Pentair Autotrol 255 - Advanced parameter details

Installer Manual 255/LOGIX 742-762-764 - Programming
Ref. MKT-IM-021 / A - 20.02.2019 53 / 92
Parameter description Range of values
Default
value
Units of
measure
Notes
P9 Units of measure 0 - 1 1** N/A
0 = US unit.
1 = Metric unit.
P10 Clock mode 0 - 3 1** N/A
0 = 12 hour clock, flow rate
displayed.
1 = 24 hour clock, flow rate
displayed.
2 = 12 hour clock, time of day
displayed.
3 = 24 hour clock, time of day
displayed.
P11 Service interval 0 - 250 0 Months Uses 30 days for each months.
P12
Remote
regeneration
switch delay
3 - 250 60 Seconds
Time remote switch must be
active to start regeneration on
742 - 764 controllers.
P13
Chlorine
generator options
0 - 2 0 N/A
0 = no chlorine generator.
1 = salt check only.
2 = generate chlorine and salt
check.
P14 Refill rate 1 - 700 * gpm x 100 -
P15 Draw rate 1 - 700 * gpm x 100 -
P16 Reserve type 0 - 3 0 N/A
762/764 controllers only:
0 = variable reserve delayed
regeneration.
1 = fixed reserve delayed
regeneration.
2 = variable reserve delayed
regeneration/fixed reserve
immediate regeneration.
3 = fixed reserve immediate
regeneration.
(Not used with Alternating
systems)
P17
Initial average or
fixed reserve
0 - 70 30 %
762/764 controllers only:
Depends on value selected for
P16.
(Not used with Alternating
systems)