Manuals / Generac / Lawn and Garden / Portable Generator

Generac 004626-1, 004373-2, 004373-2, 004626-1 Generac, Power Systems, Inc, Electrical Data

Models: 004626-1, 004373-2 004373-2, 004626-1

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Page 25

(Model No. 004626-1) Guardian Schematic (Control

2	160	160
1	161	161
9	79	79
8	0	0
7	0	0

TS1

CAP

14

EH)

12

11

13

14

15

229

15

229

13

15

13

183

TO ENGINE (CONNECTOR

10

3

6

5

4

D1

29

C4

F

E

14

56

85

85

0

R1

2

85

0

11

144 4

6 6

		162	2
4		S15	5
		S15	5
D1			3
6		S16
6

162

14

56

4

AVR

0

							14
							239
		85	14		239		178
4		85	14		239
4							SW1
	0		56	229	178		SW1
	0		56	229	178		F2
							F2
1	13	2	5 7	D	11 9	10	15E
						12	15C
			PCB			E	176
			PCB			4	194
						4	194
						3	23
B	A	17	16		14	15	225A
S16	S15	T1	T2		RED
							0
			S15
					HZ

SHOWN IN

14

HM

0

+

-

LEGEND

OFF POSITION

13

15A

15

AM - METER, AC OUTPUT CURRENT

AVR - AUTOMATIC VOLTAGE REGULATOR

15C

15C

BVM

0

BVM - METER, BATTERY VOLTAGE

SW2

+

-

CAP - CAPACITOR

15C

N.C.

CB1 - CIRCUIT BREAKER - EXCITATION

D1 - DIODE- 600V, 12A

F1 - FUSE 15 AMPS

15A

F2 - FUSE 7.5 AMPS IN-LINE

225A

15

14

HM - HOURMETER

15

L1

176

0

HZ - METER, FREQUENCY

15A

L1 - LIGHT, FAULT INDICATOR

PCB - CIRCUIT BOARD CONTROLLER

15C

15

13

PFC - POWER FLOW CONTROLLER

176

BLUE

PSW - SWITCH, PHASE SELECTOR

F1

R1 - RESISTOR, FIELD BOOST

194

SW1 - SWITCH, AUTO/OFF/MANUAL

23

SW2 - SWITCH, SET EXERCISE

178

TR1 - TRANSFORMER, UTILITY SENSING 24VA

BLUE

TS1,TS2 - TERMINAL STRIP

183

VM - METER, AC OUTPUT VOLTAGE

RED

T2

T1

0

0	79	160
0		161

(Model No. 004626-1) Guardian Schematic (Control

S15

S16

BAT+

14

14

CP)

HS15

S16

GS16

PHASE SELECTOR SWITCH			YELLOW
PSW	BAT-	0

Generac®

TO LOWER PANEL (CONNECTOR

K	S1
Q	00
M	S3
N	57
O	58

14

16

18

3

7

11

65

15

19VM

64

POSITION

CONTACTS

2					1 2 3 OFF
2		2 - 3			O	X	X	X
		2 - 3			O	X	X	X
		2 - 7			X	O	X	X
	0	2 - 11			X	X	O	X
	0	12	-	3	X	O	O	O
	-	12	-	3	X	O	O	O
	-	12	-	7	O	X	O	O
		12	-	11	O	O	X	O
	AM	15	-	14	X	O	O	O
	AM	15 -		18	O	X	X	O
	+	19	-	16	X	X	O	O
12		19	-	14	O	O	X	O
12			X INDICATES CLOSED

67

PFC

ACT+	ACT-	MPU+	MPU-	MPU SHIELD
160	161		0
160		79		0

T2

T1

TR1

BLACK

TS2

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

0

0

79

161

160

Power Systems, Inc.

A

0

UT1

VT2

SN1

TN2

W23

X194

B183

J178

0

T1	23	183
T2	194	178
T2
N1

N2

23

194

183

178

Liquid-cooled 40 kW Generator Panel) – Drawing No. 0D6975

Section 6 — Electrical Data

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Generac 004626-1, 004373-2 Generac, Power Systems, Inc, Electrical Data, Model No. 004626-1 Guardian Schematic Control

