Generac Power Systems 8 kW LP - Manual (Page 11)

Part 1
GENEral
iNformatioN
air-cooled, automatic
standby Generators
Page 9
taBlE of coNtENts
Part titlE PaGE
1.1 Generator identification 10
1.2 installation Basics 11
1.3 Non-Prepackaged
interconnections
14
1.3 Preparation Before use 16
1.4 testing, cleaning and Drying 18
1.5 Engine-Generator Protective
Devices
25
1.6 operating instructions 27
1.7 automatic operating
Parameters
29
1.1 Generator Identification ................................... 10
Introduction ......................................................10
1.2 Installation Basics ............................................ 11
Introduction ......................................................11
Selecting A Location ........................................11
Grounding The Generator ................................11
The Fuel Supply ...............................................11
The Transfer Switch / Load Center ...................11
Power Source And Load Lines .........................13
System Control Interconnections .....................13
Natural Gas Fuel Interconnections ..................13
1.3 Non-prepackaged Interconnections ................ 14
Connect a Pre-2008 Load Center Switch
To a Current or Future
Air-Cooled Generator. ..................................14
Connect a 2008 And Later Load Center
Switch to a Pre-2008
Air-Cooled Generator. ..................................15
1.4 Preparation Before Use ................................... 16
General ............................................................16
Fuel Requirements...........................................16
Fuel Consumption ............................................16
Reconfiguring The Fuel System .......................16
Engine Oil Recommendations .........................18
1.5 Testing, Cleaning and Drying........................... 19
Meters ............................................................19
The Vom ...........................................................19
Measuring AC Voltage .....................................19
Measuring DC Voltage .....................................19
Measuring AC Frequency ................................19
Measuring Current ...........................................20
Measuring Resistance .....................................20
Electrical Units .................................................21
Ohm’s Law .......................................................21
Visual Inspection ..............................................22
Insulation Resistance .......................................22
The Megohmmeter...........................................22
Stator Insulation Resistance Test (12-20kW) ...23
Stator Insulation Resistance Test (8-10kW) .....23
Rotor Insulation Resistance Test (8-10kW) ......24
Rotor Insulation Resistance Test (12-20kW) ....24
Cleaning The Generator...................................24
Drying The Generator ......................................24
1.6 Engine-Generator Protective Devices ............. 25
General ............................................................25
Low Battery ......................................................25
Low Oil Pressure Shutdown .............................25
High Temperature Switch .................................25
Overspeed Shutdown ......................................25
Rpm Sensor Failure .........................................25
Overcrank Shutdown .......................................26
1.7 Operating Instructions ..................................... 27
Control Panel ...................................................27
To Select Automatic Operation ........................28
Manual Transfer To “Standby”
and Manual Startup .....................................28
Manual Shutdown And
Retransfer Back To “Utility” ..........................28
1.8 Automatic Operating Parameters .................... 29
Introduction ......................................................29
Automatic Operating Sequences .....................29