Carrier 30RA/RH, 30RY/RYH manual Expand display

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4.3.4 - Expand display

Pressing the Enter button causes a 23 character text expansion to be scrolled across the four-digit display. All user menus provide an expansion of the current displayed parameters. If the expansion is complete the four-digit display reverts to item value. This function can be inhibited through the User Configuration menu.

MODIFYING THE VALUE OF A PARAMETER

OPERATION

PRESS BUTTON

MENU LED

ITEM NUMBER

ITEM VALUE

 

 

 

2-DIGIT DISPLAY

4-DIGIT DISPLAY

Hold on the MENU button until the LED for SETPOINT lights.

PRO-DIALOG Junior interface: Press the menu button, until SETPOINTS is displayed in the 4-digit display

Press one of the Arrow buttons until the two-digit display shows 1 (item number 1- cooling setpoint 2).

The value for setpoint 2 is displayed in the four-digit display (6.0°C in this example).

Press the Enter button for more than 2 seconds to enable the value associated with item 1 to be modified.

The Setpoint menu LED and the two-digit display flash indicating that modification mode is active.

0

 

0

SEtPoint

1

 

1

6.0

 

6.0

1

Keep pressing the Down Arrow button until the value 5.7 is displayed in the four-

1

5.9

digit display. The Setpoint menu LED and the two-digit display keep flashing.

 

 

1

5.8

1

5.7

Press the Enter button again to validate the change. The new setpoint is 5.7°C.15.7 The Setpoint menu LED and the two-digit display stop flashing, indicating that

modification mode no longer applies.

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Contents Operation and maintenance instructions 30RA/RH B 30RY/RYH B PRO-DIALOG ControlTable of Contents Safety Considerations PRO-DIALOG Control Operation General Avoid electrocutionAbbreviations used Following abbreviations are used frequentlyElectrical supply to boards Light emitting diodes on boardsSensors Pressure sensorsControls Connections at the users terminal blockDUAL-CIRCUIT Units BaseNRCP-BASE CCN Volt-free contact on/off/cooling/heating with multiplexing OFFLocal interface general features Main interfaceMain Interface Button Name Description Not available on the PRO-DIALOG Junior interfaceStopping the unit in local mode Unit start/stop controlDescription Starting unit and selecting an operating typeModifying the value of a parameter/access to a sub- menu MenusSelecting a menu Selecting a menu itemExpand display Menu Active alarm code Historic alarm code Active alarm code Historic alarmMenu tree structure SUB-MENUDescription of the Information menu Information Menu Format Units DescriptionInformation Menu Format Units DescriptionTemperatures Menu Format Units Comments Description of the Setpoints menuPressures Menu Format Units Comments Setpoints Menu Format Units Range CommentsLeaving Water Temperature Control Setpoint C Entering Water Temperature ControlReset Thresholds in Cooling or Heating Mode Description of the Inputs menuDescription of the Outputs/Tests menu General Menu descriptionOutputs Status & Tests Menu 2 Format Units Description Manual tests Automatic testsOutputs Status & Tests Menu 2 Additional heating stage statusTest Number Description Confirmation Description of the configuration menu General PasswordTest Fault Description SUB-MENU Period Configuration SUB-MENU Holiday ConfigurationDescription of the User 1 Configuration sub-menu User 1 Configuration SUB-MENU Format Units Default CommentsDescription of the User 2 Configuration sub-menu Description of Date and Time configuration sub MenuDate & Time Configuration SUB-MENU Format Comments Typical timer program Description of the Holidays sub-menusBroadcast Configuration SUB-MENU Description of the Broadcast sub-menuItem # Format Comments Description of the Alarms menu Description of the Alarms History menuRuntime menu description Description of the Runtimes 1 menuMaintenance menu description Description of Runtimes 2 menuStart/stop control Item # Format Units DescriptionHeating/cooling/standby operation Heating/cooling/auto selectionCCN Evaporator water pump control Control interlock contactEvaporator antifreeze protection Control pointCooling setpoint Heating setpointReset Night mode Reset example in cooling modeDemand limit Capacity controlMaster/slave assembly Defrost functionAdditional electric heater stage control Control of a boilerDisplaying alarms Resetting alarmsAlarm codes Then, 2 ALArM Then, no ALArMAlarm Code Descriptions

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.
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