Emerson AE8-1385 specifications Open Start Circuit, Open Run Circuit, Over Current Protection

Page 12

Application Engineering

 

 

 

 

B U L L E

T

I

N

AE8-1385

Table 2 Continued

 

 

1.

Evaporator blower is not running

 

 

 

•

Check blower relay coil and contacts

 

 

 

•

Check blower motor capacitor

 

Compressor (Moderate Run)

 

•

Check blower motor for failure or blockage

Red “LOCKOUT”

Trip

 

•

Check evaporator blower wiring and connectors

Compressor is locked out

 

•

Check indoor blower control board

Flash Code 5

 

after 4 consecutive or 10 total

 

•

Check thermostat wiring for open circuit

Yellow Off

 

compressor (moderate run) trip

2.

Faulty metering device

 

 

events

 

•

Check TXV bulb installation (size, location and contact)

 

 

 

• Check if TXV/fixed orifice is stuck closed or defective

 

 

3.

Condenser coil poor air circulation (dirty, blocked, damaged)

 

 

4.

Low refrigerant charge

 

 

1.

Run capacitor has failed

Red “LOCKOUT”

 

2.

Open circuit in compressor start wiring or connections

Open Start Circuit

 

•

Check wiring and connectors between supply and the

Flash Code 6

 

Current only in run circuit

 

 

compressor “S” terminal

Yellow Off

 

 

 

3.

Compressor start winding is damaged

 

 

 

 

 

•

Check compressor motor winding resistance

 

 

1.

Open circuit in compressor run wiring or connections

Red “LOCKOUT”

 

 

•

Check wiring and connectors between supply and the

Open Run Circuit

 

 

compressor “R” terminal. Confirm proper wire routing per

Flash Code 7

 

 

Current only in start circuit

 

 

Figure 1.

Yellow Off

 

 

 

2.

Compressor run winding is damaged

 

 

 

 

 

•

Check compressor motor winding resistance

Red “LOCKOUT”

Over Current Protection

1.

Check for contactor shorted to ground

Current to PROT is greater than

Flash Code 10

2.

Check for mis-wiring to the PROT terminal

2A mps

 

 

 

 

The contents of this publication are presented for informational purposes only and they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. Emerson Climate Technologies, Inc. reserves the right to modify the designs or specifications of such products at any time without notice. Emerson Climate Technologies, Inc. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Emerson Climate Technologies, Inc. product remains solely with the purchaser and end-user.

© 2011 Emerson Climate Technologies

12

Printed in the U.S.A.

 

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Contents Table of Contents ApplicationEngi EngineeringSafety Instructions Safety Icon ExplanationSafety Statements Electrical Shock HazardPressurized System Hazard Burn HazardInstallation IntroductionOperation Service Module Dimensions in Millimeters Wiring Diagram ProtCode1 Code2Code Code4CoreSense Diagnostics LED Troubleshooting Information Locked Rotor Compressor Moderate RunTrip Welded ContactorOpen Start Circuit Open Run CircuitOver Current Protection

AE8-1385 specifications

The Emerson AE8-1385 is a cutting-edge automation solution designed to enhance operational efficiency and reliability in various industrial applications. This advanced device exemplifies Emerson’s commitment to innovation, boasting features that cater to the demands of modern industries, specifically in process control, monitoring, and data acquisition.

One of the standout features of the AE8-1385 is its robust communication capabilities. It supports multiple communication protocols, including Modbus, Ethernet/IP, and Profibus, allowing it to seamlessly integrate with existing systems and facilitate real-time data exchange. This flexibility ensures that users can connect the AE8-1385 to a wide variety of equipment and software, promoting interoperability across the production environment.

In terms of technology, the AE8-1385 integrates state-of-the-art sensing and actuation methods to provide accurate and reliable measurements. Its advanced signal processing capabilities enhance the clarity of data collected from various sensors, enabling precise control and monitoring of critical processes. The device is engineered with high-quality materials, ensuring durability and performance in harsh industrial settings.

Additionally, the AE8-1385 features a user-friendly interface that simplifies operation and reduces training time for personnel. The intuitive design allows operators to access vital information quickly, making modifications to settings or responding to alarms easier and more efficient. This focus on usability not only enhances productivity but also improves response times in critical situations.

Another essential characteristic of the AE8-1385 is its scalability. It can be deployed in small-scale applications or expanded to support larger, more complex systems as operational requirements evolve. This adaptability makes it a valuable investment for companies looking to future-proof their automation solutions.

The AE8-1385 is also equipped with advanced security features that protect against unauthorized access and data breaches, an essential consideration in today’s increasingly interconnected industrial landscape. This added layer of security ensures that sensitive operational information remains confidential and secure.

In summary, the Emerson AE8-1385 is an innovative automation solution that combines versatile communication capabilities, advanced sensing technology, user-friendly design, scalability, and robust security features. Its integration into industrial processes can lead to enhanced efficiency, improved data management, and increased operational reliability, making it an ideal choice for industries prioritizing modernization and performance.
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