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Use this page to record important information about the generator set. For quick and easy reference, copy the information printed on the Unit Identification Label onto the sample label printed here. The Unit Identification Label is located at the rear of the alternator on 15/20 kW (2.3L) units, and on the front engine mount on 30 kW (2.4L) and 50 kW (3.4L) models.
Table of Contents Table of Contents Section 1 Safety 1.1 Introduction .......................... 1 1.2 Safety Information ........................ 2 1.3 General Hazards ........................2 1.4 Exhaust Hazards ........................3 1.5 Electrical Hazards ........................ 3 1.6 Fire Hazards .......................... 3 1.7 Explosion Hazards ....................... 3 Section 2 Specifications 2.1 Emission Information ......................
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Table of Contents 3.8.3 Electrical Checks ........................16 3.8.4 Test Generator Under Load ......................16 3.8.5 Check Automatic Operation ......................17 3.9 Final Instructions ........................17 Section 4 Operation 4.1 Control Panel ........................19 4.2 Auto/Manual/Off ........................19 4.3 Menu Navigation .........................20 4.4 Alarm/Warning Conditions ....................22 4.5 Change Time and Date .......................22 4.6 Programmable Timers ......................22 4.6.1 Dealer Programmable ........................
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Table of Contents 5.6 Daily Maintenance (If Running Continuously) ..............31 5.7 Schedule A Maintenance ....................32 5.7.1 Preliminary Instructions ......................32 5.7.2 Check Fuel Level and Fill ......................32 5.7.3 Drain Fuel Filter and Check Fuel Lines/Hoses ................32 5.7.4 Check Coolant Level and Hoses ....................
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Table of Contents 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. (000004) WARNING California Proposition 65. This product contains or emits chemicals known to the state of California to cause cancer, birth defects, and other reproductive harm.
Safety Section 1 1.1 — Introduction Thank you for purchasing this stationary automatic standby generator set. Every effort was made to ensure that the information in this manual was both accurate and complete at the time it was released. However, the manufacturer reserves the right to change, alter or otherwise improve this product at any time without prior notice.
Safety 1.2 — Safety Information Study these safety rules carefully before operating or servicing this equipment. Become familiar with this Owner’s Man- ual and with the unit. The generator can operate safely, efficiently and reliably only if it is properly installed, operated and maintained.
Safety 1.4 — Exhaust Hazards • Generator engine exhaust contains DEADLY carbon monoxide, an odorless, colorless, poisonous gas. Breathing carbon monoxide can cause dizziness, throbbing temples, nausea, muscular twitching, headache, vomiting, weakness, sleepiness, inability to think clearly, fainting, unconsciousness or even death. If any carbon monoxide poisoning symptom is experienced, move into fresh air and immediately seek medical attention.
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Specifications Section 2 2.1 — Emission Information The U.S. Environmental Protection Agency (EPA) requires that the generator comply with exhaust emission standards. The generator is certified to meet the applicable EPA emission levels, and is certified for use as a stationary engine for standby power generation.
Specifications 2.3 — Engine Oil Recommendations To maintain the product warranty, use only genuine Generac replacement parts. Generac maintenance kits include both the oil filter and air filter, and can be obtained through any Authorized Dealer. All Generac maintenance kits meet minimum American Petroleum Institute (API) Service Class CD or better. Select the appropriate viscosity oil grade according to the expected operating temperature.
Specifications NOTE: Low ambient temperatures as well as engine operation at high altitudes may require the use of fuels with higher Cetane ratings. Allow at least 5 percent of the tank capacity for fuel expansion. DO NOT OVERFILL! 2.5.1— Fuel Maintenance Always treat diesel fuel for long term storage.
Activation and Startup Section 3 IMPORTANT NOTE: The unit fuel tank has been inspected by AHJ (authority having local jurisdiction) or fire marshal and meets all requirements. Unit is fueled and the fuel is treated as per additive directions. 3.1 — Orientation NOTE: The 3.4L engine is depicted in the artwork used in this manual.
Activation and Startup 3.3 — Prime Fuel System See Figure 3-3. Loosen the air bleed screw and work priming pump until bubbles are observed. Place a shop rag around the air bleed screw to catch any loss of fuel. When all bubbles are purged and replaced by a solid stream of fuel, tighten the air bleed screw. Check for leaks.
Activation and Startup 3.5 — Open Viewing Window Rotate viewing window upward to access control panel. To hold viewing window in the open position, remove rod from clip at back of window and insert into hole in frame. See Figure 3-5. Figure 3-5.
Activation and Startup 3.7 — Activate Unit Display Reads: Generator Active is displayed on the If the wrong language is selected, it may be changed LCD screen when the unit is first later using the Edit menu. Up Arrow = (+) powered up.
Activation and Startup Display Reads: Use UP ARROW or DOWN ARROW to Select YES to perform exercise at low speed. Select select either Yes or No. NO to perform exercise at normal operating speed. Quite Test Mode? Press ENTER. Yes No Display Reads: Set Exercise Time.
