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Mechanical Requirements
IMPORTANT:
Plumbing must be installed in accordance with the
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International Plumbing Code and any local codes and
ordinances.
Do not use petroleum based lubricants, oils, or
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hydrocarbon based lubricants. Use only 100% silicone
lubricants.
All plastic connections should be hand tightened.
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Thread seal tape may be used on connections where
o-ring seal is not used.
NOTE: Do not use pliers or pipe wrenches to tighten
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the plastic connections.
Soldering near the drain line must be done before
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connecting the drain line to the valve. Excessive heat
will cause interior damage to the valve.
Refer to the drain line requirements.
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Do not use lead based solder for sweat solder
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connections.
The drain line must be a minimum of 1/2" (1.27 cm)
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diameter. Use 3/4" (1.9 cm) pipe if the backwash flow
rate is greater than 7 gpm (26.5 Lpm) or the pipe
length is greater than 20 feet (6 m).
Do not support the weight of the system on the control
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valve fittings, plumbing, or the bypass.
It is not recommended to use sealants on the threads.
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Use thread seal tape on the threads of the 1" (2.54
cm) NPT elbow, drain line connections, and other NPT
threads.
Install appropriate grounding strap across the inlet and
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outlet metal piping of the water treatment system to
ensure that a proper ground is maintained.
If the plumbing to the water treatment system is metal,
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a ground strap must be installed.
General Requirements
WARNING
Excessive Weight Hazard
Use two or more people to move and install water
treatment system.
Failure to do so can result in back or other injury.
IMPORTANT: Make sure that the valve and tank compo-
nents of this unit have been assembled and tightened to
the proper factory torque specifications. Over tightening
can cause improper valve and tank alignment and can
damage the tank O-ring (P/N V3180).
Keep the mineral tank in the upright position. Do not
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turn upside down or drop. Turning the tank upside
down will cause media to enter the valve.
Do not allow the water system to freeze. Damage from
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freezing will void this water system's warranty.
Operating ambient temperature: 34°F - 120°F (1°C -
■
49°C).
Operating water temperature: 35°F - 100°F (1.7°C -
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37.8°C).
Working water pressure range: 20 psi - 120 psi (1.38
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bar - 8.27 bar).
Use only regenerant designed for water softening. Do
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not use ice melting salt, block salt or rock salt.
When filling mineral tank, do not open water valve
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completely. Fill tank slowly to avoid media from exiting
the tank.
When installing the water connection (bypass or
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plumbing adapters) connect to the plumbing system
first. Allow heated parts to cool and cemented parts
to set before installing any plastic parts. Do not get
primer or solvent on o-rings, nuts, or the valve.
EQUIPMENT INSTALLATION
NOTE: Before turning on the water.
If the plumbing to the water treatment system is metal,
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a ground strap must be installed.
The plumbing must be self-supporting and secure
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to avoid movement. A piece of metal or a ground
strap is secured to both the inlet and outlet pipes.
(See Figure 10)
IMPORTANT: The inlet water must be connected to the
inlet port of the valve. When replacing an existing system,
it is possible that the inlet and outlet get exchanged or
plumbing to be installed in an opposite order. Do not
solder pipes with lead-based solder.
IMPORTANT: Do not use tools to tighten plastic fittings.
Over time, stress can cause break of the connections.
When the bypass is used, only hand tighten the nuts.
Figure 10
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