Generac Power Systems PowerPact 7.5 kW

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Control Panel/Start-Up/Testing

34 Installation Guidelines for 60 Hz PowerPact™

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Table of Contents3
Section 1: Safety Rules & General Information Introduction5
- Read this Manual Thoroughly5
Safety Messages5
- How to Obtain Service5
Safety Rules6
- General Hazards6
- Exhaust Hazards7
- Electrical Hazards7
- Fire Hazards8
- Explosion Hazards8
- Battery Hazards9
General Rules9
- Before You Begin10
- NEC Requirements10
- Standards Index10
Section 2: Unpacking and Inspection11
General11
Required Tools11
Unpacking11
Parts Shipped Loose13
Section 3: Site Selection and Preparation15
Site Selection15
- Installation Guidelines for Stationary Air-Cooled Generators16
- Annex a - Explanatory Material16
Site Preparation17
- Material Sufficient for Level Installation17
- Transportation Recommendations18
Placement on Roofs, Platforms, and Other Supporting Structures18
Section 4: Generator Placement19
Generator Placement19
Section 5: Fuel Conversion/Gas Connections21
Fuel Requirements and Recommendations21
- BTU Content21
- Fuel Pressure21
Fuel Conversion21
Fuel Consumption22
Fuel Line Sizing23
- Natural Gas Pipe Sizing23
- LP Vapor Pipe Sizing23
Summary23
Installing and Connecting Gas Lines24
- Shutoff Valve24
- Flexible Fuel Line24
- Sediment Trap24
Checking Gas Line Connections25
Section 6: Electrical Connections29
Control Wiring29
Main AC Wiring30
- Utility Service Circuit Breaker (Not Supplied)30
Battery Requirements31
Battery Installation31
Battery Disposal32
Section 7: Control Panel/Start-Up/Testing33
Control Panel Interface33
Control Panel33
Generator Set-Up34
- Generator Activation34
Before Initial Start-Up34
- Engine Oil Recommendations34
- Before Starting, Complete the Following35
- Setting the Exercise Timer35
Check Manual Transfer Switch Operation35
Electrical Checks35
Generator Tests under Load36
Checking Automatic Operation36
Installation Summary37
Shutting Generator down While under Load or During a Utility Outage37
Auxiliary Shutdown Switch37
Section 8: Troubleshooting39
Troubleshooting Guide39
Section 9: Quick Reference Guide41
System Diagnosis41
Section 10: Accessories43
Section 11: Diagrams45
- Installation Drawing 10000022108-A, Page 1 of 245
- Installation Drawing 10000022108-A46
- Wiring Diagram 10000021282-A, Page 1 of 447
- Wiring Diagram 10000021282-A48
- Wiring Diagram 10000021282-A, Page 3 of 449
- Wiring Diagram 10000021282-A, Page 4 of 450

Generac Power Systems PowerPact 7.5 kW - Page 38

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