Rheem GEN16AD-E Fuel Consumption, LP Vapor Propane, Natural Gas, LP Vapor Natural Content of Fuel

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Fuel Consumption

Estimated fuel supply requirements at half and full load for natural gas and LP vapor fuels are shown below.

LP Vapor (Propane)

 

 

20kW

17kW

15kW

 

 

 

 

 

 

Cu Ft/Hr

135

118

109

Full Load

 

 

 

 

Gal/Hr (liquid)

3.75

3.28

3.03

 

BTU/Hr

337500

295000

272500

 

 

 

 

 

 

Cu Ft/Hr

109

99

90

 

 

 

 

 

3/4 Load

Gal/Hr (liquid)

3.03

2.75

2.5

 

 

 

 

 

 

BTU/Hr

272500

247500

225000

 

Cu Ft/Hr

83

74

68

 

 

 

 

 

1/2 Load

Gal/Hr (liquid)

2.31

2.06

1.89

 

 

 

 

 

 

BTU/Hr

207500

185000

170000

 

Cu Ft/Hr

56

54

51

 

 

 

 

 

1/4 Load

Gal/Hr (liquid)

1.56

1.5

1.42

 

 

 

 

 

 

BTU/Hr

140000

135000

127500

 

 

 

 

 

 

Cu Ft/Hr

40

40

40

Exercise

Gal/Hr (liquid)

1.11

1.11

1.11

 

 

 

 

 

 

BTU/Hr

100000

100000

100000

 

 

 

 

 

Natural Gas

 

 

20 kW

17 kW

15kW

 

 

(18 kW)

(14.4 kW)

(13.5 kW)

Full Load

Cu Ft/ Hr

260

248

240

 

 

 

 

BTU / Hr

260000

248000

240000

 

 

 

 

 

 

3/4 Load

Cu Ft/ Hr

240

218

210

 

 

 

 

BTU / Hr

240000

218000

210000

 

1/2 Load

Cu Ft/ Hr

187

170

156

 

 

 

 

BTU / Hr

187000

170000

156000

 

 

 

 

 

 

1/4 Load

Cu Ft/ Hr

135

128

119

BTU / Hr

135000

128000

119000

 

 

 

 

 

 

Exercise

Cu Ft/ Hr

99

99

99

 

 

 

 

BTU / Hr

99000

99000

99000

 

 

 

 

 

 

Recommended Energy

LP Vapor

Natural

Content of Fuel

 

Gas

Heating Value:

 

 

BTU per gallon (gross**)

91,547

 

Cubic feet (gas)

2,500

1,000

 

 

 

Fuel Pressure

Both LP vapor and natural gas fuel supply pressure at the generator’s fuel inlet port should be between the following levels at full load with all gas appliances turned on

and operating.

t /(JTw8$

t -1JTw8$

Ensure that all gas line shutoff valves are OPEN and that adequate fuel pressure is available whenever automatic operation is desired.

Power Loss

Air density is less at high altitudes, resulting in less available engine power. Specifically, engine power will decrease 3.5% for each 1,000 feet (300 meters) above sea level and 1% for each 10° F (5.6°C) above 77°F (25°C). Make sure you and your installer consider these factors when determining total generator load.

Fuel Pipe Sizing

There are numerous on-line or otherwise-published references for fuel pip sizing. For example, NFPA 54-Natural Fuel Gas Code, 2006 (Item #: 320-6031-06) is a common resource.

The installer should consider the specific gravity of gas and compensate for a nominal amount of restriction from bends, fittings, etc. If an unusual number of fittings, bends, or other restrictions are used, refer to federal and local codes

for guidance.

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Contents Generator Systems For Future Reference Date of Purchase GeneratorEngine Table of Contents Safety Symbols and Meanings Important Safety InstructionsFlammable and explosive, which could cause  Tie up long hair and remove jewelry Equipment Description Installing Dealer/Contractor ResponsibilitiesOwner Responsibilities Cold Weather KitUnpacking Precautions Shipment ContentsDelivery Inspection Installing Contractor Information Installation ChecklistOwner Information Unit InformationIntentionally Left Blank Exhaust Side of the Generator Generator Placement t &OTVSFFYIBVTUHBTJTLFQUBXBZGSPN Windows C doors Other General Location Guidelines Placement of Standby Generator to Reduce the Risk of Fire RequirementsAnnex a Explanatory Material AAA Generator InstallationsElectrical and Fuel Inlet Locations Concrete Anchoring of Unit Lifting the GeneratorAccess Ports To secure battery panel To remove battery panelTo open roof To remove front panel t 8IFSFMPDBMDPOEJUJPOTJODMVEFFBSUIRVBLF Gaseous Fuel SystemPower Loss LP Vapor Natural Content of FuelFuel Consumption LP Vapor PropaneFuel Conversion System Connectors Generator AC Connection System Transfer Switch Communication Generator Power ConnectionGrounding the Generator Utility Circuit ConnectionGenerator Operation Control Buttons System Control PanelMenu MenuSET Time General Set Up ScreenAutomatic Mode Control Panel PromptsGeneral System Parameters Prompts as outlined below Advanced Settings ScreenFinal Installation Considerations Service Code Detection SystemBattery Battery Standard Cold Start SpecificationsInitial Start-up No Load Electronic Governing Check Electronic Governor SystemAutomatic Operation Sequence Setting Exercise TimerAntenna Installation # of flashes Service needed Wireless MonitorSystemSYSTEM UPDATEupdate Wireless Monitor OperationWireless Monitor Status LED’s Installation InspectionStandard Operation OtherSchematic Diagram Schematic / Wiring DiagramsOn Some UNITS, Wire 1 MAY Also be Labeled AS Wire Wiring Diagram

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