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Installation and
Owner’s Manual
7, 10, 13 and 16kW Air-cooled,
Automatic Standby Generators
Models: 005240, 005280 (6 kW NG, 7 kW LP)
005241, 005281 (9 kW NG, 10 kW LP)
C US
005242, 005282 (13 kW NG, 13 kW LP)
005243, 005244, (15 kW NG, 16 kW LP)
LISTED
005283, 005284
R
GENERAC
POWER SYSTEMS, INC.
R
Not intended for use as Primary Power in place of utility or in
life-support applications.
DANGER
DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY!
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The operator is responsible for proper and safe use INTRODUCTION of the equipment. The manufacturer strongly recom- Thank you for purchasing this model of the Guardian mends that the operator read this Owner's Manual product line by Generac Power Systems Inc. This and thoroughly understand all instructions before model is a compact, high performance, air-cooled, engine-driven generator designed to automatically using this equipment. The manufacturer also strong- supply electrical power to
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Table of Contents Air-cooled Generators Introduction ........................Inside Front Cover Section 3 – Operation ....................................15 Read This Manual Thoroughly ........................ IFC 3.1 Using the AUTO/OFF/MANUAL Switch ........15 Contents ..........................................................IFC 3.2 Automatic Transfer Operation .....................16 Operation and Maintenance ............................ IFC 3.3 Sequence of Automatic Operation ............
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IMPORTANT SAFETY INSTRUCTIONS Air-cooled Generators SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted near the unit’s installation site. Safety should be stressed to all opera- tors and potential operators of this equipment. � WARNING: GENERAL HAZARDS � The engine exhaust from this product contains chemicals known to the state � For safety reasons, the manufacturer recommends of California to cause cancer, birth that t
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IMPORTANT SAFETY INSTRUCTIONS Air-cooled Generators � Keep a fire extinguisher near the generator at all ELECTRICAL HAZARDS times. Extinguishers rated “ABC” by the National Fire Protection Association are appropriate for � All generators covered by this manual produce use on the standby electric system. Keep the extin- dangerous electrical voltages and can cause fatal guisher properly charged and be familiar with its electrical shock. Utility power delivers extremely use. Consult th
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Section 1 — General Information Air-cooled Generators There are LED readouts on the control panel to notify DANGER personnel that one of these faults has occurred. There is also a System Set LED that is lit when all Only qualified electricians or contractors should of the conditions described in section "System Set attempt such installations, which must comply LED" are true. (See the "Protection Systems" section strictly with applicable codes, standards and regu- for details.) lations
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Section 1 — General Information Air-cooled Generators 1.4 THE GENERATOR Figure 1.1 – 7kW, Single Cylinder GH-410 Engine Figure 1.2 – 10kW, V-twin GT-530 Engine Control Control Panel Panel Data Oil Oil Data Air Filter Decal Dipstick Dipstick Decal Cover Exhaust Exhaust Enclosure Air Filter Enclosure Fuel Fuel Inlet Inlet (Back) (Back) Fuel Fuel Regulator Regulator Composite Base Oil Filter Battery Compartment Composite Base Oil Filter Battery Compartment Figure 1.3 – 13kW and 16kW, V-twin GT-990
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Section 1 — General Information Air-cooled Generators 1.5 SPECIFICATIONS 1.5.1 GENERATOR Model 05240 & 05280 05241 & 05281 05242 & 05282 05243 & 05244 05283 & 05284 Rated Max. Continuous 6,000 NG/7,000 LP 9,000 NG/10,000 LP 13,000 NG/13,000 LP 15,000 NG/16,000 LP Power Capacity (Watts*) Rated Voltage 120/240 120/240 120/240 120/240 Rated Max. Continuous Load Current (Amps) 120 Volts** 50.0 NG/58.3 LP 75.0 NG/83.3 LP 108.3 NG/108.3 LP 125 NG/133.3 LP 240 Volts 25.0 NG/29.2 LP 37.5
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Section 1 — General Information Air-cooled Generators Special considerations should be given when install- 1.6 SYSTEM SET LED ing the unit where local conditions include flooding, The “System Set” LED is lit when all of the following tornados, hurricanes, earthquakes and unstable conditions are true: ground for the flexibility and strength of piping and 1. The AUTO/OFF/MANUAL switch is set to the their connections. AUTO position. Use an approved pipe sealant or joint compound on 2. The uti
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Section 1 — General Information Air-cooled Generators NOTE: 1.9 RECONFIGURING THE Use an approved pipe sealant or joint compound FUEL SYSTEM on all threaded fittings to reduce the possibility of leakage. 1.9.1 7 KW, 410CC ENGINE 9. Reverse procedure steps 1-6 to reinstall demand To reconfigure the fuel system from NG to LP, follow regulator. these steps (Figure 1.4): 10. Take the plastic plug supplied in the poly-bag NOTE: with the generator and press it into the 3/4” hole on the bottom
