Series 255 Valve / 960 Control
Water Conditioning Control System
Dealer Installation, Operation and Maintenance Manual
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variable reserve which adjusts the reserve
depending upon the water usage patterns of your
customer.
Introduction
The Model 960 control provides sophisticated,
demand-based water conditioning by incorporating a
microprocessor and a water meter to electronically
monitor the amount of water used daily. This fully
programmable control allows you to fine tune the
conditioner’s operation to meet your customer’s
application. The Series 255 valve combines design
simplicity with reinforced Noryl* construction to provide
an uncommonly reliable appliance. The inherent
reliability of the system means a long life of efficient,
trouble-free water conditioning. If maintenance
becomes necessary, the Series 255/960 water
conditioning system offers a unique separation
capability illustrated in this manual.
• Separate Time of Day and Time of Regeneration
settings. The control defaults to a 2:00 a.m.
regeneration time for easy installation, but the
installer may set the regeneration to occur at any
time of the day.
• WQA S-101 features. The control can be
programmed to freeze the values for Salt Amount
and Capacity so the customer can’t alter them after
installation (see Parameter P18, Table 3).
• Selectable 12-or 24-hour clock. (See Parameter
P13, Table 3.)
• Selectable U.S. or metric units of measure. Use
grains per gallon of hardness, pounds of salt, and
kilograins of capacity for U.S. units. Use milligrams
per liter of hardness, kilograms of salt and
kilograms of capacity for metric units (see
Parameter P12, Table 3).
*Noryl is a trademark of General Electric Company
Special Features
• Memory Retention. During a power outage,
critical operating information in the control’s
memory is stored in a special electronic device.
This information includes the time of day, water
usage amounts, daily average water usage, all
programming data and the number of days since
the last regeneration. When power is restored, the
information is returned to the microprocessor and
operation resumes as if an outage never occurred.
The time of day will be late by the length of the
power outage. If an outage of one or more hours
occurs, the time of day should be reset but no other
reprogramming is necessary. The optional
• Selectable calendar override. One to 30 days are
available to automatically regenerate the
conditioner if the water usage hasn’t caused a
regeneration. The default value is zero which
disables this feature (see Parameter P14, Table 3).
• Design reliability. Solid-state electronics assure
many years of trouble-free performance. The
metering system has only one moving part, the
rotating turbine that measures water usage and
generates electrical pulses that are counted by the
microprocessor to determine the need to
regenerate.
non-rechargeable battery backup feature will allow
the control to keep track of time and any water
usage for up to two days during a power outage.
• Guest cycle. An extra regeneration can be
achieved at any time by pressing the REGEN
button on the Model 960 front panel. It takes just a
few minutes for the regeneration to start. The
regeneration takes about two hours. This feature is
beneficial when the customer expects to use more
than the normal amount of water; for example,
guest visits or an extra heavy laundry day.
• Fully programmable regeneration cycle times.
The control is factory programmed with typical
regeneration cycle times for easy installation. The
control allows the Backwash, Rinse, and Purge
cycle times to be set by the installer to fine tune the
conditioner’s operation.
• Automatic double regenerations for exhausted
resin beds. If the water usage exceeds 150% of
the system capacity between regenerations, the
control will automatically call for a second
• Manual double regeneration. Back-to-back
regenerations can be run by pressing the REGEN
push button after the first regeneration has been
running for at least one minute. This can be used to
recharge the resin bed that has operated without
salt for an extended period of time.
regeneration the next day even if no water is used.
This feature is included to make sure that an
exhausted resin bed is completely recharged.
Superior Design
• Selectable reserve options. The control can be
programmed to operate with one of four different
reserve options (see Parameter P15, Table 3). The
options include starting a regeneration only at a
specific time of day or having an immediate
regeneration when the capacity is exhausted. The
control can also have a fixed reserve which is a
percentage of the total system capacity or a
• Fewer parts than any control system of
comparable function and most controls of lesser
function.
• The valve may be indexed manually with or without
power to any one of its service or regeneration
positions. The Regeneration Cycle Indicator on the
3
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control face plate indicates control valve position.
require a minimum water pressure to operate.
• No dynamic seals that could cause leakage
• Five-cycle operation provides for downflow
conditioned water, upflow backwash, downflow
brining and slow rinse, downflow fast rinse, and
refill of the brine tank.
through wear or fatigue.
• Control accepts Noryl brass manifold or modular
bypass valve without modification, offering
complete versatility and easy plumbing for any
installation.
• Valve discs are held closed by water pressure and
are leak tight. Valve seats are in a vertical position,
which is the position least vulnerable to plugging.
• Brining control valve built into system eliminates
need for an external brine valve.
• System operation cannot get out of phase or
sequence. The control always returns to a fixed
conditioned water position after regeneration.
• Drain flow control is built into the valve to control
backwash and fast rinse flow rates.
• Bypass water is automatically available during
Superior Operation
regeneration.
• Direct acting system functions independently of
water pressure. No pistons or diaphragms that
Figure 1 - Control
Optional Bypass
Air Check
Brine Line Fitting Connection 1/4-inch NPT
Inlet Connection 3/4-inch or 1-inch NPT or BSPT
Drain Connection 3/8-inch or 1/2-inch NPT or BSPT
Outlet Connection 3/4-inch or 1-inch NPT or BSPT
Tank Thread 2-1/2-inch - 8 Male NPSM
Figure 2 - Tank Adapter
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Installation
All plumbing must conform to local codes. Inspect the
unit carefully for carrier shortage or shipping damage.
Location Selection
The following considerations must be taken into
account when selecting the location for the water
conditioning system.
• Locate the system as close to a drain as possible.
• If supplementary water treating equipment is
required, make sure that adequate additional
space is available. Locate the brine tank in an
accessible place so that salt can be easily added.
• Do not install any unit closer than 10 feet (3 m) of
piping between the outlet of the conditioner and
the inlet of a water heater. Water heaters can
transmit heat back down the cold water pipe into
the control valve. Hot water can severely damage
the conditioner.
A 10-foot (3-m) total pipe run (including bends, elbows,
etc.) is a reasonable distance to prevent hot water
damage. A positive way to prevent hot water from
flowing from a heat source to the conditioner is to
install a check valve in the soft water piping from the
conditioner. If a check valve is installed, make sure that
the water heating unit is equipped with a properly rated
temperature and pressure safety relief valve. Always
conform to local codes.
• Do not locate the unit in an area where the
temperature ever falls below 34oF (1oC) or over
120oF (49oC).
• Do not install the unit near acid or acid fumes.
• Do not expose the unit to petroleum products.
Water Line Connection
5
water pressure at the conditioner is not less than 40 psi
(2.8 bar). You may elevate an additional 2 feet (61 cm)
for each additional 10 psi (0.7 bar).
