ICS iC 525 User Manual

OPERATING AND MAINTENANCE MANUAL
- Table of Contents
iC 215 ÷ iC 780
5
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited
EN
ENGLISH
7.14.1 Compressors control ..........................................................................................................46
7.14.2 Choice of compressors control type ...................................................................................46
7.14.3 Proportional control ..........................................................................................................46
7.14.4 Compressors proportional control diagram ......................................................................47
7.14.5 Neutral zone control (factory setting) ................................................................................47
7.14.6 Compressors rotation ........................................................................................................47
7.14.7 Forced compressors rotation .............................................................................................47
7.14.8 Compressors starting time limitation ................................................................................48
7.15 Unloading function..........................................................................................................48
7.16 Anti-freeze heaters .......................................................................................................... 48
7.17 Fans control .....................................................................................................................48
7.17.1 Units configured with “STEP” fans ..................................................................................48
7.17.2 Units configured with fan speed control ............................................................................49
7.17.3 Fan control diagrams ........................................................................................................49
7.18 Hydraulic unit..................................................................................................................49
7.19 Anti-freeze pump management (if ambient probe is installed)....................................... 50
7.20 ModBus ...........................................................................................................................50
7.21 Automatic restart .............................................................................................................50
7.22 Parameters description-settings....................................................................................... 50
7.22.1 Description of parameters .................................................................................................50
7.22.2 Parameters setting .............................................................................................................54
7.22.3 Parameters dependent on remote terminal kit ...................................................................55
Chapter 8
OTHER COMPONENTS.......................................................................................................................56
8.1 Compressor motor protection.......................................................................................... 56
8.2 Refrigerant high and low pressure switches....................................................................56
8.3 Fan pressure switches (Models iC 215÷540) .................................................................. 56
8.4 Electronic thermostatic valve (optional) ......................................................................... 57
8.5 Pressure transducers ........................................................................................................57
8.6 Level sensor.....................................................................................................................58
Chapter 9
OPERATION AND MAINTENANCE......................................................................................................59
9.1 Operation.........................................................................................................................59
9.2 Maintenance ...................................................................................................................59
9.3 Access to the unit ............................................................................................................ 59
9.4 Draining the process water circuit...................................................................................60
9.5 Maintenance Schedule.....................................................................................................61
Chapter 10
TROUBLESHOOTING..........................................................................................................................62
Chapter 11
RISK ANALYSIS: RESIDUAL RISK......................................................................................................68

ICS iC 525 Specifications

General

Brand	ICS
Model	iC 525
Category	Chiller
Language	English