Delta VFB25ACH, VFB25AX, VFB25AD manual Installation and Operating Instructions Ventilation System

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INSTALLATION AND OPERATING INSTRUCTIONS

VENTILATION SYSTEM

MODELS: VFB25AX / VFB25AD / VFB25AC

VFB25AEH / VFB25ADH / VFB25ACH

READ AND SAVE THESE INSTRUCTIONS

General Safety Information

 

 

 

 

 

1.

Do not install this ventilating fan where air temperature may

8.

These models are UL listed for tub and shower enclosures.

 

exceed 40°C (104°F).

9.

Do not use this unit with any other solid-state control device.

 

 

2.

Make sure that the electric service supply voltage is AC 110~220V,

 

Solid-state controls may cause harmonic distortion, which can

 

50~60Hz.

 

cause motor humming noise.

 

 

3.

Follow all local electrical and safety codes, as well as the Nation

10.

panel and lock the service disconnecting means to prevent

 

Electrical Code (NEC) and the Occupation Safety and Healthy

 

 

Act (OSHA).

 

power from being switched on accidentally. When the service

4.

Always disconnect the power source before working on or near

 

disconnecting means cannot be locked, securely fasten a

 

prominent warning device, such as a tag, to the service panel.

 

the ventilating fan, motor or junction box.

 

 

11.

NEVER place a switch where it can be reached from a tub

5.

Protect the power cord from sharp edges, oil, grease, hot surfaces,

 

or shower.

 

 

 

chemicals or other objects.

 

 

 

 

12.

Not to be installed in a ceiling thermally insulated to a value

6.

Do not kink the power cord.

 

greater than R40 (This is required for installation in Canada only).

7.

 

 

in Fig. A.

 

 

 

 

 

 

 

 

Turning angle too large

Duct shrink

 

 

 

 

8.Provide suction parts with proper ventilation.

9.This unit is UL listed for use over a bathtub or shower when

 

installed in a GFCI protected branch circuit.

 

 

 

10.

These ventilating fans are intended for residential usage only.

 

 

 

WARNING

Too many elbows

Elbow near the body

 

 

 

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR

 

Body

 

INJURY TO PERSONS, OBSERVE THE FOLLOWING:

 

 

 

1.

Use this unit only in the manner intended by the manufacturer.

 

 

 

 

If you have any questions, contact the manufacturer.

 

Fig. A

 

2.

Before servicing or cleaning unit, switch power o at service

 

 

 

 

 

 

panel and lock the service disconnecting means to prevent

CAUTION

 

 

 

power from being switched on accidentally. When the service

1. For general ventilating use only. Do not use to exhaust hazardous

 

disconnecting means cannot be locked, securely fasten a

 

or explosive materials and vapors.

 

 

prominent warning device, such as a tag, to the service panel.

 

 

2. Not for use in cooking area (Fig. B).

 

3.

 

 

person(s) in accordance with all applicable codes and standards,

3. This product must be properly grounded.

 

 

 

4.

 

 

Cooling Area

 

 

to prevent back drafting. Follow the heating equipment

 

 

 

 

manufacturer’s guideline and safety standards such as those

 

 

 

 

published by the National Fire Protection Association (NFPA),

 

 

 

 

and the American Society for Heating Refrigeration and Air

 

 

 

 

Conditioning Engineers (ASHRAE) and local code authorities.

 

 

 

5.

When cutting or drilling into wall or ceiling, do not damage

 

 

 

 

electrical wiring and other hidden utilities.

 

Co ol i n g

 

 

 

 

 

6.

Ducted ventilating fan must always be vented to the outdoors.

 

Eq uip m en t

Fl o o r

 

 

7.

If this unit is to be installed over a tub or shower, it must be

 

 

 

 

marked as appropriate for the application and be connected

 

Fig. B

 

 

to a GFCI (Ground Fault Circuit Interrupter) – protected branch

 

Fig. B

 

 

 

 

 

 

circuit.

 

 

1

 

 

 

 

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Contents General Safety Information Installation and Operating Instructions Ventilation SystemRead and Save These Instructions Install with Joist Supplied AccessoriesBody Installation Fig. E-02 Duct ConnectionMaintenance Warning Wood Frame Ventilation Fan Installation GuideStep Joist Mounting InstallDelta Electronics Three Year Limited Warranty

VFB25AEH, VFB25ADH, VFB25AD, VFB25AC, VFB25ACH specifications

Delta VFB25 series includes five different models: VFB25AD, VFB25ACH, VFB25AX, VFB25AEH, and VFB25ADH. These models are widely recognized in the realm of industrial automation and control systems. Their versatility and robust design cater to various applications, making them suitable for users in diverse industries.

The VFB25AD model is primarily designed for temperature control applications. It features an advanced PID control algorithm, ensuring precise temperature regulation. The model is equipped with a user-friendly interface that allows for easy setup and operation. Its compact size makes it suitable for installations where space is a premium.

Moving on to the VFB25ACH, this model is tailored for applications requiring a high degree of accuracy in controlling humidity levels. It includes integrated sensors that monitor ambient conditions in real-time, enabling dynamic adjustments. This feature is particularly beneficial in environments such as laboratories and manufacturing facilities where temperature and humidity must be closely regulated.

The VFB25AX is designed with flexibility in mind. It incorporates multiple communication protocols, including MODBUS and RS-485, allowing seamless integration with different control systems. This model is an excellent choice for users looking to incorporate automation into their existing setups. It can handle a wide range of input signals, making it ideal for multi-faceted industrial applications.

The VFB25AEH is unique due to its energy efficiency features. This model employs advanced algorithms that minimize energy consumption while maximizing performance. Its also supports eco-friendly operations, making it a fitting choice for companies committed to sustainability. The design incorporates a heat recovery system, allowing for reduced operational costs and lower environmental impact.

Lastly, the VFB25ADH combines the features of its predecessors, targeting applications that require both temperature and humidity control. This hybrid model delivers accurate readings and adjustments, meeting the demands of complex environments. The user interface is designed for intuitive navigation, enabling quick configuration even for less experienced users.

In summary, the Delta VFB25 series stands out due to its specialized models that cater to temperature, humidity, and energy-efficient control needs. Each model comes with distinct technologies and features that reflect overriding priorities such as accuracy, flexibility, and sustainability, making them essential tools in modern industrial automation.
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