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Owner’s Manual

8, 10, 14, 17 & 20kW Air-cooled,

Automatic Standby Generators

DANGER

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY!

Not intended for use as Primary Power in place of utility

or in life-support applications.

LISTED

C

US

DO NOT LIFT UNIT BY ROOF!

Summary of Contents for 10kW

Page 1: ...20kW Air cooled Automatic Standby Generators DANGER DEADLY EXHAUST FUMES OUTDOOR INSTALLATION ONLY Not intended for use as Primary Power in place of utility or in life support applications LISTED C US...

Page 2: ...on each indicates follows This symbol points out important safety informa tion that if not followed could endanger per sonal safety and or property of others This symbol points out potential explosion...

Page 3: ...re Initial Startup 14 2 2 Electrical Checks 14 2 3 Generator Tests Under Load 15 2 4 Checking Automatic Operation 15 2 5 Engine Governor Adjustment 16 2 6 Voltage Regulator Adjustment 16 Section 3 Ope...

Page 4: ...able codes and standards Install a battery operated carbon monoxide alarm indoors according to manufacturer s instructions recommendations Adequate unobstructed flow of cooling and ventilating air is...

Page 5: ...ator is installed in accordance with the manufacturer s instructions and recommendations Following proper installa tion do nothing that might alter a safe installation and render the unit in noncompli...

Page 6: ...rred There is also a System Set LED single cylinder or a Status message on the display V twins that displays when all of the conditions described in the System Set LED section are true 1 3 NEC REQUIRE...

Page 7: ...ration of the engine s life This engine is certified to operate on Liquid Propane fuel and pipeline Natural Gas The emission control system on the generator consists of the following Fuel Metering Sys...

Page 8: ...site Base Oil Filter Battery Compartment Fuel Regulator Fuel Inlet back Air Filter Circuit Breakers GFCI Outlet All 17 20kW Control Panel Figure 1 3 14 17 and 20kW V twin GT 990 GT 999 Engine door rem...

Page 9: ...cent for each 1 000 feet above sea level and also will decrease about 1 percent for each 6 C 10 F above 16 C 60 F ambient temperature Load current values shown for 120 volts are maximum TOTAL values f...

Page 10: ...talled verify that the fuel pressure NEVER drops below four 4 inches water column for natural gas or 10 inches water column for liquid propane Prior to installation of the generator the installer shou...

Page 11: ...oor and close the roof 8 Reverse the procedure to convert back to natural gas Figure 1 4 Fuel Selector NOTE Use an approved pipe sealant or joint compound on all threaded fittings to reduce the possib...

Page 12: ...st four 4 feet of clear ance above the generator three 3 feet of clearance on sides and front and 18 inches of clearance at back of unit Install the unit where rain gutter down spouts roof run off lan...

Page 13: ...has been demonstrated that a fire within the enclosure will not ignite combustible materials outside the enclosure Annex A Explanatory Material A4 1 4 2 Means of demonstrating compliance are by means...

Page 14: ...t of the generator should be 36 inches This would include shrubs trees and any kind of vegetation Clearance at the top should be a minimum of 48 inches from any structure overhang or projections from...

Page 15: ...loding A battery presents a risk of electrical shock and high short circuit current The following pre cautions are to be observed when working on batteries Remove the 7 5A fuse from the generator cont...

Page 16: ...o the dipstick FULL mark with the recommended oil Do not fill above the FULL mark 5 Check the fuel supply Gaseous fuel lines must have been properly purged and leak tested in accordance with applicabl...

Page 17: ...o its ON or CLOSED position Loads are now powered by the standby generator 9 Turn ON the load center fed by the transfer switch T1 and T2 10 Connect an accurate AC voltmeter and a frequency meter acro...

Page 18: ...UNITS NOTE All V twin units DO NOT require an engine governor adjustment due to their design 2 5 3 ADDITIONAL CORROSION PROTECTION Periodically spray all engine linkage parts and brackets with corro...

Page 19: ...nerator Control Panel ENTER ECS 3 1 2 SETTING THE EXERCISE TIMER This generator is equipped with an exercise timer Once it is set the generator will start and exercise every seven days on the day of t...

