Section | Generac 004373-1, 004626-0 guide

22 Generac® Power Systems,

TO GOVERNOR ACTUATOR

BLACK BROWN YELLOW ORANGE

14

14

13

GCU

85

BLUE

BLUE

85

85

56

	14
85	14
85

13

85

0

14		56
	14	13	14
		13	14

85			0	0
			0	14 CAP
				14 CAP
				GRD
	56			BLACK
	56
		0		N2
		0

														85
					14							56			85
					14							56
				13		14
0	0	0	79	13	14	14	15A	15A	15	4	229	56	68	69	85	86

RED1

13

1

4

4

1

183

0

183

194

0

4

1

23

194

1

4

T2

23

T1

T2

X

A

B

2

W

T1

KX

C

V

W

D

L

J H

V

E

150

218

219

N2

U

B

U

6

T

M

C

A

G

F

4

23

N1

S

N

O

D

F

S

T

G

S16

R

E

H

N2

P

Q

R

S15

CP

Q

J

T2

P

PIN

L

K

178

183

00

O

TS1

N1

N

M

23

S1

N2

BLUE

BLUE

2

(Model No. WiringDiagram

Section 6 —

Inc

BLACK	N1
	N1
RED	15

23		178
	N1	00	58
T2	T1	00	57	S3
		58

S15

004373

.

14

14

N2		13
		13
N1
	15	F1
	15
2	162

					229				194		57
				4		85	178				57
0				4		85	178					S3
						56				T1		S3
	0 1		14		4	56				T1	00
0	0 1	14	14	14	4						00
						15						S1

S1

6

-1) (Control

13

1410

1411

1312

A

7
8 9 10 11	DEUTSCH
12

EH

1 2 3 4 5 6

6

5

4

3

85

56

85

0

85

85

0

56

	1	1
	4	4
AVR	6	6
	5	S15
N1	3	S16	S16
	3	S16	S16
			162

N2

2

CB1

	162
4	R1
	R1
	4
	29
	D1

TS2

N1BLACK

N2BLACK

					0	58					2
			T2	T1		58			2		S16
											S16

		6
S15												S15
0							S16					14
0							S16					14
0
0		4		2						S3		+
		4		2						S3	HM	+
	14										HM
	14
	14	85										-
				194		57
				194
14						58					0	0
14										65

14												BVM
14		194			S1							BVM
	0	194			S1	11	7	3	15	19		14
						11	7	3	15	19		-
		23						PSW		64	0
		23	15					PSW		64	0
	4		183			2	14	18	16	12
	4				S3	2	14	18	16	12
					S3						15C	+
0	229	56	178			0	S1 S3		00	67	15C	+
0		56				0	S1 S3		00	67
		4										67
											0	67
											0
		15C		0			15C
		15C					15C				15C
					183						15C
4		229			183	START/MANUAL						00
4					SW1	START/MANUAL						00
			T2	T1	SW1
	14				239	OFF			15C
	14				239	15A			15C
					178						65
					178
					178	AUTO
						15C

2

6

S16

BLUE00

S16

S15

S15

HZ

BLUE

0S15

S16

AM

67

0

0

VM

64

Panel) – Drawing No.	Guardian Liquid-cooled
0D4992-A	40 kWGenerator

Electrical Data

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

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

	BLUE
BLACK					RED
BLACK				BLACK

TR1

BLUE

																						15A
																										F2
				T2																		T2				F2
									T1													T1							14
																						14							14
																						15	225A				SW2		N.C.
																						15							65
																													15
		T2		225A		RED		0		15C		239	15A	178				194	23	85	4								15
		T2
T1																14	56												15C
																										BLUE
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
																					A	S15				15
										PCB											A	S15
										PCB											B	S16							S16

