Generac 004373-3, 004626-2, 004373-3 , 004626-2 owner manual Generator D4992-A

Page 27

GOVERNORTO ACTUATOR	BLACK	GCU

BROWN

YELLOW

ORANGE

14

14

13

	BLUE	BLUE
	BLUE
	85
	85
	14	56
	14	13
	85	13
	85
	85	0
		0
	56
	0

85
85
56
14								85
14
13		14				56			85
		14				56

0		13	14
0
0	0	0	15	4	229	56	68	69	85	86
14			1
14
0
14 CAP
BLACK
N2

BLUE

			1					BLUE
			1					1
			4	4
			183
			0		183
			194	0	183		4	1
			194				4

				23
	1	4	T2	23
	1	4	T1	T2				2
			T1	T2
				T1
				T1
150	218			N2		E		6
150	218			N2				6

4	23		N1	S		S		S16
				O		S	H
		N2	CP	P	Q	R	J	S15
		N2		Q	Q
				Q	PIN
	183	T2		00	PIN	L		178	2
	183		N1	00	N	L		178	2
			N1					S1
	23							S1
	N2

BLACK

N1

23	178
N1	58

S15

85

14

56

14

85

RED
N2
N1
2	162

	15
		13		4	229
		0		4	229
15	F1	0			56
15		14	14	14	4
		14	14	14

	T2	T1	00
	T2		58
	194		58
	194		57
85	178		57
	178		S3

		T1
		T1
15			S1

57 S3

S1

00

6

	13		0
			0
		7	85
			85
		8	85
			85
		9	0
		10	0
	14	10	56
	14	10	56
	14	11	2

		1	1
		4	4
	AVR	6	6
		5	S15
N1		3	S16
		3	S16
N2

	S15	0
	S16	0
	S16
162	0
162	0		4
	0		4
	2	14	4
	CB1	14
		14

				58		2
	T2	T1	0	58	2	S16
			0			S16

	6

		S16
2		S3
2		HM
		HM
85

194	57
194

2

6

S15S16

14	BLUE	00

S16

S15

S15

HZ

13	12	12

EH

	162	14
4	R1	14
		0

4

		58			0
					0		BLUE
194		S1			BVM	0	S15
194		S1	3	19	14	0	S15
		7	3	19			S16
23	15			64	0		AM
	183	2		12
		2		12
		S3

Generac

A

LEGEND

AM - METER, AC OUTPUT CURRENT AVR - AUTOMATIC VOLTAGE REGULATOR BVM - METER, BATTERY VOLTAGE

CAP - CAPACITOR

CB1 - CIRCUIT BREAKER- EXCITATION CP - CONNECTION, LOWER PANEL D1 - DIODE- 600V, 12A

EH - ENGINE HARNESS CONNECTION F1 - FUSE 15A

F2 - FUSE 7.5A IN-LINE

4		56
0	229	56
29	229	4

D1

4

TS2

14

BLACK

N2 BLACK

	78			0	S1	00	67	15C	+		67
	1				S1					67
								0		67	0
											0

15C		0			15C						0
15C					15C				15C
			183						15C
229			183	START/MANUAL					00
									00
			SW1
	T2	T1	SW1								VM
			239	15A	OFF	15C					VM
			239	15A		15C
			178					65
			178

178	64
	15C
15A

Wiring Diagram — Pre-pack Panel	(Model No. 004373-3) Guardian
(4.3L) – Drawing	Liquid-cooled 40
No	kW

Section 6 —

® Power Systems, Inc.

GCU - GOVERNOR CONTROLLER UNIT HM - HOURMETER

HZ - METER, FREQUENCY

LPC - LOWER PANEL CONNECTION L1 - LIGHT - FAULT INDICATOR PCB - CIRCUIT BOARD CONTROLLER PSW - SWITCH- PHASE SELECTOR R1 - RESISTOR, FIELD BOOST SW1 - SWITCH- AUTO/MANUAL/OFF SW2 - SWITCH- SET EXERCISE

TR1 - TRANSFORMER UTILITY SENSING 24 VA TS1, TS2 - TERMINAL STRIPS

VM - METER, AC OUTPUT VOLTAGE

			T2		T1													T2	T1	F2
					T1														T1			65
																				14	14	65
																		15	225A	N.C.		65
	BLUE																			N.C.
	BLUE
BLACK	RED		225A	RED		15C	239	15A	817		14		56	194	23	85	4			15C		S15
BLACK	T1 T2		225A	RED		15C	239	15A	817		14		56	194	23	85	4			15C		S15
					0															15		S16
					0															15		64
	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1			BLUE
	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1			15
	TR1																	S15		15
	BLUE					PCB												S15
	BLUE																B	S16			S16
																	B	S16			S16
																	D	229
																	E	176		15
																				+
								BLUE												L1

