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®
POWER SYSTEMS, INC.
Installation and
Owner’s Manual
Air-cooled Automatic
Standby Generators
Model:
05176-0 (13 kW NG, 15 kW LP)
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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The operator is responsible for proper and safe use INTRODUCTION of the equipment. The manufacturer strongly recom- Thank you for purchasing this model by Generac mends that the operator read this Owner's Manual Power Systems Inc.. This model is a compact, high and thoroughly understand all instructions before performance, air-cooled, engine-driven generator using this equipment. The manufacturer also strong- designed to automatically supply electrical power to ly recommends instructing o
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Table of Contents Air-cooled 15 kW Generators 4.2 Automatic Transfer Operation .....................14 Introduction ........................Inside Front Cover 4.3 Sequence of Automatic Operation ...............14 Read This Manual Thoroughly ........................ IFC 4.4 Manual Operation .......................................15 Contents ..........................................................IFC 4.4.1 Close to Normal Source Side .............15 Operation and Maintenance ...............
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IMPORTANT SAFETY INSTRUCTIONS Air-cooled 15 kW 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 operators and potential operators of this equipment. WARNING: The engine exhaust from this product Please read all hazards carefully! contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. GEN
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IMPORTANT SAFETY INSTRUCTIONS Air-cooled 15 kW Generators � Keep a fire extinguisher near the generator at all times. Extinguishers rated “ABC” by the National ELECTRICAL HAZARDS 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. If t
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Section 1 — General Information Air-cooled 15 kW Generators 1.2 PROTECTION SYSTEMS DANGER Unlike an automobile engine, the generator may have to run for long periods of time with no operator pres- Only qualified electricians or contractors should ent to monitor engine conditions. For that reason, the attempt such installations, which must comply engine is equipped with the following systems that strictly with applicable codes, standards and protect it against potentially damaging condi
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Section 1 — General Information Air-cooled 15 kW Generators 1.4 THE GENERATOR Figure 1.1 – 15 kW, V-twin GT-990 Engine Control Panel Oil Data Dipstick Decal Exhaust Enclosure Fuel Regulator Fuel Inlet Composite Base Battery Oil Filter Compartment Figure 1.2 – 15 kW, V-twin GT-990 Engine Rear View AUTOMATIC TRANSFER SWITCH 5
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Section 1 — General Information Air-cooled 15 kW Generators 1.5 SPECIFICATIONS 1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.5.1 GENERATOR With LP gas, use only the vapor withdrawal sys- Rated Max. Continuous Power tem. This type of system uses the vapors formed Capacity (Watts*) .......................... 13,000 NG/15,000 LP above the liquid fuel in the storage tank. Rated Voltage........................................................120/240 The engine has been fitted with a fuel carbure
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Section 2 — Installation Air-cooled 15 kW Generators 4. Remove the engine air in baffle located on the left- 14. It may be necessary to make minor adjustments hand side of the battery compartment. Two M6 to the preset adjustment screw settings to achieve screws are located on top of the baffle and two maximum power, particularly at higher altitudes. M6 screws are located on the inside of the baffle If experiencing problems with the unit produc- towards the back. ing maximum power, follow the
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Section 2 — Installation Air-cooled 15 kW Generators Remote monitoring functions are only available with 2.1.3 TRANSFER SWITCH CONNECTION the AUTO/OFF/MANUAL switch in the Auto or Manual These switches (Figure 2.3) are used with a single- position. Since the contacts are SPDT, it is possible phase system, when the single-phase NEUTRAL line to monitor either state of each alarm function. is to be connected to a Neutral Lug and is not to be Relay 1: Engine running, normally closed. switch
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Section 2 — Installation Air-cooled 15 kW Generators Connect power source load conductors to clearly Lead-acid batteries present a risk of fire because marked transfer mechanism terminal lugs as fol- they generate hydrogen gas. The lows following procedures are to be followed: 1. Connect UTILITY (NORMAL) power source cables � DO NOT SMOKE when near the battery; to switch terminals N1, N2. � DO NOT cause flame or spark in battery area; and 2. Connect customer LOAD leads to switch termi- �
