Xylem FLYGT Concertor, Installation, Operation And Maintenance Manual

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WARNING: Crush Hazard
Never put your hand into the pump housing.
2. Turn on the power supply for the system.
Make sure that the external controller, the gateways, and the pump receive power.
The pump runs at preset values.
For more information about the operation of the system, see the System Installation and
Operation Manual.
6.3 Alarm handling
6.3.1 Alarms and messages
The alarms are divided into two categories:
• Application specific alarms
• Gateway alarms
Active alarms are visible in the HMI and in the alarm register accessible through the
fieldbus with Modbus RTU protocol.
6.3.2 Service in case of alarm
Before any action is taken, always use the Dirigo
™
Service Tool application, or a
gateway together with an HMI, to analyze the alarms.
Alarm source Action
FLS leakage sensor 1. Check for liquid in the stator housing.
2. If any, drain all the liquid.
3. If liquid was found, check the mechanical seal unit, the O-rings, and the cable
entry.
Thermal sensors
Thermal contacts, for Ex-
approved versions
– Check the cooling effect of the surrounding environment.
– If applicable, then check the start and stop levels.
– For T and Z installations, check that the cooling jacket has the recommended
material.
The overload protection Check that the impeller can rotate freely.
6 Operation
34 6020.180/090 Installation, Operation, and Maintenance Manual