Xylem GHV - Manual (Page 15)

b) Set the new value on the control panel of one of the converters, the setting will be modified automati-
cally on the other converter as well.
7. Maintenance
Electric Pump Maintenance
See the electric pump instructions manual.
Electric Panel and Converter Maintenance
The electric panels and converters do not require any maintenance.
Membrane Tank Maintenance
See the tank instructions manual, check the precharge at least once a year.
8. Components List
Ref Component Qty
1 Electric panel 1
2 Suction on-off-valve n
3 Delivery on-off valve n
4 Tank connection n
5 Delivery manifold 1
6 Suction manifold 1
7 Check valve n
8 Electric pump n
9 Converter (GHV, GHC) n
In the GVF, GVE assemblies, the inverter is inside the
electrical panel.
n= total number of electric pumps in the set.
The check valve may be located on the delivery or suction side, depending on the type of set; the electric
pump may be vertical or horizontal type. The tank is not included in the supply.
Connections may be threaded or flanged depending on the model of set. The frequency converter may
be mounted on the pump or the panel depending on the model of set.
9. Repair- Spare Parts
Repairs must be made by qualified personnel using original spare parts.
10.Troubleshooting
The maintenance and repair operations must be performed by qualified personnel.
Before servicing the set, disconnect the power supply and make sure there is no pressure in the
hydraulic components.
The frequency converter memorizes the last alarms triggered. Refer to the frequency converter operating
instructions for the types of malfunctions and directions on how to view the last alarms triggered.
WARNING
15
en