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Sanhua SEC Series - User Manual

Sanhua SEC Series
17 pages
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Copyright © SANHUA 2019
Subject to change without notice
II-SEC61-EN-R2010
SEC series EEV Controller
Manual/Installation Instructions
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Summary

Cautions and Safety Guidelines

General Safety and Installation Precautions

Covers electrical shock, installation environment, power, wiring, and interference avoidance.

Installation Notes

DIN Slide Rail Mounting

Instructions for mounting the controller on a DIN rail in an electric cabinet.

Sensors Installation

Guidance on installing pressure and temperature sensors at evaporator outlets.

DIP Switch Settings

EEV Type Selection

Configuration of EEV steps, speed, and mode using DIP SW2 and SW3.

Control Method Selection

Determining the control method (e.g., Superheat, Manual) using DIP SW1 and SW4.

Buttons and Operation

Interface Overview and Button Functions

Explains controller display, LEDs, and button functions for navigation and operation.

Parameter Setting and Modification

Step-by-step guide to enter, modify, and save controller parameters.

Main Parameter Settings

Key parameters for configuration, including refrigerant, superheat, and timings.

Alarm Modes

Communication Protocol

Communication Specifications

Details transmission line, method, baud-rate, and protocol type for communication.

Communication Status and Functions

Lists communication status bits and their associated functions for SEC601 and MMI.

Sanhua SEC Series Specifications

General IconGeneral
Communication ProtocolModbus RTU
Protection ClassIP20
Housing MaterialPlastic
SeriesSEC Series
Power Supply24V AC/DC
ApplicationRefrigeration and Air Conditioning Systems

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