Generac 00941-3 1.2GENERATOR APPLICABILITY, 1.3SAFETY, 1.4GENERATOR CONTROL PANEL, Fuel Primer

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1.2GENERATOR APPLICABILITY

Section 1 – General Information

IMPACT-36 plus II Recreational Vehicle Generator

1.2GENERATOR APPLICABILITY

These generators have been designed and manufac- tured for supplying electrical power for recreational vehicles. Do not modify the generator or use it for any application other than for what it was designed. If there are questions pertaining to its application, write or call the factory. Do not use the unit until advised by a competent authority.

1.3SAFETY1.4GENERATOR CONTROL PANEL DANGER

For fire safety, the generator must have been properly installed in compliance with (1) ANSI 119.2-1975/NFPA 501C-1974 “Standard for Recreational Vehicles”, Part III, “Installation of Electrical Systems.” The generator also must have been installed in strict compliance with the manufacturer’s detailed installation instructions. After installation, do nothing that might render the unit in non-compliance with such codes, standards and instructions.

This generator has been designed to work with an inverter (P/N 0D4885). The inverter changes the volt- age from the generator from a DC to an AC voltage. This generator will not operate properly without the inverter box connected. All repairs of the inverter must be handled by an authorized service dealer (see Page 12 in “Maintenance”).

Use this generator to supply electrical power for operating 120 volts, single phase, 60 Hertz, electrical loads. These loads can require up to 3400 watts (3.4 kW) for the Impact-36 plus II. The maximum current at 120 volts is 28.3 amperes for the Impact-36 plus II.

Do not overload the generator. Some installa-

!tions may require that electrical loads be alternated to avoid overloading. Applying excessively high electrical loads may damage the generator and may shorten its life. Add up the rated watts of all electrical lighting, appliance, tool and motor loads the generator will power at one time. This total should not be greater than the wattage capacity of the generator. If an electrical device nameplate gives only volts and amps, multiply volts times amps to obtain watts (volts x amps = watts). Some electric motors require more amps of current for starting than for continu- ous operation.

1.3SAFETY

Before using the generator set, carefully read GEN- ERAL SAFETY RULES inside the cover. Comply with these RULES to prevent accidents and damage to equipment and/or property. Generac suggests copy- ing and posting the GENERAL SAFETY RULES in potential hazard areas of the recreational vehicle. Safety should be stressed to all operators of this equipment.

1.4GENERATOR CONTROL PANEL

Mounted on the generator control panel (Figure 1.1) are the following features:

Figure 1.1 — Typical Control Panel

Circuit Breaker

 

Fuse

 

 

 

Figure 1.1 — Typical Control Panel Hour Meter

Fuel Primer

Start/Stop Switch

1.4.1 FUEL PRIMER

Before starting a cold engine (if it has not been start- ed in more than two weeks), press this switch to bring fuel from the tank to the fuel carburetor. This rocker type switch springs back into its original posi- tion when released.

1.4.2 START/STOP SWITCH

To crank and start the engine, hold this switch at its START position. Release the switch when the engine starts. To stop an operating engine, press and hold the switch in its STOP position until the engine shuts off. The switch center position is the RUN position.

1.4.3 FUSE

Protects the engine DC control circuit against electri- cal overload. If the fuse element has melted open due to overloading, the engine cannot be cranked. If the fuse must be replaced, use only an identical replace- ment fuse.

1.4.4 CIRCUIT BREAKERS

Protects generator's AC output circuit against overload, i.e., prevents unit from exceeding wattage/amperage capacity.

