Generac Power Systems QT027 User's Manual
Contents
1. I 62 2 46 02 DOOR TYP A 33 5 i SEE INSTALL DWG 0G9370 FOR DETAILS FRONT VIEW WEIGHT 891 Ibs GENERAC Generac Power Systems Inc 45 W29290 HWY 59 Waukesha WI 53189 generac com 2009 Generac Power Systems Inc All rights reserved All specifications are subject to change without notice Bulletin 0177710SBY Printed in U S A 05 08 rev 03 092. F above F Altitude Deration 1 for every 100 m above m 3 for every 1000 ft above ft ENCLOSURE Material Aluminum Color PMS 422 Bisque RATING All three phases units are rated at 0 8 power factor All single phase units are rated at 1 0 power factor STANDBY RATING Standby ratings apply to installations served by a reliable utility source The standby rating is applicable to varying loads for the duration of a power outage There is no overload capability for this rating Ratings are in accordance with ISO 3046 1 Design and specifications are subject to change without notice INTERCONNECTIONS QT027 eee Utility In CONTROL PANEL O O O NEUTRAL TO 2 ALTERNATOR a am NEUTRAL GENERATOR c3 CONNECTION CIRCUIT BOX 183 BREAKER 178 Battery Charger a Transfer Switch To Generator Control Panel FRAME RAIL CIRCUIT BREAKER SIZE KW VOLTS AMPS LUG SIZE 27 2401 125 2 to 1 0 Ground Level 27 208 3 100 4 to 1 0 Concrete Slab SA wate oL 27 24030 90 4 to 1 0 Dimensions Installation Drawing Ref No 0G0325 INSTALLATION LAYOUT
3. Applicable for supplying emergency power for the duration of the utility power outage No overload capability is available for this rating All ratings in accordance with BS5514 1S03046 IS08528 and DIN6271 GENERAC re QT027 8 TA a ee GENERATOR OUTPUT VOLTAGE KW 60Hz KW Nat Gas AMP KW LPG AMP CB Size Both 120 240V 1 phase 1 0 pf 25 104 27 112 125 120 208V 3 phase 0 8 pf 25 87 27 94 100 120 240V 3 phase 0 8 pf 25 75 27 81 90 GENERATOR LOCKED ROTOR KVA AVAILABLE VOLTAGE DIP OF 35 Single phase or 208 3 phase ENGINE FUEL CONSUMPTION Natural Gas Propane Natural Gas 25 kW Propane 27 kW ft hr gal hr cu ft hr Exercise cycle 42 0 44 16 25 of rated load 108 1 2 44 50 of rated load 197 2 2 81 75 of rated load 287 3 2 118 100 of rated load 359 4 1 147 ENGINE COOLING Air flow inlet air including alternator and combustion air ft min 2 400 System coolant capacity US gal 2 5 Heat rejection to coolant BTU hr 120 000 Max operating air temp on radiator C F 60 150 Max ambient temperature C F 50 140 COMBUSTION AIR REQUIREMENTS Flow at rated power 60 Hz SOUND EMISSIONS IN DBA Exercising at 7 meters Normal operation at 7 meters EXHAUST Exhaust flow at rated output 60 Hz Exhaust temp at muffler outlet ENGINE PARAMETERS Rated synchronous RPM HP at rated KW POWER ADJUSTMENT FOR AMBIENT CONDITIONS Temperature Deration 3 for every 10 C above C 1 65 for every 10
4. LED Indicators GENERATOR FEATURES O Revolving field heavy duty generator O Directly connected to the engine O Operating temperature rise 120 C above a 40 C ambient O Insulation is Class H rated at 150 C rise O All models are fully prototyped tested CONTROL PANEL FEATURES O SEVEN LED INDICATOR LIGHTS CM ADDITIONAL FUNCTIONS e System ready e Utility sensing e Low fuel pressure e Delay on utility failure for engine start e Low battery e Engine warm up before transfer e Low oil pressure e Delay to retransfer to utility e High coolant temp low coolant temp Engine cooldown timer e Overspeed e Exerciser not set e Overcrank e Hour meter O INTERNAL FUNCTIONS e 3 position switch auto off and manual e 2 wire start for any transfer switch e Communicates with the Generac RTS transfer switch e Built in 7 day exerciser e Selectable engine speed at exercise e Governor controller is built into the master control board e Temperature range 40 C to 70 C QT027 ENGINE SPECIFICATIONS IMAI EEE EE E E EEEE E EE EE EERTE EEE ETER Generac MODE beree atte aise edeucistaenclaeeasa ence E S EENIA Inline 4 OA ANINI ERS ee EPE EEP E ENERE EPERE EEEE E EEE 4 DISPLACEMEN Tinerimea a a a E AET 2 4 Liter CAE e e aA E a E 3 41 SIROKE raeo eetere arnet aii eenei ea aeeranmunee 3 94 COMPRESSION RATIO cscssessessessessessessesssssesscsusssssussussucsussessussssssesecsesseeseeseeneens 8 5 1 INTAKE AIR SYSTIEM csicecscssteecoss
