OPERATING AND MAINTENANCE MANUAL
- Table of Contents
iC 215 ÷ iC 780
4
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
ENGLISH
EN
5.5 Expansion vessel.............................................................................................................26
5.6 Electrical connections ..................................................................................................... 27
5.7 Phase Monitor ................................................................................................................. 28
Chapter 6
STARTING..........................................................................................................................................29
Chapter 7
ELECTRONIC CONTROLLER .............................................................................................................31
7.1 User interface.................................................................................................................. 31
7.2 Function of buttons ......................................................................................................... 31
7.2.1 Function of combined buttons ...........................................................................................32
7.3 Remote terminal..............................................................................................................32
7.4 Probes key....................................................................................................................... 32
7.5 Unit start/stop.................................................................................................................. 33
7.5.1 Start from the keypad ........................................................................................................ 33
7.5.2 Start from a digital input ................................................................................................... 33
7.6 Setpoint ........................................................................................................................... 33
7.6.1 Display the setpoint ...........................................................................................................33
7.6.2 Change the setpoint ...........................................................................................................33
7.7 Dynamic setpoint function (with anti-freeze heater only) .............................................. 34
7.8 How to display the internal values of a circuit ............................................................... 35
7.9 Functions menu button “Menu”...................................................................................... 35
7.9.1 CrEn - Enable or disable the single circuit ....................................................................... 35
7.9.2 COEn - Enable or disable the single compressor ............................................................. 36
7.9.3 COSn - Display and reset the number of compressor starts .............................................36
7.9.4 Hour - Display and reset the running hours of the loads .................................................. 36
7.9.5 Cond - Display of percentage / number of condensing steps ............................................37
7.10 uS - Tank heater probe display ....................................................................................... 37
7.11 Alarms............................................................................................................................. 37
7.11.1 Alarms display and reset (ALrM function) ........................................................................37
7.11.2 How to mute the buzzer .....................................................................................................38
7.11.3 General alarms list ............................................................................................................38
7.11.4 Indications table ................................................................................................................39
7.11.5 Probe faulty ....................................................................................................................... 39
7.11.6 High pressure switch alarm .............................................................................................. 39
7.11.7 High pressure switch alarm and/or compressor thermal alarm ....................................... 40
7.11.8 Low pressure switch alarm ................................................................................................40
7.11.9 High pressure ....................................................................................................................40
7.11.10 Low pressure .....................................................................................................................40
7.11.11 Anti-freeze alarm ...............................................................................................................40
7.11.12 Chiller mode anti-freeze alarm ......................................................................................... 41
7.11.13 Water differential pressure switch alarm ..........................................................................41
7.11.14 Compressors thermal alarm .............................................................................................. 41
7.11.15 Fan thermal alarm .............................................................................................................42
7.11.16High condensing pressure unloading indication in chiller mode .....................................42
7.11.17High condensing pressure recovery disabling indication in chiller mode ........................42
7.11.18Evaporator inlet high water temperature unloading indication ....................................... 42
7.11.19Evaporator water pump group thermal alarm .................................................................. 42
7.11.20 Phase monitor alarm .........................................................................................................43
7.11.21Compressors maintenance alarm ...................................................................................... 43
7.11.22 Pumps maintenance alarm ................................................................................................ 43
7.11.23 EEprom alarm ................................................................................................................... 43
7.11.24 Remote terminal alarm ......................................................................................................43
7.11.25 Remote terminal alarm ......................................................................................................44
7.11.26 Alarm relay / open - collector / buzzer notes .................................................................... 44
7.11.27Display and delete the alarms log in the memory (ALOG function) ................................. 44
7.12 Programming from keypad ............................................................................................. 44
7.12.1 Access to parameters .........................................................................................................45
7.12.2 How to change a parameter value .................................................................................... 46
7.13 Use of the hot-key (function UPL) ................................................................................. 46
7.13.1 Programming the board with the hot-key ..........................................................................46
7.13.2 Hot-key programming .......................................................................................................46
7.14 Unit adjustment and control............................................................................................ 46
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