Grundfos Control DDD Montage- Und Betriebsanleitung Seite 57

8.7.59 Fault, primary sensor (4.4.10)
Fig. 113 Fault, primary sensor
Description
You can set how the system reacts if the primary sensor fails.
Setting range
• Stop (without delay)
• Stop (with delay)
• User-defined
• Operating mode "Local"
• Emergency run
• Reset: Manual or Auto.
Setting via operating panel
• Settings > Monitoring functions > Fault, primary sensor.
1. Select reaction in case of a fault in the primary sensor.
2. Select resetting: Auto or Manual.
8.7.60 Night flow monitoring (4.4.11)
Fig. 114 Night flow monitoring
Description
You can set the system to monitor the flow at night (default
setting is between 2:00 AM and 4:00 AM). This will help detect
leakages as the flow rate during this period is normally stable. If
the flow rate exceeds the warning limit, a warning is given.
Setting range
• Enabled.
• Warning limit.
• Warning reset: Auto or Manual.
• Monitoring period.
Setting via operating panel
• Settings > Monitoring functions > Night flow monitoring.
1. Select: Enabled.
2. Set warning limit.
3. Select resetting: Auto or Manual.
4. Set the period.
Factory setting
The function is disabled. The period is set to 2:00 AM to 4:00 AM.
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