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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
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 ....................................16 Read This Manual Thoroughly ........................ IFC 3.1 Using the AUTO/OFF/MANUAL Switch ........16 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 1.5 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 2 — Post Installation Start-up and Adjustments Air-cooled Generators Figure 2.1 – Remove Air Filter Cover 2.1 BEFORE INITIAL START-UP NOTE: These units have been run and tested at the fac- tory prior to being shipped and do not require any type of break-in. Before starting, complete the following: 1. Set the generator’s main circuit breaker to its OFF (or OPEN) position. 2. Set the generator's AUTO/OFF/MANUAL switch to the OFF position. 3. Turn OFF all breakers on the load center of t
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Section 2 — Post Installation Start-up and Adjustments Air-cooled Generators 12. Set the generator’s main circuit breaker to its 2.3 ELECTRICAL CHECKS OFF (or OPEN) position. Let the engine run at no- Complete electrical checks as follows: load for a few minutes to stabilize internal engine 1. Set the generator's main circuit breaker to its generator temperatures. OFF (or OPEN) position. 13. Set the generator's AUTO/OFF/MANUAL switch to 2. Set the generator's AUTO/OFF/MANUAL switch to OFF. T
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Section 2 — Post Installation Start-up and Adjustments Air-cooled Generators 6. When the highest frequency is reached maximum 2. Hold the governor lever at its wide open throttle power has been set. From this point turn the position (clockwise), and rotate the governor adjustment screw 1/4 turn counterclockwise. The shaft clockwise as far as it will go. Then, tighten regulator is now set. the governor lever clamp bolt to 70 inch-pounds (8 N-m). 7. Turn utility power to the main distribution
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Section 3 — Operation Air-cooled Generators Figure 2.5 – Voltage Adjustment Potentiometer 3.1.3 “MANUAL” POSITION Set the switch to MANUAL to crank and start the engine. Transfer to standby power will not occur unless there is a utility failure. With the switch set to AUTO, the engine may crank and start at any time without warning. Such automatic starting normally occurs when Turn to utility power source voltage drops below a pre- adjust voltage. set level or during the normal exercis
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Section 3 — Operation Air-cooled Generators � The timer will run for about one minute, and the 3.3 SEQUENCE OF AUTOMATIC generator will then shut down. OPERATION The generator’s control panel houses a control logic 3.4 MANUAL TRANSFER OPERATION circuit board. This board constantly monitors util- 3.4.1 TRANSFER TO GENERATOR ity power source voltage. Should that voltage drop below a preset level, circuit board action will signal POWER SOURCE the engine to crank and start. After the engine
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Section 3 — Operation Air-cooled Generators 3. Once the red LED's stop flashing, the generator 3.4.2 TRANSFER BACK TO UTILITY POWER will start and run for approximately 12 minutes SOURCE and then shut down. The exerciser is now set to When utility power has been restored, transfer back run at this time of day each week. to that source and shut down the generator. This can Example: If the "Set Exercise Time" switch is be accomplished as follows: pressed on Saturday afternoon at 2:00 p.
