CAC / BDP FOR BYPASS AND FAN POWERED HUMIDIFIERS Owner's Manual - Specifications
SPECIFICATIONS
GENERATOR
Type ............................................................................. Synchronous
Rotor Insulation ................................................................... Class H
Stator Insulation .................................................................. Class H
Total Harmonic Distortion ..........................................................<5%
Telephone Interference Factor (TIF) ..........................................< 50
Alternator Output Leads 3-phase ........................................... 4-wire
Bearings .........................................................................Sealed Ball
Coupling .......................................................................Flexible Disc
Load Capacity (Standby Rating) ............................................48kW*
* NOTE: Generator rating and performance in accordance with ISO8528-5, BS5514, SAE J1349,
ISO3046 and DIN 6271 Standards. KW rating is based on LPG fuel and may derate with natural
gas.
Excitation System ....................................................................Direct
Generator Output Voltage/kW - 60 Hz
kW
Amp
CB Size
120/240V, 1-phase, 1.0 pf
48
200
200
120/240V, 3-phase, 0.8 pf
48
144
150
120/208V, 3-phase, 0.8 pf
48
166
175
277/480V, 3-phase, 0.8 pf
48
72
80
Generator Locked Rotor KVA Available @ Voltage Dip of 35%
Single-phase or 208, 3-phase (48kW) ............................... 90 KVA
480V, 3-phase (48kW) ...................................................... 120 KVA
ENGINE
Make ................................................................................... Generac
Cylinders and Arrangement ................................................ 6, V-type
Displacement ....................................................................... 4.2 Liter
Bore .....................................................................96.8 mm (3.81 in.)
Stroke .....................................................................95 mm (3.74 in.)
Compression Ratio ...............................................................9.3-to-1
Air Intake System ...............................................Naturally Aspirated
Valve Seats ......................................... Precision Ground, Hardened
Lifter Type ...............................................................Roller, Hydraulic
Engine Parameters
Rated Synchronous RPM ..............................................60 Hz, 1800
HP at rated kW (48kW) ................................................................ 71
Exhaust System
Exhaust Flow at Rated Output 60 Hz (48kW) ..................... 250 cfm
Exhaust Temp. at Rated Output (48kW) .............................. 1100° F
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz (48kW) ..................................... 120 cfm
Governor
Type .................................................................................. Electronic
Frequency Regulation ...................................................Isochronous
Steady State Regulation ......................................................± 0.25%
Engine Lubrication System
Type of Oil Pump ...................................................................... Gear
Oil Filter ............................................... Full Flow Spin-on, Cartridge
Crankcase Oil Capacity .................................................5.0 U.S. qts.
COOLING SYSTEM
Type ...................................................Pressurized Closed Recovery
Water Pump .................................................................... Belt Driven
Fan Speed .........................................................................1300 rpm
Fan Diameter .....................................................................22 inches
Fan Mode ................................................................................ Puller
Air Flow (inlet air including alternator and
combustion air) ...........................................................2460 ft
3
/min.
Coolant Capacity ............................................. 11.4 L (3.0 U.S. gal.)
Heat Rejection to Coolant (48kW) ..............................165,000 Btu/h
Maximum Operating Air Temp. on Radiator ..............60° C (150° F)
Maximum Ambient Temperature ................................50° C (140° F)
FUEL SYSTEM
Type of Fuel ......................................... Natural Gas, Propane Vapor
Carburetor ...................................................................... Down Draft
Secondary Fuel Regulator .................................................Standard
Fuel Shut-off Solenoid ........................................................Standard
Operating Fuel Pressure ...................... 5 in. - 14 in. Water Column
Fuel Consumption - ft
3
/hr (Natural Gas/LPV)
Exercise
25% 50% 75% 100%
Cycle
Load
Load
Load
Load
48kW 88/34.4 205/81 370/147 516/204 661/261
ELECTRICAL SYSTEM
Battery Charge Alternator ............................................12V, 30 Amp
Static Battery Charger .........................................................2.5 Amp
Recommended Battery .....................................Group 24F, 525CCA
System Voltage .....................................................................12 Volts
Voltage Regulator
Type .................................................................................. Electronic
Sensing ........................................................................ Single-phase
Regulation ................................................................................± 1%
Features ................................................. V/F Adjustable, Adjustable
Voltage and Gain LED Indicators
Power Adjustment for Ambient Conditions
Temperature Deration
3% for every 10° C above °C (48kW) ........................................ 25
1.65% for every 10° above °F (48kW) ....................................... 77
Altitude Deration
1% for every 100 m above m (48kW) ...................................... 183
3% for every 1000 ft. above ft. (48kW) ..................................... 600
Controller .................................... R-200B Series
6-1
Standby Generator Sets
Specifications
GenSpec053 Rev.
A 07/08