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Last change 10/2018 E-P | Subject to technical modifications
3. Excess residual hardness
If an assembly mount including blending valve is installed, that must initially be controlled and
adjusted.
No. Inspection
Result
Action
1.
Open soft water sample valve and
control residual hardness
Residual hardness < 5.0
ppm
(CaCO
3
)
Proceed with 6
Residual hardness > 5.0
ppm
(CaCO
3
)
Proceed with 2
2.
Check salt storage; the water
level must at least be covered
with salt
Too low salt storage
Refill salt
Salt storage sufficient
Proceed with 3
3.
Activate regeneration and check
whether or not brine is drawn in
Brine is drawn in
Proceed with 4
Brine is not drawn in
Proceed with 5
4.
Measure mains water hardness
and calculate attainable soft water
quantity and check with setting
Incorrect setting
Correct the setting
Correct setting but no
activation of regeneration
Call service!
5.
Check control valve: activate
manual regeneration and ensure
that all that control valve switches
to second vessel and that all
regeneration sequences are being
carried out
Control valve does not
carry out regeneration
sequences
Call service!
Control valve carries out
regeneration sequences
Stop water feed to
system; decrease
pressure and remove
and clean filling stop and
injector
6.
Check whether or not the by-pass
valve is closed
By-pass valve open
By-pass valve closed
Closes valve
Proceed with 7
7.
Check tightness of by-pass valve
(close mains water valves; no
water should flow to consumer at
all)
Water flow to consumer
(checked after by-pass
valve)
Replace by-pass valve;
proceed with 8
No water flows to
consumer (checked after
by-pass valve)
Proceed with 8
8.
Check whether or not additional
feed lines exist to consumer
Additional feeds
Close feeds
No additional feeds
Call service!
Содержание HYDROION VAD 125-CS 1
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