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Installation and
Owner’s Manual
Air-cooled Automatic
Standby Generators
Model: ASPAX1BBA015
US (13 kW NG, 15 kW LP)
C
LISTED
R
GENERAC
POWER SYSTEMS, INC.
R
*This manual should remain with the unit.*
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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INTRODUCTION This symbol points out potential explosion haz- Thank you for purchasing this model of the Bryant ard. product line. This model is a compact, high perfor- This symbol points out potential fire hazard. mance, air-cooled, engine-driven generator designed to automatically supply electrical power to operate critical loads during a utility power failure. This symbol points out potential electrical shock hazard. This unit is factory installed in an all-weather, meta
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Table of Contents 15 kW Generator 3.3 Automatic Transfer Operation .....................13 Introduction ........................Inside Front Cover Read This Manual Thoroughly ........................ IFC 3.3.1 12 VDC Accessory Outlet .................13 Contents ..........................................................IFC 3.3.2 120 VAC GFCI Outlet .......................14 Operation and Maintenance ............................ IFC 3.4 Sequence of Automatic Operation ...............14 Ho
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IMPORTANT SAFETY INSTRUCTIONS 15 kW Generator SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted in potential hazard areas. Safety should be stressed to all operators, potential operators, service and repair technicians for 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, bi
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IMPORTANT SAFETY INSTRUCTIONS 15 kW Generator be done around an operating unit, stand on an insulated, dry surface to reduce shock hazard. EXPLOSION HAZARDS � Do not handle any kind of electrical device while standing in water, while barefoot, or while hands or � Do not smoke around the generator. Wipe up any feet are wet. DANGEROUS ELECTRICAL SHOCK fuel or oil spills immediately. Ensure that no com- MAY RESULT. bustible materials are left in the generator com- � The National Electric
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Section 1 — General Information 15 kW Generator DANGER DANGER Only qualified electricians or contractors should When lifting or hoisting equipment is used, be attempt such installations, which must comply careful not to contact overhead power lines. strictly with applicable codes, standards and The generator’s weight of more than 300 regulations. pounds requires proper tools, equipment and qualified personnel to be used in all phases of handling and unpacking. 1.1 UNPACKING/INSP
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Section 1 — General Information 15 kW Generator 1.5 THE GENERATOR Figure 1.1 – 15 kW, V-twin GT-990 Control Panel Oil Data Dipstick Decal GFCI Outlet Exhaust Fuel Enclosure Regulator Fuel Inlet Composite Base Battery Lifting Holes Oil Filter Compartment 5
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Section 1 — General Information 15 kW Generator 1.6 SPECIFICATIONS 1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.6.1 GENERATOR With LP gas, use only the vapor withdrawal sys- Rated Max. Cont. Power Capacity (Watts*) .....13,000 NG/ tem. This type of system uses the vapors formed 15,000 LP† above the liquid fuel in the storage tank. Rated Voltage....................................................... 120/240 The engine has been fitted with a fuel carburetion Rated Max. Continuous Load Curren
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Section 1 — General Information 15 kW Generator Figure 1.2 - Demand Regulator 1.9 RECONFIGURING THE FUEL SYSTEM OUTLET PORTS FUEL HOSE BRASS HOSE 1.9.1 15KW, 990CC ENGINES FITTING IDLE CIRCUIT BRASS HOSE U T SMALL To reconfigure the fuel system from NG to LP, follow PORT FITTING 1 TAP FUEL JET 1/8 NPT these steps: REGULATOR HOUSING PORT NOTE: ADJUSTER The primary regulator for the propane supply is SCREWS NOT INCLUDED with the generator. A fuel pres- sure of 11 to 14 inches of water column (0.
