Suzhou Xinya Technology PLC2.0-SLLXX Single/Double System Screw Chiller Controller User Manual

About this manual

This user manual covers the operation and setup of the PLC2.0-SLLXX controller for screw chiller systems. It includes instructions for startup, temperature control, pressure monitoring, and troubleshooting common faults. The controller supports dual independent systems, energy regulation, and external alarm inputs. It is designed for screw compressors with four-stage capacity control.

The manual provides detailed steps for accessing advanced settings, managing system parameters, and diagnosing issues such as pump failure, freeze protection, or sensor faults. It also includes technical specifications for pressure and temperature ranges, sensor types, and power requirements. This manual is written in Chinese.

What's inside

• Main Functions
• Technical Specifications
• Startup Operation
• User Operation
• Advanced Parameter Settings
• Troubleshooting
• System Output Status
• Alarm Settings

Specifications

Frequently asked questions

What is the startup procedure for the PLC2.0-SLLXX controller?

To start the controller, enter the administrator account (001) and password (123456), then press the 'Enter' key. For dual systems, click the 'Start' button; for single systems, click the '启动键' to initiate operation.

What is the product this manual is for?

PLC2.0-SLLXX 单/双系统螺杆冷水机组 控制器

What is the controller's power requirement?

DC 24V/ 500mA MAX：12W

What is the maximum output load capacity?

8A/250VAC