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Grundfos PM Rain User Manual

Grundfos PM Rain
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English (GB)
11
8.2.3 Resetting of dry-running warning
Manual resetting
If a dry-running warning has been activated, the
pump can be restarted manually by pressing [Reset].
If the unit detects no pressure and no flow within
40 seconds after restarting, the dry-running warning
is re-activated.
Auto-reset
When the auto-reset function is enabled, the pump
will be restarted automatically after 24 hours in
warning condition. If, after restarting, the pump has
not been primed within 3 minutes of operation, the
dry-running warning will reappear. The auto-reset
function will attempt to restart the pump after
24 hours. This will be repeated for five days, and if
rainwater is still not available, there will be one week
between the restarting attempts.
8.2.4 Power supply failure
In case of a power supply failure, the pump restarts
automatically when power returns and runs for at
least 10 seconds.
9. Frost protection
If the unit is subjected to frost in periods of inactivity,
the unit and the piping system should be drained
before the unit is taken out of operation.
Note
The unit has no built-in draining
options.

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Grundfos PM Rain Specifications

General IconGeneral
BrandGrundfos
ModelPM Rain
CategorySwitch
LanguageEnglish

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