Schneider Electric ACRC502, ACRC500, ACRC501 manual Problem Possible Cause Corrective Action

Page 49

 

Problem

Possible Cause

Corrective Action

 

Alarms do not show

• External monitoring equipment • Confirm that power, if required, is being supplied to the

 

up on monitoring

is not receiving power or is not

external equipment.

 

equipment (Customer

functioning properly

• If the cooling unit (+12 V or +24 V) is providing power to the

 

Output Contact)

 

external equipment, verify that the external equipment is

 

 

 

<50 mA.

 

 

 

• Test the external equipment by bypassing the customer

 

 

 

output contact.

 

 

 

• Verify Customer Output Contact settings. See “Contacts” on

 

 

 

page 14.

Cooling unit does not • Drive voltage shut down on

command

•Verify that there is a drive voltage entering the input of the cooling unit. You may use the available +12 V or +24 V. You must also use the ground.

•Verify Customer Input Contact settings. See “Contacts” on page 14.

No communication

• Improper connection

• Confirm that the cooling unit is connected to the BMS port

with building

 

and not to the Control port.

management system

 

• Make sure that the wire polarity is correct. Using a DC

(BMS) port

 

voltmeter, test the signal with no transmissions in progress.

 

 

Expect the voltage at pin 2 to be greater than at pin 1 by at

 

 

least 200 mV. Measure the cooling unit with the cable

 

 

disconnected, and then measure it again with the cable

 

 

connected. If the signal is less than 200 mV, the cooling unit

 

 

may be reverse-wired.

 

 

• Make sure that every cooling unit has either two sets of

 

 

wires in its connector or one set of wires and a terminating

 

 

resistor of 100 to 120 ohms.

Cooling units are not

• A-Link failure

• Verify that the first and last cooling units have one cable and

communicating with

 

a terminator.

each other

 

• Verify that every other cooling unit has two cables.

 

 

• Confirm that the A-Link cables are connected to the A-Link

 

 

ports and that a network cable is connected to the network

 

 

port.

 

 

• Verify that the number of cooling units in the cooling group

 

 

matches the group number setting.

Output air is 17°C (62°F) and fans are running at a very high rate of speed.

•Upper or lower supply air sensor

•Either upper or lower supply air temperature sensor has a fault. Verify that both supply air temperature sensors are installed and working properly.

InRow RC Operation and Maintenance Manual

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Contents 990-3237B-001 Publication Date November Operation and Maintenance ManualSchneider Electric IT Corporation Legal Disclaimer Table of Contents Network Management Card Troubleshooting Page General Information Important Safety InformationHazard of Electric SHOCK, EXPLOSION, or ARC Flash Safety Notices During OperationStatic Electricity Hazard Initial inspection checklist ChecklistsCommissioning Ensure thatElectrical Hazard Electrical inspection checklistPiping Installation Mechanical inspection checklistStart-up inspection checklist User interface inspection checklistFinal inspection checklist While the equipment is operating, ensure thatDisplay Interface OperationDescription Function Scrolling status screens Using the DisplayMain menu screens Navigating the main menuPath Main Set Password Change Passwords Using the Path statementNavigating sub-menus Path Main Operation Limit Access Password entryStart the cooling unit Path Main On/StandbyStandby Option Stop the cooling unitCooling unit configuration General ConfigurationPath Main Configure Unit General Path Main Configure Unit Discrete I/O Normal State Path Main Configure Unit Discrete I/OContacts View the state of input and output contactsConfigure the cooling group Cooling Group ConfigurationPath Main Configure Group Path Main Configure Modbus Configure ModbusIdentify the cooling unit Path Main Set IdentificationControl the Environment How the Cool mode worksSetpoints Path Main Set Group SetpointsPath Main Set Group PIDs PID settingsTune the PID loop Loop Behavior PID Tuning CorrectionControl Method Proportional Integral Derivative Run hours Service intervalsThresholds Password & timeout Display SettingsAdjust display Date & timePath Main Menu Set Display Units Display unitsConfigure the network Network ConfigurationPath Main Configure Network Cooling unit status View Status ReadingsPath Main View Unit Status About the cooling unit Cooling group statusPath Main View Group Status Path Main About InRow RCView event log Event LogClear event log Path Main View Event LogView active alarms Respond to AlarmsClear active alarms Alarm messages and suggested actionsThreshlds screen Configure Unit General Role Override Auto and that coolingAlarm Message Severity Action Required TCP/IP configuration methods Quick ConfigurationSchneider Electric Device IP Configuration Wizard Network Management CardIni file utility Bootp & Dhcp configuration Remote access to the control console Local access to the control consoleNetwork TCP/IP Boot Mode Dhcp only Advanced Dhcp Cookie Is Choose Network from the Control Console menu Control consoleWeb interface Access a Configured Network Management CardTelnet and SSH Modbus Simple Network Management Protocol SnmpInRow RC Operation and Maintenance Manual Recover From a Lost Password Monthly Preventive Maintenance MaintenanceCleanliness EnvironmentElectrical MechanicalFunctional Semi-Annual Preventive MaintenanceProblem Possible Cause Corrective Action TroubleshootingProblem Possible Cause Corrective Action Page Page Worldwide Customer Support

ACRC501, ACRC502, ACRC500 specifications

Schneider Electric, a global leader in energy management and automation, has introduced its sophisticated line of edge computing solutions, namely the ACRC500, ACRC501, and ACRC502. These models are designed specifically to meet the increasing demand for efficient and reliable edge computing environments across various industries.

The ACRC500 serves as a compact and versatile solution that caters to small to medium-sized applications. It is engineered to optimize performance by utilizing advanced thermal management technologies. With a scalable architecture, the ACRC500 can easily be adapted for diverse workloads, making it ideal for facilities requiring quick deployment and efficient operation.

Meanwhile, the ACRC501 provides enhanced performance capabilities with increased processing power and memory. This model incorporates state-of-the-art technologies such as edge analytics and artificial intelligence, allowing businesses to make data-driven decisions in real time. Its robust design ensures it can withstand harsh environmental conditions, making it suitable for industrial settings. The ACRC501 also features advanced security protocols, ensuring sensitive data is safeguarded against potential cyber threats.

The ACRC502 stands out with its focus on high-density applications, offering improved data handling and processing efficiency. This model supports a wide range of connectivity options including Wi-Fi, Ethernet, and cellular networks, ensuring seamless integration into existing infrastructure. Its modular design allows for easy upgrades and scalability, making it a future-proof investment for enterprises looking to expand their edge computing capabilities.

All three models—ACRC500, ACRC501, and ACRC502—are built on Schneider Electric's EcoStruxure platform. This innovation enables real-time monitoring and analytics, facilitating proactive maintenance and reducing downtime. Furthermore, they support IoT applications, making them ideal for smart factory implementations, healthcare analytics, and energy management systems.

In addition to their high-performance features, these edge computing solutions are designed with sustainability in mind. Schneider Electric emphasizes energy efficiency and reduced carbon footprints in their development processes, aligning with global sustainability goals. The result is a suite of products that not only enhance operational efficiency but also contribute to a more sustainable future for businesses.

In conclusion, the ACRC500, ACRC501, and ACRC502 represent Schneider Electric's commitment to innovation in edge computing. With their array of features and technologies, these models are poised to meet the evolving needs of industries across the globe, driving the future of operational efficiency and sustainability.
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