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ICS iC 525 - 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

  • S
    Shelia SmithAug 8, 2025
    Why is the ICS Chiller tank water outlet temperature too high?
    • L
      Lisa LeeAug 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.
  • A
    Anna NelsonAug 23, 2025
    What to do if there is insufficient pressure head at the ICS iC 525 pump outlet?
    • S
      Sandra CisnerosAug 23, 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.

Summary

Users Quick Guide

Unit Start;Stop

The unit can be switched on and off locally via the keypad or remotely via a digital input.

Alarms Display and Reset

Procedure to view and reset active alarms on the unit's controller.

Chapter 2 Safety

General Safety Precautions

General safety precautions, warnings, and responsibilities for personnel.

User Circuit Liquids Safety

Details on liquids used in the circuit and associated safety measures.

Lifting and Transport Precautions

Guidelines for safely lifting and transporting the unit, including weight specifications.

Installation Precautions

Safety measures and considerations for installing the unit.

Operation Precautions

Safety measures and precautions for operating the unit.

Maintenance Precautions

Safety measures and precautions to be taken during maintenance.

Refrigerant Gases Safety

Information about the refrigerant used and safety handling procedures.

Refrigerant Safety Data Sheet

Safety data sheet for refrigerant R410A, including hazards and first aid.

Chapter 5 Installation

Installation Location

Guidelines for selecting a suitable installation location, considering ventilation and environment.

Freeze Protection Measures

Measures and recommendations for protecting the unit from freezing.

Hydraulic Connections

Instructions for making hydraulic connections to the unit, including valve and filter recommendations.

Electrical Connections

Detailed guidelines for electrical power supply connection, compliance, and safety.

Phase Monitor Functionality

Function of the phase monitor device for power supply monitoring and unit protection.

Chapter 6 Starting

Unit Starting Procedure

Step-by-step procedure for safely starting the unit and initial checks.

Chapter 7 Electronic Controller

User Interface Overview

Description of the controller's display, icons, and their meanings.

Controller Button Functions

Explanation of the controller's buttons and their functions in different modes.

Unit Start;Stop Control

Methods for starting and stopping the unit via keypad or digital input.

Setpoint Adjustment

Procedures for displaying and changing the unit's setpoint.

Alarm Management Overview

General information on alarm management by the electronic controller.

Alarms Display and Reset

Procedure to view and reset active alarms using the ALrM function.

Buzzer Muting and Alarm List

Methods for muting the buzzer and a comprehensive list of alarms.

Specific Alarm Details

Chiller Mode Alarms

Phase Monitor and Maintenance Alarms

Alarm Log Management

Parameter Access and Navigation

Parameter Value Modification

Unit Adjustment and Control

Compressor Control Strategies

Fan Control Strategies

Parameter Description (Thermoregulation)

Parameter Description (Outputs)

Parameter Description (Compressors)

Parameter Description (Alarms)

Parameter Settings Overview

Chapter 8 Other Components

Refrigerant Pressure Switches

Details on low and high pressure switches, their function, and trip/reset values.

Level Sensor Functionality

Chapter 9 Operation and Maintenance

Accessing Unit Components

Draining the Process Water Circuit

Maintenance Schedule

Recommended maintenance tasks and their frequencies.

Chapter 10 Troubleshooting

High Water Outlet Temperature

Low Pump Outlet Pressure

Water Pressure;Level Sensor Alarms

Troubleshooting for water differential pressure or level sensor alarms (AEFL).

High Pressure Switch Trips (Models iC 215-540)

Troubleshooting for high pressure switch trips on specific models.

High Pressure;Compressor Protection Trips (Models iC 640-780)

Troubleshooting for HP trips and compressor protection on specific models.

Low Pressure Switch Trips

Troubleshooting for low pressure switch trips.

Compressor Protection Trips (Models iC 215-540)

Troubleshooting for compressor protection trips on specific models.

Alarm b(n)Ac (Low Water Outlet Temp)

Alarm AtE1;AtE2 (Pump Thermal Cutout)

ICS iC 525 Specifications

General IconGeneral
BrandICS
ModeliC 525
CategoryChiller
LanguageEnglish

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