Generac 004373-1, 004626-0

24 Generac®Power Systems, Inc.

Section 6 — Electrical Data

(Model No. 004626-0) Guardian Liquid-cooled 40 kW Generator

Wiring Diagram (Control Panel) – Drawing No. 0D6974

Contents

Main POWER SYSTEMS, INC. Owners Manual Liquid-cooled, Prepackaged Standby Generators Models: ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION!! *This Manual Should Remain With The Unit* INTRODUCTION READ THIS MANUAL THOROUGHLY CONTENTS OPERATION AND MAINTENANCE HOW TO OBTAIN SERVICE Introduction ......................Inside Front Cover Section 2 Installation ..................................8 Section 3 Operation ..................................12 Section 4 Maintenance ............................14 GENERAL HAZARDS WARNING: !! WARNING: ELECTRICAL HAZARDS FIRE HAZARDS EXPLOSION HAZARDS 1.1 UNPACKING/INSPECTION 1.1.1 LIFTING THE GENERATOR 1.2 THE GENERATOR 1.3 GENERATOR AC CONNECTION SYSTEMS Figure 1.1 Single-phase Generator AC Connection System 1.5 MAIN CIRCUIT BREAKER 1.6 ENGINE PROTECTIVE DEVICES 1.6.1 LOW OIL PRESSURE SWITCH Figure 1.2 Engine Protective Devices 1.6.2 HIGH COOLANT TEMPERATURE SWITCH 1.8 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8.1 CONVERSION TO LP GAS VAPOR Section 1 General Information 1.9 ENGINE OIL RECOMMENDATIONS 1.10 COOLANT 1.11 EMISSIONS CONTROL SYSTEM Figure 1.3 - Emissions Control System AIR FUEL RATIO CONTROLLER 2.1 BASIC STANDBY ELECTRIC SYSTEM STANDBY GENERATOR INSTALLATION Figure 2.1 Basic Standby Electric System 2.2 EMERGENCY CIRCUIT ISOLATION METHOD 2.3 TOTAL CIRCUIT ISOLATION METHOD 2.4 GROUNDING THE GENERATOR Figure 2.2 Generator Grounding Lug (typical) 2.5 GENERATOR AC NEUTRAL CONNECTIO NS 2.7 BATTERY INSTALLATION 2.7.1 VENTED BATTERIES 2.8 PREPARATION BEFORE START-UP 2.8.1 PRIOR TO INITIAL START-UP 2.8.2 Transfer Switch Figure 2.3 - Base Frame Cap Plugs 2.8.3 Fuel System 2.8.4 Generator Set Lubrication 3.1 CONTROL CONSOLE COMPONENTS Figure 3.1 Control Console 3.1.1 AC VOLTMETER 3.1.2 AC AMMETER 3.1.3 AC FREQUENCY METER 3.2.2 OFF POSITION 3.2.3 MANUAL POSITION 3.3 AUTOMATIC TRANSFER OPERATION 3.4 SEQUENCE OF AUTOMATIC OPERATION 3.5 ENGINE HEATER 3.6 WEEKLY EXERCISE CYCLE OUTLET Figure 3.3 Set Exercise Switch on Control Panel T 4.1 CHECKING THE ENGINE OIL LEVEL 4.2 CHANGING THE ENGINE OIL AND FILTER 4.2.1 Engine Oil Recommendations 4.2.2 Oil and Filter Change Procedure Figure 4.2 Oil Filter 4.3 CHANGING THE ENGINE AIR CLEANER Figure 4.3 Engine Air Cleaner 4.4 SPARK PLUGS Figure 4.4 Setting the Spark Plug Gap 4.5 BATTERY MAINTENANCE Battery replacement 4.6 COOLING SYSTEM 4.7 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM 4.8 DC FUSE Figure 4.4 Location of 15-amp Fuse 4.9 ENGINE COOLANT 4.10.2 Rodent Protection 4.11 OUT OF SERVICE PROCEDURE 4.11.1 Removal From Service 4.11.2 Return To Service 4.12 SERVICE SCHEDULE 5.1 TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION GeneracPower Systems, Inc. 21 VM TS1 LEGEND F2 D1 R1 SW1 SW2 22 GeneracPower Systems, Inc. GeneracPower Systems, Inc. 23 LEGEND F2 F1 AVR Page Page Page Page J 183 (Model Nos. 004373-1 & 004262-0) Guardian Liquid-cooled 40 kW Generators NB CP B A S CUSTOMER CONNECTION AS TS3 TS3 TS4 TS4 NB NB PANEL FACE VHz +- 30 GeneracPower Systems, Inc. HRS VDC Page 32 GeneracPower Systems, Inc. VDC HRS PANEL FACE AV Hz - (Model No. 004626-0) Guardian Liquid-cooled 40 kW Generators Control Panel - Drawing No. 0D6978-A Page Page Page Page Page Page Page Page Page Page "A" To "A" Page Page Page Page Page Page Page Page Page Page Page Page 56 GeneracPower Systems, Inc. Section 9 Installation Drawings Guardian Liquid-cooled 40 kW Generators Installation Drawing Drawing No. 0D5335 GeneracPower Systems, Inc. 57 Section 9 Installation Drawings C Guardian Liquid-cooled 40 kW Generators Installation Drawing Drawing No. 0D5335 INSIDE STUB-UP FOR FUEL CONNECTIONS WARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING: GENERACPOWER SYSTEMS, INC. P.O. BOX 297 WHITEWATER, WI 53190