Carrier 30RY/RYH, 30RA/RH manual Test Number Description Confirmation

Page 21

The table below describes the different sequences of the automatic test.

TEST NUMBER

DESCRIPTION

CONFIRMATION

0

Outdoor temperature sensor test

yes

1

Pressure sensor test - circuit A

no

2

Pressure sensor test - circuit B (dual-circuit units only)

no

3

Defrost sensor test - circuit A (heat pumps only)

no

4

Defrost sensor test - circuit B (dual-circuit heat pumps only)

no

5, 6

Water flow switch test and primary pump test

no

7, 8, 9

Entering and leaving water temperature sensor test

no

10, 11

Water system temperature sensor test (for master/slave units equipped with this sensor only)

no

12, 13, 14

Water flow switch test and secondary pump test (for units equipped with a secondary pump only)

no

15, 16, 17

Test compressor A1, A2 (if applicable), A3 (if applicable)

no

18

4-way reversing valve test, circuit A (heat pumps only)

no

19, 20, 21

Test compressor B1 (if applicable), B2 (if applicable), B3 (if applicable)

no

22

4-way reversing valve test, circuit B (dual-circuit heat pumps only)

no

23

Low-speed test, fan A1 (units not equipped with Varifan)

yes

24

High-speed test, fan A1 (units not equipped with Varifan)

yes

25

Low-speed test, fan A2 (dual-circuit units not equipped with Varifan)

yes

26

High-speed test, fan A2 (dual-circuit units not equipped with Varifan)

yes

27

Fixed-speed test, fan A2 (for circuits equipped with a second fan)

yes

28

Fixed-speed test, fan B2 (for circuits equipped with a second fan)

yes

29

Water and air heat exchanger heater test

yes

30Not used

31

Boiler output activation (if unit controls a boiler)

yes

32

Additional electric heating stage 1 activation (if unit controls electric heating stages)

yes

33

Additional electric heating stage 2 activation (if unit controls electric heating stages)

yes

34

Additional electric heating stage 3 activation (if unit controls electric heating stages)

yes

35

Additional electric heating stage 4 activation (if unit controls electric heating stages)

yes

36

Alarm output A activation

yes

37

Alarm output B activation

yes

38

Automatic test completed

-

21

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Contents 30RA/RH B 30RY/RYH B PRO-DIALOG Control Operation and maintenance instructionsTable of Contents Safety Considerations PRO-DIALOG Control Operation Avoid electrocution GeneralAbbreviations used Following abbreviations are used frequentlyLight emitting diodes on boards Electrical supply to boardsSensors Pressure sensorsConnections at the users terminal block ControlsDUAL-CIRCUIT Units BaseNRCP-BASE CCN OFF Volt-free contact on/off/cooling/heating with multiplexingMain interface Local interface general featuresMain Interface Button Name Description Not available on the PRO-DIALOG Junior interfaceUnit start/stop control Stopping the unit in local modeDescription Starting unit and selecting an operating typeMenus Modifying the value of a parameter/access to a sub- menuSelecting a menu Selecting a menu itemExpand display Menu Active alarm code Historic alarm Active alarm code Historic alarm codeMenu tree structure SUB-MENUInformation Menu Format Units Description Description of the Information menuFormat Units Description Information MenuDescription of the Setpoints menu Temperatures Menu Format Units CommentsPressures Menu Format Units Comments Setpoints Menu Format Units Range CommentsEntering Water Temperature Control Leaving Water Temperature Control Setpoint CReset 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 Automatic tests Manual testsOutputs Status & Tests Menu 2 Additional heating stage statusTest Number Description Confirmation Description of the configuration menu General PasswordTest Fault Description SUB-MENU Holiday Configuration SUB-MENU Period ConfigurationUser 1 Configuration SUB-MENU Format Units Default Comments Description of the User 1 Configuration sub-menuDescription of the User 2 Configuration sub-menu Description of Date and Time configuration sub MenuDate & Time Configuration SUB-MENU Format Comments Description of the Holidays sub-menus Typical timer programBroadcast Configuration SUB-MENU Description of the Broadcast sub-menuItem # Format Comments Description of the Alarms History menu Description of the Alarms menuRuntime menu description Description of the Runtimes 1 menuDescription of Runtimes 2 menu Maintenance menu descriptionStart/stop control Item # Format Units DescriptionHeating/cooling/standby operation Heating/cooling/auto selectionCCN Control interlock contact Evaporator water pump controlEvaporator antifreeze protection Control pointHeating setpoint Cooling setpointNight mode Reset example in cooling mode ResetDemand limit Capacity controlDefrost function Master/slave assemblyAdditional electric heater stage control Control of a boilerResetting alarms Displaying 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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