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WTC 600 LP / MP APPENDIX
Service Handbook 08.2004
3.2 Operating parameters
The control system allows the following operating parameter settings (realization see item 4).
The resulting behaviours are described in the chapter operating conditions. The values in
brackets are the standard values after system reset (see item 4.4.4).
LIM function: Permeate limit value used to switch the unit off in
case limit is exceeded or if a DISPOSAL process
is to be finished. If this value is exceeded during
PRODUCTION, RINSE or CONCENTRATE
DISPLACEMENT/FLUSH for the time defined for
t-delay LIM, an ALARM MESSAGE will be
activated.
right of access: user/technician
possible setting: meas. range 0.5-50µS/cm (40 µS/cm)
Attention: the set value must be above aaLIM
aaLIM function: Permeate limit value activating an ALARM
MESSAGE in the display and on/off of the
malfunction LED if this value is exceeded for the
time defined for t-delay aaLIM
right of access: user/technician
possible setting: 0.5-50µS/cm (10 µS/cm)
Attention: the set value must be lower than LIM
t-delay LIM function: Time delay for wrong permeate limit value
(see above)
right of access: technician
possible setting: 0-99 min (1 min)
t-delay aaLIM function: Time delay for advance alarm in case of wrong
permeate limit value (see above)
right of access: technician
possible setting: 0-99 min (5 min)
t-delay lack of pressure function: Time delay to release
PRESSURE FAILURE if
PRESSURE SWITCH is inactive.
right of access: technician
possible setting: 0-99s (1s)
t-delay at start function: Period of time of permanent pressure at start of
operation after opening of the inlet valve before
the pumps begin to work.
right of access: technician
possible setting: 0-9.9s (0.5s)
t-pressure available function: Period of time until
PRESURE FAILURE is
released if pumps do not start after opening of
inlet valve.
right of access: technician
possible setting: 0-99s (5s)
t rinse function: Duration of a
DISCONTINUOUS RINSE.
right of access: technician
possible setting: 0-99 min (5s)