TABLE OF CONTENTS

 

1 - SAFETY CONSIDERATIONS

4

1.1

- General

4

1.2

- Avoid electrocution

4

2 - GENERAL DESCRIPTION

4

2.1

- General

4

2.2

- Abbreviations used

4

3 - HARDWARE DESCRIPTION

5

3.1

- General

5

3.2

- Electrical supply to boards

5

3.3

- Light emitting diodes on boards

5

3.4

- The sensors

5

3.5

- The output controls

5

3.6

- Connections at the user's terminal block

6

 

3.6.1 - General description

6

 

3.6.2 - Volt-free contact on/off/cooling/heating without multiplexing

8

 

3.6.3 - Volt-free contact on/off/cooling/heating with multiplexing

8

 

3.6.4 - Demand limit or setpoint volt-free contact for single-circuit units

8

 

3.6.5 - Demand limit volt-free contact for dual-circuit units

8

 

3.6.6 - Water setpoint selection volt-free contact with multiplexing for dual-circuit units

8

4 - SETTING UP PRO-DIALOG CONTROL

9

4.1

- Local interface general features

9

4.2

- Unit start/stop control

10

 

4.2.1 - Description

10

 

4.2.2 - Stopping the unit in local mode

10

 

4.2.3 - Starting unit and selecting an operating type

10

4.3

- Menus

11

 

4.3.1 - Selecting a menu

11

 

4.3.2 - Selecting a menu item

11

 

4.3.3 - Modifying the value of a parameter/access to a sub-menu

11

 

4.3.4 - Expand display

12

 

4.3.5 - Description of the Information menu

15

 

4.3.6 - Description of the Temperatures menu

17

 

4.3.7 - Description of the Pressures menu

17

 

4.3.8 - Description of the Setpoints menu

17

 

4.3.9 - Description of the Inputs menu

18

 

4.3.10 - Description of the Outputs/Tests menu

19

 

4.3.11 - Description of the configuration menu

22

 

4.3.12 - Description of the Alarms menu

28

 

4.3.13 - Description of the Alarms History menu

28

 

4.3.14 - Runtime menu description

28

2

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Carrier 30RA/RH, 30RY/RYH manual Table of Contents Safety Considerations

30RY/RYH, 30RA/RH specifications

The Carrier 30RY/RYH and 30RA/RH chiller models are leading solutions in commercial and industrial cooling applications. Renowned for their reliability, efficiency, and advanced technologies, these chillers cater to a wide variety of settings, from office buildings to manufacturing facilities.

The 30RY/RYH series features a distinctive design optimized for performance, utilizing a centrifugal compressor that ensures smooth operation under varying loads. One of the standout features of these chillers is their high-efficiency capabilities, which contribute to lower energy consumption. The models are engineered to deliver substantial energy savings, meeting or exceeding the latest ASHRAE and DOE efficiency standards.

A significant aspect of the 30RY and 30RA models is their use of environmentally friendly refrigerants. The 30RYH, for instance, employs R-134a refrigerant, which is designed to minimize ozone depletion while maximizing efficiency. This commitment to sustainability aligns with modern environmental regulations and practices, making these chillers a wise choice for eco-conscious projects.

In terms of control technology, the chiller models come equipped with advanced microprocessor-based controls, providing users with optimal system management and diagnostics. This integrated control system enhances the overall performance and reliability of the chillers, allowing for real-time monitoring and adjustment to ensure peak operational efficiency.

Another key feature is the quiet operation of the 30RY/RYH and 30RA/RH series. Designed with sound attenuation in mind, these units minimize noise pollution, making them suitable for installations in noise-sensitive environments. Additionally, the modular design allows for easy installation and maintenance, reducing downtime and providing flexibility in system design.

Both series also offer robust thermal performance, with the capability to handle a wide range of operating conditions. The chillers excel in terms of cooling capacity, providing solutions for varying thermal loads while maintaining energy efficiency. This adaptability is invaluable for facilities managing seasonal changes in cooling demands.

In summary, the Carrier 30RY/RYH and 30RA/RH chillers represent an ideal blend of efficiency, advanced technology, and eco-friendliness. Their high-performance capabilities, user-friendly controls, and sustainable design make them a top choice for commercial and industrial applications, ensuring dependable cooling solutions for diverse environments.