Section 2 — Installation

Liquid-cooled 15, 20 and 25 kW Generators

2.10 ENGINEERED TRANSFER SWITCH

(2-WIRE START GTS MODE)

When required, the pre-packaged standby generator can be installed with an engineered W Type transfer switch which controls utility voltage sensing, weekly exercising and load transferring.

When Position 2 of the eight-position DIP switch, which is located on the generator circuit board (See Figure 3.2), is in the ON position then utility voltage sensing, weekly exercising and load transferring is under the control of the Engineered W Type transfer switch (GTS Mode).

Generator DIP Switch Position 2 ON = 2-Wire Start GTS Mode

•The generator control board will NOT monitor the utility.

•The generator control board will NOT perform a weekly exercise. (The five red LEDs will flash one at a time in GTS mode.)

•The generator control board will NOT activate the transfer output.

The generator control board WILL monitor all engine conditions and shut down on all the faults listed in this document.

For the W Type transfer switch to control utility volt- age sensing, weekly exercising and load transferring, suitable wiring must also be connected from the transfer switch 178 and 183, 2-Wire Start terminals to the corresponding generator 178 and 183 2-Wire

Start terminals. Recommended wire gauge sizes for the 2-Wire Start wiring depend on the length of the wire (see wiring length chart).

 

MAXIMUM WIRE LENGTH

RECOMMENDED WIRE

 

 

 

SIZE

 

 

460 feet (140m)

No. 18 AWG.

 

 

461 to 730 feet (223m)

No. 16 AWG.

 

 

731 to 1,160 feet (354m)

No. 14 AWG.

 

 

1,161 to 1,850 feet (565m)

No. 12 AWG.

 

 

 

 

 

Route the 2-Wire Start control wires through suitable, approved conduit which is separate from the AC power leads. Connection of wire 178 to wire 183 by relay contact closure action (volt free switch contacts) in the transfer switch must result in generator engine cranking and startup (See Figure 2.4).

Do NOT connect battery voltage, utility voltage

!(N1/N2) or load voltage (T1/T2) to either the

178 or the 183 2-Wire start terminals as this will damage the generator control board.

In order for the generator battery charging function to work, it is necessary to provide a 5 amp fused 240Vac utility source connection from the transfer switch main N1 and N2 terminals to the generator control panel N1 and N2 terminals (See Figure 2.4).

Figure 2.4 - Connection Diagram (GTS Mode)

 

 

 

FROM UTILITY

 

 

 

 

 

 

 

 

MAIN LINE

 

 

 

 

 

 

 

 

CIRCUIT

 

 

 

 

 

 

 

 

BREAKER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OR FUSE

 

 

 

 

 

 

 

 

 

 

 

 

FUSE

 

N1 N2

 

 

 

N1

 

 

 

 

T1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N2

 

 

 

 

T2

 

 

 

FUSE

 

 

 

 

 

 

 

 

W-TYPE

 

 

 

 

 

 

TO LOAD

FEEDER CIRCUITS

LOAD

DISTRIBUTION

PANEL

GENERATOR

TRANSFER

SWITCH

178

183

E1 E2

194

23

178

183

E1 E2

N2 N1

12

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Generac 005030-0, 005028-0, 005031-0 owner manual Connection Diagram GTS Mode
Page 13 Page 15

005028-0, 005030-0, 005028-0, 005031-0 specifications

Generac's line of generator models, including the 005028-0, 005030-0, 005031-0, and their closely related variant 005028-0, represent a fusion of durability, technology, and user-centric design focused on providing reliable power solutions for residential and commercial applications.

The Generac 005028-0 model stands out with its robust construction and efficient performance. It features a powerful engine that ensures a steady supply of electricity, capable of handling essential appliances during power outages. The model incorporates Generac's patented TruePower technology, which offers clean and stable power, ensuring sensitive electronics are safe from fluctuations. This feature is particularly appealing for homeowners who rely on medical equipment or sophisticated devices that require consistent power quality.

On the other hand, the 005030-0 model takes performance up a notch by equipped with a larger fuel tank, allowing for extended runtime during outages. It also has a quieter operation compared to its counterparts, making it suitable for residential areas where noise levels are a concern. The model includes an intuitive user interface that simplifies operation, letting users monitor their generator’s status effortlessly.

Similarly, the 005031-0 model boasts enhanced technology via a fully automatic transfer switch. This feature enables seamless switching between utility power and generator power without user intervention, ensuring that homes and businesses remain powered even during unexpected power failures. Equipped with advanced safety features, this model ensures that the generator operates only when necessary, significantly extending its lifespan and maintaining efficiency.

Additionally, all these Generac models share a durable casing designed to withstand harsh weather conditions. They are engineered for easy maintenance, with oil and fuel access points conveniently located for user convenience. Furthermore, the models come with various options for fuel types, including propane and natural gas, providing users flexibility based on their needs.

In summary, Generac's 005028-0, 005030-0, and 005031-0 models are characterized by their reliable performance, advanced technology, and user-friendly features. These generators are perfect solutions for anyone seeking a dependable source of backup power, ensuring that essential equipment runs smoothly without interruptions, no matter the situation.
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