6 Generac® Power Systems, Inc.

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Contents Model No 00941-3 IMPACT-36plus II with Inverter This manual should remain with the unitAir-cooledRecreational Vehicle Generator AUTHORIZED SERVICE DEALER LOCATION CONTENTSOPERATION AND MAINTENANCE HOW TO OBTAIN SERVICEIMPACT-36plus II Recreational Vehicle Generator Table of ContentsPart II - Installation Instructions GENERAL HAZARDS EXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS 1.1.1 IMPACT-36LPGPLUS II FEATURES 1.1GENERATOR IDENTIFICATION2 11 3 12 4 16 REFERENCE NUMBER IDENTIFICATION1.1.2 INVERTER FEATURES PART NO. 0D4885 1.3SAFETY 1.4.2 START/STOP SWITCH1.2GENERATOR APPLICABILITY 1.4GENERATOR CONTROL PANEL1.5ENGINE PROTECTIVE DEVICES 2.1BEFORE STARTING THE ENGINE2.2STARTING THE GENERATOR 2.3STOPPING THE GENERATOR2.1.4 COOLING AND VENTILATING AIR 2.1.5 ENGINE EXHAUST GAS2.7OPERATING PRECAUTIONS 2.10 LP GENERATOR SPECIFICATIONS2.11 ENGINE SPECIFICATIONS 2.5ATTENTION REQUIRED AFTER SUBMERSION3.1MAINTENANCE 3.2CHECKING ENGINE OIL LEVEL3.3CHANGE ENGINE OIL 3.4CHANGE OIL FILTER3.5ENGINE AIR CLEANER 3.6CLEAN AIR INTAKE SCREEN3.9 CLEANING THE GENERATOR 3.7ENGINE SPARK PLUG3.11 SERVICE AND ADJUSTMENTS 3.10 BATTERY3.12 ADJUSTING THE CARBURETOR 3.13 ADJUSTING VALVE CLEARANCE3.16 OUT OF SERVICE PROTECTION 3.17 RETURN UNIT TO SERVICE AFTER STORAGE3.15 EXERCISING THE GENERATOR Figure 3.9 - Tightening Jam Nut14 Generac Power Systems, Inc INSTALLATION INSTRUCTIONS SHOULD ATTEMPT INSTALLATIONPART ONLY QUALIFIED ELECTRICIANS OR CONTRACTORSNOTICE TO INSTALLER FIRE HAZARDS 1.2SAFETY 1.1PURPOSE AND SCOPE OF THE MANUAL1.3STANDARDS BOOKLETS 1.4EQUIPMENT DESCRIPTION2.1LOCATION AND SUPPORT 2.1.1 GENERATOR LOCATION2.1.2 GENERATOR SUPPORT 2.1.3 SUSPENDED MOUNTING2.2GENERATOR COMPARTMENTS 2.1.4 GENERATOR RESTRAINTFigure 2.3 - Typical Generator Restraint Figure 2.4 - Types of Lock Seams2.2.1 COMPARTMENT SIZE 2.2.2 COMPARTMENT CONSTRUCTIONFigure 2.5 - Provide Clearance Around Generator Figure 2.6 - Typical Compartment ConstructionFigure 2.7 - Compartment Floor Cutout 0A6203-A 2.2.3 SOUND INSULATING MATERIALS2.2.4 COMPARTMENT FLOOR CUTOUTS 2.3COOLING AND VENTILATING AIR 2.2.5 ACOUSTICS2.3.1 GENERATOR AIR FLOW Figure 2.8 - Typical Noise Abatement Compartment2.3.2 COOLING AIR INLET OPENINGS Figure 2.12 - Air Inlet Using DuctworkFigure 2.11 - Suspended Mount Inlet Door Figure 2.10 - Air Inlet in Compartment Door2.3.5 TESTING THE INSTALLATION 2.4PROPANE GAS FUEL SYSTEM2.3.3 COMPENSATING FOR RESTRICTIONS 2.4.1 PARTS NOT INCLUDED IN FUEL SYSTEM2.4.2 SOME IMPORTANT CONSIDERATIONS 2.4.3 VAPOR WITHDRAWAL2.4.4 PRIMARY REGULATOR 2.4.5 GASEOUS CARBURETION2.5EXHAUST SYSTEM 2.4.6 FUEL SUPPLY LINES2.4.7 EXCESS FLOW VALVE 2.4.8 LEAKAGE TESTS2.5.3 EXHAUST SYSTEM SAFETY 2.6ELECTRICAL CONNECTIONS2.5.2 TYPE OF EXHAUST SYSTEM Figure 2.17 - Exhaust System2.6.1 WIRING 2.6.3 ISOLATING DIFFERENT POWER SOURCES2.6.4 POWER SUPPLY CORD 2.6.2 GENERATOR AC CONNECTION SYSTEMFigure 2.20 - Transfer Switch Isolation Method INVERTER POWER SUPPLY CORD POWER CORD FORDOCKSIDE POWER 30 Generac Power Systems, Inc2.7BATTERY INSTALLATION 2.7.1 RECOMMENDED BATTERY2.7.2 BATTERY CABLES 2.6.6 SENSING HARNESS2.8OPTIONAL ACCESSORIES 2.7.3 BATTERY CABLE CONNECTIONS2.7.4 BATTERY COMPARTMENT 2.8.1 REMOTE PLUG-INRECEPTACLE3.1POST INSTALLATION TESTS 3.4TESTING UNDER LOAD3.2BEFORE INITIAL START UP 3.3INITIAL START3.5INSTALLATION CHECKLIST BATTERY INSTALLATIONOPTIONAL ACCESSORIES POST INSTALLATION TESTS4.1TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTION36 Generac Power Systems, Inc Section 6 - Electrical Data 38 Generac Power Systems, Inc Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 40 Generac Power Systems, IncDESCRIPTION Control Panel - Drawing No. 0E756042 Generac Power Systems, Inc DESCRIPTION 44 Generac Power Systems, Inc GN 220 RV Long Block - Drawing No. 0A6202-G078621 46 Generac Power Systems, Inc DESCRIPTION YOUR WARRANTY RIGHTS AND OBLIGATIONS PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESSection 8 - Warranty ATTENTION WARRANTY DEPARTMENTEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGGENERAC POWER SYSTEMS’ THREE-YEARLIMITED WARRANTY WARRANTY SCHEDULE - COMMERCIAL APPLICATIONSGENERAC POWER SYSTEMS, INC FOR GUARDIAN RECREATIONAL VEHICLE GENERATORS