ICS iC 305 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:

E
elizabeth75Aug 8, 2025
Why is the ICS iC 305 Chiller tank water outlet temperature too high?
- Z
  zachary71Aug 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.
M
moranseanAug 22, 2025
What to do if there is insufficient pressure head at the ICS Chiller pump outlet?
- T
  Theresa DavisAug 22, 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 305 Specifications

General

Brand	ICS
Model	iC 305
Category	Chiller
Language	English

Summary

User's Quick Guide

Unit Start/Stop

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

Setpoint Adjustment

Alarms Display and Reset

Procedure to view and reset alarms, excluding compressor thermal cut-outs.

Installation Guide

Electrical Connection Guidelines

Guidelines for safe and compliant electrical connections.

Unit Starting Procedure

Initial Unit Startup Steps

Electronic Controller Functions

Unit Start and Stop Operations

Methods for switching the unit on and off.

Alarms Management

Overview of alarm management by the electronic controller.

Parameter Programming Guide

Overview of parameter access levels (User, Service, Manufacturer).

Unit Adjustment and Control

Overview of unit adjustment and control features.

Compressor Control Strategies

Parameter Descriptions and Settings

List of programmable parameters and their access levels.

Operation and Maintenance

Maintenance Access and Schedule

Procedures for accessing unit components and maintenance schedule.

Troubleshooting Common Issues

High Pressure Switch Trip

Troubleshooting for HP trip alarms.

HP Trip & Compressor Protection

Troubleshooting for HP trip and compressor protection alarms.

Low Pressure Switch Trip

Troubleshooting for LP trip alarms.

Compressor Protection Trips

Troubleshooting for compressor protection trips.

Display Blank & No LEDs Issue

Probe Alarms (AP1-AP6)

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

Pump Thermal Cutout Alarms (AtE1/AtE2)

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