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Section 1 — General Information Air-cooled Generators Figure 1.5 - 10kW, GT-530 (Inlet Hose Slid Back) Figure 1.8 - 13/16kW, GT-990 (Airbox Cover Removed) Fuel Selection Lever - "Out" Position for Liquid Propane (Vapor) Fuel Fuel Selection Lever - "In" Position for Natural Gas Fuel Figure 1.6 - 10kW, GT-530 (Inlet Hose Slid Back) 1.10 LOCATION 1.10.1 GENERATOR Install the generator set, in its protective enclosure, Fuel Selection outdoors, where adequate cooling and ventilating air Lev
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Section 1 — General Information Air-cooled Generators � Install the generator as close as possible to the fuel � Install the transfer switch indoors on a firm, sturdy supporting structure. supply, to reduce the length of piping. � To prevent switch distortion, level the switch if � Install the generator as close as possible to the necessary. This can be done by placing washers transfer switch. REMEMBER THAT LAWS OR between the switch enclosure and mounting sur- CODES MAY REGULATE THE DISTAN
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Section 1 — General Information Air-cooled Generators Figure 1.10 – Battery Cable Connections Do not open or mutilate the battery. Released electrolyte has been known to be harmful to the skin and eyes, and to be toxic. The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes. It is electrically conductive and corrosive. The following procedures are to be observed: � Wear full eye protection and protective clothing; � Where electrolyte contacts the skin, wash
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Section 2 — Post Installation Start-up and Adjustments Air-cooled Generators 2.1 BEFORE INITIAL START-UP DANGER NOTE: The transfer switch is now electrically “hot.” These units have been run and tested at the fac- Contact with “hot” parts will result in extremely tory prior to being shipped and do not require any hazardous and possibly fatal electrical shock. type of break-in. Proceed with caution. Before starting, complete the following: 5. Use an accurate AC voltmeter to check utility
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Section 2 — Post Installation Start-up and Adjustments Air-cooled Generators 2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC To test the generator set with electrical loads applied, OPERATION proceed as follows: To check the system for proper automatic operation, 1. Set generator’s main circuit breaker to its OFF proceed as follows: (or OPEN) position. 1. Set generator’s main circuit breaker to its OFF 2. Turn OFF all breakers on the load center of the (or OPEN) position. transfer b
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Section 2 — Post Installation Start-up and Adjustments Air-cooled Generators 1. Turn off utility power to the main distribution panel in the house. This can be done by switching the service main breaker to the off or open posi- Do not make any unnecessary adjustments. tion. Factory settings are correct for most applica- 2. Allow the generator to start. Before loading the tions. However, when making adjustments, be generator, confirm that the No Load Frequency, careful to avoid overspee
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Section 3 — Operation Air-cooled Generators 4. Connect a frequency meter across the generators NOTE: AC output leads. The access panel on top of the control panel must 5. Turn the primary adjust screw to obtain a fre- be removed to adjust the voltage regulator. quency reading of 61.5 Hertz. Turn the secondary NOTE: adjust screw to obtain a frequency of 62.5 Hz. 6. When frequency is correct at no load, check the The voltage regulator is housed above the gen- AC voltage reading. If voltage is i
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Section 3 — Operation Air-cooled Generators A. Utility Voltage Dropout Sensor 3.1.4 CHOKE OPERATION � This sensor monitors utility source voltage. 1. 990 engines have an electric choke in the air box � If utility source voltage drops below about 65 that is automatically controlled by the electronic percent of the nominal supply voltage, the sensor control board. energizes a 10 second timer. 2. 530 engines have an electric choke on the divider � Once the timer has expired, the engine will c
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Section 3 — Operation Air-cooled Generators 4. Use the manual transfer handle inside the trans- 5. Use the manual transfer handle inside the trans- fer switch to move the main contacts to their fer switch to move the main contacts back to their STANDBY position, i.e., loads connected to the UTILITY position, i.e., loads connected to the util- standby power source (Figure 3.2). ity power source (Figure 3.2). 5. To crank and start the engine, set the AUTO/OFF/ 6. Turn ON the utility power supply
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n e s o o L Section 3 — Operation Air-cooled Generators Low speed exercise will be handled as follows: 3.6.3 OVERCRANK 1. The standard start sequence will be initiated. This feature prevents the generator from damaging 2. The unit will run at 2,400 RPM. itself when it continually attempts to start and anoth- er problem, such as no fuel supply, prevents it from 3. If utility is lost during exercise, the controller will starting. The unit will crank and rest for a preset do the fo