Overflow Fitting
Installed
Brine Tank
Where drain line is elevated but empties into a drain
below the level of the control valve, form a 7-inch
(18-cm) loop at the far end of the line so that the bottom
of the loop is level with the drain line connection. This
will provide an adequate siphon trap (Figure 5).
Where a drain empties into an overhead sewer line, a
sink-type trap must be used.
Connect 1/2-in. (13 cm)
I.D. Tubing or Hose and Run
to Drain
IMPORTANT: Never connect the drain line into a drain,
sewer line, or trap. Always allow an air gap between the
drain line and the wastewater to prevent the possibility
of sewage being back-siphoned into the conditioner.
Figure 6 - Overflow Line Connection
Note: Do not elevate the overflow line higher than
3 inches (7.6 cm) below the bottom of the overflow
fitting. Do not tie into the drain line of the control unit.
The overflow line must be a direct, separate line from
the overflow fitting to the drain, sewer, or tub. Allow an
air gap as in the drain line connection, Figure 5.
Note: Standard commercial practices have been
expressed here. Local codes may require changes to
these suggestions.
Brine Line Connection
Install an appropriate fitting onto the 1/4-inch male NPT
connection on the air check, Figure 7, and install a
length of flexible tubing between the air check fitting
and the brine pickup tube at the brine tank.
Placing Conditioner into Operation
Initial Start-Up
After the water conditioning system is installed, the
conditioners should be disinfected before they are
used to treat potable water. Refer to the Disinfection of
Water Conditioners section in this manual. Complete
the following steps to place the conditioner into
operation:
Note: Make sure that all fittings and connections are
vacuum tight so that premature checking does not take
place. Premature checking occurs when the ball in the
air check falls to the bottom before all brine is drawn
out of the brine tank. Refer to the Troubleshooting
section in this manual for additional information.
1. Remove the rear valve cover by pulling back on the
tab located on the lower rear edge of the cover.
Next, lift the cover off the valve, Figure 10.
Brine Tank Overflow Line Connection
In the event of a malfunction, the brine tank overflow
connection directs overflow to the drain instead of
spilling it on the floor where it could cause water
damage. Complete the following steps to connect the
overflow fitting to the brine tank:
2. Grasp the camshaft and rotate it
COUNTERCLOCKWISE (as viewed from the front
of the control) until the indicator on the
regeneration cycle indicator points directly to the
word BACKWASH.
1. Locate the fitting hole on the side of the brine tank.
3. Fill the mineral tank with water. Turn the water
supply off and place the bypass valve(s) into the
“not in bypass” position. Open the water supply
valve very slowly to approximately the 1/4 open
position.
2. Insert the overflow fitting (not supplied) into the
tank and tighten with the plastic thumb nut and
gasket as illustrated in Figure 6.
3. Attach a length of 1/2-inch (1.3-cm) tubing (not
supplied) to the fitting and run to the drain.
IMPORTANT: If the water supply valve is opened too
rapidly or too far, resin may be lost. In the BACKWASH
position, you should hear air escaping slowly from the
drain line.
4. When all of the air is purged from the tank (water
begins to flow steadily from the drain), slowly open
the main supply valve all the way. Allow the water
to run into the drain until clear. Turn off the water
supply and wait for about five minutes to allow all
trapped air to escape from the tank.
6
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5. Add water to the brine tank (initial fill). With a
bucket or hose, add approximately 4 gallons
(15 liters) of water to the brine tank. If the tank has
a salt platform above the bottom of the tank, add
water until the level is approximately 1 inch (25 mm)
above the platform.
Connecting the Control
The control has default values for most parameters that
were set at the factory, but there are key items that
need to be entered at the time of installation:
• Time of Day
• Time of Regeneration
• Hardness
• Salt Amount
• Capacity of the Unit
• Refill Controller Value
• Brine Draw Rate
Determine from Tables 1 and 3 what these values
should be before applying power to the control. It is
also helpful to read the Programming the Model 960
Control section if you want to set other parameters.
When the conditioner is operational, complete the
following steps to connect the Model 960 control:
• Connect the control to the wall transformer
cable. The power connection is located on the
underside of the control on the left side (refer to
Figure 1). Insert the barrel style connector into
the power plug.
Figure 7 - Air Check
Open the water supply valve slowly to the fill open
position. Carefully rotate the camshaft
• Plug the wall-mount transformer into an
electrical outlet that is not controlled by a wall
switch.
COUNTERCLOCKWISE until the indicator on the
regeneration cycle indicator points directly to the
center of the REFILL position and hold there until the
air check (Figure 7) fills with water and water flows
through the brine line into the brine tank. Do not run for
more than two minutes. Rotate the camshaft
COUNTERCLOCKWISE until the indicator points to
the center of the BRINE/SLOW RINSE position.
• If the cord length of the transformer is too short,
an optional 15-foot low voltage extension cord
may be purchased (contact your original
equipment dealer for details) or the wire may be
spliced as shown in Figure 19 on page 24.
Check that water is being drawn from the brine tank.
The water level in the brine tank will recede very slowly.
Observe the water level for at least three minutes. If the
water level does not recede, if it goes up, or if air enters
the transparent air check chamber and the ball falls and
seats, refer to the Troubleshooting section in this
manual.
When the water is being drawn from the brine tank,
rotate the camshaft COUNTERCLOCKWISE until the
indicator points to REGEN COMPLETE. Run water
from a nearby faucet until the water is clear and soft.
Figure 8 - Faceplate of 960 Control
Programming the Model 960 Control
This section covers all aspects of programming the
control. The control is shipped from the factory with
default values for Hardness and Capacity. These
default values will result in a system capacity of
100 gallons (1 cubic meter). While the control will
operate with these values, they should be changed to
meet the actual operating conditions.
7
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Note that some parameters have a single unit of
measure option such as the Rinse Time which is only
entered in minutes. Other parameters have dual units
such as Salt Amount which can be entered in pounds
or kilograms. To select which units are active, look for a
comment in the NOTES column of Tables 1 and 3. It will
reference another parameter that selects which units
are active. For example, Parameter P12 (Table 3)
selects U.S. units if it is set to “0” and metric if it is set
to “1.”
Note: If a beep sounds, the new setting is not accepted
because it was outside the allowable range. The old
value will be displayed.
Time of Day
Press the SET button. The display will show the Time
of Day with the minutes digit blinking. If you want to
change this number, press the up arrow (↑) button to
increase the number or the down arrow (↓) button to
decrease the number. To skip the number without
changing, press the left arrow (←) button. The first
number stops flashing and the next number starts
flashing. You can only change the flashing number.