USE BLUE WIRE FOR 240V, 1 PHASE

USE YELLOW WIRE FOR 208V, 3 PHASE

INSULATE UNUSED WIRE END

Generator . 0D4992-A

Electrical Data

25

Image 27

Contents Liquid-cooled, Prepackaged Standby Generators Authorized Dealer Location IntroductionIntroduction Inside Front Cover General Hazards Electrical Hazards Generator AC Connection Systems Prepackaged Transfer SwitchUNPACKING/INSPECTION GeneratorSpecifications Main Circuit BreakerEngine Protective Devices ‹ 1.9.1 Conversion to LP GAS Vapor Fuel Requirements RecommendationsEmissions Control System Coolant‹ 1.12.1 AIR Fuel Ratio Controller Other Published Standards Standby Generator InstallationBasic Standby Electric System Nfpa StandardsGrounding the Generator Transfer Switch Start Signal Connections‹ 2.6.1 PRE-PACKAGED Type Switch MethodBattery Installation Preparation Before START-UP‹ 2.7.1 Vented Batteries ‹ 2.8.1 Prior to Initial START-UP ‹ 2.8.2 Transfer SwitchUsing the AUTO/OFF/MANUAL Switch Sequence of Automatic Operation Engine Heater‹ 3.2.3 Manual Position Checking the Engine OIL Level Weekly Exercise Cycle‹ 4.2.1 Engine OIL Recommendations Changing the Engine AIR Cleaner‹ 4.2.2 OIL and Filter Change Procedure Changing the Engine OIL and FilterBattery Maintenance ‹ 4.5.1 Battery ReplacementSpark Plugs DC Fuse Miscellaneous MaintenanceCooling System Overload Protection forOUT of Service Procedure ‹ 4.11.1 Removal from Service‹ 4.11.2 Return to Service SYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Not Used on Guardian Unit Electrical Data TS1 Generator D4992-A Model No Section 40 kW 0D6974 KW Generators No D6975 27 *28 Drain Pan To Oil On Oil QTY Description Base Frame Assembly M6 Hinge Panel Face Panel BTM & Back Control VDC Panel Face Cover Plate AVR ALT Leads Sensing Wire QTY Flywheel Engine Stator Leads Detail Scroll Washer Lock M12 Exploded Views and Parts Lists Engine 4.3L GM Exploded Views and Parts Lists MOUNT, Engine R & L To Thermostat Housing To Engine Block To Starter Solenoid RED Black To Engine Block Part KIT Radiator Copper Brass DIA. Clamp ASSEMBLY2 Compartment NUT Wing 1/4-20 Nylk To Stepper Motor Support Solenoid NAT GAS Attach to REGULATOR, N/G R600S Exploded Views and Parts Lists Muffler Catalyst 4.3L Assembly Motor Stepper Guardian Liquid-cooled 40 kW Generators Your Warranty Rights and Obligations MANUFACTURER’S Emission Control System Warranty CoveragePURCHASER’S/OWNER’S Warranty Responsibilities Emission Related Parts Include the Following Emission Control System WarrantyThis Warranty Shall not Apply to the Following Warranty Schedule

004373-3, 004626-2, 004373-3 , 004626-2 specifications

Generac is a leader in the power generation industry, known for its reliable and innovative products. Among its extensive range of offerings, two models stand out: the Generac 004373-3 and the 004626-2. These models represent the cutting edge of home standby generators.

The Generac 004373-3 is designed to provide seamless power during outages, ensuring that homes remain comfortable and functional. One of its main features is the automatic transfer switch, which detects a power outage and activates the generator within seconds. This automatic response eliminates the need for manual intervention, allowing homeowners to go about their lives without interruption.

This model is equipped with a durable engine that runs on liquid propane or natural gas, providing flexibility depending on the availability of fuel sources. The 004373-3 has an impressive power output, capable of powering essential household appliances, including refrigerators, heating systems, and lights. Its compact design allows for easy installation, making it suitable for a variety of home sizes.

On the other hand, the Generac 004626-2 also focuses on providing reliable power but with additional advanced features. One of its key characteristics is the True Power Technology, which delivers clean and stable power, making it ideal for sensitive electronics and appliances. This feature is crucial for households that rely on digital devices, protecting them from fluctuations that could potentially cause damage.

Additionally, the 004626-2 comes with a user-friendly control panel that allows for easy monitoring and adjustments. The model also incorporates Smart Management Technology, which enables users to manage their power consumption effectively. This technology allows homeowners to prioritize the most critical circuits, ensuring essential services remain operational during outages.

Both models emphasize ease of maintenance, with a design that facilitates access to components for servicing. Generac generators are known for meeting high standards of quality, ensuring reliability and longevity. With their advanced technologies and robust features, the Generac 004373-3 and 004626-2 provide peace of mind, allowing homeowners to remain connected and powered, no matter the circumstances. Whether for unexpected outages or planned maintenance, Generac continues to set the standard in home power solutions.