Master Setting Reference Chart - Pentair Autotrol 255 Logix 740-760 Installer Manual

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Installer Manual 255-LOGIX 740-760 - Programming

6.4.1. Master setting reference chart

Parameter description
P1
Time of day
P2
Day of week
Time of
P3
regeneration
P4
Calendar override
Day of week
P5
regeneration
Salt setting
or
P6
filter backwash
time
P7
System capacity
P8
Water hardness
P9
Units of measure
P10
Clock mode
* Calculated depending on salt setting and resin volume. The capacity may be manually adjusted.
** Factory default value is "0" for North America Made and "1" for European Made.
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Default
Range of values
value
1:00 - 12:59 AM
12:00 PM
0:00 - 23:59 PM
N/A
None
1:00 - 12:59AM
2:00 AM
0:00 - 23:59PM
0 - 99
N/A
None
50 - 290
110
or
1 - 99
0.1 - 90
30 - 2000
400
0 - 1
1**
0 - 1
1**
Units of
measure
hour:
Range depends on value
minute
selected for P10.
N/A
-
hour:
Range depends on value
minute
selected for P10.
0 = no calendar override.
0.5 = regeneration twice a day
at time of regeneration and
3
day
12 hours later.
Calendar override skipped if at
least one day of regeneration
selected.
Day of week regeneration is
skipped if calendar override is
N/A
more than 0 (740 controller
only).
g/l
Unit of measure depends on
or
or
value selected for P9.
10
minute
Unit of measure depends on
*
kg
value selected for P9.
Unit of measure depends on
value selected for P9 
g/l
(760 controller only).
0 = US unit.
N/A
1 = Metric unit.
0 = 12 hour clock.
N/A
1 = 24 hour clock.
Ref. MKT-IM-001 / C - 08.10.2019
Notes

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