Carrier 30GK manual Diagnostics Troubleshooting

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5 - PRO-DIALOG PLUS CONTROL OPERATION

27

5.1

- Start/stop control

27

5.2

- Heating/cooling selection

27

5.3

- Evaporator water pump control

28

5.4

- Condenser water pump control

28

5.5

- Control interlock contact

28

5.6

- Evaporator heater control

28

5.7

 

- Control point

28

 

5.7.1 - Active setpoint

28

 

5.7.2 - Reset

28

5.8 - Demand limit

29

5.9

 

- Capacity control

29

5.10

- Determining the lead circuit

29

5.11 - Circuit loading sequence

29

5.12

- Slave compressor start-up sequence

30

5.13

- Controlling the EXV

30

5.14

- Head pressure control on air-cooled units

30

5.15

- Head pressure control on water-cooled units

30

5.16 - Active setpoint selection

30

5.17

- High pressure load shedding function

31

5.18 - Pumping down

31

5.19

- Master/slave assembly

31

5.20

- Controlling Pro-Dialog Plus units with a System Manager

31

5.21

- Optional heat reclaim module

32

6 - DIAGNOSTICS - TROUBLESHOOTING

32

6.1

- General

32

6.2

- Displaying alarms

32

6.3

- Resetting alarms

32

6.4

- Alarm codes

33

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Contents 30GK Series PRO-DIALOG Control Installation, operation and maintenance instructionsTable of Contents Safety Considerations Diagnostics Troubleshooting Safety Considerations GeneralAvoiding electrocution Abbreviations used General DescriptionControl box Hardware DescriptionGeneral Control board Electronic boardsOrange LED CCN/clock board Board addressesRed LED Green LEDHeat reclaim condenser entering/leaving water temperatures Evaporator entering water temperature sensorEvaporator leaving water temperature sensor Condenser entering and leaving water temperature sensorsRemarks Description Connector Terminal ChannelUser connections Available TerminalsMain Interface Button Name Description Setting UP PRO-DIALOG Plus ControlLocal interface general features Main interfaceStarting unit and selecting an operating type Stopping the unit in local modeUnit start/stop control DescriptionSelecting a menu item Modifying the value of a parameter/access to a sub- menuMenus Selecting a menuStructure MenuStatus Menu treeInformation Menu Format Units Description Description of the Information menuPressures Menu Format Units Comments Description of the Temperatures menuTemperatures Menu Format Units Comments Description of the Pressures menuSetpoints Menu Format Units Range Comments Description of the Setpoints menuInputs Menu Format Units Comments Description of the Inputs menuDescription of the Outputs/Tests menu General Menu descriptionFormat Units Description Description of the Configuration menu General PasswordManual tests 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 Item # Format Comments Typical timer programDescription of the Holidays sub-menus Description of the Broadcast sub-menuAlarms Menu Item # Format Description Description of the Alarms menuDescription of the Alarms History menu Broadcast Configuration SUB-MENU Item # Format CommentsMaintenance menu description Runtime menu description Description of the Runtimes 2 menuDescription of the Runtimes 1 menu Heating/cooling selection Chilss Contact Type Mode ShutdownPRO-DIALOG Plus Control Operation Start/stop controlControl point Evaporator water pump control Control interlock contactCondenser water pump control Evaporator heater controlDetermining the lead circuit Demand limit by 0-10 V d.c. signalDemand limit Capacity controlHead pressure control on water-cooled units Slave compressor start-up sequenceControlling the EXV Head pressure control on air-cooled unitsControlling Pro-Dialog Plus units with a System Manager Master/slave assemblyHigh pressure load shedding function Pumping downOptional heat reclaim module Diagnostics TroubleshootingDisplaying alarms Resetting alarmsAlarm Code Descriptions Alarm codesCCN Starter Guard Compressor faults 6.4.1.1 GeneralDGT only for units with low-temperature option Compressor protection devices

30GK specifications

The Carrier 30GK is a prominent chiller model known for its efficiency and reliability in various commercial and industrial applications. Offering a blend of advanced technology and robust design, the 30GK series caters to diverse cooling needs while maintaining energy efficiency and low operational costs.

One of the standout features of the 30GK is its use of the latest scroll compressor technology. This contributes to its efficient performance, enabling the chiller to operate at optimal levels while minimizing energy consumption. The scroll compressor is known for its quiet operation, which reduces noise pollution, making it an ideal choice for buildings located in noise-sensitive environments.

The 30GK chiller series is equipped with microchannel coil technology, which allows for improved heat exchange efficiency. The microchannel design uses a compact coil structure that enhances refrigerant flow and reduces refrigerant volume, leading to a smaller footprint compared to traditional coil designs. This innovative design not only saves space but also improves the chiller's overall performance.

Another notable characteristic of the Carrier 30GK is its environmental consciousness. The chiller operates using environmentally friendly refrigerants, aligning with modern regulations and sustainability goals. Its design incorporates energy-efficient components that contribute to significant reductions in greenhouse gas emissions, making it suitable for environmentally responsible projects.

Moreover, the 30GK is designed for easy serviceability, with accessible components that simplify maintenance. This feature is particularly important for facility managers seeking to minimize downtime and keep maintenance costs low. The chiller also includes advanced monitoring and control systems, which enable real-time performance tracking and diagnostics, enhancing operational efficiency.

In terms of performance, the 30GK chiller is known for its wide capacity range, making it versatile for various applications. Whether for commercial spaces, industrial processes, or large buildings, the 30GK can meet the cooling demands reliably.

Overall, the Carrier 30GK chiller represents a perfect balance of cutting-edge technology, energy efficiency, and sustainability. Its features make it a leading choice in the market, suited for those looking to invest in high-quality and dependable cooling solutions.
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