Generator AC Lead Connections

Standby Generator Sets

General Information

See “Voltage Codes”. This generator may be rated at any one of three voltages, either single-phase or three-phase. The electrical wires in the unit’s AC con- nection (lower) panel should be installed according to the number of leads and the voltage/phase required for the application. If there are any questions regard- ing lead connection, refer to the wiring diagrams at the back of this manual.

Voltage codes apply to the type of stator assembly installed on a particular generator.

FOUR-LEAD, SINGLE-PHASE STATOR

Four-lead generators (see Figure 7.1) are designed to supply electrical loads with voltage code “A” (240V, 1-phase, 60 Hz). Electrical power is produced in the stator power windings. These windings were con- nected at the factory to the main circuit breaker as shown in Figure 7.1.

The rated voltage between each circuit breaker ter- minal is 240V. The rated voltage between each circuit breaker terminal and the neutral point 00 is 120V.

Figure 7.1 — Four-lead, Single-phase Stator

ALTERNATOR POWER WINDING CONNECTIONS

3-PHASE ALTERNATORS

The generator is designed to supply 3-phase electri- cal loads. Electric power is produced in the alterna- tor power windings. These windings were connected at the factory to the main circuit breaker with a “Y” configuration as shown in Figures 7.2 and 7.3.

The rated voltage between circuit breaker terminals E1-E2, E1-E3 and E2-E3 is either 480V or 208V depending on the model.

The rated voltage between each circuit breaker termi- nal and the neutral point 00 is either 277V or 120V depending on the model.

Figure 7.2 — Stator Power Winding

Connections - 3-phase, 277/480V (6 Lead)

S1	E1
INTERNAL
CONNECTIONS
			L-L
S6	S4
		NEUTRAL
		NEUTRAL
	S5
E3 S3		S2	E2
		S2	E2

L-N

Figure 7.3 — Stator Power Winding

Connections - 3-phase, 120/208V (6 Lead)

S1 S1

	S4		S4		L-L
				00 (NEUTRAL)
	S6		S5

S3	S6	S5		S2

E3	S3			E2
				S2

L-N

7-1

08/05

0 .Rev ACConn001

2.4L specifications

Generac Power Systems has established itself as a leading provider of energy solutions, and its 2.4L engine is a testimony to their commitment to innovation and reliability. This engine is designed for portable and standby generators, delivering exceptional performance and efficiency.

One of the standout features of the Generac 2.4L engine is its robust design, optimized for both heavy-duty use and demanding applications. The engineering focus ensures that the engine can withstand various environmental conditions while maintaining optimal operation. Additionally, its compact size makes it versatile for various generator models, making it a favored choice among manufacturers and users.

The 2.4L engine incorporates advanced technologies that enhance performance and fuel efficiency. One notable technology is the Electronic Fuel Injection (EFI) system. Unlike traditional carbureted engines, the EFI system provides precise fuel management, improving fuel efficiency and reducing emissions. This means users can expect longer run times on a single tank of fuel, a crucial advantage for those requiring power during outages or remote operation.

Furthermore, the Generac 2.4L engine is equipped with a state-of-the-art cooling system that maintains optimal operating temperatures even under heavy loads. This safeguard helps prevent overheating, thus extending the engine's longevity and reliability. The engine's low oil pressure shutdown feature adds another layer of protection by automatically shutting down the engine if oil pressure drops below a safe threshold.

Noise reduction is another priority for Generac, and the 2.4L engine reflects this commitment. With an integrated muffler and sound suppression features, the engine operates quietly without sacrificing power output. This is particularly beneficial for residential areas or environments where noise may be a concern.

In terms of maintenance, the Generac 2.4L engine requires minimal upkeep. Its design includes easily accessible components, allowing for straightforward maintenance routines. Regular oil changes and filter replacements ensure that the engine continues to perform at its best over time, providing users with peace of mind.

Overall, the Generac Power Systems 2.4L engine combines innovative features, advanced technologies, and reliable performance, making it an attractive choice for those in need of dependable power solutions. Whether for home backup or professional use, this engine exemplifies Generac's dedication to quality and user satisfaction.

Generac Power Systems 2.4L Generator AC Lead Connections, Alternator Power Winding Connections

Models: 2.4L