OWNER’S MANUAL 8000/10000 Watt Backup Power System with Automatic Power Transfer Switch For Models 1461-2 and 1535-1 Manual No. 189141 Revision 2 (12/04/2001) Visit our Generac website: www.generac-portables.
Briggs & Stratton Power Products Backup Power System Owner’s Manual TABLE OF CONTENTS TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . 2 SAFETY RULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installation Assistance . . . . . . . . . . . . . . . . . . . . . . . . 4 For the Home or Business Owner: . . . . . . . . . . 4 For the Installing Dealer/Contractor: . . . . . . . . .
Briggs & Stratton Power Products Backup Power System Owner’s Manual SAFETY RULES • Remain alert at all times while working on this equipment. Never work on the equipment when you are physically or mentally fatigued. WARNING! • An adequate, unobstructed flow of cooling and ventilating air is critical for generator operation. Do Not alter the installation or permit even partial blockage of ventilation provisions, as this can seriously affect safe operation of the generator.
Briggs & Stratton Power Products Backup Power System Owner’s Manual INTRODUCTION To arrange for proper installation, contact the store at which you purchased your Briggs & Stratton Backup Power System, your dealer, or your utility power provider. Congratulations on your purchase of a Briggs & Stratton Backup Power System (BPS).Your BPS was designed to provide automatic auxiliary electrical power for the duration of normal power interruption.
Briggs & Stratton Power Products Backup Power System Owner’s Manual NOTE: In some areas you may need to acquire electrical permits for installing the Backup Power System, building permits for installing gas lines, and permits for noise allowances.Your installer should check your local codes AND obtain the permits before installing the system. Generator Location 1. The amount of plumbing required to fuel your generator. Fuel Factors 2.
Briggs & Stratton Power Products Backup Power System Owner’s Manual can be switched to the Backup Power System for the duration of normal power interruption. Figure 2 identifies system components and shows typical installation details.Variations to this illustration are related to code issues, piping distances and materials. The essential circuits are gathered in a special circuit breaker box, referred to as the Essential Circuit “subpanel”, that is connected by conduit to the transfer switch.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Essential Circuit Selection When selecting the essential circuits that will be switched to “Backup Power,” it is important that the sum of the combined circuit loads does not exceed the wattage/amperage capacity of the generator.
Briggs & Stratton Power Products Backup Power System Owner’s Manual UNPACKING Shipment Contents The Backup Power System is supplied with: Refer to the Installation Manual for detailed unpacking instructions, if desired. • Backup Power generator • Pre-attached mounting pad Delivery Inspection • Automatic Power Transfer switch After removing the carton, carefully inspect the Backup Generator and Automatic Power Transfer Switch components for any damage that may have occurred during shipment.
Briggs & Stratton Power Products Backup Power System Owner’s Manual KNOW YOUR BACKUP GENERATOR Read this owner’s manual and safety rules before operating your generator. Compare the illustrations with your generator to familiarize yourself with the locations of various controls and adjustments. Save this manual for future reference.
Briggs & Stratton Power Products Backup Power System Owner’s Manual KNOW YOUR SYSTEM CONTROL PANEL Compare this Control Panel illustration with your generator to familiarize yourself with the location of these important controls: Set Exercise Switch Circuit Breaker Diagnostic LED Hour Meter AUTO/OFF/MANUAL Switch 15 Amp Fuse 15 Amp Fuse — Protects the Backup Power System DC control circuits. If the fuse has ‘blown’ (melted open) or was removed, the engine cannot crank or start.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Access Doors (away) from the unit while pulling the door down and out of the upper door channel.The door will come free of the generator enclosure. The Backup Power System is equipped with an enclosure that has four access doors (Figure 4).The doors are named for a significant component located behind them.
Briggs & Stratton Power Products Backup Power System Owner’s Manual BEFORE INITIAL START-UP Gaseous Fuel System • Ensure that all fuel pipe connections are tight, secure and without leaks. Engine Oil • Ensure that all shutoff valves are OPEN and that adequate pressure is available. This engine is shipped from the factory filled with the recommended oil. Before starting the engine, check oil level and ensure that engine is serviced as described on page 18 in “Checking Oil Level”.
