Split System Models

Figure 37 3-ton centrifugal air-cooled condensing unit (con't.)

Field-supplied unit disconnect switch when optional disconnect is not provided in unit

Single- or three-phase

electric service not by Liebert

Field-supplied 24V

 

NEC Class 2 wiring

Factory-wired

to fan/coil unit

 

to components

 

on electric panel

Optional factory-installed

Line voltage electric power disconnect switch supply conduit entrance

Single- or three-phase

electric service not by Liebert

Connection terminal for field-supplied grounding wire

Low-voltage electric power supply entrance

Heat rejection connection.

Field-supplied 24V NEC

Class 2 wiring. See NOTE 2.

Wire connections from evaporator

 

 

DPN000207

 

 

mod:

 

 

Rev0

1.

24V ground

 

 

 

2.

24V supply

NOTES:

3.

High-pressure alarm (optional)

4.

Hot gas bypass connection

1.

Refer to specification sheet for full load amp. and wire size amp. ratings.

 

(only on units with hot gas

2.

Control voltage wiring must be a minimum of 16 GA (1.6mm) for up to 75' (23m)

 

bypass)

 

or not to exceed 1 volt drop in control line.

68

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Image 74
Emerson 3000 installation manual DPN000207, Rev0, Wire connections from evaporator, Mod

3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

One of the main features of the Emerson 3000 is its advanced process control capability. With integrated control algorithms, it can optimize complex processes in real-time, resulting in significant improvements in production rates and reduced operational costs. The system's predictive analytics capabilities enable operators to anticipate equipment failures and maintenance needs, allowing for proactive management and minimizing downtime.

The Emerson 3000 features a modular architecture, providing flexibility for scaling and customization. Operators can easily tailor the system to fit specific application needs, whether it requires additional control loops or integration with other systems. This adaptability is particularly beneficial for facilities planning for future expansions or modifications.

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Additionally, the Emerson 3000 incorporates state-of-the-art cybersecurity measures to safeguard critical data and operations. With built-in security protocols and regular updates, the system protects against emerging cyber threats, ensuring the integrity of the control network.

User experience is also a focal point of the Emerson 3000. The intuitive graphical user interface presents complex data in a user-friendly format, making it easier for operators to monitor system performance and respond to alerts quickly. This ease of use contributes to enhanced safety and operational efficiency.

In summary, the Emerson 3000 represents a fusion of advanced process control, modular design, IoT connectivity, robust cybersecurity, and user-centric interface, making it an ideal choice for industries seeking to enhance their operational performance while adapting to ever-evolving technological landscapes.