When you have reached the far left digit, pressing the
left arrow (←) button returns you to the far right digit.
Continue changing numbers until you reach the desired
setting. Press the SET button to enter the value.
Level I Parameters (Table 1)
Level I Parameters are identified as those that have an
LED indicator on the front panel. The green indicator
illuminates next to the name of the active control
setting. The end user has access to all of these
parameters which are explained in the Series 960
Operation and Maintenance Manual, R-360 (P/N
1017934). In general, pressing the down arrow (↓)
button displays the Level I Parameters in the following
order:
Time of Regeneration
The next value displayed is the Time of Regeneration.
It has a default value of 2:00 a.m. If this is not
acceptable, press the SET button and change the
number. Press the SET button to enter the value. If
2:00 a.m. is acceptable, press the down arrow (↓)
button.
• Time of Day
• Time of Regeneration
• Hardness
• Salt Amount
• Capacity
Hardness
If you continue to press the down arrow (↓) button, the
parameters start over with Time of Day. Pressing the up
arrow (↑) button displays the parameters in reverse
order. Refer to Table 1 for a description of these
parameters and the available ranges for each
parameter.
Hardness is the next value displayed. This value is the
water hardness expressed in grains per gallon
(milligrams per liter). The default value is 10 grains/
gallon (100 mg/L). If this is not acceptable, press the
SET button and enter a new value. Any value between
3 and 250 grains per gallon (30 and 2500 milligrams per
liter) is allowed. Press the SET button to enter the new
value.
Press the SET button and the far right number on the
display starts flashing. If you want to change this
number, press the up arrow (↑) button to increase the
number or the down arrow (↓) button to decrease the
number. To skip the number without changing, press
the left arrow (←) button. When you reach the far left
digit, pressing the left arrow (←) button will return you
to the far right digit.
Salt Amount
Salt Amount is the next value displayed. The default
value for Salt Amount is 6 pounds (2.5 kilograms) of
salt; refer to Table 2.
Note: This is the total amount of salt for a regeneration,
not pounds per cubic foot. If 6 pounds is not
acceptable, press the SET button and change the
numbers. If 6 pounds is acceptable, press the down
arrow (↓) button.
Note: If you press and hold either the up arrow (↑)
button or the down arrow (↓) button for more than
one second, the flashing number will increment or
decrement at the rate of 10 counts per second.
When the number is correct, press the left arrow (←)
button. The first number stops flashing and the next
number starts flashing. You can only change the
flashing number. Continue changing numbers until you
reach the desired setting. Press the SET button. The
numbers stop flashing and the control accepts the new
setting. After approximately 30 seconds, the control
starts alternating the display between Time of Day and
Capacity.
Capacity
Capacity is the next value displayed and is expressed
in kilograins (kilograms). Refer to Table 2 for the
capacity setting that corresponds to the resin bed
volume and salt amount. The default value is
1.0 kilograin (0.1 kilogram). If this is not acceptable,
press the SET button and enter a new value. Any value
between 0.1 and 140 kilograins (.01 and
14.00 kilograms) is allowed.
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Note: If the calculation for the system capacity
exceeds 9999 gallons (99.99 cubic meters) (P5,
Capacity, divided by P3, Hardness,) the control will
display 9999 (99.99) for capacity until the water usage
has dropped the remaining capacity below that
number. When water is flowing through the system, the
colon in the Time of Day display will blink.
the volume remaining in gallons (cubic meters for
metric) before a regeneration is needed.
Verify proper power outage operation by briefly
removing power to the control. The unit will beep and
show the time of day when power is turned on.
If you wish to fine-tune the operation of this control,
refer to Table 3 for details concerning allowable values,
defaults, and parameter descriptions. The
programming procedure is the same for all of these
parameters.
At this time, all of the mandatory parameters are filled
and the control is ready for operation. The display will
alternate between the Time of Day and Capacity if no
keys are pressed for 30 seconds. The Capacity value is
Table 1 - Programming Parameters
Parameter
Description
Range of
Values
Minimum
Increments
Units of
Measure
Default
Notes
Name
Range depends on value
selected for P13. Enter the
current time.
1:00 to 12:59
00:00 to 23:59
Time of day
AM or PM
P1
1
1
None
Hour:minute
Range depends on value
selected for P13. Skip this
parameter to accept the
default or enter a new time.
1:00 to 12:59
AM or PM
Time of day
of
regeneration
P2
P3
2:00 AM
Hour:minute
00:00 to 23:59
Unit of measure depends on
value selected for P12. Test
water hardness and enter
that value.
Hardness of
water
3 to 250
30 to 2500
1
10
10
100
Grains/gallon
mg/L
Unit of measure and default
depends on value selected
for P12. Refer to Table 2.
0.5 to 99.5
0.1 to 25.5
0.5
0.1
6
2.5
Pounds
Kilograms
P4
P5
Salt amount
Unit of measure depends on
value selected for P12. Enter
the unit capacity.
0.1 to 140.0
1.0
0.1
Capacity of
unit
0.1
0.01
Kilograins
Kilograms
0.01 to 14.00
Table 2 - Suggested Salt Settings
(Pounds of Salt for Various Size Conditioners)
Resin Bed Volume
Kilograins of
Hardness
Capacity
Setting
0.5 ft3
0.75 ft3
1.0 ft3
1.25 ft3
1.5 ft3
1.75 ft3
2.0 ft3
12
16
20
24
30
32
35
40
48
4.5
-
-
-
-
-
-
9.0
5.0
-
6.0
8.5
15.0
18.5
-
-
-
-
-
-
-
-
-
-
-
-
-
8.5
-
-
-
-
14.0
7.0
11.0
12.5
16.0
23.0
-
-
-
-
-
-
-
-
9.0
10.0
12.0
17.0
28.0
-
-
9.0
10.0
14.0
21.0
-
9.0
12.0
17.0
-
-
9
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Settings for all parameters can be written on the label
provided with the control. The label has an adhesive
backing so it can be attached to the inside rear cover
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Level II Parameters (Table 3)
The Level II Parameters are P6 through P19 in Table 3.
The Operation and Maintenance Manual for this
product does not mention these parameters, so the
end user does not normally have access to these
values. To access Level II Parameters, simultaneously
press and hold the down arrow (↓) and up arrow (↑)
buttons for three seconds.
chigrPrPr.
If the control was alternating between Time of Day and
Capacity when the above button sequence is entered,
the display shows P1. If a different Level I Parameter
was displayed, the display shows the “P” number for
that parameter. Refer to Table 3 to find the “P” number
associated with each parameter. Use the up arrow (↑)
button or the down arrow (↓) button to move from one
parameter to the next. The display cycles through the
“P” numbers shown in Tables 1 and 3. When you reach
P19, the next P number will go back to P1.
