Honeywell VR8304 installation instructions Application, Specifications

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VR8304 Intermittent Pilot Combination Gas Control

INSTALLATION INSTRUCTIONS

APPLICATION

 

 

 

Table 2. Flange part numbers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

These intermittent pilot gas controls are used in gas-fired

 

Inlet/outlet pipe size

Flange type

 

Part number

 

3/8 inch NPT

Straight

393690-11

appliances with capacities up to 300 ft3/hr at 1 in. WC

 

 

 

 

 

 

 

 

 

1/2 inch NPT

Elbow

393690-13

pressure drop (8.5 m3/h at 0.25 kPa) on natural gas.

 

They include a manual valve, two automatic operators,

 

3/4 inch NPT

Straight

393690-4

and a pressure regulator. See Table 1 for temperature

 

 

 

 

 

 

 

 

 

 

 

Elbow

393690-15

ranges and regulator types.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Flange kits include one flange with attached O-

Table 1. Temperature ranges and regulator types

 

 

ring and fan mounting screw.

 

 

 

 

 

 

 

 

 

 

 

Ambient

 

 

 

 

 

 

 

 

 

Model number

temperature range

Regulator type

 

 

Table 3. Capacity

 

 

 

VR8304H

0 F to 175 F

Slow-opening

 

Size

Capacity at 1 in.

Minimum

 

Maximum

 

(-18 C to +79 C)

 

 

(inlet x

WC pressure

regulated

 

regulated

VR8304K

-40 F to 175 F

Slow opening

 

outlet)

dropa

 

capacity

 

capacity

 

(-40 C to +79 C)

 

 

 

 

 

 

 

 

 

 

 

 

1/2 x 1/2

240 ft3/hr

 

30 ft3/hr

 

 

340 ft3/hr

VR8304M

-40 F to 175 F

Standard-opening

 

 

 

 

 

 

(6.8 m3/hr)

 

(0.8 m3/hr)

 

(9.6 m3/hr)

 

(-40 C to +79 C)

 

 

 

 

 

 

 

 

 

1/2 X 3/4

270 ft3/hr

 

30 ft3/hr

 

 

370 ft3/hr

VR8304P

-40 F to 175° F

Step-opening

 

 

 

(-40 C to +79 C)

 

 

 

(7.6 m3/hr)

 

(0.8 m3/hr)

 

(10.5 m3/hr)

SPECIFICATIONS

 

 

3/4 X 3/4

300 ft3/hr

 

30 ft3/hr

 

 

415 ft3/hr

 

 

 

(8.5 m3/hr)

 

(0.8 m3/hr)

 

(11.8 m3/r)

 

 

 

 

 

 

 

aCapacity based on 1000 Btu/ft3, 0.64 specific gravity

Body pattern: Straight-through body pattern.

Inlet x outlet sizes available: 1/2 x 1/2 in., 1/2 x 3/4 in., and 3/4 x 3/4 in. (factory-installed inlet flange).

Adapters Adapters available for 3/8, 1/2 and 3/4 in. straight and angle connections. Refer to Table 2.

natural gas at 1 in. WC pressure drop (37.3 MJ/m3,

0.64specific gravity natural gas at 0.25 kPa pressure drop.

Use conversion factors in Table 4 to convert capacities for other gases.

Electrical Ratings: voltage and frequency: 24 Vac, 50/60 Hz.

Current Draw: 0.7A.

Capacity: See Table 3.

Approvals:

American Gas Association Design Certificate: UP-70-69A

Canadian Gas Association Design Certificate: UP-70-69A.

Australian Gas Association Certificate: Applied for.

Delta C: Applied for.

Table 4. Gas capacity conversion factors

 

 

Multiply listed

Gas

Specific gravity

capacity by

Manufactured

0.60

0.516

 

 

 

Mixed

0.70

0.765

 

 

 

Propane

1.53

1.62

 

 

 

Place Bar Code Here

69-0625—03

Image 1
Contents Application SpecificationsInstall Adapters to Gas Control InstallationUsing Adapters to Solve Swing Radius Problems Converting Between Natural and LP GasInstall the Gas Control Install Piping to the Gas ControlChoose Gas Control Location Connect Pilot Gas TubingGas Control Knob Settings WiringStartup and Checkout Turn on the SystemLimit Check and Adjust Gas Input to Main Burner Adjust the Pilot Burner FlamePerform Gas Leak Test Check Safety and Shutdown Performance MaintenanceAutomation and Control Solutions ServiceInstructions to the Homeowner Turning off the Appliance

VR8304 specifications

The Honeywell VR8304 is a sophisticated and reliable gas valve designed for use in residential and commercial heating applications. This integrated system is primarily used in conjunction with gas-fired appliances such as furnaces, boilers, and water heaters, offering improved efficiency and performance.

One of the standout features of the VR8304 is its dual combination of safety and comfort, thanks to its electronic ignition and safety shutoff mechanisms. This gas valve is equipped with a built-in pilot safety system that ensures safe operation. In the event of a failure in the ignition system, the VR8304 automatically shuts off the gas flow, preventing any potential hazards.

The unit is designed for compatibility with natural gas or propane, making it versatile for various heating needs. It utilizes a robust solenoid-operated design, which enhances its responsiveness. The VR8304 also boasts a high heat capacity, allowing it to efficiently handle significant gas flow for both heating and domestic hot water applications.

One of the technological advancements found in the VR8304 is its adaptive control features. The valve can adjust the gas flow rate depending on the demand, which not only optimizes fuel efficiency but also enhances the comfort of the environment by maintaining consistent temperature levels.

Installation of the VR8304 is straightforward due to its compact size and intuitive design. It fits standard piping configuration, reducing the need for complex adjustments or modifications during installation. Furthermore, its durable construction ensures long-lasting performance, with resistance to common issues such as corrosion and wear.

Another important characteristic of the Honeywell VR8304 is its low operating pressure combined with extended operating range. This ensures effective operation across various environmental conditions and helps maintain system integrity over time.

Finally, the Honeywell VR8304 is backed by robust customer support and service options, ensuring users have access to assistance and information to maximize their system's efficiency and safety. In conclusion, the Honeywell VR8304 stands out as a highly efficient, durable, and versatile gas valve for any heating application. Its innovative features and technologies provide both safety and performance, making it a top choice among HVAC professionals and homeowners alike.