Grundfos Control MPC-Serie Installationsanleitung Seite 64

Setting via the operating panel
• Settings > Monitoring functions > Pressure relief > Go to
setting of digital output.
1. Select digital output.
2. Select: Pressure relief valve.
3. Press [Back] x 2.
4. Select: Pressure to be monitored
• Select: Outlet pressure, System pressure or External
pressure.
5. Press [Back].
6. Select and set:
• Valve opening pressure
• Band, valve opening pressure.
7. Select: Warning > Disabled or Enabled.
8. Set: Delay. (Only to be set if warning has been enabled).
9. Select: Enabled.
Factory setting
The function is disabled.
8.7.62 Log values (4.4.9)
Fig. 114Log values
Description
Select the values to be logged and the number of samples per
hour. The resulting timespan is shown. When the timespan has
elapsed, old logged values will be deleted and overwritten by the
new ones.
Log values
• Estimated flow rate (only if no flowmeter is installed)
• Speed of pumps
• Process value
• Setpoint
• Power consumption (MPC-E systems)
• Inlet pressure (if an inlet-pressure sensor is installed).
Setting range
Samples per hour: 1-3600.
Setting via the operating panel
• Settings > Monitoring functions > Log values.
1. Set: Samples per hour.
2. Select the values to be logged.
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8.7.63 Fault, primary sensor (4.4.10)
Fig. 115Fault, primary sensor
Description
You can set how the system is to react if the primary sensor fails.
Setting range
• Stop (without delay)
• Stop (with delay)
• Min.
• Max.
• User-defined
• Operating mode "Local"
• Emergency run
• Reset: Manual or Auto.
Setting via the operating panel
• Settings > Monitoring functions > Fault, primary sensor.
1. Select reaction in case of a fault in the primary sensor.
2. Select resetting: Manual or Auto.