CONTENTS
INTRODUCTION ……………………………………………………………………………………………………………30
1.
GENERAL CHARACTERISTICS...................................................................................................................................8
1.1 Models available...................................................................................................................................................................................8
1.1.1 PJ32S................................................................................................................................................................................................8
1.1.2 PJ32Y - PJ32X .................................................................................................................................................................................8
1.1.3 PJ32C ...............................................................................................................................................................................................8
1.2 Characteristics.......................................................................................................................................................................................9
2. HARDWARE STRUCTURE ..........................................................................................................................................10
2.1 Meaning of the inputs and outputs......................................................................................................................................................10
2.2 Instrument and accessory codes..........................................................................................................................................................11
2.2.1 Codes for the instruments in individual packaging.........................................................................................................................11
2.2.2 NTC and PTC probes .....................................................................................................................................................................12
2.2.3 Accessories.....................................................................................................................................................................................12
2.3 User interface, meaning of operating indicators and LED display .....................................................................................................13
2.3.1 Using the keypad............................................................................................................................................................................13
3. INSTALLATION..............................................................................................................................................................14
3.1 Mechanical installation.......................................................................................................................................................................14
3.2 Electrical connections.........................................................................................................................................................................14
3.2.1 Power supply..................................................................................................................................................................................14
3.2.2 Special warnings.............................................................................................................................................................................15
3.2.3 General warnings – installation and connection environments.......................................................................................................15
3.2.4 Electrical connections, PJ32...........................................................................................................................................................17
3.3 Setting the main operating parameters................................................................................................................................................18
3.4 Table summarising the parameters to be checked before installation.................................................................................................19
4. PARAMETERS - DESCRIPTION .................................................................................................................................20
4.1 The configuration parameters.............................................................................................................................................................20
4.2 Classification of the parameters..........................................................................................................................................................20
4.3 The password PS.................................................................................................................................................................................20
4.4 / = temperature probe management parameters ..................................................................................................................................20
4.5 r = temperature control parameters.....................................................................................................................................................21
4.6 c = compressor management parameters ............................................................................................................................................22
4.7 d = defrost management parameters ...................................................................................................................................................24
4.8 A = alarm management parameters ....................................................................................................................................................26
4.9 F = evaporator fan management parameters.......................................................................................................................................29
4.10 H = other settings................................................................................................................................................................................31
5. OPERATING STATES....................................................................................................................................................32
6. PARAMETERS - MODIFICATION..............................................................................................................................33
6.1 Modifying the set point and differential .............................................................................................................................................33
6.2 Accessing the parameters....................................................................................................................................................................33
6.3 Modifying the parameters...................................................................................................................................................................34
6.4 Saving the new values assigned to the parameters and exiting...........................................................................................................34
6.5 Exiting the procedure without modifying the parameters...................................................................................................................34
6.6 Parameters – summary table...............................................................................................................................................................34
7. ALARMS, TROUBLESHOOTING................................................................................................................................36
7.1 Anomalous or special operating conditions........................................................................................................................................36
7.2 Description of the main signals and alarms ........................................................................................................................................36
7.3 Data error............................................................................................................................................................................................37
7.3.1 Loading the default parameters ......................................................................................................................................................37
7.4 Troubleshooting..................................................................................................................................................................................38