Curve D-DF Series Instruction, Operation And Maintenance Manual page 5

4.2.2. Connecting the system to the water line.
Connecting the system to the mains water must be performed with the corresponding By-pass (figure
2), either by using the original by-pass or with 3 ball valves installed in the pipeline.
Below is the diagram of the positions of the original by-pass ball valves which come with the system.
BY-PASS POSITION
OUTLET
With the valves in By-pass position, the
water supply won't enter the softener.
Untreated water will be supplied to the
system.
The inlet and outlet of the bypass are indicated by the corresponding arrows.
WARNING: The water supply should be adequate to the flow of water to be treated,
with a pressure between 2.5 and 4Kg/cm². If the pressure is less than 2.5Kg/cm² a
pump system must be installed to ensure the required flow and pressure. If the
pressure is greater than 6Kg/cm² a pressure reducer must be installed.
INTLET
ref: MA-ED-0008-EN-V16.0-MIÑO DESCALCIFICADOR D-DF-M3 & D-UF-M3.pdf
Diagram of the original by-pass positions.
IN SERVICE POSITION
OUTLET
With the valves in the in service position, the
water supply will enter the softener.
Water will be supplied to the system through
the softener.
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Figure 2.
INLET