Page 3 - DANGER; Despite the safe design of this generator,; GENERAL HAZARDS; Standby Generator Sets
Study these SAFETY RULES carefully before install-ing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The generator can operate safely, efficiently and reli-ably only if it is properly installed, operated and maintained. Many accidents are caused b...
Page 5 - INTRODUCTION; READ THIS MANUAL THOROUGHLY; After this heading, read explanatory statements; OPERATION AND MAINTENANCE
1-3 INTRODUCTION Thank you for purchasing this model of the standby generator set product line. Every effort was expended to make sure that the information and instructions in this manual were both accurate and current at the time the manual was written. However, the manufacturer reserves the right ...
Page 6 - IDENTIFICATION RECORD; DATA LABEL; Generator Model and Serial Number; — Designates generators capable of paralleling.; Voltage Codes
IDENTIFICATION RECORD DATA LABEL Every generator set has a DATA LABEL that contains important information pertinent to the generator. The data label, which can be found attached to the gen-erator’s lower connection box, lists the unit’s serial number and its rated voltage, amps, wattage capacity, ph...
Page 7 - EQUIPMENT DESCRIPTION; • Rotor and Stator insulation is Class H rated as; ENGINE OIL RECOMMENDATIONS; Any attempt to crank or start the engine before; COOLANT RECOMMENDATIONS; Do not use any chromate base rust inhibitor; Do not remove the radiator pressure cap while
EQUIPMENT DESCRIPTION This equipment is a revolving field, alternating cur-rent generator set. It is powered by a gaseous fueled engine operating at 1800 rpm for 4-pole direct drive units, 3600 rpm for 2-pole direct drive units and 2300 - 3000 rpm for quiet drive gear units. See the Specifications s...
Page 8 - ENGINE PROTECTIVE DEVICES
ENGINE PROTECTIVE DEVICES The standby generator may be required to operate for long periods of time without an operator on hand to monitor such engine conditions as coolant tempera-ture, oil pressure or rpm. For that reason, the engine has several devices designed to protect it against potentially d...
Page 9 - FUEL SYSTEM; FUEL REQUIREMENTS; natural gas is 11 inches; NATURAL GAS FUEL SYSTEM
FUEL SYSTEM FUEL REQUIREMENTS The standby generator may be equipped with one of the following fuel systems: • Natural gas fuel system• Propane vapor (PV) fuel system• Liquid propane (LP) fuel systemThe Manual Drawing Listing that is affixed to the unit includes the “Identification Code,” which may b...
Page 10 - SPECIFICATIONS; GENERATOR; kW; ENGINE; Exercise; ELECTRICAL SYSTEM; Voltage and Gain
SPECIFICATIONS GENERATOR Type ............................................................................. SynchronousRotor Insulation ................................................................... Class HStator Insulation .................................................................. Clas...
Page 11 - COLD WEATHER KIT; Figure 1 — Interconnections
COLD WEATHER KIT For cold climates, optional cold weather kit (part num-ber 0F6148A) is recommended. The kit includes: • Battery Warmer• 4” Junction Box with hardware• Thermostat; 20 deg “ON”, 40 deg “OFF”• 6 qt. pack 5W-30 synthetic oil (engine) Figure 1 — Interconnections 6-2 Standby Generator S...
Page 13 - GENERATOR AC LEAD CONNECTIONS; Figure 7.2 — Stator Power Winding; Figure 7.3 — Stator Power Winding
GENERATOR AC LEAD CONNECTIONS See “Voltage Codes”. This generator may be rated at any one of three voltages, either single-phase or three-phase. The electrical wires in the unit’s AC con-nection (lower) panel should be installed according to the number of leads and the voltage/phase required for the...
Page 14 - Prior to initially starting the generator, it must; Inspect for the following.
INSTALLATION Refer to the separate “Installation Guide QT Product Line” supplied with the unit. PREPARATION BEFORE START-UP The instructions in this section assume that the standby generator has been properly installed, ser-viced, tested, adjusted and otherwise prepared for use by a competent, quali...
