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F

0.6"-1"

1.3"

19.5"

28.2"

8.5"

45"

40.1"

8.7"

8.5"

24.2"

3.9"

AA

VK

GAS

RK

ST

B

AL

RK

XRK

XAA

YAA

AKO

55.1"

59.7"

A

TM

Front View

Side View

Rear View

Top View

GB312 Series

Model

GB312/90

GB312/120

GB312/160

GB312/200

GB312/240

GB312/280

Performance Data

Gas Input (MBH)

328.3

440.5

588.3

732.6

880.7

1,028.8

Gross IBR Output (MBH)

305

409

544

676

810

944

Input at Minimum Capacity

132

132

176

220

264

309

Output at Minimum Capacity 

131

131

173

217

261

306

Net IBR Rating (MBH) 

265

356

473

588

705

821

Thermal Efficiency

93.1%

92.8%

92.5%

92.3%

92.0%

91.7%

Combustion Efficiency

93.4%

93.1%

92.8%

92.5%

92.2%

92.0%

Boiler Horse Power

9.1

12.2

16.2

20.2

24.2

28.2

Fireside Pressure Drop (Inch WC)

0.49

0.63

0.89

0.97

1.22

1.44

MAWP (PSI)

50

50

50

50

50

50

Minimum Gas Pressure (Inch WC)

Maximum Gas Pressure (Inch WC)

10½

10½

10½

10½

10

10½

Operating Temperature 

180˚F

180˚F

180˚F

180˚F

180˚F

180˚F

Maximum Temperature Limit 

200˚F

200˚F

200˚F

200˚F

200˚F

200˚F

Piping Connections

Flue Pipe Diameter (

AA

)

6"

6"

6"

8"

8"

8"

Dimension (

YAA

)

18½"

18½"

18½"

19½"

19½"

19½"

Dimension (

ZAA

)

5¾"

5¾"

5¾"

12¼"

12¼"

12¼"

Combustion Air Pipe Diameter (

AL

)

4"

4"

4"

4"

4"

4"

Connections (

VK

 and 

RK

)

2½" NPT

2½" NPT

2½" NPT

2½" NPT

2½" NPT

2½" NPT

Connection (

ST

) (B-kit)

¾" NPT

¾" NPT

¾" NPT

¾" NPT

¾" NPT

1" NPT

GAS

 Connection Size

1" NPT

1" NPT

1" NPT

1¼" NPT

1¼" NPT

1¼" NPT

Physical Dimensions

# of Heat Exchanger Sections

4

4

5

6

7

8

Dimension (

XAA

)

13

1

/

8

"

13

1

/

8

"

15

1

/

8

"

17¼"

19¼"

21¼"

Dimension (

XRK

 (= 

XAL

 = 

GAS

)

10

5

/

8

"

10

5

/

8

"

14¾"

10

5

/

8

"

14¾"

10

5

/

8

"

Dimension (

A

)

51½"

51½"

51¼"

51¼"

51¼"

51¼"

Height 

59¾"

59¾"

59¾"

59¾"

59¾"

59¾"

Width (

B

)

39

1

/

8

"

39

1

/

8

"

47

3

/

8

"

47

3

/

8

"

55½"

55½"

Boiler Feet Spacing (

F

)

31½"

31½"

39¾"

39¾"

48"

48"

Dry Weight (lbs.)

455

455

530

585

665

730

Approx. Water Content (gal.)

4.2

4.2

5.3

6.3

7.1

7.9

ØAA 

  - Flue Connection

   

GAS  

- Gas Connection 

 

ST    

 - Safety Valve Connection

AL     

 - Combustion Air Pipe

 

VK  

  - Boiler Supply

 

 

TM   

 - Pressure / Temperature Gauge 

   

AKO  

 - Condensate Drain 

 

RK   

 - Boiler Return

Содержание GB312 Series

Страница 1: ...erus GB312 Series Natural Gas Condensing Boiler High Efficiency 93 1 Thermal Efficiency Modulating Natural Gas Pre mix Burner for Extremely Quiet Operation Lightweight High Performance Aluminium Heat...

Страница 2: ...r natural gas and can be quickly removed for cleaning easy servicing and maintenance Other components are equipped with their own clean outs Although the GB312 delivers a lot it takes up remarkably li...

Страница 3: ...um and large buildings demands more than just heat at the push of a button but the added benefits of security for years to come and greater flexibility The innovative gas fired condensing GB312 boiler...

Страница 4: ...PZ PZB SA SH THV WH Inlet Water Outside Sensor System Flow Sensor Heating Zone Temperature Sensors DHW Tank Sensor Check Valve Expansion Tank Circulation Pump Heating Zone DHW Load Pump Recirculating...

Страница 5: ...ingle boiler installations Options MCM10 cascade module for 4 boiler installations 4000 series controls Accommodates single or multiple boiler installations Can be interfaced to a building management...

Страница 6: ...10 10 10 10 Operating Temperature 180 F 180 F 180 F 180 F 180 F 180 F Maximum Temperature Limit 200 F 200 F 200 F 200 F 200 F 200 F Piping Connections Flue Pipe Diameter AA 6 6 6 8 8 8 Dimension YAA 1...

Страница 7: ...em can not be constructed as a sealed system the use of a heat exchanger as a means of system separation is required Retrofit installations Installing a dirt trap such as a wye strainer is required It...

Страница 8: ...all hung boilers water heaters solar systems heat pumps control systems and tankless water heaters GB312 Benefits at a Glance Excellent value and performance Boiler sizes from 305 to 955 MBH output Mo...

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