Activation and Startup 3.8.3— Electrical Checks Complete electrical checks as follows: Verify that the generator is OFF. A red LED on the control pad illuminates to confirm that the system is in the OFF mode. Verify that the Main Circuit Breaker switch on the generator control panel is in the OFF (Open) position. Turn OFF all circuit breakers/electrical loads that will be powered by the generator.
Activation and Startup Press MANUAL on the control pad. The engine will crank and start. Allow the engine to warm up for a few minutes. Move the Main Circuit Breaker switch on the generator control panel up to the ON (or closed) position. The switch is now powered by the standby generator.
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Operation Section 4 4.1 — Control Panel NOTE: The control panel is intended for use by qualified service personnel only. The control panel is located behind the viewing window at the rear of the unit. With the control pad set to AUTO, the engine may crank and start at any time without warning. Such automatic starting occurs during the programmed exercise cycle or when utility power source voltage drops below the configured level.
Operation LCD Screen UP ARROW Green Blue ENTER AUTO MANUAL DOWN ARROW ESCAPE Figure 4-2. Control Pad and LCD Screen 4.3 — Menu Navigation See Figure 4-3. Feature Description System Menus The system returns to the Home screen if the control pad is not used for five minutes. The screen normally displays a Status message, such as Ready to Run (Auto mode) or Switched to OFF (Off mode), and the total Hours of Protection.
Operation Switched to “OFF” Home Screen Up Arrow = (+) Hours of Protection Current Date/Time 0 (H) 02/14/13 07:40 Running Manual Running-Utility Lost SYSTEM DATE/TIME ENTER Running-Remote Start Down Arrow = (-) ENTER Running-2 Wire Start Running - Exercise Run Hours (H) Battery Condition ENTER Switched Off...
Operation 4.4 — Alarm/Warning Conditions The owner/operator is alerted to Alarm and/or Warning conditions via the control panel LCD screen. All Alarm condi- tions cause the generator to shut down. The Warning messages alert the operator to conditions that do not disable the unit or require immediate correction.
Operation 4.6.2— User Programmable 4.6.2.1—Start-Up Delay Timer A programmable line interrupt delay (or Start-Up Delay) timer is provided. When utility voltage fails (falls below 60% of nominal), the start-up delay timer is started. If the voltage rises above the Utility Volts Low threshold, the timer is reset. If the utility voltage remains below the threshold during the duration of the timer, the unit cranks and starts.
Operation 4.9.1— Automatic Sequence of Operation 4.9.1.1—Utility Failure If the control pad is set to AUTO when the utility power fails (falls below 60% of nominal, dealer programmable), a ten second Start-Up Delay timer is started (user programmable). If utility power is still absent when the time expires, the engine cranks and starts.
Operation IMPORTANT NOTE: Always use the applicable transfer switch owner's manual for actual manual transfer switch operation instructions. The information presented here describes a typical V-style transfer switch, which is not used for three phase applications. 4.10.1— Transfer to Generator Power When utility power fails, manually transfer to standby power and start the generator as follows: Press OFF on the control pad.
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Maintenance Section 5 5.1 — Component Locations The side of the enclosure with the viewing window is identified as the rear of the generator set. The right and left sides are identified by standing at the rear and looking towards the front of the unit. Viewing 7.5 Amp Fuse Window...
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Maintenance Breather Canister Fuel Return Hose Fuel Filter/Air Bleed Fuel Supply Hose and Filter Coolant Governor Coolant Overflow Battery Drain Hose Linkage Reservoir Figure 5-3. Left Side View Fuel Tank Primary Vent Emergency Vent Primary Tank Fuel Filler Spout Emergency Vent Fuel Level Gauge Secondary Tank Figure 5-4.
Maintenance 5.2 — Access Panels Access panels are located at both the front and sides of the enclosure. 5.2.1— Removal Insert key into latch and rotate counterclockwise 1/2 turn. See Figure 5-5. Raise panel using thumb latch. 5.2.2— Installation Lower panel into position using thumb latch. Insert key into latch and rotate clockwise 1/2 turn.
Maintenance 5.3 — Service Maintenance Intervals NOTE: Use only Genuine Generac parts to ensure warranty coverage. All generator service must be performed by a qualified service person only. It is important to perform all maintenance at the interval specified in the Service Maintenance Schedule. This ensures safe and proper operation, as well as compliance with applicable emissions standards.
Maintenance 5.4 — Remove From Service To ensure safety, follow the steps below prior to inspection, maintenance or service. IMPORTANT NOTE: If currently experiencing a utility outage, see Subsection 6.3 —Removal From Service During Utility Outages for special instructions. Open the viewing window. See Subsection 3.5 —Open Viewing Window. Move the Main Circuit Breaker switch down to the OFF (Open) position.
