Summary of Contents for Generac Power Systems Automatic Standby Generator
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Owner’s Manual Automatic Standby Generator Home Standby Models: 8kW to 20kW NOT INTENDED FOR USE IN CRITICAL LIFE SUPPORT APPLICATIONS. ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION. DEADLY EXHAUST FUMES! OUTDOOR INSTALLATION ONLY! Reference all appropriate documentation. This manual should remain with the unit.
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SERVICE DEALER, please call this number: 1-800-333-1322 or, visit the dealer locator at: www.generac.com/Service/DealerLocator/ WARNING! California Proposition 65 Engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm.
Section 1 INTRODUCTION: Thank you for purchasing this compact, high performance, air-cooled, engine-driven stationary automatic standby generator set. Every effort was made to make sure that the information and instructions in this manual were both accurate and current at the time the man- ual was written.
Never use the generator or any of its parts as a step. Stepping on the unit can stress and break parts, and may result in dangerous operating conditions from leaking exhaust gases, fuel leakage, oil leakage, etc. Automatic Standby Generator Owner’s Manual...
• This is an Automatic Standby Generator, the generator may crank and start at any time when utility is lost. When this occurs, load circuits are transferred to the STANDBY (generator) power source. To prevent injury, before working on this generator (for inspection, service or mainte- nance), always put the generator into the OFF mode and remove the 7.5 Amp fuse from the generator control panel.
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(NEC 702). Failure to isolate an electrical system by such means will result in damage to the generator and also may result in injury or death to utility power workers due to backfeed of electrical energy. Automatic Standby Generator Owner’s Manual...
The control panel contains a display which alerts the operator when a fault condition occurs. The above list is not all inclusive. For more informa- tion about alarms and control panel operation, see Section 3 Operation. Automatic Standby Generator Owner’s Manual...
Natural gas, which is lighter than air, tends to collect in high areas. LP gas is heavier than air and tends to settle in low areas 2.4.4 — Battery Requirements Group 26R, 12V, minimum 525CCA (Generac Part No. 0H3421S). For proper battery maintenance procedures, see Section 4 Maintenance. 2.4.5 — Battery Charger The battery charger is integrated into the control panel module in all models.
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Then, place a “DO NOT OPERATE” tag on the generator panel and on the transfer switch. NOTE: The generator is to be run with all appropriate panels in place, including during troubleshooting by a technician. Automatic Standby Generator Owner’s Manual...
To get to the MENU, use the “Escape” button from any page. It may require pressing it many times before getting to the MENU page. Navigate to ↑ ↓ the desired menu by using the buttons. When the desired menu is displayed and flashing, press the “Enter” button. See Figure 3-3. Automatic Standby Generator Owner’s Manual...
Will not exercise if generator is already running in either AUTO or MANUAL mode. • During exercise, the controller will only transfer if utility fails during exercise for 10 seconds, and will switch to AUTO. Automatic Standby Generator Owner’s Manual...
Allow the engine to stabilize and warm up for a few minutes. Set the Main Circuit Breaker (Generator Disconnect) to its ON (CLOSED) position. The standby power source now powers the loads. Figure 3-4: Manual Transfer Switch Operation Automatic Standby Generator Owner’s Manual...
Red LED “Alarm” light is on when the generator is OFF or a fault is detected and means contact your authorized servicing dealer. • Yellow LED “Maintenance” light. Note: Yellow LED may be on at the same time as either the Red or Green LEDs. Automatic Standby Generator Owner’s Manual...
The exerciser will only work in the AUTO mode and will not work unless this procedure is performed. The current date/time will need to be reset every time the 12 volt battery is disconnected and then reconnected, and/or when the fuse is removed. Automatic Standby Generator Owner’s Manual...
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Maintenance Section 4 NOTE: Proper maintenance and proper and safe operation is crucial to the life of the generator. Genuine Generac parts MUST be used to ensure warranty coverage. NOTE: Since most maintenance alerts will occur at the same time (most have two year intervals), only one will appear on the Control Panel display at any one time.
Never operate the engine with the oil level below the “Add” mark on the dipstick. Doing so could damage the engine. Hot oil may cause burns. Avoid prolonged or repeated skin exposure with used oil. Thoroughly wash exposed areas with soap. Automatic Standby Generator Owner’s Manual...
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4.3.1— Engine Oil Recommendations To maintain the warranty, genuine Generac replacement parts MUST be used, including Generac oil kits (which include an oil and air filter). Gen- erac oil kits can be obtained through an Authorized Dealer or purchased on-line. To purchase on-line, access the maintenance kits page through www.generac.com or directly at shop.generac.com.
Check the spark plug gap using a wire feeler gauge. See Figure 4-3. Adjust the gap by carefully bending the ground electrode to: • For 8, 11, and 20kW units - 0.76 mm (0.030 inch) • For 13, 14, 15, 16, 17kW units - 1.02 mm (0.040 inch) Figure 4-3: Spark Plug Gap Adjustment Automatic Standby Generator Owner’s Manual...
NOTE: Start all four screws before tightening or it will not be possible to get all the screws in place. Make sure the valve cover gasket is in place. • Install spark plugs. • Re-attach the spark plug wire to the spark plug. • Repeat the process for the other cylinder, if necessary. Automatic Standby Generator Owner’s Manual...
Use tools with insulated handles. • Wear rubber gloves and boots. • Do not lay tools or metallic objects on top of the battery. • Disconnect the charging source prior to connecting or disconnecting battery terminals. Automatic Standby Generator Owner’s Manual...
Attach a tag to the engine indicating the viscosity and classification of the new oil in the crankcase. 10. Remove the spark plug(s) and spray a fogging agent into the spark plug(s)’ threaded openings. Reinstall and tighten the spark plug(s). Automatic Standby Generator Owner’s Manual...
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12. Turn on the utility power to the transfer switch. 13. Set the Control Panel to AUTO. The generator is ready for service. NOTE: When a battery is dead or has been disconnected, the exercise timer and current date and time must be reset. Automatic Standby Generator Owner’s Manual...
Adjust oil to proper level. amounts of oil. Engine breather defective. Improper type or viscosity of oil. See “Engine Oil Recommendations”. Damaged gasket, seal or hose. Check for oil leaks. *Contact an Authorized Service Dealer for assistance. Automatic Standby Generator Owner’s Manual...
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Unit will not start in AUTO with utility UNDER LEDs/Screen Contact servicing dealer. loss. VOLTAGE for alarms. Check the Unit will not start in AUTO with utility LEDs/Screen UNDERSPEED Contact servicing dealer. loss. for alarms. Automatic Standby Generator Owner’s Manual...
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Yellow LED illuminated in any state. YELLOW for additional SERVICE B press ENTER to clear. information. Check screen Yellow LED illuminated in any state. YELLOW for additional Inspect Battery Inspect battery; press ENTER to clear. information. Automatic Standby Generator Owner’s Manual...