Table Of Contents - Gardner Denver DGH Series Instruction Manual

Table of Contents

Table Of Contents1
General Safety Information2
Receiving, Moving, Unpacking2
Description3
Dryer Function3
Automatic Purge Saving System3
Description Of Operation – Dryer4
Models 40 To 450 W/ Shuttle Valve4
Models 590 To 5400 W/ Check Valves5
Installation7
Location In The Compressed Air System7
Prefilter7
Aftercooler/Separator7
Minimum & Maximum Operating Conditions8
Maximum Operating Pressure (Mop)8
Minimum Operating Pressures8
Piping8
Initial Desiccant Charge9
Icon Identification9
Top View10
Upper Rear View10
Right Side View10
40-450 Scfm General Arrangement10
Dimensions In Inches11
Dimensions In Millimeters11
590-5400 Scfm General Arrangement12
Controllers – General14
Desiccant Dryer Controllers14
Controller – Level 116
Reference Figures – Level 1 Controller16
Connections – Level 1 Controller16
Connections - Input Power16
Connections – Rs232 / Net Web17
Desiccant Service17
Valve Service17
Jumper J2 – Unused17
Front Panel Overlay – Level 1 Controller18
Front Panel Leds19
Front Panel Switches19
Dryer On / Off Switch19
Percent Energy / Purge Savings Selector Switch19
Fixed Cycle Timing – Level 1 Controller20
Event Sequence And Component Status – Level 1 Controller21
Electrical Schematic – Level 1 Controller22
Jumpers23
Point-To-Point Connection Diagram - Level 1 Controller23
Enclosure Door Exterior24
Panel Layouts - Level 1 Controller24
Enclosure Penetrations - Level 1 Controller26
Controller - Level 227
Reference Figures – Level 2 Controller27
Connections – Level 2 Controller27
Vac Input Power Connections27
Connections – High Humidity Or Dew Point Alarm28
Jumper Jp3 – Outlet Dew Point Sensor28
Jumper Jp4 – Inlet Pressure Sensor28
Jumper Jp1 – Maximum Operating Pressure28
Front Panel Overlay – Level 2 Controller29
Setup Mode31
Setup Mode Screen 2 – Select The Cycle Type32
Thermistor Alarms32
Optional Device Alarm32
Alarm & Service Mode32
Alarm Mode Screen 1 – Left Tower Drying33
Alarm Mode Screen 5 – Left Tower, Upper Sensor33
Service Mode Screen 1 – Service Filters34
Service Mode Screen 2 – Service Desiccant34
Display Mode34
Service Messages34
Test Mode35
Display Mode Screen 3A – Service Reminder35
Display Mode Screen 3B – Service Reminder35
Display Mode Screen 3D – Valve Cycle Counter35
Cycle Sequence Steps36
Fixed Cycle Timing – Level 2 Controller37
Event Sequence And Component Status – Level 2 Controller38
Electrical Schematic – Level 2 Controller39
Point-To-Point Diagram – Level 2 Controller40
Panel Layout – Level 2 Controller42
Enclosure Penetrations – Level 2 Controller44
Operation45
Controller Settings45
Purge Rate Pressure – Models 40 To 45045
Adjusting The Purge Rate45
Purge Rate Pressure – Models 590 To 540046
Alarms46
Purge Pressure Setting46
Tower Status Leds46
Operating Sequence47
Valves – Models 40 Through 45047
Dryer Shut Down47
Loss Of Power47
Ambient Temperatures48
Average Purge Flow48
Minimum Outlet Air Flow48
Average Outlet Air Flow48
Maximum Inlet Flow At Rated Conditions49
Inlet Pressure Correction Factors49
Inlet Temperature Correction Factor49
Maximum Purge Flow Factor49
Average Purge / Repressurization Flow Factors ( 150 And 250 Psig Mops)50
Maintenance51
Desiccant Replacement51
Purge Mufflers51
Pilot Air Filter Element Replacement51
Troubleshooting53
Notes54