes.
Calibration and Maintenance
Calibration Reset Procedure
Steps to reset calibration settings if the fan was covered or exposed to adverse conditions.
Airflow Sensor Calibration
Information about factory calibration of the airflow sensor using UKAS accredited equipment.
Servicing and Maintenance
Guidelines for regular inspection, cleaning, and noting the fan's sealed bearings.
Troubleshooting Fan Issues
Fan Speed Fluctuations
Explanation for fan speeding up/down due to wind conditions and solutions.
Incorrect Airflow Issues
Troubleshooting problems with too much or too little air movement, including calibration influence.
Calibration Error Display
Resolving 'ERR' display during calibration, especially related to external conditions.
Product Fiche and Compliance
Technical Specifications
Detailed performance data including SEC class, airflow rates, power input, and sound levels.
Disposal and Guarantee Information
Product Disposal
Instructions for responsible disposal of the product, emphasizing recycling and local authority checks.
Vent-Axia Guarantee Terms
Details of the 7-year guarantee, conditions for claims, and return procedures.
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