When the parameter number you want to change is on
the display, press the left arrow (←) button to display
the data assigned to that parameter. Press the SET
button and the far right number on the display starts
flashing. If you want to change this number, press the
up arrow (↑) button or the down arrow (↓) button. To
skip the number without changing, press the left arrow
(←) button. When the number is correct, press the SET
button. The numbers stop flashing and the control
accepts the new setting. If a beep sounds, the new
setting was not accepted. Refer to Table 3 for allowable
values for that parameter.
To change or view other parameters, press the left
arrow (←) button to have the display show “P”
numbers. Now use the up arrow (↑) button or the down
arrow (↓) button to move to the parameter number you
wish to change.
To exit the Level II programming mode, simultaneously
press and hold the down arrow (↓) and up arrow (↑)
buttons for three seconds, or wait 30 seconds without
pressing a button. The control starts alternating the
display between Time of Day and Capacity.
10
Table 3 - Programming Parameters
Parameter
Description
Range of
Values
Minimum
Increments
Units of
Measure
Name
Default
Notes
Refill
controller
Brine draw
value
Not used
Backwash
time
Slow rinse
time
Fast rinse
time
Enter the value molded into
the end of the refill controller.
Select number from Table 4
and enter that number.
NA
Skip this parameter to accept
the default or enter a value.
Skip this parameter to accept
the default or enter a value.
Skip this parameter to accept
the default or enter a value.
0 = U.S., 1 = Metric. Skip this
parameter to accept U.S. or
enter 1 for Metric.
P6
1 to 99
1
33
P7
P8
P9
1 to 99
NA
1
NA
1
25
NA
14
NA
3 to 30
Minutes
P10
P11
8 to 125
2 to 19
1
1
40
4
Minutes
Minutes
Units of
Mmeasure
P12
P13
P14
0 to 1
0 to 1
1
1
1
0
0
0
0 = 12-hour clock.
1 = 24-hour clock. Skip this
parameter for a 12-hour clock
or enter 1 for a 24-hour clock.
0 = no calendar override. Skip
this parameter for no calendar
override or enter a value.
0 = variable reserve, 1 = fixed
reserve, 2 = variable reserve
with immediate regen,
Clock mode
Calendar
override
0 to 30
Days
3 = fixed reserve with
P15
Reserve type
0 to 3
1
0
immediate regen. Skip this
parameter to accept the
default or enter a different
reserve type.
Description depends on the
value entered for P15. Skip
this parameter to accept the
default or enter a different
value.
0 = 5-cycle counter or co-
current conditioner, 1 =
reserved for future use.
0 = none, 1 = salt/capacity
change locked out. Skip this
parameter to accept the
default or enter 1 to lock out
salt/capacity change.
Fixed reserve
capacity or
initialaverage
value
Percent of
capacity
P16
P17
P18
0 to 70
0 to 1
0 to 1
1
1
1
30
0
Operation
type
Salt/capacity
change
Lockout
0
Loads in a set of default
values. Refer to the Special
Notes for Level II
Parameters section in this
manual.
Factory
defaults
P19
0 to 3
1
9
11
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• Parameter P18 allows the installer to lock the Salt
Amount and Capacity values so they cannot be
changed. When Parameter 18 is set to 1, those two
settings can only be viewed when the control is in
the Level II mode. The settings will be skipped
when the control is in the Level I mode. When
Parameter 18 is set to zero, the Salt Amount and
Capacity can be viewed and changed in either
Level I or Level II.
Brine Draw Value
Parameter P7 is used by the control to calculate the
brine draw time. The default value of 25 was selected
for a “B” injector with low water pressure or an “A”
injector with moderate water pressure. If this does not
match your installation, press the SET button and enter
a new value. Refer to Table 4 for the correct value. Find
the injector used in the 255 valve. The injector cap is
labeled with the injector letter and the injector is color
coded for easy identification. Next, determine the
typical water pressure for this installation. The Brine
Draw Value is an estimate of the flow rate of brine
through the injector. This rate varies with water
pressure and injector type as shown in Table 4. The
control calculates the brine draw time using this value
and the salt amount. The brine draw time is added to
the Rinse Time (P10) to determine the total Brine
Draw/Slow Rinse Time.
• Parameter P19 is used at the factory to enter
default values. This parameter does not need to
be changed. Using this parameter will erase the
values for all other parameters and replace them
with default values. Improper regenerations will
occur if P19 is set to a 1 or 3.
Regeneration
When the control begins a regeneration, the display will
alternate between Time of Day and Regen Time
Remaining. The Regen Time Remaining is shown in
minutes. The control will start and stop an internal
motor which drives the camshaft through the various
regeneration positions. The control uses the
information entered in the parameters shown in Table 3
to determine how long each part of the cycle should
last. The control will stop the camshaft at the correct
location for each part of the regeneration cycle.
• This control does not use Parameter P8. No entry
is needed for this parameter.
• Parameter P12 selects the units of measure. Be
sure that this is set to the correct value before
entering any data for Parameters P3, P4 or P5.
• Parameter P13 selects the clock display mode. If
the 12-hour mode is selected, a PM indicator is
used. If the 24-hour mode is selected, the PM
indicator is not used.
If power fails during a regeneration cycle, the cycle
completes normally when the power is restored.
• Parameter P15 has four allowable values. Values 0
or 1 will cause the control to wait for Parameter P2,
time of day of regeneration, to begin the
regeneration. Values 2 or 3 will cause the control to
start the regeneration as soon as the capacity is
exhausted.
Note: The REGEN button is only active when the
display is alternating between Time of Day and
Capacity. When programming Level I or II parameters,
the REGEN button is not active.
Conditioned water is available when the control enters
the brine refill cycle. The Regen Time Remaining in
regeneration will continue to count down until the
indicator points to REGENERATION COMPLETE.
Table 4 - Brine Draw Value
Brine
Draw
Value at
30 psi
19
Brine
Draw
Value at Value at
50 psi
26
Brine
Draw
Injector Color
Manual Regeneration
70 psi
31
37
To force the control to perform a regeneration, press the
REGEN button. This button is located on the front of
the control. When you press the REGEN button, the
control performs a full regeneration of the conditioner.
A
B
C
White
Blue
Red
24
30
29
37
40
• When Parameter P15 selects a variable reserve
type, 0 or 2, Parameter P16 is used to calculate the
initial seven average daily water usage values. The
control multiplies the total capacity by the
percentage entered for Parameter P16 and uses
that value as the initial average daily usage for each
day of the week until water usage establishes new
averages.