Page 15 - Before working on the generator, ensure the fol-; • The AUTO/OFF/MANUAL switch is in the OFF; PREPARATION FOR START-UP
START-UP CHECKLIST Before working on the generator, ensure the fol- lowing: • The AUTO/OFF/MANUAL switch is in the OFF position. • The 120VAC supply to the battery charger is switched OFF. PREPARATION FOR START-UP • Ensure that the 120VAC circuit breaker to the bat- tery charger is open. • Remove ...
Page 16 - The Maintenance Disconnect Switch and the; RETRANSFER AND SHUTDOWN
GENERATOR CONTROL AND OPERATION Refer to the appropriate control panel operator’s manual for this unit. OPERATING UNIT WITH MANUAL TRANSFER SWITCH If the generator was installed in conjunction with a transfer switch capable of manual operation only, the following procedure applies. A manually operat...
Page 17 - COOLING SYSTEM; The exhaust system parts from this product get; CHECKING FLUID LEVELS; Figure 10.1 - Oil Dipstick and Oil Fill Cap; Oil Fill
MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIES Before working on the generator, ensure the fol- lowing: • The AUTO/OFF/MANUAL switch is in the OFF position. • The 15A fuse has been removed from the con- trol box. • The 120VAC supply to the battery charger is switched OFF. EVERY THREE MONTH...
Page 18 - Do not attempt to adjust the governor. Only
ENGINE COOLANT Check coolant level in coolant recovery bottle. See the “Specifications” section. • Add recommended coolant mixture as necessary.• Periodically remove radiator pressure cap to make sure the coolant recovery system is functioning properly. Coolant should be at bottom of radiator filler...
Page 19 - Start engine and check for oil leaks.; Oil Filter; CHANGING THE ENGINE AIR CLEANER; Figure 10.3 — Engine Air Filter; Air Filter; SPARK PLUGS; Clean the area around the base of the spark plugs; Figure 10.4 – Setting the Spark Plug Gap; COOLANT CHANGE; MISCELLANEOUS MAINTENANCE; CLEANING THE GENERATOR
7. Start engine and check for oil leaks. Figure 10.2 - Oil Filter OilDipstick Oil Filter CHANGING THE ENGINE AIR CLEANER To replace the engine air cleaner, (part number 0A4637), remove the air cleaner cover and replace the air filter making sure it is positioned properly before reattaching the cover...
Page 20 - Storage batteries give off explosive hydrogen; BATTERY REPLACEMENT; REPAIR PARTS
Finally, have the insulation resistance of stator and rotor windings checked. If insulation resistances are excessively low, the generator may require drying. BATTERY All lead-acid storage batteries discharge when not in use. Refer to specific instructions and warnings that accompany the battery. If...
Page 21 - SERVICE SCHEDULE; 0 KW - 150 KW STANDBY GAS ENGINE DRIVEN GENERATOR SETS; operation when required.; required, and to identify any potential problem areas.
SERVICE SCHEDULE 30 KW - 150 KW STANDBY GAS ENGINE DRIVEN GENERATOR SETS The following is a recommended maintenance schedule for standby gas engine driven generator sets from 30kW to 150 kW in size. The established intervals in the schedule are the maximum recommended when the unit is used in an ave...
Page 25 - TROUBLESHOOTING GUIDE; PROBLEM CAUSE; *Contact the nearest Authorized Dealer for assistance.
TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION Engine won’t crank. 1. 15 amp fuse blown. 1. Replace fuse. 2. Loose or corroded or defective 2. Tighten, clean or replace battery cables. battery cables as necessary. 3. Defective starter contactor. 3. Replace contactor.* 4. Defective starter motor. 4. ...
Page 76 - GENERAC POWER SYSTEMS STANDARD LIMITED WARRANTY FOR
Standby Generator Sets Warranty Printed in U.S.A. GENERAC POWER SYSTEMS STANDARD LIMITED WARRANTY FOR COMMERCIAL PRODUCT 50kW AND ABOVE For a period of two (2) years from the date of sale, or start-up by Authorized/Certified Generac Power Systems Dealer, or branch thereof, Generac Power Systems, Inc...