Generac 004373-3 , 004626-2, 004373-3, 004626-2 owner manual 40 kW 0D6974

Models: 004373-3, 004626-2 004373-3 , 004626-2

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28 Generac® Power Systems, Inc.

BAT+

BAT-

 

0

14

 

14

14

14

13

161

 

0

160

79

0

7

7

14

14

13

PFC

ACT+

ACT-

MPU+

MPU-

MPU SHIELD

 

160

161

 

0

 

 

 

79

 

0

85

85

 

14

56

85

14

13

 

 

 

85

0

 

 

14

 

 

 

13

 

 

56

 

 

0

 

BLACK

RED

85N2

N1

 

56

 

 

 

85

 

 

2

162

 

 

1

1

 

 

 

0

 

AVR

4

4

 

 

6

6

 

 

 

 

 

 

5

S15

 

N1

 

3

S16

 

 

 

 

N2

 

 

 

6

6

85

5

5

85

 

4

4

0

 

 

 

 

56

85

 

 

 

 

 

85

 

 

 

 

 

56

 

 

14

 

 

 

85

14

 

 

 

 

 

13

14

56

85

 

 

 

 

 

 

0

 

13

14

 

 

 

 

 

 

14

 

 

 

 

 

 

 

14

0

 

 

 

 

 

 

 

CAP

 

 

 

 

 

 

 

 

GRD

 

 

 

 

 

 

 

N2

 

 

 

 

 

 

 

 

N1

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

13

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

15

F1

0

 

1

 

14

4

56

 

0

0

14

 

 

 

 

 

 

 

 

14

 

 

 

 

 

S15

 

0

 

 

 

S16

 

 

 

 

 

 

 

 

 

0

 

 

 

 

162

 

 

 

 

 

 

4

 

 

 

 

0

 

 

 

 

2

 

 

 

 

 

14

4

CB1

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

162

 

 

 

14

 

 

 

4

R1

14

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

1

 

 

 

4

 

 

4

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

183

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

183

 

 

 

 

 

 

 

 

194

 

 

4

 

 

 

 

 

 

 

 

 

0

1

 

 

 

 

 

 

23

 

194

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

4

 

 

 

T2

23

 

 

 

 

 

 

 

 

T1

T2

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1

 

C

 

 

 

 

 

 

 

 

 

D

 

 

 

219

 

 

 

 

 

N2

 

 

 

6

 

 

 

 

 

 

23

N1

 

 

 

S16

 

 

 

 

 

 

N2

CP

 

 

 

 

 

 

 

 

 

 

 

 

K

 

 

 

 

183

 

 

 

T2

P

O

178

 

2

 

 

 

 

N1

00

 

 

 

 

 

23

 

 

 

 

 

 

S1

 

 

 

 

 

 

 

N2

 

 

 

 

 

 

23

 

 

 

 

178

 

 

 

 

S15

 

 

 

 

 

 

N1

58

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T2

 

T1

00

57

S3

 

 

 

 

 

 

194

 

58

 

 

 

 

 

6

 

 

 

 

57

 

 

 

S1

 

 

178

 

 

 

 

 

 

 

85

 

 

 

 

 

 

 

 

 

 

 

 

S3

 

 

 

 

 

 

 

 

 

 

 

T1

 

 

00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

S1

 

 

 

2

 

 

 

 

 

0

58

2

 

 

 

 

 

T2

T1

 

S16

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

S15

 

 

S16

 

 

 

 

 

 

S16

 

 

14

 

 

00

 

 

2

 

 

S3

 

+

 

 

 

S16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HM

 

 

 

 

 

 

 

 

 

 

 

 

 

S15

 

85

 

 

 

 

 

 

 

 

S15

 

 

 

 

 

 

 

 

 

 

HZ

 

 

 

 

 

 

 

 

 

 

 

 

 

194

 

 

57

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

58

0

 

0

 

 

 

 

 

 

 

 

65

 

 

 

 

 

 

 

 

 

 

BVM

 

 

 

 

194

 

 

S1

 

 

14

 

0

S15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S16

23

15

 

 

 

64

0

 

 

 

 

AM

 

183

 

 

 

 

 

 

 

 

 

 

Wiring Diagram - Control Panel

(Model No. 004626-2) Guardian

- Drawing No.

Liquid-cooled

Section 6 — Electrical Data

EH

161

160

4

29

D1

4

0

229

56

 

4

 

S3

 

15C

+

 

67

78

S3

67

 

1

 

 

 

 

67

 

 

 

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0

15C

15C

 

 

15C

 

 

 

183

 

 

 

 

 

 

 

 

 

 

40 kW 0D6974

TS2

4

229

 

START/MANUAL

00

T2 T1

SW1

 

 

 

 

VM

14

239

OFF

15C

 

 

 

65

N2 BLACK

 

 

 

T2

 

BLUE

 

 

BLACK

RED

 

A225

BLACK

 

 

T1

T2

 

 

17

16

15

 

TR1

 

 

BLUE

USE BLUE WIRE FOR 240V, 1 PHASE

USE YELLOW WIRE FOR 208V, 3 PHASE

INSULATE UNUSED WIRE END

T1

 

 

 

 

 

 

0

15C

239

15E

178

 

 

 

14

 

13

12

11

10

9

7

6

PCB

BLUE

 

 

 

178

AUTO

64

 

 

 

 

15C

 

 

 

15E

 

 

 

 

 

 

T2

F2

 

 

 

 

 

T1

 

 

 

 

 

 

 

 

65

 

 

 

 

14

 

 

15

225A

SW2 N.C.

65

 

 

 

 

4

 

 

 

15

S16

85

 

 

 

64

 

 

 

 

 

 

 

 

 

15C

S15

 

 

 

 

 

2

1

 

 

BLUE

 

 

 

15

 

 

 

A

S15

 

 

 

 

 

 

 

 

 

B

S16

 

 

S16

 

 

D

229

 

 

 

 

 

E

176

 

15

 

L1

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Generac 004373-3 , 004626-2, 004373-3, 004626-2 owner manual 40 kW 0D6974

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.