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3. Depending on the type and function of the sensor, connect the
wires to the following terminals:
Sensor type
Sensor function
Analog
All levels
Dry-running level
Stop level
Digital
Start level, pump 1
Start level, pump 2
High level
Related information
3.6 Configuring the IO terminals using Grundfos GO Remote
2.3.5 Connecting an alarm device
You can connect an alarm device, such as a buzzer or a lamp, to
the output relays Alarm 1 and Alarm 2. The control unit triggers the
alarm device when it detects an alarm or a warning. You can
change the behaviour of the outputs with Grundfos GO Remote
under Relay output 1 and Relay output 2.
You can also set the alarm device to be activated during normal
operation. It will only be deactivated in case of an alarm, a
warning or mains failure. The setting is made in Grundfos GO
Remote.
Go to Settings > IO 242 > Relay output > Function.
Default settings of the terminal blocks
Terminal block
Alarm 1
Alarm 2
1. Depending on the type of the alarm device, connect the wires to
the relevant terminals. Note that all wires must be secured
inside the cabinet using cable ties.
• NO (Normally Open) and C (Common)
• NC (Normally Closed) and C (Common).
2. Tie the wires with cable ties.
Terminals
ADI - 24 V
DI1 - GND
DI2 - GND
DI3 - GND
DI4 - GND
ADI - GND
Default function
All alarms
High level
Max. 2A
Max. 2A
3. Starting up the product
3.1 Connecting to Grundfos GO Remote
Before connecting the product to Grundfos GO Remote, the
Grundfos GO Remote app must be downloaded to your smartphone
or tablet. The app is free of charge and available for iOS and
Android devices.
1. Open Grundfos GO Remote on your device. Make sure that
Bluetooth is enabled.
Your device must be within reach of the product to establish
Bluetooth connection.
2. Press the Bluetooth CONNECT button on Grundfos GO
Remote.
3. Press the connect button on the operating panel. The blue LED
above the connect button is flashing until your device is
connected. Once the connection is established, the LED will be
permanently on.
Grundfos GO Remote is now loading the data for the product.
Related information
3.4 How to enable Bluetooth on the operating panel
3.5 How to disable Bluetooth on the operating panel
3.2 Startup wizard on Grundfos GO Remote
The product is designed for Bluetooth communication with Grundfos
GO Remote.
Once you have connected your product to Grundfos GO Remote, a
startup wizard appears. Follow the instructions to make your
settings.
Grundfos GO Remote enables you to set functions and gives you
access to status overviews, technical product information and
current operating parameters.
3.3 Startup wizard on the operating panel
The first time the control unit is switched on, a startup wizard will
guide you through the basic settings. You can select the sensor
type and sensor levels. For some products, you can also set the
nominal pump current and number of phases.
If you have an analog sensor, select S-1 and set the height of the
different levels, from dry running to high level.
If you have a digital sensor, select S-2 and enable or disable the
dry-running level, the start level for pump 2, if available and the high
level.
To change settings, use the Up and Down buttons on the operating
panel.
Use the OK button to confirm each setting and navigate to the next
setting.
For filling applications, you must use Grundfos GO Remote. Units
can only be changed with Grundfos GO Remote.
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