Natural Gas Orifice and Altitude Tables

 

 

 

6,001 to 8,000 Feet

8,001 to 10,000 Feet

 

 

 

Requires Pressure Switch

Requires Pressure Switch

Factory

Gas Heat*

Up to 6,000 Feet No

Change and Orifice

Change and Orifice

Standard

Value

Changes Except

Change

Change

Input

BTU/Cu. Ft.

for BTU Content

Based on BTU Content

Based on BTU Content

25000 BTU

700-749

2.90

2.80

2.70

 

Per Burner

 

 

 

 

 

750-799

2.80

2.70

2.60

 

 

 

 

 

 

 

 

 

 

800-849

2.70

2.60

2.50

 

 

 

 

 

 

 

 

850-899

2.60

2.50

2.45

 

 

 

 

 

 

 

 

900-949

2.50

2.45

(2.40)

 

 

 

 

 

 

 

 

950-999

2.45

(2.40)

2.35

 

 

 

 

 

 

 

 

1000-1049**

(2.40)

2.35

[2.30]

 

 

1050-1100

[2.30]

2.25

2.20

 

 

 

 

 

 

 

Pressure Switch

Standard (.55)

Order 8620-189 High Altitude Pressure Switch Kit (.42)

 

(2.40) is the standard factory installed orifice size

[2.30] orifices are shipped with the unit for field installed

 

 

 

optional 10% derate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6,001 to 8,000 Feet

8,001 to 10,000 Feet

Optional

 

 

Requires Pressure Switch

Requires Pressure Switch

10% Field

Gas Heat*

Up to 6,000 Feet No

Change and Orifice

Change and Orifice

Converted

Value

Changes Except

Change

Change

Derate

BTU/Cu. Ft.

for BTU Content

Based on BTU Content

Based on BTU Content

22500 BTU

700-749

2.75

2.70

2.60

 

Per Burner

 

 

 

 

 

750-799

2.70

2.60

2.50

 

 

 

 

 

 

 

 

 

 

800-849

2.60

2.50

 

 

 

 

 

 

 

 

 

850-899

2.50

2.45

(2.40)

 

 

 

 

 

 

 

 

900-949

(2.40)

2.35

[2.30]

 

 

 

 

 

 

 

 

950-999

2.35

[2.30]

2.25

 

 

 

 

 

 

 

 

1000-1049**

[2.30]

2.25

2.20

 

 

 

 

 

 

 

 

1050-1100

2.25

2.25

2.20

 

 

 

 

 

 

 

Pressure Switch

Standard (.55)

Order 8620-189 High Altitude Pressure Switch Kit (.42)

 

[2.30] orifices are shipped with the unit for field

(2.40) is the factory installed orifice size for full rated input

installed optional 10% input rate.

 

 

 

*At standard conditions: 30.00 inches Mercury, 60F, saturated, .60 specific gravity.

**All Natural Gas factory orifice sizing and standard input ratings based on nominal 1025 BTU/cu ft gas and sea level conditions

All other orifice sizes shown are available as individual items. See Orifice charts below for part numbers and number required.

Bard Part No.

Orifice Size (mm)

Orifice Diameter

 

 

 

9010-092

2.10

0.0826

 

 

 

9010-088

2.15

0.0846

 

 

 

9010-087

2.20

0.0866

 

 

 

9010-086

2.25

0.0885

 

 

 

9010-082

2.30

0.0905

 

 

 

9010-085

2.35

0.0925

 

 

 

9010-079

2.40

0.0945

 

 

 

9010-084

2.45

0.0964

9010-093

2.50

0.0984

 

 

 

9010-094

2.60

0.1024

 

 

 

9010-095

2.70

0.1063

 

 

 

9010-096

2.75

0.1082

 

 

 

9010-097

2.80

0.1102

 

 

 

9010-098

2.90

0.1142

 

 

 

No. of Orifices Required

Based on Unit Input Rating

45,000 (2)

50,000 (2)

68,000 (3)

75,000 (3)

90,000 (4)

100,000 (4)

113,000 (5)

125,000 (5)

Form No.

S3396-1112

Supersedes

S3396-212

Page

8 of 12

Page 8
Image 8
Bard WG3S1, WG4S1, WG5S1 warranty Natural Gas Orifice and Altitude Tables, Bard Part No, Orifice Diameter

WG3S1, WG5S1, WG4S1 specifications

Bard WG4S1, WG3S1, and WG5S1 are innovative models of ductless mini-split air conditioning systems that provide efficient heating and cooling solutions for both residential and commercial applications. These systems are designed to enhance comfort while promoting energy savings, making them popular choices among consumers looking for sustainable climate control options.

The Bard WG4S1 model stands out for its versatility and adaptability, featuring a sleek design that allows for installation in various environments. Its compact size does not compromise its performance. This model incorporates inverter technology, which enables the system to adjust its power output based on demand, resulting in reduced energy consumption and quieter operation. Additionally, the WG4S1 is equipped with advanced air filtration systems that trap and eliminate impurities from the air, ensuring a healthier indoor environment.

WG3S1 is notable for its high-performance cooling capabilities, making it ideal for warmer climates. This model leverages a powerful compressor that delivers rapid and efficient cooling without creating excessive noise. Its user-friendly interface allows for easy temperature adjustments, while programmable settings enable users to optimize energy use according to their schedules. The WG3S1 also comes with a robust remote control feature, enabling convenient adjustments from anywhere in the room.

Meanwhile, the WG5S1 model caters to larger spaces, offering higher capacities that ensure consistent temperature control across vast areas. With dual-zone functionality, it allows for independent climate control in different sections of a building. This model is engineered with durable materials intended to withstand varying environmental conditions, making it suitable for both residential and commercial installations. The WG5S1 also integrates smart technology, with compatibility for home automation systems that can enhance user convenience and energy management.

All three models focus on energy efficiency, often meeting or exceeding regulatory standards for energy consumption. They also offer flexible installation options, allowing for both wall-mounted and ceiling-recessed setups. The refrigerants used in Bard WG series are environmentally friendly, aligning with global efforts to reduce the carbon footprint of HVAC systems.

In summary, Bard WG4S1, WG3S1, and WG5S1 represent a family of high-performing, energy-efficient ductless mini-split systems. With their advanced features, robust technology, and sustainable practices, they deliver superior comfort and convenience for users while promoting environmental responsibility. Whether for a cozy home or a spacious commercial facility, these models cater to diverse heating and cooling needs effectively.