D229

E	176	15
	-	+
BLUE		L1

65

S16

64

S15

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

VM - METER, AC OUTPUT VOLTAGE

USE BLUE WIRE FOR 240V, 1 PHASE USE YELLOW WIRE FOR 208V, 3 PHASE INSULATE UNUSED WIRE END

Image 24

Generac 004373-1, 004626-0 owner manual Section

Contents

Power SYSTEMS, INC Introduction Authorized Dealer Location Safety Rules General Information InstallationMaintenance Section Installation Drawings 56-57 Warranty Back Cover General Hazards Electrical Hazards UNPACKING/INSPECTION GeneratorGenerator AC Connection Systems Automatic System Operation Specifications Main Circuit BreakerEngine Protective Devices Fuel Requirements Recommendations Generator and Load CompatibilityEngine Conversion to LP GAS Vapor Coolant Emissions Control SystemAIR Fuel Ratio Controller Standby Generator Installation Basic Standby Electric SystemNfpa Standards Other Published Standards Transfer Switch Start Signal Connections GTS Type SwitchPre-Packaged Type Switch Emergency Circuit Isolation Method Battery Installation Preparation Before START-UPVented Batteries Prior to Initial START-UP Using the AUTO/OFF/MANUAL Switch OFF Position Manual PositionAutomatic Transfer Operation Sequence of Automatic Operation Weekly Exercise Cycle Checking the Engine OIL Level Oil and Filter Change Procedure Changing the Engine AIR CleanerChanging the Engine OIL and Filter Engine Oil Recommendations Battery Maintenance Spark Plugs Miscellaneous Maintenance Cleaning the GeneratorOverload Protection for Engine DC Electrical System DC Fuse OUT of Service Procedure Removal From ServiceReturn To Service Service Schedule SYSTEM/COMPONENT Procedure Frequency Troubleshooting Guide Problem Cause Correction Electrical Data Section Power Systems, Inc Generac Power Systems, Inc Electrical Data Electrical Data Electrical Data Wiring Diagram RED Brush Units DPE Panel Face Switch Rocker Dpst 125V SPD Switch TOG Dpdt 15/10 SPSwitch Selector 6A AMP/V Part of Control Panel Wire Harness Generators CONTROLLER, B-C #DPG-2103 ScreenCover Plate AVR Cover Plate Egov Assembly Motor Stepper Connector Interface AssemblyHousing Governor Connect Cover Conn Housing BASE, Mounting ASSEMBLY, 4.3L Assembly Groundwire 10/3/8Plug Button 3 DIA DIRECT-COUPLED 4640 31 33 Switch OIL Pressure DC Alternator AssemblyEngine 4.3L GM Pulley Tensioner Exploded Views and Parts Lists Retainer Plug Wires Retainer Spark Plug WiresWires Spark Plug 4.3L Connector C/C Vent Add item #42 vinyl trim as shown FAN Assembly 390 SAE DD Assembly Brush & ShuntAssembly Scroll 390 SAE Carrier Rear Bearing Assembly Cover Access Duct BottomShakeproof INT M6 SS Duct Front Panel Tank Coolant Recovery Bracket Coolant Recovery TankRadiator 14 FIN/INCH Venturi 16 DIA 35KW Plate AIR Cleanr Bottom Plate AIR Cleaner TOPGasket AIR Cleaner Gasket Carburetor Adaptor Mixer only Natural GAS NPT XHose 1 in ID LP GAS Actuator Throttle 42MM Support Solenoid NAT GAS Nipple TOE 3/4 NPT XNipple Pipe 3/4NPTX4.5 BLK IRN Hose 1IN ID LP GAS Regulator N/G R600S LUG Rngtng INSDECAL,INLET Pressure Hose Connection TEE HEATER, Engine 1800WHEATER, Engine 2000W HOSE, Preformed Block Heater Battery 12VDC 90-AH 27F Optional Hold Down BatteryCable Battery Black #1 X Cable Battery RED #1 X 11 12 Cover Lower Connection BOX Bushing Snap SB-2.5-31Relay Solenoid 12VDC PNL MNT Transformer 200A to 5A 5VA Exploded Views and Parts Lists Tube Straight a Group Muffler Catalyst 4.3LMounting Band A-GRP Catalyst Shield Heat Crossover 4.3L Muffler 2-1/2 INLET/OUTLET Clamp Band Muffler Guardian Liquid-cooled 40 kW Generators Installation Drawings 12V Battery see Note Lifting EYE Places Warranty Schedule This Warranty Shall not Apply to the Following