Important Safety Instructions

WARNING:

TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK

OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:

1.Do not use this fan with any Solid-State Speed Control Device.

2.Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer.

3.Before servicing or cleaning unit, switch power off at service panel and lock service panel to prevent power from being switched on accidentally.

4.Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and stan- dards, including fire-rated construction.

5.Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment 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 the local code authorities.

6.CAUTION: For general ventilation use only! Do not use to exhaust hazardous or explosive materials and vapors.

7.When cutting or drilling into wall or ceiling, Do Not damage electrical wiring or other hidden utilities.

8.CAUTION: This unit has an unguarded impeller. Do not use in locations readily accessible to people or animals.

INTRODUCTION

Your Whole House Ventilator is designed and engineered to provide years of satisfactory service in cooling and ventilating your entire house. Hot, humid air is drawn from the living areas and replaced by cooler outside air. This cooler air may be routed through selected areas of the house by opening the proper windows and doors.

This Whole House Ventilator is a direct drive unit designed to provide maximum ventilation at minimum sound levels, and is supplied with a 3-speed control. It is specifically designed and engineered to eliminate cutting of 16” O.C. joists, thus providing the easiest installation available. The shutter is also designed to give an attractive flush appearance without cutting the center joist.

Shutter model required: Ceiling Installation — Model A3024

Wall Installation — Model 3130

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A24DD specifications

Marley Engineered Products has long been recognized for its innovative solutions in the field of HVAC and fluid handling technologies. One of its outstanding offerings is the A24DD unit, a high-performance fan and heater combination designed to maximize efficiency and comfort in various applications.

The A24DD is strategically engineered with a focus on versatility. It is suitable for use in industrial, commercial, and residential settings, making it a popular choice among contractors and facility managers. Its compact design allows for easy installation in tight spaces, which is ideal for businesses that need to optimize their operational areas without compromising on heating solutions.

A key feature of the A24DD is its advanced airflow technology. The unit utilizes a direct drive motor, which not only enhances energy efficiency but also reduces noise levels, providing a quieter environment. This characteristic is particularly beneficial in settings where noise pollution can affect comfort or productivity, such as offices and schools.

The A24DD is equipped with a robust heating element that ensures rapid heat distribution, contributing to a warm and comfortable atmosphere in no time. The built-in safety features, including over-temperature protection and adjustable thermostat controls, enhance user safety and comfort. This system provides users the flexibility to adjust the temperature settings to meet their specific needs, ensuring efficient energy use.

In terms of durability, the A24DD stands out with its high-quality materials and construction. It is designed to withstand harsh conditions, making it an excellent option for various industrial applications. The corrosion-resistant housing ensures longevity, while the easy maintenance features reduce the total cost of ownership.

Another highlight of the A24DD is the integration of smart technologies. It can be linked with existing building management systems, allowing for streamlined operation and energy monitoring. This capability not only supports energy efficiency goals but also aids in maintaining the operational reliability of heating systems.

In summary, the Marley Engineered Products A24DD unit combines flexibility, efficiency, and advanced technology, making it a top choice for those seeking reliable heating solutions across a broad spectrum of environments. With its user-friendly features and commitment to safety and efficiency, the A24DD is redefining comfort and performance in heating systems.