Generac 0047210, 0047220, 0047230, 0047240, 0047250, 0047251, 0047252, 0047253, 0047260

Table of Contents

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW 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	4
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	11

Section 3 — OPERATION		12
3.1	Using a Standard “GTS” Transfer Switch....	12
3.2	Control Console Components	12
3.3	Manual Transfer and Startup	13
3.4	Automatic Operation	13
3.5	Weekly Exercise Cycle	13
3.6	Engine Heater	14
Section 4 — MAINTENANCE		14

4.1Maintenance Performed by Authorized

Service Facilities	14
4.2 Cooling System	15

4.3Overload Protection for Engine DC

Electrical System	15
4.4 Checking Fluid Levels	15

4.5Maintenance Owner/Operator

	Can Perform		15
4.6	Miscellaneous Maintenance		17
4.7	Scheduled Maintenance		19
Section 5 — TROUBLESHOOTING			22
5.1	Troubleshooting Points		22
Section 6		— NOTES	23
Section 7		— INSTALLATION
		DIAGRAM	25
Section 8		— ELECTRICAL DATA	26
Section 9		— EXPLODED VIEWS AND
		PARTS LISTS	30
Section 10 — WARRANTY			48

Generac® Power Systems, Inc. 1