Delta VFB25ADBT User Manual

Delta VFB25ADBT

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READ AND SAVE THESE INSTRUCTIONS

Address: 46101 Fremont Boulevard, Fremont, CA 94538

US Toll Free Number: 1-888-979-9889

TABLE OF CONTENTS

Package Contents 2

General Safety Information 3

Preparation and Wiring Diagrams 5

Assembly Instructions - New Construction 6

Assembly Instructions - Existing Construction 7

Grille & Speaker Installation 10

Operation 10

Care and Maintenance 11

Troubleshooting 12

Dimensions 13

13

Warranty 14

MODEL VFB25ADBT

VENTILATION FAN

WITH BLUETOOTH SPEAKER

Table of Contents

Questions and Answers:

C
Cynthia WiseJul 27, 2025
Why is my Delta VFB25ADBT so loud?
- W
  Wayne KingJul 27, 2025
  If your Delta Fan seems louder than it should be, there are several potential reasons: 1. The CFM rating might be too great for the room size. Ensure the CFM rating matches the room's requirements. 2. The damper may not be working correctly or could be damaged. Check that it opens and closes properly. If damaged, contact Customer Service. 3. A bend in the duct might be too close to the fan discharge. Ensure no sharp bends are closer than 18 inches to the fan discharge. 4. The fan discharge duct size might be incorrect. Use the recommended ducting size to reduce noise. 5. The fan body might not be securely attached. Make sure the fan is securely attached to your ceiling joists.
J
jwilliamsAug 7, 2025
What to do if my Delta Fan is not turning on?
- M
  Mr. Alan Shelton MDAug 7, 2025
  If your Delta Fan is not turning on, please check the following: 1. Ensure the power supply is on. 2. Test or replace the switch. 3. Check the wiring in the switch box.
A
Austin WilliamsonAug 16, 2025
How to improve airflow with my Delta VFB25ADBT?
- A
  alawrenceAug 16, 2025
  If your Delta Fan is not clearing the room effectively, here are a couple of things to check: 1. Ensure there is adequate airflow within the room by slightly opening a door or window. 2. Verify that the CFM rating of the fan matches the requirements for your room size.

Delta VFB25ADBT Specifications

General

Model	VFB25ADBT
Brand	Delta
Category	Fan
Bearing Type	Ball Bearing
Connector	Unspecified

Summary

Package Contents

General Safety Information

Safety Warnings and Cautions

Crucial warnings and cautions for installation and operation to prevent hazards like fire and electric shock.

FCC and Bluetooth Safety Compliance

Preparation and Installation Guidelines

Dimension Requirements

Specifies required ceiling opening and housing dimensions for proper fan installation.

Wiring Diagram

Illustrates electrical connections required for the fan and speaker system.

Assembly Instructions - New Construction

Assembly Instructions - Existing Construction

Assembly Instructions - No Attic Access

Assembly Instructions - With Attic Access

Grille and Speaker Installation

Operation and Bluetooth Pairing

Care and Maintenance

Troubleshooting Common Issues

Dimensions and Specifications

Warranty Information

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