Dayton 3VG81 manual Storage, Service Procedures, Maintenance

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Dayton Operating Instructions and Parts Manual

3VG81

Dayton® Propane

Construction Heater

Operation (Continued)

TO STOP HEATER

1.Tightly close propane supply valve on propane tank(s).

2.Wait a few seconds. Heater will burn gas left in supply hoses.

3.Turn on/off switch to the OFF position.

4.Unplug heater.

Storage

Disconnect heater from propane

supply tank(s).

1.Store propane tank(s) in safe manner. See Chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58. Follow all local codes.

2.Place plastic cover caps over brass fittings on inlet connector and hose/regulator assembly.

3.Store in dry, clean, and safe place. Do not store hose/regulator assembly inside heater combustion chamber.

4.When taking heater out of storage, always check inside of heater. Insects and small animals may place foreign objects in heater. Keep inside of heater free from combustible and foreign objects.

1.Keep heater clean. Clean heater annually or as needed to remove dust and debris. If heater is dirty or dusty, clean heater with a damp cloth.

2.Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections.

Bubbles forming show a leak. Correct all leaks at once.

3.Inspect hose/regulator assembly before each use. If hose is highly worn or cut, replace.

4.Have heater inspected yearly by a qualified service agency.

5.Keep inside of heater free from combustible and foreign objects.

Service Procedures

Never service heater while it is

plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.

UPPER SHELL REMOVAL

1.Remove screws along each side of heater. These screws attach upper and lower shells together.

2.Lift or slide upper shell off.

3.Remove fan guard.

FAN

IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1.Remove upper shell (See Upper Shell Removal).

2.Use hex wrench to loosen setscrew which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using soft cloth moistened with kerosene or solvent.

5.Dry fan thoroughly.

6.Replace fan on motor shaft. Make sure setscrew is touching back of flat surface on motor shaft (See Figure 8).

7.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds).

8.Replace fan guard and upper shell.

Setscrew

Fan

Motor shaft

Figure 7 - Fan, Motor Shaft, and Setscrew Location

Maintenance

Never service heater while it is

plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.

Figure 6 - Upper Shell Removal

Hub Fan

Motor Shaft

Setscrew

Figure 8 - Fan Cross Section

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Contents Description Unpacking3VG81 Specifications General Safety InformationProduct Identification Model 3VG81 Installation Theory of OperationPropane Supply Ventilation OperationTo Start Heater Service Procedures MaintenanceStorage Wiring Diagrams AccessoriesIgnitor For Repair Parts, call Model 3VG81 Repair Parts List Repair Parts List Limited Warranty

3VG81 specifications

The Dayton 3VG81 is an innovative and highly efficient ventilation fan designed for various applications, including residential and commercial spaces. This product is known for its reliability and versatility, making it a preferred choice among engineers and contractors.

One of the main features of the Dayton 3VG81 is its powerful motor. The fan is equipped with a robust, energy-efficient motor that provides consistent airflow, ensuring optimal ventilation regardless of the setting. The motor is designed to operate quietly, making it suitable for environments where noise level is a concern, such as offices and libraries.

Another standout aspect of the Dayton 3VG81 is its compact and lightweight design. This makes it easy to install and reposition as needed. The unit is constructed with durable materials that enhance its longevity while maintaining a sleek appearance that can blend seamlessly with various interiors.

In terms of technology, the Dayton 3VG81 incorporates advanced airflow management features. The fan is designed with specially engineered blades that maximize air movement while minimizing energy consumption. This not only improves performance but also contributes to lower electricity bills, making it an eco-friendly option for consumers.

Moreover, the Dayton 3VG81 is equipped with variable speed control, allowing users to adjust the airflow according to their specific needs. This feature enhances user experience by providing flexibility and ensuring that the environment can be adapted to changing conditions, whether it be for heating, cooling, or venting purposes.

The fan also boasts an easy-to-use interface, simplifying the operation for users. LED indicators provide clear visibility of the fan's status and settings, enhancing the overall user experience.

Safety is paramount with the Dayton 3VG81, and it comes with various safety features, including thermal overload protection which prevents the motor from overheating and ensures the longevity of the unit.

In summary, the Dayton 3VG81 is a versatile, quiet, and efficient ventilation solution with a range of features designed to enhance user experience and promote energy savings. Its durable construction, advanced technologies, and thoughtful design make it an excellent choice for those seeking reliable ventilation in a variety of settings. Whether for residential, commercial, or industrial use, the Dayton 3VG81 stands out in the market as a top choice for modern ventilation needs.