Generac Power Systems 004992-1, 004992-0, 004992-0, 004992-1 owner manual Table of Contents

Table of Contents

Guardian 40kW Liquid-cooled Generators

INTRODUCTION		IFC
SAFETY RULES		2
Section 1 — GENERAL INFORMATION		4
1.1	Generator	4
1.2	Transfer Switch	4
1.3	Automatic System Operation	4
1.4	Generator AC Connection Systems	4
1.5	Main Circuit Breaker	4
1.6	Generator Fuel System	5
1.7	Engine Protective Devices	5
1.8	Unpacking	6
1.9	Lifting the Generator	6
1.10	Specifications	7
1.11	Fuel Consumption	7
1.12	Reconfiguring the Fuel System	7
1.13	Torque Specifications	8
1.14	Engine Oil Recommendations	8
1.15	Coolant Recommendations	8
1.16	Before Installation	8
Section 2 — INSTALLATION		8
2.1	Standby Generator Installation	8
2.2	Generator Location	9
2.3	Generator Mounting and Support	9
2.4	Basic Standby Electric System	9
2.5	Emergency Circuit Isolation Method	10
2.6	Total Circuit Isolation Method	10
2.7	Grounding the Generator	10
2.8	Generator AC Neutral Connections	10
2.9	Transfer Switch Start Signal Connections	10
2.10	Battery Installation	11
2.11	Preparation Before Start-Up	12

Section 3 — OPERATION		13
3.1	Using an Engineered “GTS” Transfer Switch	13
3.2	Control Console Components	13
3.3	Manual Transfer and Startup	14
3.4	Engine Governor Adjustments	14
3.5	Retransfer and Shutdown	15
3.6	Automatic Operation	15
3.7	Weekly Exercise Cycle	15
Section 4 — MAINTENANCE		16

4.1Maintenance Performed by Authorized

Service Facilities	16
4.2 Cooling System	16

4.3Overload Protection for Engine DC

Electrical System	16
4.4 Checking Fluid Levels	16

4.5Maintenance Owner/Operator

	Can Perform			17
4.6	Miscellaneous Maintenance			18
4.7	Scheduled Maintenance			20
Section 5 — TROUBLESHOOTING				23
Section 6		— ELECTRICAL DATA		24
Section 7		— EXPLODED VIEWS AND
		PARTS LISTS		28
Section 8		— INTALLATION DIAGRAM		............43
Section 9		— NOTES		44
Section 10 — WARRANTY			Back Cover

Generac® Power Systems, Inc. 1