Maintenance 5.7 — Schedule A Maintenance NOTE: Perform Schedule A maintenance once each year or after 125 hours of service, whichever comes first. 5.7.1— Preliminary Instructions See Subsection 5.4 —Remove From Service. Remove access panels at the front and both sides of the enclosure. See Subsection 5.2 —Access Panels. Remove battery negative cable (black) from battery negative (-) terminal.
Maintenance Priming Pump Fuel Filter Water Drain Plug Figure 5-8. Drain Water From Fuel Filter 5.7.4— Check Coolant Level and Hoses Do not add coolant when the engine is hot. Steam and scalding fluids can cause severe burns. NOTE: On 2.3L models, remove ten screws to release louvered air discharge panel on left side of enclosure. Verify that the coolant level is between the HOT and COLD marks on the overflow reservoir.
Maintenance 5.7.5— Check Radiator for Clogging Direct beam of flashlight through openings in fan guard to inspect the radiator fins. Carefully look for debris, accumula- tions of dirt or other deposits. If necessary, clean as follows: On right side of enclosure, loosen two clamps at each end of turbocharger exhaust outlet pipe. Remove pipe, clamps and rubber couplings from engine.
Maintenance 5.7.7— Check Battery Condition/Fluid Level 5.7.7.1— Check Condition and Clean NOTE: On 2.3L models, remove ten screws to release louvered air intake panel on left side of enclosure. Verify that top of battery is clean and dry. Dirt and electro- lyte on top of the battery can cause battery to self-dis- charge.
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Maintenance Installation Always connect the positive battery cable first. If the positive cable should contact ground with the negative cable installed, the resulting sparks may cause a battery explosion which could result in seri- ous injury. Install rubber protective cover over battery posi- tive (+) terminal.
Maintenance 5.7.8— Check and Adjust V-Belt 5.7.8.1— Check Check the V-belt deflection. Too little belt deflection accelerates belt wear, while too much deflection leaves the pulley idle, overheats the engine, and no-load is generated. Adjust the belt deflection as follows: On right side of enclosure, loosen two clamps at each end of turbocharger exhaust outlet pipe.
Maintenance Filter Element Clamp Drain Plug Sight Glass Figure 5-15. Drain Breather Canister and Replace Filter 5.7.11— Lubricate Governor Rod Linkage Lubricate both ends of rod with a silicone spray. See Figure 5-16. Verify that rod moves freely without binding. Figure 5-16.
Maintenance 5.8 — Schedule B Maintenance NOTE: Perform Schedule B maintenance every two years or after 250 hours of service, whichever comes first. Before proceeding below, first perform all tasks listed under Schedule A Maintenance. NOTE: For general location of components, see Subsection 5.1 —Component Locations. 5.8.1—...
Maintenance 5.8.2— Replace Fuel Filter Slowly loosen water drain plug. See Figure 5-18. Rotate filter counterclockwise to remove from filter adapter. Install new filter by hand until gasket just contacts filter adapter. Tighten filter an additional 3/4 to one full turn. Tighten water drain plug.
Maintenance Remove coolant drain hose from holding clamp. Use wrench to hold hex on hose fitting (to prevent rotation), and use second wrench to remove drain plug. Drain coolant into a suitable container. Install plug at end of drain hose. Install drain hose in holding clamp.
Maintenance 5.9 — Schedule C Maintenance NOTE: Perform Schedule C maintenance after 1000 hours of service. Before proceeding below, first perform all tasks listed under Schedule A Maintenance and Schedule B Maintenance. The following procedures require special tools and skills. Contact a Generac Dealer or an authorized service provider to perform these tasks.
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Troubleshooting 6.2 — Controller Troubleshooting Active Alarm Problem Solution NOT ACTIVATED Unit will not start in AUTO with utility loss. Refer to activation section in Owner’s Manual. Check MLCB. Contact servicing dealer if MLCB is in the ON NONE Unit running in AUTO but no power in house. position.
Troubleshooting 6.3 — Removal From Service During Utility Outages If, during prolonged utility outages, the user wishes to remove the unit from service to conserve fuel, reduce run hours, or to perform maintenance tasks, then complete the steps listed below. IMPORTANT NOTE: Failure to abide by this procedure can result in equipment damage.
Troubleshooting Remove right side access panel. See Subsection 5.2 —Access Panels. Remove oil drain hose from holding clamp. Use one wrench to hold hex on hose fitting (to prevent rotation), and use second wrench to remove drain plug. Drain oil into a suitable container. Install drain plug onto end of oil drain hose.
Troubleshooting Install left side access panel. See Subsection 5.2 —Access Panels. NOTE: On 2.3L models, start ten screws to install louvered air intake panel. Alternately tighten screws to 90 in- lbs. Remove right side access panel. See Subsection 5.2 —Access Panels. Check oil level and add oil as necessary.
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Troubleshooting NOTES Owner’s Manual for Stationary Diesel Generators...
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Troubleshooting NOTES Owner’s Manual for Stationary Diesel Generators...
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