CONTENTS
General features . . . . . 1
Models available . . . . . 1
Main features of the Infrared Series . . . . 2
Front panel and buttons . . . . . 4
LED display - Indicators . . . . . 4
Keypad . . . . . 5
Installation . . . . . 6
Standard configuration . . . . . 6
Cautions . . . . . 7
Selection of the main working parameters - Other important parameters . . . 8
List of the working parameters to be checked before starting the unit . . . 9
How to modify the working parameters . . . . 10
Gaining access - How to modify the parameters . . . . 10
How to exit the procedure - How to exit the procedure without memorizing the modified data . . 10
Reset procedure . . . . . 11
Remote control unit . . . . . 12
Technical specifications - Keypad description . . . . 12
Buttons used to activate/deactivate the use of the remote control unit . . . 12
Buttons used to modify the main parameters (directly accessible buttons) . . . 13
Buttons for the remote control of the IR instruments . . . . 13
How to use the remote control unit . . . . 13
Access without code . . . . . 13
Access with code . . . . . 14
Further information . . . . . 15
Configuration parameters - The password . . . . 15
/ = parameters for the management of the temperature sensors . . . 16
r = parameters for the temperature regulation . . . . 18
c = parameters for the compressor management . . . . 19
d = parameters for the defrost management . . . . 21
A = parameters for the alarm control . . . . 24
F = parameters for controlling evaporator fans . . . . 28
Summary diagram of the evaporator fan operation . . . . 29
Notes for the new release . . . . . 31
Wiring diagrams . . . . . 34
Wiring diagram for multiple units - IR32 panel mounting connections . . . 34
Operating states of the equipment . . . . 38
Sequence of main phases . . . . . 38
Alarms and troubleshooting . . . . . 39
What to do if the IR32S, IRDRSE/S0 fails to work . . . . 41
What to do if the IR32Y fails to work . . . . 41
What to do if the IR32P or IR32C, IRDRC fails to work . . . 43
Technical characteristics . . . . . 44
Temperature/resistance ratios for NTC thermistors. . . . 48
IR32 dimensions . . . . . 50
Code numbers for ordering controls and accessories . . . 51
IR96: microprocessor-based freezer controller . . . . 53
New functions . . . . . 53
Technical features -- Connections . . . . 55
Ir96: keys functioning . . . . . 56
Functioning . . . . . 56
IR96: parameters . . . . . 58
Parameters modification . . . . . 58
New-set values memorisation . . . . . 58
List of parameters . . . . . 59
Description of particular parameters and performances . . . 61
Memorisation of minimum/maximum temperature . . . . 61
Functioning of the relay 4 . . . . . 61
Type of sensor - Digital Inputs Configuration . . . . 61
IR96: alarms . . . . . 62
Dimensions . . . . . 62
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