Sullair SRL-250 - Page 3

SRL Service Manual
Revision 00
July 2007
Page 2 of 56
4. Control System 22
4.1 Power Supply 22
4.3 Microprocessor Controls 22
4.2.1 Inputs 23
4.2.2 Outputs 23
4.2.3 Electrical Specifications 24
4.2.4 User Interface 24
4.2.4.1 Lights 25
4.2.4.2 Buttons 26
5. Installation 27
6. Start Up 29
7. Operation & Control 30
7.1 Turning the Dryer On or Off 30
7.2 User Parameter List 31
7.3 Accessing & Modifying User Parameters 32
8. Dryer Operating Modes 33
8.1 Continuous Mode 33
8.2 Cycling Mode 34
9. Condensate Drain Operation 35
9.1 SRL-250 35
9.2 SRL-325 to 6000 35
9.3 Drain Operating Mode (Parameter D3) 37
9.4 Manual Drain Activation 37
10. Alarms & Warnings 38
10.1 Alarm & Warning List 38
10.2 Troubleshooting Alarms & Warnings 39
10.2.1 HP - High Pressure (Alarm) 39
10.2.2 LP - Low Pressure (Alarm) 40
10.2.3 Ld - Low Dewpoint (Alarm) 41
10.2.4 Ht – High (Discharge) Temperature (Alarm) 42
10.2.5 Lt - Low (Evaporator) Temperature (Alarm) 43
10.2.6 CP – Compressor Protection (Alarm) 44
10.2.7 PdE – Parameter Data Error (Alarm) 44
10.2.8 Hd - High Dewpoint (Warning) 45
10.2.9 drE - Drain Error (Warning) 46
10.2.10 dSE - Dewpoint Sensor Error (Warning) 47
10.2.11 rSE – Evaporator Temperature Sensor Error (Warning) 47
10.2.12 Sr - Service Required (Warning) 48
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