If you press this button again more than one minute
after regeneration begins, but before the
regeneration is complete, a second regeneration
will start when the first regeneration is finished. The
display will freeze and only show the Regen Time
Remaining as an indication that the second
regeneration will be performed. When the first
regeneration is complete, the second one will begin
and the display will alternate between Time of Day and
Regen Time Remaining.
• Parameter 17 has two allowable values, 0 or 1,
however, the 1 is reserved for future options and
thus should not be used. Improper regenerations
will occur if P17 is set to 1.
12
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Fixed reserve
Automatic Regeneration
When the fixed reserve is selected, the control
multiplies the maximum system capacity by the
percent value set in Parameter P16 and uses the result
as a reserve.
There are two ways to have the control automatically
start a regeneration: calendar override or having the
control monitor the water usage.
Calendar override
Water usage pattern
This feature is set in Parameter P14. It can be set for
one to 30 days. If it is set to zero, this feature is
disabled. When this feature is active, the control keeps
track of the number of days since the last regeneration
and when that number equals the value set in P14, a
regeneration is automatically started at the Time of
Regeneration set in P2.
The other reserve option allows the control to adjust the
reserve based upon the historical water usage pattern
of the system. The control keeps track of the water
usage for each day of the week and uses that day’s
average usage multiplied by 1.2 as the reserve for that
day. Every day at the Time of Regeneration, the control
recalculates the day’s average water usage. If less than
10% of a day’s average water usage is used, the
control will not change the day’s average. If more than
twice the day’s average is used, the control uses the
actual usage in the reserve calculation.
Control monitors the water usage
The control compares the water usage to the
calculated volume capacity of the system. The control
uses the Capacity Parameter P5 divided by the
Hardness Parameter P3 to calculate the volume
capacity of the system. It also uses a reserve value to
determine if a regeneration is necessary. If the water
usage since the last regeneration is greater than the
system capacity minus the reserve, a regeneration is
needed.
Since a new installation has no history of water usage,
the control multiplies the percent of capacity value set
in Parameter P16 by the total system capacity to
determine starting average for each day of the week.
The factory set default value for P16 is 30 which means
that 30% of the total system capacity is used for the
starting average for each day.
Note: If the water usage exceeds 150% of the system
capacity between regenerations, the control will
automatically call for a second regeneration the next
day even if no water is used. This feature is included to
make sure that an exhausted resin bed is completely
recharged.
Program Parameter P15 is also used to select whether
the control waits until the Time of Regeneration set in
Parameter P2 to start a regeneration, or if the control
should begin a regeneration immediately when the
capacity remaining is less than the reserve.
Reserve options
There are two types of reserve options for this control:
fixed reserve and historical water usage pattern. They
are selected with Parameter P15.
13
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Service
Removing the Control
Complete the following steps to remove the control
module for servicing:
1. Unplug the wall-mount transformer.
2. Shut off the water supply or put the bypass valve(s)
into bypass position.
3. Remove the rear cover by pushing back on the tab
provided on the cover, Figure 10. Next, lift the rear
cover off the valve.
Figure 12
Outlet
Drain
Inlet
Figure 13
Figure 10
6. Disconnect the turbine probe from the turbine
assembly.
4. Relieve system pressure by opening the backwash
drain valve (the sixth valve back from the control)
with a screwdriver, Figure 11.
7. Lift the control off the valve, Figure 14. To replace
the control, reverse the above procedure. Note that
the camshaft needs to be positioned correctly
before it can be inserted into the back of the
control. There is a locating rib on the camshaft.
Position the rib on the top of the shaft and slide the
camshaft into the control. Push up on the end of
the camshaft, furthest from the timer, snapping it
into place.
Figure 11
5. To remove the camshaft or reinstall it, the rib on the
shaft must be pointing straight up. This occurs
when the indicator knob is rotated to the refill
position. Press down on the back of the camshaft
to disengage it from the rear “hoop” of the top
plate, Figure 12.
Slide the camshaft back to disengage it from the
timer, Figure 13.
Figure 14
14
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8. To remove the valve, remove the screw in the
locking bar, Figure 15.
drain valve (the sixth valve back from the control)
with a screwdriver, Figure 11.
4. Using a screwdriver, unscrew and remove the
injector screen and injector cap.
5. Clean screen with a fine brush. Flush with water
until clean.
6. Using a needle-nose pliers, pull the injector straight
out.
7. Flush water into the injector screen recess of the
valve body to flush debris out through the injector
recess.
8. Clean and flush the injector. Lubricate the O-rings
on the injector, injector cap, and injector screen
with silicone lubricant.
Figure 15
Screen
Injector
Injector Cap
Figure 16
Figure 17
9. Apply downward hand pressure on the control and
pull the locking bar out, Figure 16.
9. Reinstall the injector, injector cap, and injector
screen.
10. Using a rocking motion, lift the control from the
tank adapter. If the O-ring seals come off with the
control, put them back into the tank adapter
sockets. Lubricate the O-rings with silicone
lubricant (Autotrol part number 1013501.)
IMPORTANT: Do not overtighten the plastic cap. Seat
the cap lightly into position. Overtightening can cause
breakage of the plastic cap which may not be evident
immediately.
10. Reinstall cover, reconnect electric power, and reset
the time of day.
Reverse the procedure to replace the control module.
11. Slowly open the water supply valve or return the
bypass valve(s) to the “not in bypass” position.
Preventive Maintenance
Injector Screen and Injector
Water Meter
The injector is the component which creates the
vacuum necessary to draw brine into the water
conditioner. Clean the injector and injector screen once
a year in order to maintain proper water conditioning.
Some locations may require more frequent injector and
screen servicing. Refer to Figure 17 and complete the
following steps to clean the injector screen and
injector:
In rare instances, the turbine wheel of the water meter
can collect small particles of oxidized iron, eventually
preventing the wheel from turning.
1. Shut off the water supply or put the bypass valve(s)
into the bypass position.
2. Relieve system pressure by opening the backwash
drain valve (the sixth valve back from the control)
with a screwdriver, Figure 11.
1. Unplug the wall-mount transformer.
2. Shut off the water supply or put the bypass valve(s)
into the bypass position and remove the rear cover.
3. Loosen and remove the fasteners that hold the
meter adapter to the tank adapter and the
fasteners that hold the piping boss or bypass valve
to the meter adapter.
3. Relieve system pressure by opening the backwash
15
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4. Remove the meter adapter. Be careful not to
misplace any of the O-rings.
Disinfection of Water Conditioners
The construction materials of the water conditioning
system do not support bacterial growth or contaminate
the water supply. However, we recommend that the
conditioner be disinfected after installation and before
the conditioner is used to treat potable water. In
addition, a conditioner can become fouled with organic
matter during normal usage or with bacteria from the
water supply. Periodic disinfection is recommended for
all conditioners. Use one of the following methods of
disinfection based on operating conditions, style of
conditioner, type of ion exchanger, and disinfectant
available.
