Roberts Gorden DAT90, DAT75, DAT100, DAT115 service manual Model 100 115

Page 13

SECTION 4: SPECIFICATIONS

4.3Technical Data Table - Heater Section Appliance Category II 2H/L 3B/P

 

Model

75

90

100

 

115

Heat Input

kW

95

111

119

 

134

Gross Calorific Value

Btu/h x 1000

324

379

406

 

457

Heat Input

kW

86

100

107

 

121

Net Calorific Value

Btu/h x 1000

293

341

365

 

413

Approximate

kW

78

91

98

 

111

Max Heat Output

Btu/h x 1000

266

311

334

 

379

Min Heat Input - Low Fire

kW

66.5

77.7

83.3

 

93.8

Gross Calorific Value

Btu/h x 1000

227

265

284

 

320

Min Heat Input - Low Fire

kW

60.2

70

74.9

 

84.7

Net Calorific Value

Btu/h x 1000

205

239

256

 

289

Min Heat Output - Low Fire

kW

54.6

63.7

68.6

 

77.7

Btu/h x 1000

186

217

234

 

265

 

 

*Combination Fan/Limit Thermostat Settings

 

 

 

 

 

Set Point 1 Fan OFF Temp.

°C

 

 

30

 

 

Set Point 2 Fan ON Temp.

°C

50

45

 

45

Set Point 3 Limit Temp.

°C

85

70

 

75

Secondary Limit Thermostat

°C

 

 

75

 

 

Natural Gas (G20) Data - Inlet Pressure 20 mbar Min 17 mbar Max 25 mbar

 

 

Max Burner Pressure

mbar

6.6

6.0

6.2

 

6.3

Max Gas Flow Rate

m3/h

9.0

10.5

11.3

 

12.8

ft3/h

319

371

398

 

451

 

 

Min Burner Pressure - Low Fire

mbar

3.23

2.9

3.0

 

3.1

Min Gas Flow Rate

m3/h

6.30

7.4

7.9

 

9.0

ft3/h

222.5

259.6

279.3

 

316.4

 

 

Natural Gas (G25) Data - Inlet Pressure 25 mbar Min 20 mbar Max 30 mbar

 

 

Max Burner Pressure

mbar

10.0

9.3

9.2

 

10.2

Max Gas Flow Rate

m3/h

9.49

11.06

11.86

 

13.43

ft3/h

335.1

391

419

 

474

 

 

Min Burner Pressure - Low Fire

mbar

4.9

4.6

4.5

 

5.0

Min Gas Flow Rate

m3/h

6.64

7.74

8.30

 

9.40

ft3/h

234.6

273.4

293.2

 

332.0

 

 

LPG Gas Propane (G31) Data - Inlet Pressure 37 mbar (Alternative where permitted 50 mbar) Minimum 25 mbar Maximum 57.5 mbar

Max Burner Pressure

mbar

25.6

27.3

 

25.3

25.9

 

m3/h

3.51

4.09

 

4.39

4.97

Max Gas Flow Rate

kg/h

6.5

7.58

 

8.13

9.21

 

liquid l/h

12.8

14.9

 

16.0

18.1

Min Burner Pressure - Low Fire

mbar

12.5

13.4

 

12.4

12.7

 

m3/h

2.46

2.86

 

3.07

3.48

Min Gas Flow Rate

kg/h

4.55

5.31

 

5.69

6.45

 

liquid l/h

8.96

10.43

 

11.20

12.67

LPG Butane (G30) Data - Inlet Pressure 29 mbar Min 20 mbar Max 35 mbar

 

 

Max Burner Pressure

mbar

18.3

19.4

 

18.3

18.7

 

m3/h

2.65

3.09

 

3.32

3.75

Max Gas Flow Rate

kg/h

6.5

7.55

 

8.09

9.17

 

liquid l/h

11.3

13.2

 

14.1

16.0

Min Burner Pressure - Low Fire

mbar

9.0

9.5

 

9.0

9.2

 

m3/h

1.86

2.16

 

2.32

2.63

Min Gas Flow Rate

kg/h

4.53

5.29

 

5.66

6.42

 

liquid l/h

7.91

9.24

 

9.87

11.20

Gas rates corrected to standard conditions 1013.25 mbar 15°C.

*See Page 44, Figure 19 for detailed Combination Fan/Limit Thermostat settings.

7

Image 13
Contents DualAir Page Roberts-Gordon, LLC Page Table of Figures Page Product Approval Installer Responsibility Heater SafetyClearances to Combustibles Corrosive ChemicalsCritical Considerations 3.1 Basic Information Minimum Required Installation ClearancesLocation and Suspension All models VentilationInstallation Clearances and Clearances to Combustibles Front View Left Version Specifications 4.1 DATModel 100 115 Fan Data General Technical Data TableModel 100 115 2 DAT100 and 115 4 kW motor Handling Heater Installation 5.1 GeneralShelf Mounting and Suspension Type B22 Appliance Flue Installation 6.1 Flue InstallationAir Intake Terminal Cover Flue ConversionControl Section & Upper Panel Vertical and Horizontal Flue Termination Type B22 Appliance Open Flued Installation Room Sealed InstallationAIR Supply Building VentilationDepartment for recommendations regarding Optional Heater Configurations 8.1 Distribution DuctDuct resistance and design. Tel +44 0 121 7700Connections GAS PipingRemote Control Wiring and Electrical InformationSee Page 17, .3 through Page 18, Section ModelsNumber See Page 20, Section DAT Wiring DiagramSite wiring connections shown DAT Site Connections at Main Circuit Board Commissioning Automatic Burner Control Box Sequence Commissioning the Gas Valves Combustion TestingCommissioning the Gas Valve Set Minimum PressureTurning Off the DualAir Unit Pressure SwitchComplete the Commissioning Instruction to the UserCommon User Controls Combination Fan/Limit Thermostat Heater OperationSee Page 7, .3 and Page 8, Figure Secondary Limit ThermostatSimple Fault Finding Burner Lockout Reset ButtonSimple Fault Finding burner faults Cooling Section OperationIf you smell gas 13.3 Fan/Motor Assembly Maintenance Burner MaintenanceHeat Exchanger Maintenance Servicing 13.1 Servicing InstructionsGas Control Valve Maintenance Burner Conversion Conversion Between Gases 14.1 GeneralGas Valves Conduct Commissioning procedure as shown on Page 21, Section Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsStart Troubleshooting for Flame Supervision SystemTroubleshooting for Main Fan Troubleshooting for Solenoid ValvesConduct Commissioning procedure as on Page 21, Section Troubleshooting for Fan ContactorGas Valve Replacement all models Removal and Replacement PartsBurner Components Gas ValveBurner Injectors Burner CompartmentIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter See Page 21, Section Heater Pressure SwitchCoil Pressure Switch Pressure SwitchesFilter Pressure Switch 16.7.1 S4563C Ignition ControlFan Motor Removal Fan Removal and Replacement BREAK-OFF Link Must be Removed Page Some objects can catch fire or explode when placed
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