TABLE OF CONTENTS
1. General Warnings ........................................................................................................................................4
1.1. Positioning and reading the rating plate..........................................................................................5
2. Company History..........................................................................................................................................5
3. Explanation of the systems..........................................................................................................................7
3.1. Refrigeration system ........................................................................................................................7
3.2. Hydraulic system ..............................................................................................................................9
4. Explanation of the electronic card.............................................................................................................10
4.1. Specific electronic card connections..............................................................................................13
4.2. Temperature probes tables............................................................................................................17
5. Installation check list..................................................................................................................................18
6. Routine maintenance.................................................................................................................................20
7. Electronic card operation...........................................................................................................................22
7.1. Main equipment functions.............................................................................................................22
7.2. Operator parameters - set point ....................................................................................................23
7.3. Factory parameters ........................................................................................................................28
8. Interventions on the equipment................................................................................................................32
8.1. Electronic card replacement...........................................................................................................32
8.1.1. Display card replacement.................................................................................................32
8.1.2. Power board replacement................................................................................................34
8.1.3. Fan speed regulation card replacement...........................................................................35
8.2. Temperature probe replacement...................................................................................................36
8.2.1. Core probe........................................................................................................................36
8.2.2. Air probe...........................................................................................................................38
8.2.3. Evaporator probe .............................................................................................................41
8.3. Door adjustment.............................................................................................................................44
8.4. Door gasket replacement ...............................................................................................................46
8.5. Frame resistance / lid replacement................................................................................................47
8.6. Condenser filter panel removal and cleaning.................................................................................51
8.7. Evaporator fan replacement ..........................................................................................................52
8.8. Condenser fan replacement...........................................................................................................56
8.9. Compressor replacement...............................................................................................................59
8.10. Door microswitch replacement......................................................................................................61
8.11. Water filling solenoid valve replacement.......................................................................................62
8.12. Chamber heating elements replacement (cabinets only)..............................................................63
8.13. Chamber humidity inlet nozzle replacement .................................................................................67
9. Software Update........................................................................................................................................68
10. Diagnostics.................................................................................................................................................69
10.1. Card alarms.....................................................................................................................................69
10.2. Malfunctions not managed by alarms............................................................................................80
11. Wiring diagrams.........................................................................................................................................88
12. Service contacts .......................................................................................................................................109
