1. Go to Settings > Level control > High level.
2. Set the high level.
For digital sensors:
1. Go to Settings > LC 231 IO terminals
2. Select which terminal to configure.
6.5.2 Setting the high level with the operating panel
The settings apply to analog sensors
1. Press and hold OK until the display starts flashing.
2. Press OK four times. The current high level is indicated on the display.
3. Set the high level using the Up and Down button.
For digital sensors, enable or disable the setting.
1. Press OK once to complete the setting.
6.6 Stop delay
The stop delay is the time from when the stop level is reached until the pump stops. The stop delay prevents the pump from starting and
stopping too frequently and reduces water hammer in long pipes.
6.6.1 Setting the stop delay with Grundfos GO Remote
1. Select Settings > Level control > Stop delay > State
2. Select Stop delay time.
3. Set the Stop delay time.
6.7 Power-on delay
With this function it is possible to delay the startup of the pump after the power supply has been switched on. The purpose is to avoid
disturbing the main power network which could happen if several pumps start up immediately when the power supply is switched on.
6.7.1 Setting the power-on delay with Grundfos GO Remote
1. Go to Settings > Power-on delay.
2. Set the function to Enabled.
3. Set the time delay.
6.8 Dry-running protection
If the pump is running and the liquid level in the tank or pit becomes lower than the dry-running level, the dry-running protection will stop the
pump to ensure that it is not damaged.
Dry-running protection is dependent on a feedback signal from a level sensor installed in the tank or pit.
6.8.1 Setting the dry-running level with Grundfos GO Remote
1. Go to Settings > Level control > Dry-running level.
2. Set the dry-running level.
The dry-running level must be set to a value which ensures that the pump is not damaged due to dry-running. The specific level
depends on the installed pump type. See the installation and operating instructions for the product.
6.8.2 Setting the dry-running level with the operating panel
1. Press and hold OK until the display starts flashing.
2. Set the dry-running level using the Up or Down button.
3. Continuously press OK to confirm all other settings and to exit the setup.
6.9 "Multipump settings"
The control unit enables start and stop of the two pumps alternately. The pump with the lowest number of running hours is always started first.
The function ensures that the running hours of the pumps are the same.
It is possible to set a time delay before the next pump is started.
6.9.1 Setting "multipump settings" with Grundfos GO Remote
1. Go to Settings > Multi pump settings
2. Set Inter pump delay.
This is the starting delay between the pumps ensuring that they do not start at the same time.
3. Set Max number of running pumps.
This is the maximum number of pumps which are allowed to run at the same time.
6.10 Using the same level switch for the start and stop level
1. Set one digital input to Start pump 1 or Stop. All other digital inputs must be disabled.
2. Set a stop delay.
This will prevent the pump from starting and stopping too frequently.
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