Briggs & Stratton Power Products Backup Power System Owner’s Manual AUTOMATIC OPERATION 5. With the generator output supplying its loads, turn ON the main distribution panel circuit breaker that supplies utility power to the Automatic Power Transfer Switch. 6. After about 6 seconds, the automatic transfer switch will transfer loads back to the utility power. 7. About one minute after re-transfer, the engine will shut down. To select automatic transfer operation, do the following: 1.
Briggs & Stratton Power Products Backup Power System Owner’s Manual A switch on the control panel is labeled “Set Exercise” (depicted on page 10).The specific day and the specific time of day this switch is pressed is programmed into the control board memory.This date and time is then used to automatically initiate the system exercise cycle. SPECIFICATIONS Model . . . . . . . . . . . . . . . . . . . . 1461 1535 To perform the Set Exercise procedure: Rated Maximum Power (LP*). . . 10.0 kW 8.0 kW 1.
Briggs & Stratton Power Products Backup Power System Owner’s Manual MAINTENANCE Low Battery Voltage This fault is indicated by one blink.This condition occurs if the generator cannot start because the starting battery output power is below that needed to ‘turn-over’ the engine. Causes for this problem may be a failed battery or a failed trickle charger circuit. Fault Detection System The generator may have to run for long periods of time with no operator present.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Low Voltage This fault is indicated by three blinks.This condition is caused by a restriction in the fuel flow, a broken or disconnected signal lead, a failed alternator winding, the control panel circuit breaker is open, or overloaded circuits in the essential circuit sub-panel. Engine Overspeed This fault is indicated by 6 blinks.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Maintenance Schedule The following chart is based on normal engine operation. Follow the hourly or calendar intervals, whichever occurs first. More frequent service is required when operating in extremely dusty or heavy load conditions.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Engine Maintenance Figure 7 — Oil Fill Spout on Oil Bottle CAUTION! When working on the generator, always remove the 15 Amp fuse from control panel. Also disconnect spark plug wires from spark plugs and keep wires away from spark plugs.This will prevent accidental start–up. Check fuel lines and fittings frequently for cracks or leaks. Replace if necessary.
Briggs & Stratton Power Products Backup Power System Owner’s Manual Coat the o-ring of a new filter with fresh, clean engine oil.Turn the new filter by hand clockwise until the gasket contacts the filter adapter, then tighten 1/2 to 3/4 turn more. CAUTION! Never run this equipment without the 5. Fill engine with oil as described above. To service the air cleaner components: 6. Install and tighten the oil fill cap. 1. 7.
Briggs & Stratton Power Products Backup Power System Owner’s Manual 4. Reinstall cartridge, plate and knob. 5. Reassemble precleaner on cartridge. 6. Replace cover and attach clips to body. Valve Lash Valve lash must be checked while engine is cold after every 100 hours of operation. Adjust if necessary.Valve lash is: Intake and Exhaust . . . . . 0.004 - 0.006 in. (0.10 - 0.15 mm) Inspect Spark Arrester Screen The engine exhaust muffler has a spark arrester screen.
Briggs & Stratton Power Products Backup Power System Owner’s Manual TROUBLESHOOTING Problem Engine is running, but no AC output is available. Cause Correction 1. 2. Generator circuit breaker is open. Fault in generator. 1. 2. 3. Poor wiring connections or defective transfer switch. Sub-panel circuit breaker open or defective. Short circuit in a connected load. Generator is overloaded. Shorted generator circuit. 3. Reset circuit breaker. Contact Generac Portable Products service facility.
Briggs & Stratton Power Products Backup Power System Owner’s Manual UNIT SCHEMATIC DIAGRAM 22
Briggs & Stratton Power Products Backup Power System Owner’s Manual UNIT WIRING DIAGRAM PLG 23
Briggs & Stratton Power Products Backup Power System Owner’s Manual TRANSFER SWITCH SCHEMATIC DIAGRAM 24
Briggs & Stratton Power Products Backup Power System Owner’s Manual TRANSFER SWITCH WIRING DIAGRAM 25
Briggs & Stratton Power Products Backup Power System Owner’s Manual UNIT EXPLODED VIEW 26
Briggs & Stratton Power Products Backup Power System Owner’s Manual UNIT PARTS LIST Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Part # Qty.
