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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).

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.

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.

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.

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.

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:

1. Locate the fitting hole on the side of the brine tank.

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.

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.

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:

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.

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.

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.

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. 

Brine Tank

Overflow Fitting
Installed

Connect 1/2-in. (13 cm)
I.D. Tubing or Hose and Run
to Drain

Summary of Contents for Series 255

Page 1: ...Water Conditioning Control System Dealer Installation Operation and Maintenance Manual Series 255 Valve 960 Control...

Page 2: ...on Service 14 Removing the Control Preventive Maintenance 15 Injector Screen and Injector Water Meter Disinfection of Water Conditioners 16 Sodium Hypochlorite 5 25 Calcium Hypochlorite Specifications...

Page 3: ...ons 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...

Page 4: ...Five cycle operation provides for downflow conditioned water upflow backwash downflow brining and slow rinse downflow fast rinse and refill of the brine tank Valve discs are held closed by water press...

Page 5: ...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...

Page 6: ...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 Figure 6 Overflo...

Page 7: ...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 Regeneratio...

Page 8: ...and the control accepts the new setting After approximately 30 seconds the control starts alternating the display between Time of Day and Capacity Note If a beep sounds the new setting is not accepted...

Page 9: ...s Parameter Range of Values Minimum Increments Default Units of Measure Notes Name Description P1 Time of day AM or PM 1 00 to 12 59 00 00 to 23 59 1 None Hour minute Range depends on value selected f...

Page 10: ...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 bu...

Page 11: ...er for a 12 hour clock or enter 1 for a 24 hour clock P14 Calendar override 0 to 30 1 0 Days 0 no calendar override Skip this parameter for no calendar override or enter a value P15 Reserve type 0 to...

Page 12: ...e 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 Cap...

Page 13: ...options for this control fixed reserve and historical water usage pattern They are selected with Parameter P15 Fixed reserve When the fixed reserve is selected the control multiplies the maximum syste...

Page 14: ...g 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 camsh...

Page 15: ...crew 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 in...

Page 16: ...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 condition...

Page 17: ...let 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...

Page 18: ...18 Pressure Graphs Tested with 3 4 inch Brass Manifold Bar Bar Bar...

Page 19: ...19 Control Valving Identification Flow Diagrams Brine 1 Inlet 2 Bypass 4 Outlet 3 Rinse Drain 5 Backwash Drain 6 Valve Disc Operation...

Page 20: ...20...

Page 21: ......

Page 22: ...Ring 3 4 x 1 x 1 8 EP 1 6 Drain Control Assembly with O Rings 1 14 1031402 Locking Bar English Language 1 1034162 No 6 for 6 inch Diameter Tank 15 1006093 Screw No 8 x 9 16 inch 1 1000209 No 7 for 7 i...

Page 23: ...23 Meter Adapter Bypass Valve Piping Boss and Wall Mount Transformer Inlet Outlet Drain...

Page 24: ...1 1040280 1 inch NPT Noryl 1001613 3 4 inch CPVC Tube Adapter Kit 1 1040283 3 4 inch BSPT Noryl 1001614 1 inch CPVC Tube Adapter Kit 1 1040284 1 inch BSPT Noryl 1001615 25 mm CPVC Tube Adapter Kit 1 2...

Page 25: ...ve 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 compl...

Page 26: ...e meter probe e Defective circuit board a Shift bypass valve into service position b Fully insert probe into meter housing c Remove meter housing free up turbine and flush with clean water Turbine sho...

Page 27: ...ased f Restricted meter turbine rotation due to foreign material in meter housing g Excessive water usage below 1 5 gallon per minute a Repeat regeneration making certain that correct salt dosage is u...

Page 28: ...Replace both injector and injector cap 18 No conditioned water after regeneration a Unit did not regenerate b No salt in brine tank c Plugged injector d Air check valve closed prematurely a Check for...

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