UNIT IDENTIFICATION........................................................................... 4
INSTRUCTIONS FOR THE USER ............................................................... 5
COMMON CAUSES OF SHUTDOWN ...........................................................................................................................7
GENERAL WARNINGS ............................................................................ 8
RESIDUAL RISKS ................................................................................. 9
RECEPTION........................................................................................12
INSPECTION UPON RECEPTION...............................................................................................................................12
STORAGE ....................................................................................................................................................................12
HANDLING ...................................................................................................................................................................12
POSITIONING .....................................................................................13
GENERAL.....................................................................................................................................................................13
FUNCTIONAL CLEARANCES......................................................................................................................................13
POSITIONING ..............................................................................................................................................................13
WATER CONNECTIONS .........................................................................14
GENERAL.....................................................................................................................................................................14
EXCHANGER USE SIDE .............................................................................................................................................14
DIAGRAM OF RECOMMENDED USE SIDE CONNECTION.......................................................................................15
USE SCHEMA ..............................................................................................................................................................15
RECOMMENDED SOURCE SIDE CONNECTION SCHEMA ......................................................................................15
SYSTEM MEASURES ON SOURCE SIDE ..................................................................................................................16
ELECTRICAL CONNECTION ...................................................................18
GENERAL.....................................................................................................................................................................18
STANDARD UNIT ELECTRICAL DATA .......................................................................................................................18
CONNECTION TO THE MAINS ...................................................................................................................................19
SYSTEM COMPOSITION.............................................................................................................................................19
FUNCTIONAL CONNECTIONS....................................................................................................................................20
START-UP..........................................................................................28
PRELIMINARY CHECKS..............................................................................................................................................28
REFRIGERANT SYSTEM ............................................................................................................................................28
WATER SYSTEM .........................................................................................................................................................28
ELECTRICAL SYSTEM ................................................................................................................................................28
VERIFy tensions – absorptions.....................................................................................................................................29
UNIT EQUIPPED WITH SCROLL COMPRESSORS ...................................................................................................29
REMOTE INPUT CONFIGURATIONS .........................................................................................................................29
SETTING THE SET-POINT ..........................................................................................................................................29
EVAPORATOR WATER FLOW RATE .........................................................................................................................29
CONDENSER WATER FLOW RATE ...........................................................................................................................29
REFRIGERANT CIRCUIT PARAMETER CHECK ........................................................................................................29
CONTROL ..........................................................................................30
OPERING MODES .......................................................................................................................................................30
SET POINT...................................................................................................................................................................31
USER KEYPAD ............................................................................................................................................................33
REMOTE OR SERVICE KEYPAD (OPTIONALS) ........................................................................................................34
ROUTINE MAINTENANCE.......................................................................38
MAINTENANCE INSPECTIONS...................................................................................................................................38
97/23 CE PED directive ................................................................................................................................................39
PUT AT REST...............................................................................................................................................................39
REFRIGERANT TABLES .............................................................................................................................................39
TROUBLESHOOTING ............................................................................42
DECOMMISSIONING OF THE UNIT ...........................................................44
DISCONNECTING THE UNIT ......................................................................................................................................44
DISMANTLING AND DISPOSAL ..................................................................................................................................44
TECHNICAL DATA................................................................................45
DIMENSIONs................................................................................................................................................................48
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