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Section 3 — Post Installation Start-up and Adjustments Air-cooled 15 kW Generators Figure 2.4 – Battery Cable Connections 3.1 BEFORE INITIAL START-UP 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 the utility power supply to the transfer switch using the means provided (such as the utility main line circuit breaker). 4. Check the engine crankcase
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Section 3 — Post Installation Start-up and Adjustments Air-cooled 15 kW Generators 3. Check utility power source voltage across termi- 3.4 GENERATOR TESTS UNDER LOAD nals N1 and the transfer switch neutral lug; then across terminal N2 and neutral. Nominal line-to- neutral voltage should be 120 volts AC. 4. When certain that utility supply voltage is compat- Do not attempt manual transfer switch opera- ible with transfer switch and load circuit ratings, tion until all power voltage supplies
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Section 3 — Post Installation Start-up and Adjustments Air-cooled 15 kW Generators 3. Turn on electrical loads. Be cautious not to over- 3.5 CHECKING AUTOMATIC load the generator. Use the following chart as a OPERATION guide: To check the system for proper automatic operation, Model 120 Volts 240 Volts proceed as follows: 005176 108.3 amps 54.1 amps 1. Set the generator’s main circuit breaker to it’s OFF (or open) position. 4. When full load has been achieved. Connect a fre- 2. Check that
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Section 3 — Post Installation Start-up and Adjustments Air-cooled 15 kW Generators 7. Turn utility power to the main distribution panel Figure 3.4 — V-twin Full Load Speed Adjust back on. This can be done by switching the ser- Screw vice main breaker to the on or closed position. Allow the generator to shut down. Full Load Speed Adjust Screw Do not make any unnecessary adjustments. Factory settings are correct for most applica- tions. However, when making adjustments, be careful to avoi
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Section 4 — Operation Air-cooled 15 kW Generators and N2. 4.1 USING THE AUTO/OFF/MANUAL 3. Set the generator’s AUTO/OFF/MANUAL switch to SWITCH (FIGURE 4.1) AUTO. 4. Set the generator’s main circuit breaker to its ON 4.1.1 “AUTO” POSITION (or closed) position. With the preceding steps complete, the generator will Selecting this switch position activates fully automatic start automatically when utility source voltage drops system operation. It also permits starting and exercising below a
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Section 4 — Operation Air-cooled 15 kW Generators � Retransfer to utility power source then occurs. 3. Note position of transfer mechanism main con- tacts by observing the moveable contact carrier F. Engine Cool-down Timer arm. � When the load is transferred back to utility power � Manual operation handle towards the top of source, the engine cool-down timer starts tim- switch mechanism - LOAD terminals (T1, T2) are ing. connected to UTILITY terminals (N1, N2). � The timer will run for about
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Section 4 — Operation Air-cooled 15 kW Generators 7. With an accurate AC voltmeter and frequency 4.4.2 CLOSE TO EMERGENCY SOURCE SIDE meter, check the no-load, voltage and frequency. Before proceeding, verify the position of the switch Single-phase generator supply: by observing the position of the manual operation Measure across ATS terminal lugs E1 to E2. Also handle in Figure 4.2. If the handle is DOWN, the check E1 to NEUTRAL and E2 to NEUTRAL. contacts are closed in the EMERGENCY
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n e s o o L Section 4 — Operation Air-cooled 15 kW Generators 7. Move the switch's main contacts back to their 4.8 PROTECTION SYSTEMS UTILITY position. For example, load connected to UTILITY power supply. Refer to "Manual 4.8.1 LOW OIL PRESSURE SWITCH Operation". Handle and operating lever of trans- This switch (Figure 4.3) has normally closed con- fer switch should be in UP position. tacts that are held open by engine oil pressure during 8. Turn on the UTILITY power supply to transfer c
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Section 5 — Maintenance Air-cooled 15 kW Generators 2. Remove the dipstick and wipe it dry with a clean 4.8.3.1 Approximate Crank Cycle Times cloth. � 15 seconds ON � 7 seconds OFF Figure 5.2 — Oil Dipstick and Fill � 7 seconds ON Oil Dipstick � 7 seconds OFF � Repeat for 45 seconds Approximately 90 seconds total 4.8.4 OVERSPEED Oil Fill This feature protects the generator from damage by shutting it down if it happens to run faster than the preset limit. This protection also prevents the
