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AUTOMATIC RECHARGE
The PRF26K, PRF34K, and PRF40K use an internal water
meter that counts the gallons used . When the recharge
setpoint (gallons of water treated) is reached, the unit will
recharge . The setpoint depends on the capacity setting used
(HE or HC) and the hardness of the water . See page 19 for
rated capacities and system performance .
MANUAL REGENERATION
Delayed Regeneration
Press and release
to program a delayed regeneration . The
system will regenerate at the next Time of Regeneration
(2:00 AM) . Repeat procedure to disable the Delayed Regen .
Regen dot blinks when delayed regeneration is on .
Immediate Regeneration
Press and hold the
for 3 seconds to initiate an immediate
regeneration . The control cycles to backwash . The control
will proceed through a complete regeneration . A cascading
symbol (- -) will be displayed until regeneration is complete .
The symbol (- -) is not displayed during a quick cycling of the
control .
Figure 16
QUICK CYCLING THE CONTROL
Quick Cycling
Press and hold the
for 3 seconds to initiate an immediate
regeneration . The control will cycle to the backwash cycle .
1 . Press and release the
2 . Simultaneously press then release
control to the next cycle .
NOTE: The time may be displayed for 5 seconds.
3 . Press and release the
Continued pressing of
"- -" and "C#" .
4 . Repeat steps 2 and 3 to cycle through each position .
Quick Cycle to Service Position
Simultaneously press
and
any regeneration cycle . The control will skip the remaining
regeneration cycles and return to the service position . The
Time of Day will be displayed when the control reaches the
service position .
to display "C 1"
and
to move the
to display "- -" or the "C#" .
will switch the display between
and hold for 3 seconds during
Figure 17
CYCLE DEFAULTS TABLE
PRF26K Recharge Cycles:
Length of Cycle
Cycle
Cycle
HE
Description
Setting
1
Backwash 1
10 min
2
Brine Draw
55 min
Slow Rinse
3
Re-
3 min
Pressurize
4
Fast Rinse 1
4 min
5
Backwash 2
1 min
6
Fast Rinse 2
1 min
7
Refill
2 .6 min
*The camshaft does not move between Brine Draw and Slow Rinse .
Slow Rinse begins when the brine in the salt tank runs out and the
check valve closes .
PRF34K Recharge Cycles:
Length of Cycle
Cycle
Cycle
HE
Description
Setting
1
Backwash 1
10 min
2
Brine Draw
54 min
Slow Rinse
3
Re-
3 min
Pressurize
4
Fast Rinse 1
4 min
5
Backwash 2
1 min
6
Fast Rinse 2
1 min
7
Refill
3 .5 min
*The camshaft does not move between Brine Draw and Slow Rinse .
Slow Rinse begins when the brine in the salt tank runs out and the
check valve closes .
PRF26K, PRF34K, and PRF40K • 11
Time remaining to
end of cycle
HC
HE
HC
Setting
Setting
Setting
10 min
76 .6 min
105 .6
min
74 min
66 .6 min
95 .6 min
3 min
11 .6 min
21 .6 min
4 min
8 .6 min
18 .6 min
1 min
4 .6 min
14 .6 min
1 min
3 .6 min
13 .6 min
12 .6 min
2 .6 min
12 .6 min
Time remaining to
end of cycle
HC
HE
HC
Setting
Setting
Setting
10 min
76 .5 min
117 .5
min
107 .5
82 min
66 .5 min
min
3 min
12 .5 min
25 .5 min
4 min
9 .5 min
22 .5 min
1 min
5 .5 min
18 .5 min
1 min
4 .5 min
17 .5 min
16 .5 min
3 .5 min
16 .5 min
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