5. Use a needle-nose pliers to grasp one of the four
vanes of the gland, Figure 18, and pull straight out
to remove the gland from the adapter.
Inlet
Drain
Outlet
Sodium Hypochlorite 5.25%
Sodium Hypochlorite solutions can be used with
polystyrene resin, synthetic gel zeolite, greensand, and
bentonites and are available under trade names such
as Clorox, Linco, Bo Peep, White Sail, and Eagle Brand
Bleach. Adjust the dosage if stronger commercial
solutions are used.
Figure 18
The recommended dosage for 5.25% solutions is:
•
•
Polystyrene resin: 1.2 fluid ounces per cubic foot.
Non-resinous exchangers: 0.8 fluid ounce per
cubic foot.
6. Carefully remove the turbine wheel from the
housing. Use a toothbrush to lightly scrub the iron
off the magnet. Iron buildup on the wheel surfaces
can be removed by soaking the wheel in a mild
sodium hydrosulfite (e.g., RoVer*) solution for a few
minutes, then flushing thoroughly with water.
Complete the following steps to disinfect the
conditioner: Add the sodium hypochlorite solution to
the brine well of the brine tank. Make sure that the
brine tank has water in it so the solution is carried into
the conditioner. Proceed with normal regeneration.
Refer to the Manual Regeneration section in this
manual.
7. Carefully reinstall the turbine wheel into the
adapter. Make sure that the shaft of the wheel seats
into the bearing of the adapter and that the dimple
on the wheel faces you.
Calcium Hypochlorite
Calcium hypochlorite, 70% available chlorine, is
available in several forms including tablets and
granules. These solid materials can be used directly
without dissolving before application.
8. Carefully reinstall the gland into the adapter. Make
sure that the shaft of the wheel seats into the
bearing of the gland. Press the gland all the way in
and check that the wheel rotates freely.
The recommended dosage for calcium hypochlorite is
two grains (approximately 0.1 ounce) per cubic foot.
9. Reinstall the meter adapter, O-rings, piping boss or
bypass valve. Tighten all fasteners and turn on the
water supply or put the bypass valve(s) into the
service position. Purge the air out of the system.
Complete the following steps to disinfect the
conditioner: Add the calcium hypochlorite solution to
the brine well of the brine tank. Make sure that the brine
tank has water in it so the solution is carried into the
conditioner. Proceed with normal regeneration. Refer to
the Manual Regeneration section in this manual.
To check for proper meter operation, open a
downstream faucet and observe the water flow
indication (flashing colons on time display) on the
control display.
*RoVer is a trademark of Hach Chemical Company.
16
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Specifications
255 Valve with 960 Control
Inlet
1-1/2-inch (38 mm)
Drain
1-1/2-inch (38 mm)
Outlet
13-11/16 inch (347 mm)
255 Valve with 960 Timer
1-1/4 inch (32 mm)
1 inch (25 mm)
6-3/8 inch (162 mm)
4-5/8 inch (117 mm)
4-1/16 inch (103 mm)
7-5/16 inch (185 mm)
Hydrostatic Test Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 psi (20.69 bar)
Working Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 127 psi (1.38 to 8.76 bar), 100 psi max in Canada
Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 to 132 VAC 60 Hz
Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
o
o
o
o
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 to 120 F (1 to 18 C)
Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 to 100% condensing allowed
Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wall mount with plug options, rated for indoor use only
Water Flows. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accurate over range of 0.5 to 23 gpm (1.9 to 87 L/pm)
Pressure Tank Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1/2 inch - 8 male
Brine Line Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4-inch NPT male
Distributor Tube Diameter Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13/16-inch (20.6-mm) OD
Distributor Tube Length. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1/4-inch (31.8-mm) higher than top of mineral tank
Standard Manifold Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/4-inch NPT inlet-outlet, 3/8-inch NPT drain
Optional Manifold Connections. . . .1-inch NPT inlet-outlet, 1/2-inch NPT drain; 3/4-inch BSPT inlet-outlet, 3/8-inch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BSPT drain; 1-inch BSPT inlet-outlet, 1/2-inch BSPT drain
Optional Bypass Valve. . . . . . . . .3/4-inch (19.1-mm) or 1-inch (25.4-mm) copper tailpiece, 1/2-inch NPT male drain
Valve Module, Tank Adapter, Optional Bypass Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Reinforced Noryl
Inlet-Outlet Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass or reinforced Noryl
Rubber Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Compounded for cold water service
Injector Size “A” White . . . . . . . . . . . . . Nozzle 0.042-inch (1.1-mm) diameter, Throat 0.089-inch (2.3-mm) diameter
Injector Size “B” Blue . . . . . . . . . . . . . . Nozzle 0.052-inch (1.3-mm) diameter, Throat 0.099-inch (2.5-mm) diameter
Injector Size “C” Red. . . . . . . . . . . . . . . Nozzle 0.059-inch (1.5-mm) diameter, Throat 0.099-inch (2.5-mm) diameter
Backwash Controllers Available for
6-, 7-, 8-, 9-, 10-, 12- inch (15.2-, 17.8-, 20.3-, 22.9-,
25.4-, 30.5-cm) dia. mineral tanks
All are sized to flow 4.5 gpm/sq ft (183 L/min/m ) of bed area.
2
17
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Pressure Graphs
Bar
Tested with 3/4-inch Brass Manifold
Bar
Bar
18
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Control Valving Identification
Valve Disc Operation
Backwash/Drain (6)
Rinse Drain (5)
Bypass (4)
Outlet (3)
Inlet (2)
Brine (1)
Flow Diagrams
19
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Valve Body and Tank Adapter Module
Part
Part
No.
Code
No.
Description
Qty. Code
Description
Qty.
