QHT B3-B9 installation instructions Gas Burner Setup

Page 20

8.2 Gas Burner Setup

This page is only for boilers using a gas burner. If an oil burner is being used, please refer to page 18 for the proper setup of the burner.

Riello

 

 

 

 

 

 

 

Natural Gas

 

 

 

 

 

 

Propane

 

 

 

 

 

Boiler Model

 

Burner Model

Input

 

Man. Pres.

 

Head

 

Air

 

Man. Pres.

 

Head

 

Air

 

 

 

 

 

 

 

 

(MBH)

 

(W.C.)

 

Setting

 

Gate

 

(W.C.)

 

Setting

 

Gate

 

 

B-4

 

 

R200

110

 

1.06”

 

2.2

 

 

1

 

1.32”

 

2

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-5

 

 

R200

140

 

1.20”

 

2.8

 

 

2

 

1.76”

 

2.7

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-6

 

 

R200

175

 

1.46”

 

2.8

 

 

3

 

2.34”

 

2.9

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-7

 

 

R400

207

 

1.22”

 

2

 

 

0

 

1.48”

 

2

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-8

 

 

R400

248

 

1.26”

 

2.3

 

 

1

 

1.64”

 

2.3

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat

 

 

 

 

 

 

Natural Gas

 

 

 

 

 

 

Propane

 

 

Wise

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Boiler

 

Burner

 

Input

Man. Pres.

Head

 

Air

 

Orifice

 

Man.

 

Head

 

Air

 

Orifice

Model

 

Model

 

(MBH)

(W.C.)

Setting

 

Gate

 

 

 

 

Pres.

 

Setting

 

Gate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(W.C.)

 

 

 

 

 

 

 

 

 

B-3

 

SU-2A

 

80

3.5”

18

 

closed

 

3/16

 

2.0”

 

22

 

closed

 

3/16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-4

 

SU-2A

 

115

3.5”

12

3

 

7/32

 

2.3”

 

12

 

3

 

7/32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-5

 

SU-2A

 

140

3.2”

15

8.3

 

9/32

 

1.8”

 

15

 

7.75

 

9/32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-6

 

SU-2A

 

175

3.5”

10

13.5

 

21/64

 

2.3”

 

10

 

13.5

 

21/64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-7

 

SU-2A

 

215

3.3”

3

15

 

27/64

 

2.0”

 

3

 

15

 

27/64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-8

 

 

SU-3

 

272

1.7”

1

3.25

 

No orifice

 

1.3”

 

1

 

3.25

 

No orifice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-9

 

 

SU-3

 

308

2.3”

1

6.75

 

No orifice

 

1.7”

 

2

 

6.5

 

No orifice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Note: These burners may not be used on Biasi equipment in Canada

Note: Consult burner manufacturers literature for gas manifold diagram and controls.

To determine how much gas is coming into the burner, or to set the gas meter correctly, the following formula can be used.

Ft3/hr = [3600/(sec. Per rev.)]*(Size of gas meter)

The chart to the right can be used to determine the flow rate depending upon the time per revolution and the size of the gas meter dial.

Seconds per

 

Size of Gas Meter Dial

 

 

 

(Cubic Foot)

 

Revolution

 

 

 

0.5

 

1

 

2

 

 

 

20

90

 

180

 

360

25

72

 

144

 

288

30

60

 

120

 

240

35

51

 

103

 

206

40

45

 

90

 

180

45

40

 

80

 

160

50

36

 

72

 

144

55

33

 

65

 

131

60

30

 

60

 

120

Page 20

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Contents Manufactured by Biasi S.p.A Verona, Italy Distributed By Phone FAXPage Table of Contents Important Information Please read this page carefullyPage Homeowner Information for Gas To Start UP the ApplianceGas systems only General InformationTrim Kit Components Boiler Block Assembly Do not Over Tighten Draw RodsBoiler Location Installation of Boiler Trim Components Switch Gas systems onlyInstallation of Boiler Trim Components Boiler Tapping DiagramSafety Relief Valve Piping the BoilerIntake Venting Figure a Exhaust Venting Common Exhaust VentingBlocked Flue Switch Gas Venting Gas Burner SetupOil Oil Burner Setup Burner ManufacturerGas Burner Setup Installation of Sediment Trap and Burner Supply Gas Line PipingBoiler Jacket Assembly Wiring 7248U Wiring Procedure Oil Burner Wiring Riello OIL BURNER, SR504, Control Wiring with DHW Priority Riello OIL BURNER, AZ-4P, Control Wiring with DHW Priority Carlin OIL BURNER, SR501, Control Wiring with DHW Priority Page Heatwise SU-2A, SR503, Control Wiring with DHW Priority Page Maintenance CommissioningInstaller Notes System CheckoutPage Page Tear on this Line

B3-B9 specifications

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