Summary of Contents for dtp Winpower GR27G4 B Series
- Page 1 PACKAGE STANDBY SYSTEMS GR27G4*/B INSTALLATION AND OPERATIONS MANUAL GR40G4*/B GR40G4 Engine Generator Set...
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Page 2: Table Of Contents
SAVE THESE INSTRUCTIONS TABLE OF CONTENTS This manual contains important instructions that INTRODUCTION should be followed during installation and maintenance GUIDE TO PRODUCT SAFETY of the generator and batteries. BASIC INFORMATION Description Read and understand all instructions in the manual DGC-2020 Engine Control Layout before starting and operating the generator set. -
Page 3: Guide To Product Safety
IMPORTANT SAFETY FIRE HAZARD - Natural gas and L.P. present a hazard of possible explosion and/or fire. INSTRUCTIONS Do not smoke or use open flame near the generator set. Keep a fire extinguisher nearby and know its proper use. SAVE THESE INSTRUCTION Fire extinguishers rated ABC by NFPA are appropriate. -
Page 4: Basic Information
2) ENGINE/GENERATOR TESTING POLICY: GR27G4- The engine generator set consists of a GM 3.0L, I-4 Industrial, four cylinder, liquid cooled engine equipped to run on Before any generator is shipped from the factory, it is fully L.P./N.G. fuel. The engine operates at 1800 rpm and frequency checked for performance. -
Page 5: Dgc-2020 Engine Control Layout
Generator Protection and Metering All metering functions are displayed on the liquid crystal display. The front panel display begins with the SUMMARY SCREEN. Generator protection guards against over voltage, under voltage, Pressing the Right arrow key will open the MAIN MENU screen. under frequency, and over frequency. -
Page 6: Specification Table
J - Reset Push-button. This button is pressed to cancel a Repeat sequence 5 through 8 for day, minute, second and settings editing session and discard any settings changes. When DST (Daylight Saving Time. pressed, this button also resets the Breaker Management Pre- To finish clock setting, process - Press ‘K’... -
Page 7: Preparing The Unit
General Information The engine manufacturer has established an excellent world-wide engine service organization; engine service is available from a nearby authorized dealer or distributor; check the Yellow Pages These engine generator sets are for outdoor installation. These of the telephone directory under “engines,” or ask the dealer from units must be bolted solidly to a concrete pad. -
Page 8: Fuel Line Installation
Connect the fuel supply to the inlet of the fuel solenoid (see table FUEL PRESSURE (vapor system) for recommended line size). The pressure at the secondary demand regulator must be four to six ounces psi (per square Correct fuel pressure cannot be stressed enough. The most inch) or 7 to 11 inches W.C. -
Page 9: Lp Liquid Withdrawal
Notice the preceding tables give two (2) different units of measur- When installing or replacing batteries, use the proper group/size ing fuel pressure. The first is with a pressure gauge calibrated in starting battery. The battery should be a Maintenance Free lead ounces per square inch. -
Page 10: Battery Charger/Block Heater Wiring
properly installed, the normal A.T.S. Control and safety systems Never fill the battery above the fill line. Over filling above the will eliminate all paths for feedback. upper level line may cause the electrolyte to overflow, resulting in corrosion to the engine or nearby parts. Immediately wash off To wire the automatic transfer switch into the existing wiring, first any spilled electrolyte following the procedure above. -
Page 11: Dc Electrical Connections
handle the maximum load current without excessive voltage drop. should be torqued to 250 in. lbs. By code, the wire must be heavy enough to handle the full current B - Generator Circuit Breaker, This circuit breaker provides rating of the main line circuit-breaker (or fuse) in the entrance (or overload protection for the generator. - Page 12 Two control wires are required between the A.T.S. panel and the CONTROL PANEL LAYOUT generator control terminal box. Depending on the distance, 14 to 16 gauge stranded wire should be used. These wires should be A - DGC-2020 Digital Gen-Set Control. See Explanation on labeled S1 and S23.
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Page 13: Initial Start-Up
With the engine running smoothly check the no load voltage and frequency on the digital display. The voltage should be 208/240/ 480 AC depending on which model you have and a frequency of 59.5 To 60.5 hertz (Hz). If you have the proper voltage at the generator the next step is to check the voltage at the generator terminals in the Automatic Transfer Switch. -
Page 14: Lp/Ng Conversion
Loose or dirty battery terminals. Defective "Run/Auto" switch on generator or ATS PANEL WILL NOT RETRANSFER TO NORMAL transfer switch. POWER Defective starter. Defective start solenoid. Proper normal line power not available at line terminals in ATS panel. ENGINE WILL NOT CRANK WITH GENERATOR Defective holding coil in line side contactor. -
Page 15: Voltage Regulator Wiring
the timing advance to 26 degrees. starts to crank. If it is within this range replace the cap on the You are now ready to make the final fuel mixture adjustment. column. If not, adjust the screw down to increase and up to These engines were adjusted at the factory to produce about .7 to decrease and retest. -
Page 16: 277/480 Volt
7270-00 Page 14 60708-141... -
Page 17: 120/240 Volt
7270-00 60708-141 Page 15... -
Page 18: Dc Schematic - Wiring Diagram
7270-00 Page 16 60708-141... -
Page 19: Outline Drawing
7270-00 60708-141 Page 17... -
Page 20: Month Warranty
Limited Warranty WINPOWER, Incorporated warrants to the original purchaser for 12 months or 1000 hours which ever occurs first, that goods manufactured or supplied by it will be free from defects in workman- ship and material, provided such goods are installed, operated and maintained in accordance with WINPOWER written instructions.
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