Page 20: ...ys This page can be accessed at any time with several presses of the dedicated Escape key Each press of the Escape key takes you back to the previous menu until the main menu is reached This page disp...

Page 21: ...seconds Will transfer back when utility returns for 10 consecutive seconds The engine will continue to run until removed from the Manual mode 2 Auto Will start and run if Utility fails for 10 consecut...

Page 22: ...ystem to automatic operation as outlined in Automatic Transfer Operation section 3 5 SIDE COMPARTMENT V TWIN ONLY FIGURES 3 4 3 5 Local codes may require this compartment to be locked A hasp is provid...

Page 23: ...Temperature Switches Oil Filter Oil Drain Hose Low Oil Switch HighTemp Switch Loosen NOTE The oil drain hose may be routed in the opposite direction as shown in figure Over Speed Shutdown Alarm 4320...

Page 24: ...The maintenance counters will be adjusted to the new time and date NOTE Since most maintenance alerts will occur at the same time most have two 2 year intervals only one will appear on the display at...

Page 25: ...ngine by moving the AUTO OFF MANUAL switch to MANUAL and run until it is thoroughly warmed up Then shut OFF the engine by moving the switch to the OFF position 2 Immediately after the engine shuts OFF...

Page 26: ...e location of the air cleaner Use the following procedure Figure 4 6 1 Lift the roof and remove the door 2 Turn the worm gear clamp screw counterclockwise to loos en 3 Pull the old filter off the divi...

Page 27: ...ctrolyte has been known to be harmful to the skin and eyes and to be toxic The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes It is electrically conductive and corrosive Th...

Page 28: ...n wrench and tighten the rocker arm jam nut Tighten the jam nut to 174 in lbs torque After tightening the jam nut recheck valve clearance to make sure it did not change Install new valve cover gasket...

Page 29: ...2 Check the tag on the engine for oil viscosity and classification Verify that the correct recommended oil is used in the engine see the Engine Oil Recommendations section If necessary drain and refi...

Page 30: ...ING Enclosure louvers X X W BATTERY Remove corrosion ensure dryness X X M Clean and tighten battery terminals X X M Check charge state X R EVERY 6 M Electrolyte level X R EVERY 6 M ENGINE AND MOUNTING...

Page 31: ...2 Clean re gap or replace plug s 3 Fuel pressure incorrect 3 Confirm fuel pressure to regulator is 10 12 water column 0 36 0 43 psi for LP and 5 7 water column 0 18 0 25 psi for natural gas 4 Fuel sel...

Page 32: ...to select the the desired screen refer to the Menu System diagram 6 1 1 CHANGING SETTINGS EDIT MENU To change a setting such as display contrast go to the EDIT menu and use the keys to navigate to the...

Page 33: ...or Other 60 Hz The possible Status messages of the display are as follows Switched Off Time Date Ready to Run Time Date Utility Loss Delay Pausing for X Seconds Cranking Attempt X Running in Exercise...

Page 34: ...RAL GROUND POWER LEADS AND TRANSFER SWITCH LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS EXCEPTIONS IF THE INSULATION RATING ON ALL WIRING IS RATED FOR 600V AND THE LENGTH OF THE CONDUIT IS 30 ft OR LES...

Page 35: ...NEUTRAL GROUND UTILITY METER SOCKET POWER LEADS AND TRANSFER SWITCH LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS EXCEPTIONS IF THE INSULATION RATING ON ALL WIRING IS RATED FOR 600V AND THE LENGTH OF T...

Page 36: ...34 Section 7 Installation Diagrams Air cooled Generators Generator Drawing No 0G8280 D...

Page 37: ...35 Section 7 Installation Diagrams Air cooled Generators Generator Drawing No 0G8280 D...

Page 38: ...e neglect improper maintenance or unapproved modifications or the use of counterfeit and or grey market parts not made supplied or approved by Generac You are responsible for contacting a Generac Auth...

Page 39: ...section 4 below Any such emissions related part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement poi...

Page 40: ...Part No 0H4762 Revision A 07 28 09 Printed in U S A...

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