Installation 11
Cat. No. 01029401
Install Piping
1. Depending on the type of softener system (such as single, duplex, or triplex) and the installation parameters,
required pipe lengths and piping accessories will vary. See “Performance Specifications” on page 3 to aid
the installation. If the layout drawings are not sufficient for your application, consult the Culligan dealer for spe-
cific installation guidelines.
NOTE The use of unions and inlet and outlet isolation valves is REQUIRED to facilitate the servicing of the
system. It is also recommended a full flow by-pass line be provided.
2. Follow good plumbing practices for installation. These include:
a. Check threads and make certain that they are clean and free of foreign matter.
b. Fittings must be free of cracks or chips.
c. Prepare threads with either a pipe dope sealant or Teflon tape.
d. Make certain that the fittings are not cross threaded during the assembly process.
e. Do not over-tighten fitting or threaded pipe being inserted into a cast or forged part.
CAUTION! The media tank must never be subjected to an internal vacuum or it might be dam-
aged. Drain line suction can be prevented by installing siphon break. Refer to Figure
11 on page 14.
Use of Bypass Valve
Depending on where the particular installation was made, the outside sill cocks may or may not be served by conditioned
water. Ideally, all lines not requiring soft water should be taken off upstream of the softener. This is not always possible,
however, due to the difficulty or expense of rearranging the piping.
Bypass the softener if:
1. The outside lines do not bypass the water softener and the water is to be used for lawn sprinkling or other out-
side uses.
2. Water is not used for several days.
3. You wish to inspect or work on the valve or brine system.
4. A water leak from the valve is evident.
Three-Valve Bypass
To bypass, close the inlet and outlet valves, and open the bypass valve. Reverse the process to get soft water once again.
Be sure to close the bypass valve completely to avoid mixing hard water with soft water. (See Figure 9)
CAUTION! If the media tank is to remain attached to the control valve, close only the inlet valve,
then open the bypass valve. This will prevent pressure from increasing in the media
tank due to warming.
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