10
8024019/AE00/V1-0/2019-02| SICK
A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH
Subject to change without notice
2
PRODUCT DESCRIPTION
2.2.4
Water valves and ball valve
The water valves and the ball valve can be operated in the corresponding SOPAS ET menu
to check that they are functioning correctly.
Fig. 5: Ball valve
2.2.5
Water connection provided by operator
The operator is responsible for providing the purging water up to the water connection of
the FWE200DH WBP. A water connection with ¼ inch thread on the 90° bend of the
pressure reducer serves as interface between the purging water connection provided by
the operator and the device. Observe local regulations when connecting to the drinking
water network. Prescribed non-return devices or similar must be provided by the operator
on site. It is recommended to lay a flexible connecting line to the system so that vibrations
do not cause damage. Observe requirements for frost protection of the connection line.
2.2.6
Water connections on WBP swirl chamber cover
Check the proper water flow into the swirl chamber after maintenance work (cleaning).
Feed the water so that no splash residues are distributed in the swirl chamber and all the
water always flows into the respective purging branch.
Lock for manual
operation
Rotary grip for manual
operation
NOTE:
Observe relevant national regulations for handling drinking water. Take suitable
measures to prevent a return feed into the drinking water network.
NOTE:
The operator must take suitable measures to avoid freezing of the flushing water
provided up to the defined interface. The water temperature must be kept above
freezing point up to the feed point.
NOTE:
The purging water provided must have a temperature below 60 °C and be free from
limescale and suspended particles, and the water pre-filtered when necessary.
CAUTION:
Observe the prescribed water pressure of the water supply of 3…10 barg. The water
pressure after the pressure regulator should be 2…6 barg
,
otherwise the device could be
damaged.
