Table of Contents
Related Manuals for Rheem GEN12S
Summary of Contents for Rheem GEN12S
- Page 1 Installation and Start-Up Manual GEN12S, GEN15S, GEN20B & GEN25B 12000 / 15000 Watt Residential Generator System Questions? Help is just a moment away! Call: Home Generator Helpline (877) 369-9400 M-F 8-5 CT Manual No. 202113GS Rev. - (01/03/07)
- Page 2 Thank you for purchasing this quality-built Rheem / Ruud home standby generator. We are pleased that you’ve placed your confidence in the Rheem or Ruud brand. When operated and maintained according to the instructions in this manual, your Rheem / Ruud generator will provide many years of dependable service.
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Page 3: Table Of Contents
Maintenance ......... . . 20 Schematic and Wiring Diagram for Models GEN12S and GEN20B ..20 Schematic and Wiring Diagram for Models GEN15S and GEN25B . -
Page 4: Important Safety Rules
Save These Instructions Important Safety Rules WARNING The safety alert symbol ( ) is used with a signal word Storage batteries give off explosive hydrogen gas (DANGER, CAUTION, WARNING), a pictorial and/or a safety during recharging. message to alert you to hazards. DANGER indicates a hazard Slightest spark will ignite hydrogen and cause which, if not avoided, will result in death or serious injury. - Page 5 WARNING WARNING Generator produces hazardous voltage. Propane and Natural Gas are extremely flammable Failure to properly ground generator can result in and explosive. electrocution. Fire or explosion can cause severe burns or Failure to isolate generator from power utility can death.
- Page 6 • DO NOT wear loose clothing, jewelry or anything that may be • If you have questions about intended use, ask dealer or contact caught in the starter or other rotating parts. Rheem. • Tie up long hair and remove jewelry. • Operate generator only on level surfaces.
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Page 7: Installation
Installation Unpacking Precautions The unit is shipped bolted to its mounting pad, ready for Equipment Description installation. Avoid damage from dropping, bumping, collision, etc. Store and unpack carton with the proper side This system is intended for use as an optional residential up, as noted on the shipping carton. -
Page 8: Generator Location
Generator Location General Location Guidelines • Install the unit outdoors ONLY. WARNING • Place the unit in a prepared location that is flat and has provisions for water drainage. Exhaust heat/ gases can ignite combustibles or • Install the unit in a location where sump pump structures causing a fire. -
Page 9: Lifting The Generator
Recommended Conduit Attachment Area Fuel Piping Connector 3/4” NPT Figure 2 — Generator Fuel and Conduit Attachment Locations, Oil Fill Side of Unit Lifting the Generator Two 48” lengths of 1” pipe (supplied by the installer) are required to lift the generator manually. Insert pipes through The generator weighs more than 560 pounds. -
Page 10: Access Doors
Access Doors The Gaseous Fuel System The generator system is equipped with an enclosure that has WARNING three access doors (Figure 4). The doors are named for a significant component located behind them. Starting with the Propane and Natural Gas are extremely flammable side that has the fuel connection and proceeding clockwise, and explosive. - Page 11 • Install the flexible, gaseous hose (supplied) between The generator system has been factory set to run on the generator system Fuel Inlet port and rigid piping to natural gas. If you need to change from natural gas to LP prevent thermal expansion or contraction from causing gas, the unit will need to be reconfigured, as described later excessive stress on the piping material.
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Page 12: Fuel Consumption
Fuel Consumption Fuel Pipe Sizing See Figure 7 for estimated fuel supply requirements at half Figures 8 and 9 provide the maximum capacity of pipe in and full load for both natural gas and LP vapor. cubic feet of gas per hour for gas pressures of 0.5 psi or less and a pressure drop of 0.3 in. -
Page 13: Fuel Comparison Chart
Fuel Comparison Chart The fuel comparison chart shown below is provided for your reference. Physical Properties Propane Natural Gas Normal Atmospheric State Boiling Point (in °F): Initial -259 -259 Heating Value: BTU per gallon (Net LHV*) 83,340 63,310 BTU per Gallon (Gross**) 91,547 Cubic Feet (Gas) 2,500... -
Page 14: System Connections
System Connections Compare this illustration with your generator to familiarize yourself with the location of these important connections: 10 Pole Connector Fault Contacts Transfer Switch Communication Remote LED Output +12 Volt DC, .5 Amp Output 2 Pole Connector 240 Volt Utility Wiring for the 10 Pole Connector: Wiring for the 2 Pole Connector: •... -
Page 15: System Ac Connections
System AC Connections Grounding the Generator A single-phase, three-wire AC connection system is used in Ground the generator system per applicable codes, the generator system. The stator assembly consists of a pair standards, and regulations. The generator GND lug is located of stationary windings with two leads brought out of each inside the control panel door under the circuit breaker cover. -
Page 16: System Control Panel
System Control Panel Oil Considerations Your generator system is equipped with an engine that has Figure 11 depicts the generator system control panel, located been pre-run at the factory. inside the generator housing. Below are brief descriptions of the controls used during installation. More information may NOTICE be found in the Operator’s Manual. -
Page 17: Fuel System Selection
6. Connect negative battery cable to negative battery WARNING terminal (indicated by NEGATIVE, NEG, or (-). Storage batteries give off explosive hydrogen gas 7. Ensure hardware on both positive and negative battery during recharging. terminals is secure. Slightest spark will ignite hydrogen and cause 8. -
Page 18: Initial Start-Up (No Load)
For a 15kW Generator: Initial Start-Up (No Load) 4. Remove cap from LP inlet on T-valve (Figure 13). Begin testing the system without any electrical loads connected, as follows: 1. Set generator’s main circuit breaker to its ON (closed) position. 2. -
Page 19: Engine Adjustment
Engine Adjustment 8B. For a 15kW generator, normal no load frequency is 62.0 to 62.5 Hz. If adjustment is needed at no load, There are regional variances in the composition of natural slowly rotate the governor adjustment screw gas. Each generator system is adjusted at the factory for NG (Figure 16) clockwise and/or counterclockwise until operation. -
Page 20: Controls
Controls Setting Exercise Timer The generator system is equipped with an exercise timer that All generator system controls are fully described in the will start and exercise the system once every seven days. Operator’s Manual. Please refer there for full information. During this exercise period, the unit runs for approximately 20 minutes and then shuts down. -
Page 21: Notes
Notes... -
Page 22: Maintenance
Schematic and Wiring Diagram for Models GEN12S and GEN20B... -
Page 23: Schematic And Wiring Diagram For Models Gen15S And Gen25B
Schematic and Wiring Diagram for Models GEN15S and GEN25B...