SZ-7548T | Panel AC Temperature Controller with 20A Relay & Door Fault Input

Product Summary

The SZ-7548T Temperature Controller is a high-performance solution for industrial cooling systems such as panel air conditioners and oil coolers. It comes with a 20A compressor relay and 3A alarm output, making it ideal for heavy-duty applications. With a touch-sensitive keypad, password protection, ON/OFF delay for compressor safety, and fault logging, it ensures durability and reliability in demanding environments.

Key Features

• 20A Compressor Relay with additional 3A alarm output

• Touch-Sensitive Keypad for modern operation

• Settable ON & OFF Delay for compressor protection

• Password Protection for secure parameter settings

• High & Low Temperature Logs for better monitoring

• Digital Door Input to detect door open faults

• Temperature Range: -9°C to 99°C, Resolution: 1°C

• NTC Probe Input for accurate measurement

• Compact Panel Mount Housing (71 x 29mm cutout)

Applications

• Panel Air Conditioners

• Oil Coolers

• Industrial HVAC Systems

• Control Panels with cooling requirements

Product Benefits

• Prevents compressor damage with ON/OFF delay protection

• Enhances safety with door open fault detection

• Reliable long-term performance with password security and logs

• User-friendly touch keypad interface

• Flexible integration with industrial cooling systems

FAQ

Q1: What is the primary use of SZ-7548T?
A1: It is designed for panel ACs and oil coolers, ensuring efficient compressor control and fault detection.

Q2: What makes it different from standard controllers?
A2: It has a touch-sensitive keypad, door input detection, and logging features for advanced monitoring.

Q3: What is the relay capacity?
A3: The controller provides a 20A relay for compressors and a 3A relay for alarms.

Q4: What type of sensor does it support?
A4: It supports NTC temperature sensors.

Q5: Can it log faults?
A5: Yes, it stores high and low temperature logs for diagnostic purposes.