1
2
3
4
1000238 Valve Assembly w/o Flow Controls
1000824 Camshaft, Standard, One-Piece
1000827 Valve Cover, Black
1
1
1
1
9
Injector Cap with O-Ring
1
1000217 “A” Cap
1000218 “B” Cap
Brine Refill Flow Control Assembly:
1000221 .14 GPM
1000219 “C” Cap
10
11
12
13
14
15
16
1033784 Tank Adapter Assembly
1032416 Air Check Kit
1
1000222 .33 GPM
1000223 .40 GPM
1010429 O-Ring, 3-1/8 x 3-1/2 x 3/16 BN
1010428 O-Ring, 3/4 x 1 x 1/8 EP
1031402 Locking Bar: English Language
1006093 Screw, No. 8 x 9/16 inch
1001580 Spring, Valve Discs
Kits:
1
1
1
1
9
5
6
1000226 Screen/Cap Assembly with O-Ring
Drain Control Assembly with O-Rings:
1034162 No. 6 for 6-inch Diameter Tank
1000209 No. 7 for 7-inch Diameter Tank
1000210 No. 8 for 8-inch Diameter Tank
1000211 No. 9 for 9-inch Diameter Tank
1000212 No. 10 for 10-inch Diameter Tank
1000213 No. 12 for 12-inch Diameter Tank
1
1
17
18
19
20
*
1033066 New to Old Air Check Adapter
1001404 O-Ring Group: Tank Adapter
1040459 O-Ring Group: Piping Boss
1041010 13/16 Rubber Insert (Optional)
1000250 Valve Discs Replacement
1
1
7
8
1030502 Ball, Flow Control
Injector Assembly with O-Rings:
1032970 “A” Injector – White
1032971 “B” Injector – Blue
1032972 “C” Injector – Red
1
1
*Not Shown
22
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Meter Adapter, Bypass Valve, Piping Boss,
Inlet
Drain
Outlet
23
Part
No.
Part
No.
Code
Description
Qty. Code
Description
Qty.
Piping Boss
Bypass Valve
1
2
*
1040769 Bypass Assembly
1040524 Bypass Install Kit
1
1
1
Kit Piping Boss (includes hardware):
1
1040277 3/4-inch NPT, Brass
Tube and Pipe Adapters
1040278 1-inch NPT, Brass
1040281 3/4-inch BSPT, Brass
1040282 1-inch BSPT, Brass
1040279 3/4-inch NPT, Noryl
1040280 1-inch NPT, Noryl
1040283 3/4-inch BSPT, Noryl
1040284 1-inch BSPT, Noryl
1040339 Piping Boss Install Kit
1001606 3/4-inch Copper Tube Adapter Kit
1001670 1-inch Copper Tube Adapter Kit
1001608 22-mm Copper Tube Adapter Kit
1001609 28-mm Copper Tu be Adapter Kit
1001613 3/4-inch CPVC Tube Adapter Kit
1001614 1-inch CPVC Tube Adapter Kit
1001615 25-mm CPVC Tube Adapter Kit
1001769 3/4-inch NPT Plastic Pipe Adapter Kit
1001603 1-inch NPT Plastic Pipe Adapter Kit
1001604 3/4-inch BSPT Plastic Pipe Adapter Kit
1001605 1-inch BSPT Plastic Pipe Adapter Kit
1001611 3/4-inch BSPT Brass Pipe Adapter Kit
1001610 1-inch NPT Brass Pipe Adapter Kit
1001612 1-inch BSPT Brass Pipe Adapter Kit
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
960 Control
3
960 Electronic Timer
Wall-Mount Transformer
4
Wall-Mount Transformer
1000810 100V Japanese Plug
1000811 120V North American Plug
1000812 220V Australian Plug
1000813 220V British Plug
Meter Adapter
1
2
1032350 Kit, Meter Adapter
1032351 Meter Adapter Installation Kit
1
1
1000814 220V European Plug
*Not shown
Splicing the Low Voltage
Transformer Cord
1. Strip insulation from wire 5/16 inch (8 mm) from wire
end.
2. Insert stripped wire into barrel of connector and
crimp. For best results, crimp twice per wire as
shown in Figure 19.
Splice Connector (22-18 AWG)
Splice connectors or extension wire is not supplied.
They are available at hardware or electrical stores.
50 feet maximum (15.2 m) 18 AWG solid or
stranded insulated copper wire
Figure 19
24
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Troubleshooting
Alarms
The Model 960 continuously monitors itself and sounds
an alarm if it detects something wrong. The alarm is a
beep that is on for one second and then off for nine
seconds. When the alarm sounds, the display shows
the letters “Err” with a number from 1 to 4. Table 5 lists
Err numbers, a description of each error, the cause of
the error, and the solutions. To silence the alarm, press
any button on the control. If the error still exists, the
control will go back to the alarm condition after
30 seconds.
Table 5 Model 960 Alarms
Indication
Err1
Description
Electronics failure
Cause
Control settings need
reprogramming.
Solution
Press any key to load default values.
Refer to “Programming the Model 960
Control”
Err2
Err3
Home switch closed
when it should be open.
Camshaft has been
manually rotated during a
regeneration.
Faulty motor.
Faulty motor drive.
Faulty switch.
Camshaft has been
manually rotated out of
“Regeneration Complete”
position.
Press any key to silence the alarm.
(Note: Alarm automatically clears at
“TIME OF REGEN.”)
Replace control.
Replace control.
Replace control.
Home switch open when
it should be closed.
The control will turn the motor on and
drive the camshaft to the proper
location.
Faulty motor.
Faulty motor drive.
Faulty switch.
Replace control.
Replace control.
Replace control.
Err4
Improper control settings One or more settings out of Hardness: Adjust range: 3 to 250
.
the allowable range.
grains per gallon (30 to 2500 mg/L).
Capacity: Adjust range: 0.1 to 140.0
kilograins (.01 to 14 kilograms).
Refill control: Adjust range: 1 to 99
Brine draw value: Adjust range per
Table 4.
The water conditioning system is designed and
manufactured for efficient, low maintenance service.
However, if problems do occur, this section provides a
list of possible causes and solutions. The control is
easily serviced. The control module can be quickly
replaced or adjustments can be made at installation.
Refer to the exploded views of the Replacement Parts
section of this manual for specific parts.
IMPORTANT: Service procedures that require the
water pressure to be removed from the system are
marked with a ! after the possible cause. To remove
water pressure from the system, put the bypass valve
or three-valve bypass into the bypass position and
open the backwash drain valve (the sixth valve back
from the control) with a screwdriver, see Figure 11.
Restore system water pressure when the service work
is completed.
Refer to Table 6 to identify the cause of a problem.
25
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Table 6 - Troubleshooting Procedures
Possible Cause
Problem
Solution
1. Capacity display stays
at 9999 even though
there is water usage.
a. Total system capacity was
calculated to be a value greater than
9999.
a. As the water usage continues, the
remaining capacity will drop below
9999 and then other values will be
shown.
2. Timer beeps when left
arrow button is
pressed.
a. Button is only active in the
programming mode.
a. Refer to the Programming the Control
section.
3. Timer does not
respond to REGEN
button.
a. Button is not active in the
programming mode.
a. Refer to the Regeneration section.
4. Timer does not display
time of day.
a. Transformer unplugged.
b. No electric power at outlet.
c. Defective transformer.
a. Connect power.
b. Repair outlet or use working outlet.
c. Replace transformer.
d. Defective circuit board.
a. Outlet operated by a switch.
b. Power outages.
d. Replace control.
