GE GNPR40L - Manual (Page 22)

Advanced programming and troubleshooting section.
WARNING:
Advanced programming should
only be performed by a qualified technician.
This section was designed for the use of water treatment
professionals. Default settings are based on water conditions
at a typical installation. Before making any changes, consult
a water treatment professional, as incorrect settings may
result in a system malfunction. Programming the control is
not covered under the warranty.
To access advanced programming, simultaneously hold down
the UP and DOWN buttons. This will allow you to enter
advanced programming settings P6 through P19 (see table
below).
Advanced Programming Parameters
Minimum Units
Parameter Description Range Increments of Measure Notes
P6 Refill controller 1–99 1 gpm 0.33 gpm, both models
P7 Brine draw value 1–99 1 Minutes 40L – 15 and 48L – 16
P8 Not used N/A N/A N/A N/A
P9 Backwash time 3–30 1 Minutes Skip this parameter to accept the default
or enter a value.
P10 Slow rinse time 8–125 1 Minutes GNPR40L = 67
GNPR48L = 83
P11 Fast rinse time 2–19 1 Minutes Skip this parameter to accept the default
or enter a value.
P12 Units of measure 0–1 1 0 = U.S.
1 = Metric
Skip this parameter to accept the default
(U.S.).
P13 Clock mode 0–1 1 0 = 12-hour clock
1 = 24-hour clock
Skip this parameter to accept the default
(12-hour).
P14 Calendar override 0–30 1 days 0 = no calendar override
Skip this parameter to accept the default
(no override).
P15 Reserve type 0–3 1 0 = variable reserve
P16 Fixed reserve capacity 0–70 1 percent of capacity Description depends on the value
or initial average value entered for P15 (Reserve type). Skip this
parameter to accept the default.
P17 Operation type 0–1 1 0 = Not used
1 = 5-cycle counter current
P18 Salt/capacity change 0–1 1 0 = None
lock out 1 = salt/capacity change locked out
Skip this parameter to accept the default
(no lock out).
P19 Factory defaults DO NOT 1 Loads in factory default values. DO NOT
CHANGE CHANGE THIS PARAMETER.
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