ICS iC 660 User Manual

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WATER CHILLERS

OPERATING AND MAINTENANCE MANUAL

iC 215 ÷ iC 780

38178800943

Original instructions in Italian language

Table of Contents

Questions and Answers:

W
williamsullivanAug 8, 2025
Why is the ICS iC 660 Chiller tank water outlet temperature too high?
- P
  perezlucasAug 8, 2025
  If the tank water outlet temperature (BTWOT) of your ICS Chiller is higher than the prescribed value, it could be due to several reasons. First, the thermal load might be too high; in this case, try to restore the thermal load to the prescribed limits. Secondly, the ambient temperature might be too high; if the unit is in an enclosed space, improve ventilation to reduce the ambient temperature to the recommended level. Also, check if the condenser fins are dirty and clean them if necessary. Ensure that the front surface of the condenser isn't blocked; if it is, remove the obstruction. Finally, it may be due to refrigerant fluid leak or compressor protection trips; in such cases, call a qualified refrigeration engineer to check for and fix any leaks and recharge the circuit.
B
Brian ColemanAug 25, 2025
What to do if there is insufficient pressure head at the ICS Chiller pump outlet?
- K
  Kelsey GuerreroAug 25, 2025
  If you're experiencing insufficient water pressure at the pump outlet of your ICS Chiller, it could be due to an excessively high water flow rate. Try restoring the flow rate to the prescribed limits, perhaps by partially closing the pump outlet cock. Also, reset the pump thermal cutout and check the electrical power consumption. Alternatively, the evaporator might be clogged by impurities. Clean the evaporator by flushing it with a mild detergent suitable for steel, aluminum, and copper, and supply a high flow rate of water in countercurrent conditions. Consider installing a filter upstream from the unit.

ICS iC 660 Specifications

General

Brand	ICS
Model	iC 660
Category	Chiller
Language	English

Summary

User's Quick Guide

Unit Start/Stop

Explains how to switch the unit on or off using the keypad or a digital input.

Setpoint Adjustment

Details on displaying and modifying the unit's operating setpoint via the control panel.

Alarms Display and Reset

Procedure to view active alarms, reset them, and navigate the alarm log.

General Information and Safety

Safety Precautions

General safety guidelines, user circuit liquids, and lifting/transport precautions.

Installation and Operation Safety

Safety measures for installation, operation, and maintenance procedures.

Refrigerant Handling and Safety

Information on refrigerant gases, safety data, and physical properties.

Chapter 2 Safety

Operational Safety Measures

Precautions for safe operation and maintenance, including electrical safety.

Chapter 5 Installation

Freeze Protection Measures

Hydraulic and Electrical Connections

Chapter 6 Starting

Unit Startup Procedure

Chapter 7 Electronic Controller

User Interface and Buttons

Unit Start/Stop and Setpoint

Procedures for starting, stopping, and adjusting unit setpoints.

Alarms Management

How to display, reset, mute alarms, and understand alarm codes.

Parameter Access and Settings

Guide to accessing, viewing, and changing controller parameters.

Compressor and Fan Control

Chapter 8 Other Components

Motor Protection and Pressure Switches

Information on compressor motor protection and refrigerant pressure switches.

Chapter 9 Operation and Maintenance

Maintenance Schedule

Chapter 10 Troubleshooting

High Outlet Temperature and Low Pump Pressure Issues

High Pressure and Compressor Protection Alarms

Low Pressure and Pump Malfunction Troubleshooting

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