5. Timer does not display
correct time of day.
a. Use outlet not controlled by switch.
b. Reset Time of Day.
6. No water flow display
when water is flowing
(colon does not blink).
a. Bypass valve in bypass position.
a. Shift bypass valve into service
position.
b. Meter probe disconnected or not
fully connected to meter housing.
b. Fully insert probe into meter housing.
c. Restricted meter turbine rotation
c. Remove meter housing, free up turbine
and flush with clean water. Turbine
should spin freely. If not, refer to the
Water Meter Maintenance section.
due to foreign material in meter !
d. Defective meter probe.
e. Defective circuit board.
d. Replace control.
e. Replace control.
7. Control display is
frozen at Regen Time
Remaining.
a. Back to back regenerations were
requested.
a. Refer to the Manual Regeneration
section.
8. Control regenerates at
the wrong time of day.
a. Power outages.
a. Reset time of day to correct time of
day.
b. Time of day set incorrectly.
b. Reset time of day to correct time of
day.
c. Time of regeneration set incorrectly.
a. Motor not operating.
c. Reset time of regeneration.
a. Replace control.
9. Timer stalled in
regeneration cycle.
b. Motor runs backwards.
b. Replace control.
c. No electric power at outlet.
d. Incorrect voltage or frequency (Hz).
c. Repair outlet or use working outlet.
d. Replace timer and/or transformer with
one of correct voltage and frequency
(Hz).
e. Broken gear.
e. Replace control.
f. Replace control.
f. Defective switch.
g. Air leak in brine connections
(pressure locked flapper).
g. Check all junction points and make
appropriate corrections.
h. Binding of camshaft.
h. Remove foreign object obstruction
from valve discs or camshaft.
i. Water pressure greater than
125 psi during regeneration.
i. Install pressure regulator to reduce
pressure.
j. Defective circuit board.
j. Replace control.
26
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Table 6 - Troubleshooting Procedures
Possible Cause
Problem
10. Continuous
Solution
a. Broken projection on drive gear.
b. Defective switch.
a. Replace control.
b. Replace control.
regeneration.
Camshaft does not
stop at the end of
regeneration.
11. Control does not
regenerate
a. Transformer unplugged.
b. No electric power at outlet.
c. Defective motor.
a. Connect power.
b. Repair outlet or use working outlet.
c. Replace control.
automatically or when
REGEN button is
depressed.
d. Broken gear.
d. Replace control.
e. Binding in gear train.
f. Defective switch.
e. Replace control.
f. Replace control.
12. Control does not
regenerate
a. If water flow display is not operative,
refer to item 5 in this table.
a. Refer to item 5 in this table.
automatically but does
regenerate when
REGEN button is
depressed.
b. Incorrect hardness and capacity
settings.
b. Set new control values. Refer to the
Programming section.
c. Defective circuit board.
c. Replace control.
13. Run out of soft water
between
a. Improper regeneration.
a. Repeat regeneration making certain
that correct salt dosage is used.
regenerations.
b. Fouled resin bed.
b. Use resin cleaner.
c. Incorrect salt setting.
c. Set salt control to proper level. Refer to
the Programming section in this
manual.
d. Incorrect hardness or capacity
settings.
d. Set to correct values. Refer to the
Programming section of this manual.
e. Water hardness has increased.
e. Set to correct value. Refer to the
Programming section in this manual.
f. Restricted meter turbine rotation
due to foreign material in meter
housing !
f. Remove meter housing, free up
turbine, and flush with clean water.
Turbine should spin freely; if not,
replace meter.
g. Excessive water usage below
1/5 gallon per minute.
g. Repair leaky plumbing and/or fixtures.
14. Control does not draw
brine.
a. Low water pressure.
a. Increase water pressure.
b. Remove restriction.
b. Restricted drain line.
c. Injector or injector screen plugged !
c. Clean injector and screen. Refer to the
Cleaning the Injector/Injector Screen
section in this manual.
d. Injector defective !
d. Replace injector and cap.
e. Valve disc 2 and/or 3 not closed.
e. Manually operate valve stem to flush
out foreign matter holding disc open.
Replace if needed.
f. Air check valve prematurely closed.
f. Briefly put control into brine refill
status. Refer to the Manual
Regeneration section in this manual.
Replace or repair air check valve if
needed.
27
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Table 6 - Troubleshooting Procedures
Possible Cause
Problem
Solution
15. Brine tank overflow.
a. Brine valve disc 1 held open.
a. Manually operate valve stem to flush
out foreign matter holding disc open.
b. Valve disc 2 not closed during brine
draw, causing brine refill.
b. Manually operate valve stem to flush
out foreign matter holding disc open.
c. Air leak in brine line to air check.
c. Check all connections in brine line for
leaks.
d. Salt setting too high.
d. Set in new values. Refer to
Programming section in this manual.
16. System using more or
less salt than salt
setting.
a. Inaccurate setting.
a. Correct salt setting. Refer to the
Programming section in this manual.
b. Foreign matter in salt controller
causing incorrect flow rate.
b. Manually position control to BRINE/
SLOW RINSE to clean controller.
c. Defective circuit board.
a. Low water pressure.
c. Replace control.
17. Intermittent or irregular
brine draw.
a. Increase water pressure (20 psi at
conditioner).
b. Defective injector !
a. Unit did not regenerate.
b. No salt in brine tank.
c. Plugged injector !
b. Replace both injector and injector cap.
a. Check for power.
18. No conditioned water
after regeneration.
b. Add salt to brine tank.
c. Remove injector and flush it and
injector screen.
d. Air check valve closed prematurely.
d. Put control momentarily into REFILL to
free air check. Replace or repair air
check if needed. Refer to instructions.
19. Control backwashes at
excessively low or high
rate.
a. Incorrect backwash controller !
a. Replace with correct size controller.
b. Remove and clean controller and ball.
b. Foreign matter affecting controller
operation !
20. Flowing or dripping
water at drain line or
brine line after
a. Drain valve (5 or 6) or brine valve (1)
held open by foreign matter.
a. Manually operate valve stem to flush
out foreign matter holding disc open.
b. Weak valve stem return spring on
top plate.
b. Replace spring.
regeneration.
c. Resin in valve.
c. Clean valve and backwash control.
21. Hard water leakage
during service.
a. Improper regeneration.
a. Repeat regeneration making sure that
the correct salt dosage is used.
b. Leaking of bypass valve !
b. Replace O-ring.
c. Replace O-ring.
c. O-ring around riser tube
damaged !
© Copyright 2000, 1999, 1997 Osmonics, Inc.
Printed in the USA P/N 1017933 Rev. C
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