Contents

POWER SYSTEMS, INC Liquid-cooled, Prepackaged Standby GeneratorsSHOULD ATTEMPT INSTALLATION 004373-2 40 kW/Single-phase w/ 200 Amp Transfer SwitchOPERATION AND MAINTENANCE CONTENTSHOW TO OBTAIN SERVICE This symbol points out important safety informaMiscellaneous Maintenance Table of ContentsEngine DC Electrical System Despite the safe design of this generator GENERAL HAZARDSParts of the generator are rotating and/or hot during operation. Exercise care near running gen- eratorsFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS Figure 1.1 - Single-phase Generator AC Connection System 1.4 PREPACKAGED TRANSFER SWITCHThe generator’s weight of more than 2,000 1.1 UNPACKING/INSPECTION1.7.3 LOW COOLANT LEVEL SWITCH 1.8 SPECIFICATIONS1.7.1 LOW OIL PRESSURE SWITCH 1.6 MAIN CIRCUIT BREAKER1.8.1.1 Generator and Load Compatibility 1.9 FUEL REQUIREMENTS AND RECOMMENDATIONS1.8.2 ENGINE 1.9.1 CONVERSION TO LP GAS VAPOR1.12 EMISSIONS CONTROL SYSTEM 1.11 COOLANT1.10 ENGINE OIL RECOMMENDATIONS 1.12.1 AIR FUEL RATIO CONTROLLER2.1 BASIC STANDBY ELECTRIC SYSTEM STANDBY GENERATOR INSTALLATIONNFPA STANDARDS OTHER PUBLISHED STANDARDS2.6.1 Pre-Packaged Type Switch 2.6 TRANSFER SWITCH START SIGNAL CONNECTIONS2.6.2 “GTS” Type Engineered Switch 2.2 EMERGENCY CIRCUIT ISOLATION METHODDO NOT SMOKE when near batteries 2.7 BATTERY INSTALLATIONDO NOT cause flame or spark in battery area, and 2.8 PREPARATION BEFORE START-UP2.8.1 PRIOR TO INITIAL START-UP 2.8.2 Transfer Switch2.8.3 Fuel System 2.8.6 Belt Tension3.1 CONTROL CONSOLE COMPONENTS 3.2 USING THE AUTO/OFF/MANUAL SWITCH3.2.2 “OFF” POSITION With the switch set to AUTO, the engine may3.2.3 “MANUAL” POSITION 3.3 AUTOMATIC TRANSFER OPERATIONIf you switch the Auto/Off/Manual switch is Figure 3.3 - “Set Exercise” Switch on Control Panel3.6 WEEKLY EXERCISE CYCLE 4.1 CHECKING THE ENGINE OIL LEVEL4.3 CHANGING THE ENGINE AIR CLEANER 4.2.2 Oil and Filter Change Procedure4.2 CHANGING THE ENGINE OIL AND FILTER 4.2.1 Engine Oil RecommendationsBattery replacement 4.5 BATTERY MAINTENANCEFigure 4.3 - Engine Air Cleaner Figure 4.4 - Setting the Spark Plug Gap4.7 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM 4.10 MISCELLANEOUS MAINTENANCE 4.10.1 Cleaning the Generator4.8 DC FUSE 4.9 ENGINE COOLANT4.11.2 Return To Service 4.11 OUT OF SERVICE PROCEDURE 4.11.1 Removal From Service4.10.2 Rodent Protection ATTENTION It is recommended that all service work 4.12 SERVICE SCHEDULEbe performed by your nearest Generac/Guardian Authorized Dealer PROBLEM 5.1 TROUBLESHOOTING GUIDECAUSE CORRECTIONGenerac Power Systems, Inc Schematic ControlElectrical Model NoModel No. WiringDiagram 22 Generac Power SystemsSection 004373Model No. 004626-1 Guardian Schematic Control Power Systems, IncGenerac Section 6 - Electrical DataSection 6 -ElectricalData Generac Power Systems,IncSection 6 - Electrical Data Generac Power Systems, Inc26 Generac Power Systems, Inc Section 6 - Electrical Data Generac Power Systems, Inc28 Generac Power Systems, Inc Wiring DiagramPanel - Drawing No 004262-1 GuardianT2 T1 U N2 T N1 S CUSTOMER CONNECTIONElectrical Schematic - Lower Panel - Drawing No. 0D5997 120/240-V. 1-PHASEPower PANEL FACEControl Panel - Drawing No. 0D4995-C Model No. 004373-2 Guardian Liquid-cooledPART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTION0D1523 NO USER SERVICEABLE PARTS 32 Generac Power Systems, IncControl Panel - Drawing No. 0D6978-A Model No. 004626-1 Guardian Liquid-cooledDESCRIPTION PART NO. QTYPART NO. QTY DESCRIPTIONPART NO.QTY 34 Generac Power Systems, IncDESCRIPTION DESCRIPTION DESCRIPTIONTo Oil Drain On Oil Pan4640 36 Generac Power Systems, Inc31 33 Model Nos. 004373-2 & 004626-1 Guardian Liquid-cooled 40 kW Generator For internal engine parts use Engine Parts Manual P/N 0D3749Engine Common Parts - Drawing No. 0A4304-L PART NO.QTY. DESCRIPTION38 Generac Power Systems, Inc HOUSING THERMOSTAT/WATER INLET CONNECTOR COIL TO DISTRIBUTOR40KW GUARDIAN WIRE HARNESS NOT HARNESS 4.3L STD WIRE NOT SHOWNENGINEROTATENOTDODURING THIS ADJUSTMENT TO ENGINE FlLYWHEEL ADJUSTMENTSTATOR LEADSDESCRIPTION ASSEMBLY FAN W/PRESS DISC 10.75 XPART NO. QTY DESCRIPTIONDESCRIPTION 42 Generac Power Systems, IncDESCRIPTION DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION KIT PART NO. 0D7947REGULATOR USE FASTENER LOCATED ON ALTERNATOR FAN SCROLLTO STEPPER MOTORDESCRIPTION PART NO. QTYPART NO. QTY DESCRIPTIONQTY. DESCRIPTION 46 Generac Power Systems, IncQTY. DESCRIPTION PART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTYLower Radiator To Water QTY. DESCRIPTIONHose PumpSOLENOID TO STARTERBLACK TO ENGINE BLOCKALT LEADS SENSING WIRE WIRELEADS SENSINGDESCRIPTION DESCRIPTIONDECAL REMOTE START CONNECTION DECAL CUSTOMER CONNECTN FOR TS52 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTIONModel No 004626-1 Guardian Liquid-cooled 40 kW Generators Exhaust Muffler - Drawing No. 0D6976-ADESCRIPTION 54 Generac Power Systems, IncDESCRIPTION CompartmentSection 8 - Notes Generac Power Systems, IncGuardian Liquid-cooled 40 kW Generators 56 Generac Power Systems, Inc Section 9 - Installation DrawingsRECOMMENDED FUEL/ELECTRICAL STUB-UPS SEE TOP VIEW Generac Power Systems, IncWARRANTY SCHEDULE GENERAC POWER SYSTEMS TWO YEAR STANDARD WARRANTY FOR GUARDIANGENERAC POWER SYSTEMS, INC PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS