Air-cooled units will come with some SAE 30wt. You will want to check the level and add more if necessary during the installation. Liquid-cooled units are shipped with oil and coolant. No additional oil needs to be added during installation. Always check the manual for each specific model as oil recommendations change depending on the model. Our oil recommendations are based on climate or temperature. For areas with seasons, synthetic 5W can be used year-around, but is not recommended in very cold temperatures.
Oil recommendations are based on temperature, but synthetic oil is a good option because it doesn't degrade or "sludge" like standard oil. It also has better lubrication properties and stands up better to high temperatures in the engine. Current model air-cooled units do not require a break-in period.
They can be switched to synthetic or any weight oil immediately. Older air-cooled product required an eight-hour break-in period. The unit should run for eight hours exercise or while powering the house before switching to synthetic. Please check your owner's manual to see if this was required for the particular unit. Troubleshooting What's the best way to troubleshoot my home standby generator? We are limited as to the troubleshooting we are able to do without potentially damaging the product or voiding the warranty of the product if applicable.
Contact your local dealer for service if issues persist. Installation What are the installation clearance requirements for standby generators? They must be a minmum of five feet from any openings in the walls i. The minmum distance from the top of the unit is also five feet. Our air-cooled home standby generators require a minmum of 18 inches of clearance from the backside of the generator where the electric and gas inlets are located and a minmum of 36 inches of clearance on all other sides intake ,exhaust and from front side.
Generac liquid-cooled home standby generators, as well as CorePower Series and portable units, require a minimum of 36 inches of clearance from any non-combustible surfaces i. Products with a digital control panel manufactured in or later require an activation code before the unit can be operated in automatic mode.
The unit will only run in manual mode if not activated to get the activation code. Register the product on either generac. Periodically clean generator exterior surfaces. A soft brush may be used to loosen caked on dirt. Use a vacuum system or dry, low pressure air to remove any accumulations of dirt. The established intervals in the schedule are the maximum recommended when the unit is used in an average service application.
They will need to be decreased performed more frequently if the unit is used in a severe application. Use calendar time from the previous maintenance interval to determine the next required maintenance interval. Page 21 Maintenance Level 1 Tasks Recom- mended to be done monthly 1. Disable the unit from operating per the first page warning. Check the engine oil level.
Adjust as necessary. Check the engine coolant level. Check the engine coolant thermal protection level. Page 22 Maintenance Level 1 Tasks Recom- mended to be done monthly Initiate an automatic start and transfer of the unit to site load and exercise it for at least 1 hour looking for leaks, loose connections or components, and abnormal operating conditions.
Engine cranks but won't start Engine starts hard, runs rough. Engine starts then shuts down. Standby Generator Sets Troubleshooting 1. Page 24 Standby Generator Sets Notes Page 25 Standby Generator Sets Notes Transfer Switch is highly recommended to be used in conjunction with the genset.
Transfer Switch is substituted for use and directly causes damage to the genset, no warranty coverage shall apply. In such a converter, heated engine coolant is ported through the converter to provide the necessary heat for conversion of the fuel from a liquid to a gaseous state. Rotor Insulation Stator Insulation Total Harmonic Distortion KW rating is based on LPG fuel and may derate with natural gas.
Excitation System Cylinders and Arrangement Compression Ratio Lifter Type HP at rated kW Type of Oil Pump Fan Speed Fan Diameter Fan Mode Static Battery Charger System Voltage For cold climates, optional cold weather kit part number 0F is recommended.
The kit includes:. Turn the main gas supply off. Remove the carburetor fuel hose from the outlet port Port 1 of the demand regulator Figure 6. Remove the brass hose fitting from the outlet port Port 1 of the demand regulator.
Remove pipe plug from Port 2. Install brass hose fitting into Port 2. Install pipe plug into Port 1. Connect carburetor gas hose to brass fitting. Tighten all clamps and plugs. Make sure fuel supply is of the proper pressure and type for configuration. Reverse the procedure to convert back to natural gas.
The Dip switch inside the control panel must be in the LP or NG position when switching to different fuels. No provision for dual fuel has been made. Serious injury or damage may occur if not configured properly. Please consult an Authorized Dealer with any questions. This generator may be rated at any one of three voltages, either single-phase or three-phase. If there are any questions regarding lead connection, refer to the wiring diagrams at the back of this manual.
Voltage codes apply to the type of stator assembly installed on a particular generator. Four-lead generators see Figure 7. Electrical power is produced in the stator power windings. These windings were connected at the factory to the main circuit breaker as shown in Figure 7. The rated voltage between each circuit breaker terminal is V. The rated voltage between each circuit breaker terminal and the neutral point 00 is V.
The generator is designed to supply 3-phase electrical loads. Electric power is produced in the alternator power windings. The rated voltage between each circuit breaker terminal and the neutral point 00 is either V or V depending on the model. S1 S1. The instructions in this section assume that the standby generator has been properly installed, serviced, tested, adjusted and otherwise prepared for use by a competent, qualified installation contractor.
Before starting the generator for the first time, the installer must complete the following procedures. If this generator is used to supply power to any electrical system normally powered by an electric utility, the National Electrical Code requires that a transfer switch be installed.
The transfer switch prevents electrical backfeed between two different electrical systems. For additional information, see the applicable transfer switch manual for this unit. The transfer switch, as well as the generator and other standby components, must be properly located and mounted in strict compliance with applicable codes, standards and regulations.
Make sure the fuel supply system to the generator a delivers the correct fuel at the correct pressure and b is properly purged and leak tested according to code. No fuel leakage is permitted. This oil should be changed after 30 hours of operation. Also, if the engine is equipped with a mechanical governor, make sure the governor is properly lubricated with clean engine oil.
Prior to initially starting the generator, it must be properly prepared for use. Any attempt to crank or start the engine before it has been properly serviced with the recommended types and quantities of engine fluids oil, coolant, fuel, etc. Have the engine cooling system properly filled with the recommended coolant mixture.
Check the system for leaks and other problems. Check-the engine-fan belt tension and condition prior to placing the unit into service and at recommended intervals. Make sure the generator battery is fully charged, properly installed and interconnected, and ready for use.
Check to ensure that there are no loose electrical connections. Restrain any loose wires to keep them clear of any moving generator set components. For the H and R Open the front door of the control box and remove the 15 Amp ATO fuse in the lower left-hand corner of the control box.
Attach negative battery cable last. Ensure each plug is seated correctly and fully inserted into its receptacle. It must be as listed in the Specifications. The engine should now crank and start. The generator phase rotation must match the utility phase rotation. Run at least 15 minutes on generator power. Make certain all 3-phase loads are functioning correctly correct phase rotation.
Transfer switch will transfer back to Utility and engine will shut down within the given time parameters set up for the specific transfer switch and controller. See page for information on locating the nearest Authorized Service Dealer.
The installer should complete the form and disseminate copies as follows:. Box , Murphy Dr. If the generator was installed in conjunction with a transfer switch capable of manual operation only, the following procedure applies.
A manually operated transfer switch is one that will not provide automatic start-up and does not include an intelligence circuit. For additional information, refer to the applicable control panel manual for this unit, as well as any literature pertaining to the specific transfer switch. Refer to applicable control panel and transfer switch manuals for more information.
Do not proceed until certain that utility source voltage is available to the transfer switch and the transfer switch main contacts are set to UTILITY. Do not attempt manual operation until all power supplies to the transfer switch have been positively turned off, or extremely dangerous - possibly lethal - electrical shock will result. Transfer switch enclosure doors should be kept closed and locked. Only authorized personnel should be allowed access to the transfer switch interior.
Extremely high and dangerous voltages are present in the transfer switch. In order to transfer load from the utility source to the generator, follow these directions:.
Do not crank the engine continuously for longer than 30 seconds, or the heat may. To transfer the load back to the utility power source and shut down the generator, follow these directions:.
If the generator has been installed with an automatic transfer switch, such as an RTS, HTS, or GTS-type transfer switch, the engine may be started and stopped automatically or manually.
Inspect and test fuel system. Check engine ignition system. Test Engine Safety Devices low oil pressure, low coolant level, high coolant temperature. Test engine governor; adjust or repair, if needed. Clean, inspect generator. Air intake and outlet openings in the generator compartment must be open and unobstructed for continued proper operation.
This includes such obstructions as high grass, weeds, brush, leaves and snow. See the installation diagram. The exhaust system parts from this product get extremely hot and remains hot after shutdown. High grass, weeds, brush, leaves, etc. Such materials may ignite and burn from the heat of the exhaust system.
Engine cranking, start up and running are controlled by a solid state Engine Controller circuit board. Battery voltage is delivered to that circuit board via a 15 amp fuse. These overcurrent protection devices will open if the circuit is overloaded. If a circuit breaker opens or a fuse element melts, find the cause of the overload before resetting the circuit breaker or replacing the fuse. Change engine oil and oil filter. After initial change, service engine oil and filter at operating hours or six months, whichever comes first.
Retorque intake and exhaust manifold. Check engine DC alternator. Check engine compression. Check engine crankcase oil level Figure Add the recommended oil to bring oil level up to the FULL mark.
Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. Generac 20kW User Manual Download for 1. This manual should remain with the unit. Standby Generator Sets Table of Contents.
WARNING: The engine exhaust from this product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. DANGER Despite the safe design of this generator, operating this equipment imprudently, neglecting its maintenance or being careless can cause possible injury or death.
Their definitions are as follows: DANGER After this heading, read instructions that, if not strictly complied with, will result in personal injury or property damage.
NOTE: After this heading, read explanatory statements that require special emphasis. This symbol points out potential fire hazard. Generator Model and Serial Number This number is the key to numerous engineering and manufacturing details pertaining to your unit.
Standby Generator Sets Equipment Description. DANGER Do not remove the radiator pressure cap while the engine is hot or serious burns from boiling liquid or steam could result. NOTE: If the fault is not corrected, the overcrank feature will continue to activate.
NOTE: Any piping used to connect the generator to the fuel supply should be of adequate size to ensure the fuel pressure NEVER drops below five inches water column for natural gas or 5 inches water column for propane vapor for all load ranges.
NOTE: It is the responsibility of the installer to make sure that only the correct recommended fuel is supplied to the generator fuel system. Standby Generator Sets Specifications. Synchronous Rotor Insulation Class F Stator Insulation Class F Total Harmonic Distortion Sealed Ball Coupling
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