9.3 Setting of the pump in Grundfos GO
Once the pump is connected to Grundfos GO, you can choose
between Use default settings and Start setup. We recommend
selecting Start setup which leads you to the guided setup.
By answering a few simple questions, the guided setup will
help you select the optimal control mode and setpoint for the
system, which reduces energy consumption and helps prevent
potential noise problems.
If you select Use default settings, the pump uses the factory
setting, proportional pressure, AUTOADAPT.
9.4 Air detection and system venting
The product offers a Continuous air detection and venting
feature which means the pump can detect air and push it quickly to
the air removal device.
If the pump detects air, it runs a venting sequence which enables
more air to escape compared to letting the pump run at maximum
speed during the entire process.
During system venting, the air is pushed to the system vent.
The function can be enabled in Grundfos GO in the Settings menu.
During the guided setup, you are asked if you want to vent the
pump and system now. This is a one time event and will not
permanently enable this function. .
9.5 Flow limitation
You can set a minimum and maximum flow rate in Grundfos GO.
A minimum flow limit can be set to prevent the boiler from
overheating. A maximum flow limit can be set to prevent noise in
the system.
9.6 Night setback
This product offers a night setback function, which can only
be activated via Grundfos GO in the Settings menu. When
automatic night setback is enabled, the pump automatically
switches between normal operation and the automatic night setback
curve and reduces energy consumption.
The night setback function is available in all control
modes.
The pump switches to automatic night setback when a flow-pipe
temperature drop of more than 10 to 15 °C within approximately
two hours is registered. The temperature drop must be at least 0.1
°C/min. Changeover to normal operation takes place without a time
lag when the flow-pipe temperature has increased by approximately
10 °C. You do not have to re-enable automatic night setback if the
power supply has been switched off.
If there is insufficient heat in the heating system, check whether
night setback has been enabled. If yes, disable the function.
1. Connect the pump to Grundfos GO.
2. Press the gear icon in the top right side of the screen.
3. Go the Night setback menu.
4. Enable night setback.
Do not use night setback when the pump is installed in the
return pipe of the heating system.
9.7 Trend data
In the Trend data menu in Grundfos GO, you can see system
data for the last 10 or 100 on-cycles. An on-cycle is the period
from when the pump turns on until it turns off. If the pump runs
continuously for more than 24 hours, one on-cycle is regisrered and
a new on-cycle will start even though the pump has not yes turned
off.
You can see the following data:
• Duration of each on-cycle
• Flow
• Head
• Estimated media temperature.
You can use the trend data for system optimization and fault finding.
9.8 Updating the software
Follow the steps below to update the product’s software via
Grundfos GO:
1. Make sure your smart device has sufficient power.
2. Make sure your smart device is connected to the internet.
If there is no internet where the pump is installed, go to step 3
and then follow the instructions in Grundfos GO.
3. Connect your product to Grundfos GO if it is not already
connected.
The app automatically checks if the product has the latest
software installed. If a newer version is available, the text New
software available appears on the dashboard in Grundfos GO.
You can also check for software updates in the Settings menu.
4. Follow the guide in Grundfos GO to install the software update.
9.9 Resetting to factory settings
The product can be reset to factory settings in two ways:
• Via Grundfos GO
1. Open Grundfos GO.
2. Press the gear icon in the top right side of the screen.
3. Go to the Reset user settings menu and press Reset.
• Via the operating panel
1. Press and hold the Selection button for 5 seconds.
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