4. Elektronikon® graphic controller
4.1. Introduction
The controller automatically changes the motor speed to keep the pressure in
programmable limits.
The functions of the controller are as follows:
▪ to control the pump
▪ to protect the pump
▪ to monitor the components and their service life
▪ ARAVF (not in operation).
Automatic control of the pump operation
The controller automatically changes the motor speed to keep the pressure in
programmable limits.
The pump has different programmable settings. For example:
▪ the set point
▪ the minimum stop time
▪ the maximum number of motor starts.
All the different programmable settings are used for the operation of the pump.
The controller:
▪ stops or decreases the speed of the pump to decrease the power
consumption
▪ restarts the pump automatically when the pressure decreases.
The high water
‑handling‑capability pumps have a purge cycle. The purge cycle
stops and removes condensed water from the sealing oil.
Note:
A number of time‑based automatic start/stop command can be programmed. A
start command will be executed (if programmed and activated), even after
manually stopping the pump.
Protect the pump
Shutdown
The pump has sensors to detect the pump performance parameters. If any
parameter is more than the programmed shutdown limit, the pump will stop. A
fault code will be shown on the display and a general alarm LED flashes. T
o
restart the pump you must correct the fault and reset the fault code. Refer to
Inputs menu on page 37.
Shutdown warning
A shutdown warning limit is a programmable limit below the shutdown limit.
Elektronikon® graphic controller
07/2021 - ©Atlas CopcoPage 281950840208_A
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