If you change the function to Not active,
the counter continues to count. However,
no warning is given when it is time to
replace the bearings. If you change the
function to Active again, the accumulated
running hours are used to recalculate the
replacement time.
9.33 Service intervals
Motor bearing monitoring must be
activated in order for the motor to indicate
that the bearings must be replaced or
relubricated. See the section on motor
bearing monitoring.
For motors of 7.5 kW and below, it is not possible to
relubricate the bearings.
9.33.1 Time to next service (Motor bearing
service)
This display shows when to replace the motor
bearings. The controller monitors the operating
pattern of the motor and calculates the period
between bearing replacements.
Displayable values:
• in 2 years
• in 1 year
• in 6 months
• in 3 months
• in 1 month
• in 1 week
• Now!
9.33.2
Bearing replacements
The display shows the number of bearing
replacements made during the lifetime of the motor.
9.33.3
Bearings replaced (Motor bearing
maintenance)
When the bearing monitoring function is active, a
warning is given when the motor bearings must be
replaced.
1. When you have replaced the motor bearings,
press Bearings replaced.
9.33.4
Bearings relubricated
When the bearing monitoring function is active, a
warning is given when the motor bearings must be
relubricated.
Bearings can be relubricated 5 times
before they must be replaced.
The amount of grease can be found on the
bearing nameplate on the motor.
1. When you have relubricated the bearings, press
Bearings relubricated.
9.34 Communication
Use this function to set the communication of the
product, both wired and wireless communication. The
product contains built-in fieldbus protocols on the AYB
terminals (RS-485).
9.34.1 Pump number
Use this function to allocate a unique number to the
pump. This makes it possible to distinguish between
pumps in connection with GENIbus communication.
9.34.2 Enable/disable radio comm.
Use this function to set the radio communication to
Enabled or Disabled. Select Disabled in areas
where radio communication is not allowed.
Bluetooth communication remains active.
9.34.3 Enable/disable Bluetooth comm.
Use this function to set the Bluetooth communication
to Enabled or Disabled. Select Disabled in areas
where Bluetooth communication is not allowed.
Radio communication remains active.
9.34.4 Initiate Bluetooth connection
Use this function if Grundfos GO is installed
on Huawei smartphones with BLE version 5.0 or
older. This function is used to establish a Bluetooth
connection to Grundfos GO. Open the Grundfos GO
app on your device and select Initiate Bluetooth
connection. Then select Yes and follow the
instructions on the device.
9.34.5
Setup of AYB terminals
9.34.5.1 Protocol selection
Use this function to select which fieldbus protocol that
must be active on the AYB terminals (RS-485).
Select between the following:
• Modbus RTU
• GENIbus.
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