Instruction book
1.5 Regulating system on SF Multi
SF Multi are provided with an Elektronikon® regulator (Fig. 1.11) to control the compressor.
The following is a short description of the main functions of the regulator. Consult section 8 for a detailed description of all functions.
1.5.1 Controlling the compressor
The Elektronikon regulator keeps the net pressure within programmable limits by starting and stopping the compressor modules, depending on the air consumption. The regulator distributes the running time among the compressor modules, taking into account the availability and number of running hours of each compressor module.
When the compressor has stopped automatically and the net pressure decreases, the regulator will start a compressor module before the net pressure has dropped to the starting pressure to prevent the net pressure from falling under the programmed minimum level.
1.5.2 Protecting the compressor
If one or more compressor modules are shut down due to a protection function a warning message will be shown on the display.
The compressor will be shut down in case temperature switch
Warning
Before carrying out any inspection or repair, stop the compressor, switch off the voltage, open the isolating switch and depressurize the compressor.
After remedying, switch on the voltage and press the key “Reset” (F3).
1.5.3 Monitoring components subject to service
A number of service operations are grouped in plans (called Service plans I, A, B and D). Each Service plan has a programmed time interval. If a time interval is exceeded, a message will appear on the display to warn the operator to carry out the service actions belonging to that plan.
1.5.4 Automatic restart after voltage failure
The regulator has a
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