Product Manual
Table Of Contents
- Table of contents
- 1 Safety precautions
- 2 General description
- 3 Elektronikon controller
- 3.1 General description
- 3.2 Control panel
- 3.3 Icons used on the display
- 3.4 Main screen
- 3.5 Shut-down warning
- 3.6 Shut-down
- 3.7 Service warning
- 3.8 Scrolling through all screens
- 3.9 Calling up element and dew point temperatures
- 3.10 Digital inputs
- 3.11 Calling up running hours
- 3.12 Calling up motor starts
- 3.13 Calling up module hours
- 3.14 Calling up/resetting the service timer
- 3.15 Selection between Local, Remote or LAN control
- 3.16 Calling up/modifying CAN address control
- 3.17 Calling up/modifying IP, Gateway and Subnetmask
- 3.18 Calling up/modifying pressure band settings
- 3.19 Modifying pressure band selection
- 3.20 Calling up/modifying service timer settings
- 3.21 Calling up/modifying unit of temperature
- 3.22 Calling up/modifying unit of pressure
- 3.23 Automatic restart after voltage failure
- 3.24 Activating password protection
- 3.25 Calling up/modifying protection settings
- 3.26 Test screens
- 3.27 Web server
- 3.28 Programmable settings
- 4 Elektronikon Graphic Controller
- 4.1 General
- 4.2 Control panel
- 4.3 Icons used
- 4.4 Main screen
- 4.5 Calling up menus
- 4.6 Shutdown warning
- 4.7 Shutdown
- 4.8 Inputs menu
- 4.9 Outputs menu
- 4.10 Counters
- 4.11 Control mode selection
- 4.12 Service menu
- 4.13 Setpoint menu
- 4.14 Event history menu
- 4.15 General settings menu
- 4.16 Info menu
- 4.17 Week timer menu
- 4.18 Test menu
- 4.19 User password menu
- 4.20 Web server
- 4.21 Programmable settings
- 5 Installation
- 6 Operation
- 7 Preventive maintenance
- 8 Adjustments and servicing procedures
- 9 Problem solving
- 10 Technical data
- 11 Instructions for use
- 12 Guidelines for inspection
- 13 Pressure equipment directives
- 14 Declaration of conformity
Reference Designation Reference Designation
1 Compressed air inlet 7 Electrical control line
2 Dryer controller 8 Flow restriction
3 Left desiccant tower 9 Check valve
4 Right desiccant tower 10 Selector valve
5 Compressed air outlet 11 Pneumatic silencer
6 Flow line 12 Solenoid valve
The operation cycle of the dryer is repetitive and is controlled by a factory set timer. While the desiccant in
one tower dries the compressed air, the desiccant in the second tower is being regenerated. Regeneration of
the desiccant is achieved by means of purge air from the drying tower.
The compressed air entering the dryer is led to one of the towers by means of the bottom selector valve.
The position of the selector valve depends on the position (activated or not) of the solenoid valves. As the
air flows upwards through the tower, the desiccant adsorbs the water vapor and the compressed air is dried.
When it reaches the top of the tower, the dried air leaves the dryer via the check valve.
A small portion of the dried air passes a nozzle, expands to atmospheric pressure and flows downwards
through the other tower, regenerating (drying) the desiccant. The size of the nozzle depends on the
operating pressure. Alternative nozzles for use at other operating pressures are available. Please consult the
spare parts list for ordering information. The regeneration air is released via the corresponding solenoid
valve and a silencer. The solenoid valves are controlled by the timer.
After a preset time interval, the function of the towers is reversed. The fully regenerated tower will now dry
the air, while the desiccant in the other tower will be regenerated.
When the compressor stops, the drying cycle stops as well: purge air flow stops, both solenoid valves are
closed. When the compressor restarts, the drying cycle will resume where it was stopped.
Control panel
Reference Designation Reference Designation
1 LED <Power On> 7 Air outlet
2 LED <Right tower drying> 8 Inlet selector valve
Instruction book
2920 7110 21 23