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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 7
Table of Contents
4.3.2.1 Summary Alarm ..................................................................................................................................54
4.3.2.2 Customer Alarms................................................................................................................................54
4.3.2.3 Custom Alarms ...................................................................................................................................54
4.4 Controller Operation....................................................................................................................................................54
4.4.1 Control Signals .................................................................................................................................................55
4.4.4.1 On/Off Digital Control ........................................................................................................................55
4.4.4.2 Proportional/Integral (P/I) Control ......................................................................................................56
4.4.2 Control Methods .............................................................................................................................................56
4.4.2.1 Temperature/RH Control.....................................................................................................................56
4.4.2.2 Dewpoint Control ..............................................................................................................................56
4.4.3 Operating Configurations ................................................................................................................................57
4.4.3.1 Compressor Operation .......................................................................................................................57
4.4.3.2 Water–W/G Operation .......................................................................................................................58
4.4.3.3 Dehumidifying ....................................................................................................................................58
4.4.4 Airlfow/Fan Speed Control ..............................................................................................................................58
4.4.4.1 Independent Fan Speed Control .........................................................................................................59
4.4.4.2 Variance from Average Fan Speed Control .........................................................................................59
4.4.4.3 Temperature Proportionate Speed Control .........................................................................................59
4.4.4.4 Manual Speed Control .......................................................................................................................59
4.4.5 Remote On/Off ...............................................................................................................................................59
4.5 Menu Screens ..............................................................................................................................................................59
4.5.1 Main Menu ......................................................................................................................................................59
4.5.2 Information Menu Loop ..................................................................................................................................61
4.5.2.1 Operating Conditions .........................................................................................................................61
4.5.2.2 Return Temperature Sensor ................................................................................................................ 61
4.5.2.3 Return Humidity Sensor ......................................................................................................................61
4.5.2.4 Temperature Sensors ..........................................................................................................................61
4.5.2.5 Remote Supply Temperature/Humidity Sensor ...................................................................................62
4.5.2.6 Discharge Pressure ..............................................................................................................................62
4.5.2.7 Setpoint Values ...................................................................................................................................62
4.5.2.8 Compressor Status .............................................................................................................................62
4.5.2.9 EEV Status ..........................................................................................................................................62
4.5.2.10 EHGB Status .......................................................................................................................................63
4.5.2.11 Fan Status ...........................................................................................................................................63
4.5.2.12 Group Information Menu Screens ......................................................................................................63
4.5.2.13 Software Version/Date .......................................................................................................................63
4.5.3 Alarm Log ........................................................................................................................................................64
4.5.3.1 Alarms ................................................................................................................................................64
4.5.3.2 Non-Critical Alarms ............................................................................................................................64
4.5.3.3 Critical Alarms ....................................................................................................................................64
4.5.3.4 Alarm Screen Messages .....................................................................................................................65
4.5.4 Control Menu Loop .........................................................................................................................................66
4.5.4.1 Setpoint Screens .................................................................................................................................67
4.5.4.2 Alarm Setpoint Screens ......................................................................................................................68
4.5.4.3 Clock Screen ......................................................................................................................................70
4.5.5 Service Menu Loop ..........................................................................................................................................70
4.5.5.1 Humidity .............................................................................................................................................71
4.5.5.2 Alarms ................................................................................................................................................72
4.5.5.3 Sensors ...............................................................................................................................................73
4.5.5.4 Blower ................................................................................................................................................74
4.5.5.5 Options Menu Loop ...........................................................................................................................75