LEGEND

 

 

1M

Ð Main Starter Contactor

PR

Ð Pilot Relay

C

Ð Contactor

PWR Ð Power

CB

Ð Circuit Board

RLA

Ð Rated Load Amps

CR

Ð Control Relay

SMM Ð Starter Management Module

COMM Ð Communications Connector

TB

Ð Terminal Board

J

Ð Connector

X

Ð Variable Number

N.C.

Ð

Normally Closed

 

Starter Cabinet Wiring

N.O.

Ð

Normally Open

 

Field Wiring

OL

Ð Overload

 

 

Carrier Factory Wiring

OS

Ð 3-Phase Current Power Source

 

*All starters, including across-the-line starters, require 2 separate contacts for the START AUX DRY contact and RUN AUX DRY contact, as shown above.

Fig. 50 Ð Chiller Power Panel, Starter Assembly,

and Motor Wiring Schematic

94

Page 93 Page 95
Page 94
Image 94
Carrier 19XL specifications Chiller Power Panel, Starter Assembly Motor Wiring Schematic
Page 93 Page 95

19XL specifications

The Carrier 19XL is a highly regarded commercial heating and cooling solution, designed to provide optimum performance and energy efficiency in various applications. This rooftop unit is engineered to meet the diverse needs of businesses, making it an ideal choice for those requiring reliable climate control in their facilities.

One of the standout features of the Carrier 19XL is its advanced cooling and heating capabilities. The unit utilizes a high-efficiency scroll compressor that ensures a quieter operation and improved reliability. The system can operate across a wide range of temperatures, making it versatile for various climates. Additionally, it offers both cooling and heating options, allowing for year-round comfort.

Energy efficiency is a focal point of the 19XL design. With an impressive Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF), this unit not only helps reduce energy costs but also supports environmental sustainability initiatives. The unit is equipped with environmentally friendly refrigerants, further contributing to lower greenhouse gas emissions.

The Carrier 19XL features a user-friendly control system, allowing for easy monitoring and management of the unit's performance. This control system is designed to maximize energy savings, offering features such as demand control ventilation and integrated economizers that facilitate the use of outdoor air for cooling, reducing reliance on mechanical systems when conditions allow.

Construction-wise, the Carrier 19XL is built to withstand tough environmental conditions. Its robust cabinet is made from galvanized steel, providing durability and protection against the elements. The design also includes insulation to minimize noise levels, creating a more comfortable indoor environment.

Maintenance is a key consideration in the design of the 19XL. The unit features accessible service ports and a simplified access panel, allowing technicians to perform routine maintenance with ease. This proactive design helps ensure the longevity of the system and minimizes downtime, keeping operations running smoothly.

In summary, the Carrier 19XL is an exceptional choice for commercial heating and cooling needs. With its energy-efficient features, advanced technology, and durable construction, it stands out as a reliable solution for businesses looking for sustainable climate control options.
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