S&A CWFL-4000 - User Manual

CWFL-4000
DUAL TEMPERATURE AND
DUAL PUMP INDUSTRIAL CHILLER
USER MANUAL

Summary

Cautions

General Safety & Operational Guidelines

Covers power, voltage, frequency, water level, ventilation, filter cleaning, and condensate management.

Contour and Parts Introduction

Component Identification

Identifies key components like controller, pumps, outlets, inlets, and gauges.

Installation

Installation Procedures

Covers unpacking, filling water, connecting pipes, powering on, and initial checks.

Unit Introduction and Parameters Adjustment

Unit Features & Control Panel

Overview of unit capabilities, LCD screen, and operation buttons.

Parameter Adjustment Methods

Covers quick adjustment, user menu access, and navigation.

Advanced Menu Functions

Includes viewing failure history, restoring settings, clock, and language.

Forced Refrigeration Control

How to activate and deactivate the forced refrigeration function.

Detailed Parameter Settings

Temperature & Control Parameters

Parameters for set temperature, hysteresis, and control modes.

Alarm & Delay Settings

Parameters for temperature, sensor, and flow alarms, and their delays.

Protection, Input, Conductivity & Lock Settings

Parameters for compressor protection, inputs, conductivity, and key lock.

Failure Warning Processing Mode

Alarm Notification & Silence

How alarms are displayed and how to silence audible alerts.

Failure Code Table

Communication, System & Overload Alarms (E00-E14)

Details communication, flow, temperature, phase, and overload alarms.

Sensor & Conductivity Alarms (E15-E21)

Covers sensor failures, conductivity limits, and exhaust temperature alarms.

Conductivity Meter (Optional)

Conductivity Monitoring & Alarms

Covers monitoring range, optional alarm output, and indication.

Alarm and Communication Output

Wiring Diagram

Schematic showing alarm and MODBUS RS-485 wiring connections.

Alarm Signal States

Table detailing alarm signal states based on unit conditions.

MODBUS RS-485 Communication Function

Communication Protocol

System uses MODBUS-RTU slave mode with specific baud rate and data bits.

Command Format 03 (Read Registers)

Details host send and slave response formats for reading registers.

Command Format 06 (Write Register)

Details host send and slave response formats for writing single registers.

Error Handling & Codes

Describes error codes and exception codes for both command formats.

Read-Only Parameters (Sensors, Current)

Table of read-only parameters with register addresses, ranges, and units.

Read-Only Parameters (State - Relay Output)

Details bit definitions for relay output status registers.

Read-Only Parameters (State - Digital Input)

Details bit definitions for digital input switch status registers.

Read-Only Parameters (Alarm Status - High 16-bit)

Bit definitions for high 16-bit alarm status registers.

Read-Only Parameters (Alarm Status - Low 16-bit)

Bit definitions for low 16-bit alarm status registers.

Read;Write Registers (External Input Off)

Information on read/write registers when external input function is off.

Specifications

Model CWFL-4000 ET Specifications

Technical specifications for the CWFL-4000ET model.

Model CWFL-4000 FT Specifications

Technical specifications for the CWFL-4000FT model.

General Specifications

Covers voltage, frequency, current, capacity, refrigerant, precision, protection, and dimensions.

Simple Troubleshooting

Power & Flow Issues

Troubleshooting for no power and flow alarms or issues.

Temperature & Condensate Issues

Troubleshooting high temperature alarms and condensate water problems.

Drainage & Ventilation Issues

Troubleshooting slow drainage and poor ventilation.

S&A CWFL-4000 Specifications

General

Cooling Capacity	4000W
Refrigerant	R-410a
Voltage	380V
Frequency	50/60Hz
Water Flow Rate	70 L/min
Flow Rate	70 L/min
Temperature Control Range	5°C - 35°C