Briggs & Stratton Power Products Backup Power System Owner’s Manual ENCLOSURE EXPLODED VIEW 28
Briggs & Stratton Power Products Backup Power System Owner’s Manual ENCLOSURE PARTS LIST Item Part # Qty.
Briggs & Stratton Power Products Backup Power System Owner’s Manual INSULATION SET EXPLODED VIEW 30
Briggs & Stratton Power Products Backup Power System Owner’s Manual INSULATION SET PARTS LIST Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Part # Qty. Description H187234GS 1 ROOF, with Insulation 186188GS 2 INSULATION, Baffle Alt. Side H186030GS 1 BASE, Muffler Box H185966GS 1 BULKHEAD, Alternator Side 186186GS 1 INSULATION, Bulk Head Alt.. End B4772GS 27 CLIPS, Dart H185968GS 1 BAFFLE, Horizontal, Alt.
Briggs & Stratton Power Products Backup Power System Owner’s Manual ALTERNATOR EXPLODED VIEW AND PARTS LIST Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Part # B4906GS B4907GS B4908GS B4909GS B4910GS B4911GS B4912GS B4913GS B4914GS B4915GS B4916GS B4917GS B4918GS B4919GS B4920GS 49820GS 188928GS 22473GS 49813GS Qty.
Briggs & Stratton Power Products Backup Power System Owner’s Manual CONTROL PANEL EXPLODED VIEW AND PARTS LIST Item Part # 1 187225GS 2 3 4 5 6 7 8 9 10 11 12 13 Qty.
Briggs & Stratton Power Products Backup Power System Owner’s Manual TRANSFER SWITCH EXPLODED VIEW 34
Briggs & Stratton Power Products Backup Power System Owner’s Manual TRANSFER SWITCH PARTS LIST Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Part # B4852GS B5079GS B4852GS 57073GS 185890GS B4858GS B4857GS 75475GS 75476GS 43116GS B4856GS 91526GS 49226GS 23897GS B5052GS 22264GS 51715GS 22097GS 49813GS B5084GS B5083GS B4986GS B5107GS B5081GS B5106GS B5105GS B5087GS B5080GS 186021GS B5086GS B5082GS B5085GS B5088GS B4854GS 22241GS 22237GS Qty.
Briggs & Stratton Power Products Backup Power System Owner’s Manual ENGINE EXPLODED VIEW Briggs & Stratton 18 hp Engine, Model 354445 0123-E1 36
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Briggs & Stratton Power Products Backup Power System Owner’s Manual ENGINE PARTS LIST Item 1 2 3 5 5A 7 8 9 10 10A 11 12 13 15 16 17 18 20 22 23 25 26 27 28 29 32 33 34 35 36 39 40 42 45 46 50 51 51A 54 89 122 125 146 161 163 188 192 206 208 209 211 212 222 227 232 239 262 273 276 276A 280 287 304 Part # 808702 808534 805101* 808698 808699 690888*§ 808984 807893* 690751 806421 808686 691684* 692059 690946 692173 690752 808847 805049* 692540 808768 808326 807889 690683 807886 807900 690698 808687 807680 69
Briggs & Stratton Power Products Backup Power System Owner’s Manual NOTES 42
Briggs & Stratton Power Products Backup Power System Owner’s Manual EMISSION CONTROL SYSTEM WARRANTY Briggs and Stratton Emission Control Defects Warranty Provisions The following are specific provisions relative to your Emissions Control Defects Warranty Coverage. It is in addition to the B&S engine warranty for non-regulated engines found in the Operating and Maintenance Instructions. 1.
LIMITED WARRANTY BRIGGS & STRATTON BACKUP POWER SYSTEM GENERATORS This Generac Portable Products (hereinafter “Company”) backup generator system has been manufactured and inspected with care by experienced craftsman. If you are the original purchaser, the Company warrants for three (3) years or 1,500 hours, whichever occurs first, that the generator system will be free from defects and workmanship if properly installed, maintained, and operated in accordance with Company instruction manuals.