5. QT027 Liquid Cooled Gas Engine Generator Sets Standby Power Rating 27 kW 60 Hz TTA TRUE LEALEA ALO PETAL EATER STANDARD EQUIPMENT F All input connections in one single area High coolant temperature shutdown Low oil pressure shutdown Low coolant level automatic shutdown Overspeed automatic shutdown Crank timer Exercise timer Oil drain extension Cool flow radiator Closed coolant recovery system UV Ozone resistant hoses Watertight state of the art electrical connectors EATURES Innovative design and fully prototype tested UL2200 Listed Solid state frequency compensated voltage regulator Dynamic and static battery charger Sound attenuated acoustically designed enclosure Quiet test for low noise level exercise Acoustically designed engine cooling system High flow low noise factory engineered exhaust system State of the art digital control system with R100 digital control panel e GENERAC AUUE LLELLE LELUN AWAA AAA GENERAC 2 4L ENGINE Naturally Aspirated Gaseous Fueled Meets 2009 EPA Emission Regulations Mainline circuit breaker Radiator drain extension Battery charge alternator 2 Amp static battery charger Battery cables Battery rack Fan and belt guards Isochronous governor Flex fuel line Hour meter Watertight electrical connectors Rodent proof construction High efficiency low distortion Generac designed alternator Vibration isolated from mounting ba
6. cdisesstssstsaertensstinseseescetvfascdantectians Naturally Aspirated VAVE SEATS ieiet sereen ena er eaa aa aeaa EA eaaa cated easter st artittacss Hardened LIFTER TYPE i ania aeea eara rer SE ENE EEE Hydraulic GOVERNOR SPECIFICATIONS VOIP AEEA ETE EEA AAEE TEATE ETATE ETEA Electronic FREQUENCY REGULATION jssrariussnniieonucanasinnen idin Isochronous STEADY STATE REGULATION cccccsccssessessssscssessesssssssssstssssnesnsstessssesseeseseeses 0 25 ADJUSTMENTS FOR CCUM 2 scesceessctatesn EAE AA EA Yes Droop aaar Gaia aaran aA ANENE AE TT Yes ENGINE LUBRICATION SYSTEM QIE PUMP censuran nana EE URE E r EE EA EEE E E A A CRANKCASE CAPACITY ENGINE COOLING SYSTEM TYPE seesseszescessewlstecectedersancstetvvtarens aa i aas Closed Ma AA e E E E E strate testakcenteustaectiats cael Belt driven FAN SPEED a in E a eines 1980 FAN DIAMETER eessescsecsseeesseesseeesneessessueesneessusesneeesueesneesseesneensneenneete 17 75 inches PAN MODE iteraa a a E ET Pusher FUEL SYSTEM FUEL TYPE uuina Natural gas propane vapor CARBURETOR nnna a UARN Down Draft SECONDARY FUEL REGULATOR ssiri asiishi iinnat Standard FUEL SHUT OFF SOLENOID assawasii an diene all a ie Standard OPERATING FUEL PRESSURE ELECTRICAL SYSTEM 5 14 H20 BATTERY CHARGE ALTERNATOR 12V 30 Amp STATIC BATTERY CHARGER reinis a a 2 Amp RECOMMENDED BATTERY srisiniiaan na Group 26 525CCA SYSTEM VOWIAGE arenneren O ccs 12 Volts Rating definitions Standby
7. se Matching Generac transfer switches engineered and tested to work as a system All components easily accessible for maintenance Electrostatically applied powder paint GENERAC APPLICATION amp ENGINEERING DATA GENERATOR SPECIFICATIONS TYPE sssssiscevesstesivvssscvcriccevertinacvsaistssicvesattbsveenstssicrsessdisanieertieaiauntdniadeansiaa Synchronous ROTOR INSULATION asitecitasa ites occas ara a AN Class H STATORINSULATION niniin sisisi aasan Class H TOTAL HARMONIC DISTORTION cnain anana lt 5 TELEPHONE INTERFERENCE FACTOR TIF ssesssseessssesesseeessneessseeesneeeesnesenees lt 50 ALTERNATOR OUTPUT LEADS 3 PHASE ssscsssssesssseessseesssnteeesneseesnteeseneetey 4 wire BEARINGS sitiscd eetsae stra ies teas rare eR Sean Sealed Ball COUPLING eeeseeesseessseesseeesneesseeesneesseesnsesseesseesneessnsesutenseesneessneesntennetsess Flexible Disc LOAD CAPACITY STANDBY RATING 0 scsssssscssesseeessneeesnneesssseesnieeesneees 27 kW EXCITATION SYSTEM d ssss cccscsecssccsesaspsssecacssszcsesssastaszechsieenisseceasabietesteancpeeutnatbsaeeh Direct NOTE Generator rating and performance in accordance with 1S08528 5 BS5514 SAE J1349 1S03046 and DIN6271 standards VOLTAGE REGULATOR WY PB E ER AE E EEE Electronic SENSING Single Phase REGULATION sscncsuachsaieat datadtanatiidinetnalinanivat datudenaticdincaibainaniges 1 FEATURE Sinipa afee aaae aR aaas V F Adjustable Adjustable Voltage and Gain
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