ICS iC 303 User Manual

WATER CHILLERS
OPERATING AND MAINTENANCE MANUAL
iC 215 ÷ iC 780
38178800943
Original instructions in Italian language

ICS iC 303 Specifications

General

Brand	ICS
Model	iC 303
Category	Chiller
Language	English

Summary

User's Quick Guide

Setpoint

Procedures for viewing and modifying the chiller's target temperature setting.

Alarms display and reset

How to view and clear active alarms, including password requirements.

SAFETY

General

Essential safety rules and precautions for handling and maintaining the unit.

User circuit liquids

Lifting and transport precautions

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

Precautions to be adopted during installation

Safety measures required before and during unit installation.

Precautions to be adopted during operation

Safety rules for operating the unit, electrical safety, and personnel qualifications.

Maintenance precautions

Safety guidelines for performing maintenance tasks and using genuine parts.

Refrigerant gases

Safety data and first aid for refrigerant R410A, including handling and storage.

Refrigerants safety datasheet

Detailed safety information for refrigerants, including hazards and first aid.

INSTALLATION

Inspection

Procedures for checking the unit after unpacking.

Location

Guidelines for selecting an appropriate installation site for the unit.

Freeze protection

Operating limits

Hydraulic connections

Guidelines for connecting the unit's water inlet and outlet.

Electrical connections

Safety and compliance rules for connecting the unit to the power supply.

Phase Monitor

ELECTRONIC CONTROLLER

User interface

Description of the controller's display, icons, and status indicators.

Function of buttons

Explanation of the primary functions assigned to each button on the controller.

Function of combined buttons

Remote terminal

Probes key

Unit start/stop

Procedures for switching the unit on and off locally or remotely.

Start from the keypad

How to start or stop the unit using the controller's keypad.

Start from a digital input

How to control unit start/stop using a remote digital input signal.

Setpoint

Information on displaying and changing the unit's setpoint values.

Display the setpoint

Steps to view the current chiller setpoint on the controller display.

Change the setpoint

Procedure for modifying the chiller's working setpoint value.

Functions menu button "Menu"

Overview of functions accessible via the "Menu" button.

CrEn - Enable or disable the single circuit

COEn - Enable or disable the single compressor

Alarms

General introduction to the electronic controller's alarm management system.

Alarms display and reset (ALrM function)

Procedures for displaying and resetting active alarms.

General alarms list

A list of alarm codes, descriptions, and their associated outputs.

Probe faulty

High pressure switch alarm

Details on high pressure switch alarms and their display labels.

High pressure switch alarm and/or compressor thermal alarm

Specifics for iC 640-780 models regarding high pressure and compressor thermal alarms.

Low pressure switch alarm

Details on low pressure switch alarms and their display labels.

High pressure

Low pressure

Anti-freeze alarm

Chiller mode anti-freeze alarm

Water differential pressure switch alarm

Details on alarms related to water differential pressure switches.

Compressors thermal alarm

Information on alarms triggered by compressor thermal protection.

Fan thermal alarm

High condensing pressure unloading indication in chiller mode

Phase monitor alarm

Display and delete the alarms log in the memory (ALOG function)

Programming from keypad

Overview of the keypad programming structure and levels.

Access to parameters

Steps to access user level parameters via the keypad.

How to change a parameter value

Use of the hot-key (function UPL)

Programming the board with the hot-key

Hot-key programming

Unit adjustment and control

General section on adjusting and controlling unit operations.

Compressors control

Choice of compressors control type

Proportional control

Compressors rotation

Parameters description-settings

OPERATION AND MAINTENANCE

Maintenance

Access to the unit

Maintenance Schedule

TROUBLESHOOTING

Tank water outlet temperature BTWOT higher than prescribed value.

Troubleshooting steps for high tank water outlet temperature.

Insufficient pressure head (water pressure) at the pump outlet.

The water differential pressure switch FLOW or level sensor alarm trips. Alarm displayed: AEFL.

Addressing alarms related to water differential pressure or level sensor faults.

High pressure switch (HP) trip (iC 215-540 models only) Alarm displayed: b(n)HP.

Troubleshooting high pressure switch trips for iC 215-540 models.

High pressure switch (HP) trip and/or compressor protection trips (iC 640-780 models only) Alarm displayed: b(n)HP.

Troubleshooting high pressure and compressor thermal alarms for iC 640-780 models.

Low pressure switch (LP) trips Alarm displayed: b(n)HP.

Diagnosing low pressure switch trips and related alarms.

Compressor protection trips (iC 215-540 models only). Alarm displayed: C(n)tr.

Troubleshooting compressor protection alarms for iC 215-540 models.

Display blank and all LEDs switched off with main switch P1 set to ON (I).

Alarm displayed: AP1÷AP6.