Tornatech GLU, Installation And Maintenance Manual, Page: 23 / 61

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- Fail to start: Activates if there is and under-current draw of two phases when the motor should be running. A 20
seconds factory set delay is used to give the motor enough time to start before signalling this alarm.
- Transfer Switch Trouble**: Activates upon detection of any of the following incoherent transfer switch data:
The alternate position and normal position limit switches are both activated. None of the alternate position or the
normal position limit switches is activated after a factory programmed delay. The voltage reading on the load side of
the motor contactor does not match the one of the reported input power position after a factory programmed delay.
- Service Required: Activates when service is due for the controller. This occurs when the date set in the service
page has passed or if no service has ever been done.
- Undercurrent: Activates when current is under 30% of FLA and motor has been running for 15 seconds.
- Overcurrent: Activates when current is above 120% of FLA.
- Under voltage: Activates when normal power voltage is below 80% of nominal voltage.
- Over voltage: Activates when normal power voltage is above 120% of nominal voltage.
- Phase Unbalanced: Activates when there is a difference of more than 30% of nominal voltage between the normal
power voltage readings.
- Ground Fault: Activates when the ground fault input current is above the factory set value after a factory set delay.
- PT Fault Detected: If an optional dual pressure sensor is installed, it will be activated if the two pressure
transducers show different readings. Further investigation is advised to determine what caused the different
readings. Note that the controller will always choose the lowest pressure reading to determine the actual system
pressure.
- Overpressure: Activates if the analog readout of the discharge pressure goes higher than the overpressure set
point in the discharge pressure sensor page.
-
Underpressure: Activates if the analog readout of the discharge pressure goes lower than the “Under Pressure”
set point in the discharge pressure sensor page.
- Low Suction Pressure: Activates if the analog readout of the suction pressure is enabled and goes lower than the
low suction pressure set point in the suction pressure sensor page.
- Force start on flow: Activates if an external contact triggers flow switch input or if the analog readout of the flow is
enabled and goes higher than the “force start on flow set point” in the flow sensor page.
- Low Spare Temperature: Activates if the analog readout of the spare temperature input is enabled and is lower
than the low spare temperature set point in the “Spare temperature” sensor page.
- Alternate CB Tripped/Opened**: Activates when the ACB is either tripped or opened.
-
Water Reservoir Low: Activates if the “Water Reservoir Low” contact input is triggered or if the analog readout of
the water reservoir is enabled and is lower than the water reservoir low set point in the “Water Level” sensor page.
-
Water Reservoir Empty: Activates if an external contact triggers the optional “Water Reservoir Empty” input.
-
High Water Level: Activates if the optional “High Water Level” contact input is triggered or if the analog readout of
the water level is enabled and goes higher than the “High Water Level” set point in the “Water Level” sensor page.
- Io_expX-inX alarm: Activates if the specific expansion programmable input on the specific expansion board is
activated and triggered.
- High Motor Temperature: Activates when the optional high motor temperature contact is activated.