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Section 1 — General Information 15 kW Generator NOTE: 1.10.2 TRANSFER SWITCH The generator is equipped with a battery trickle 1.10.2.1 15 kW Units charger that is active when the unit is set up for automatic operation. With the battery installed Transfer switches for use with this generator are sold and utility power source voltage available to the separately and can be purchased from dealers. transfer switch, the battery receives a trickle � Install any transfer switch in accordance wi
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Section 2 — Post Installation Start-up and Adjustments 15 kW Generator The following procedures are to be observed: 2.2 CHECK TRANSFER SWITCH � Wear full eye protection and protective clothing; OPERATION � Where electrolyte contacts the skin, wash it off Refer to Section 3.5, of the owner’s manual for man- immediately with water; ual operation procedures. � Where electrolyte contacts the eyes, immediately flush thoroughly with water and seek medical DANGER attention; and � Spilled electr
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Section 2 — Post Installation Start-up and Adjustments 15 kW Generator 6. Let the engine stabilize and warm up for a few DANGER minutes. 7. Set the generator’s main circuit breaker to its ON Proceed with caution! Generator power voltage (or closed) position. Loads are now powered by is now supplied to the transfer switch. Contact the standby generator. with live transfer switch parts will result in dan- 8. Turn ON electrical loads. Apply an electrical load gerous and possibly fatal ele
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- Section 2 — Post Installation Start-up and Adjustments 15 kW Generator With the generator running and loads powered by Figure 2.1 — Dual Fuel Regulators generator AC output, turn ON the utility power supply to the transfer switch. The following should occur: V-twin 410 � After about six seconds, the switch should transfer loads back to the utility power source. � About one minute after retransfer, the engine should shut down. Adjustment Adjustment Set Screw Screw (One Side Pin (Both Sides)
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Section 3 — Operation 15 kW Generator 2.7 ENGINE GOVERNOR ADJUSTMENT 2.8 VOLTAGE REGULATOR If both AC frequency and voltage are correspondingly ADJUSTMENT high or low, adjust the engine governor as follows: With the frequency between 62-63.5 Hertz, slowly turn the slotted potentiometer (Figure 2.5) until line 2.7.1 15 KW UNITS voltage reads 244-252 volts. 1. Loosen governor clamp bolt (See Figure 2.3). NOTE: Figure 2.3 — V-twin Engine Governor Remove the access panel on top of the control
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Section 3 — Operation 15 kW Generator 9. Allow the unit to cool. 10. Set the generator’s main circuit breaker to its OFF (or OPEN) position. With the switch set to AUTO, the engine may 11. Set the generator's AUTO/OFF/MANUAL switch crank and start at any time without warning. to OFF. Remove the 7.5A and 15A fuses from the Such automatic starting normally occurs when generator control panel. Disconnect the battery utility power source voltage drops below a pre- cables as outlined in “G
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Section 3 — Operation 15 kW Generator E. Retransfer Time Delay 3.3.2 120 VAC GFCI OUTLET � This timer runs for about 15 seconds. The generator is equipped with an external 15 amp, � At end of a 15-second delay, circuit board action 120 volt, GFCI convenience outlet that is located in de-energizes the transfer relay in the transfer the right rear of the generator enclosure. When the switch. generator is running, in the absence of utility power, � Retransfer to utility power source then oc
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n e s o o L Section 3 — Operation 15 kW Generator 5. To crank and start the engine, set the AUTO/OFF/ 2. Hold down the set timer switch until the genera- MANUAL switch to MANUAL. tor starts (approximately 10 seconds) and then release. 6. Let the engine stabilize and warm up for a few minutes. 3. The generator will start and run for approximate- ly 12 minutes and then shut down on its own. 7. Set the generator’s main circuit breaker to its ON The exerciser will then be set to run at that time
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Section 4 — Maintenance 15 kW Generator 3.7.3 OVERCRANK 4.2 CHECKING THE ENGINE This feature prevents the generator from damaging OIL LEVEL itself when it continually attempts to start and anoth- For oil capacities, see the “Specifications,” Section. er problem, such as no fuel supply, prevents it from For engine oil recommendations, see Section 4.3.1. starting. The unit will crank and rest for a preset time To check the engine oil level, proceed as follows limit. Then, it will stop cran
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n e s o o L Section 4 — Maintenance 15 kW Generator 4.5 CHANGING THE ENGINE AIR CLEANER Any attempt to crank or start the engine before it has been properly serviced with the recom- 4.5.1 15 KW GENERATORS mended oil may result in an engine failure. See Figure 4.4, for the location of the air cleaner. Use the following procedure: 4.3.2 OIL CHANGE PROCEDURE 1. Turn the two screws counterclockwise to loosen. To change the oil, proceed as follows: 2. Remove the cover and air filter. 1. Ru
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Section 4 — Maintenance 15 kW Generator Figure 4.5 – Setting the Spark Plug Gap � Wear full eye protection and protective clothing; SET PLUG GAP AT � Where electrolyte contacts the skin, wash it off 0.050 mm/0.020 inch immediately with water; � Where electrolyte contacts the eyes, immediately flush thoroughly with water and seek medical attention; and � Spilled electrolyte is to be washed down with an acid neutralizing agent. A common practice is to use a solution of 1 pound (500 grams)
