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PREINSTALLATION INSTRUCTIONS:
The manufacturer has preassembled the cartridge filter tank. The actual cartridge filter is shipped
separately and will need to be installed into the tank to complete assembly.
The dealer should read this complete guide to familiarize the installer with assembly, installation and
operation of the cartridge filter system.
The site selection for the ONE™ Filtration System may vary depending on the purpose it will serve.
This versatile filter may be used as pre- or post-filtration in a water treatment system. Depending on the
application, this system can also be utilized as a single tank system.
Regardless of application, provisions should be made so that the system is located close to a drain.
An optional bottom drain is available for these cartridge filter systems to allow rinsing of the cartridge.
When replacing the cartridge, water may spill from the housing; therefore, precautions should be taken
to prevent any damage due to water while rinsing or replacing the cartridge.
For the owner, please read operating and cartridge replacement change out instructions.
BYPASS INSTALLATION FOR EF-835-1:
The bypass valve is typically used to isolate the filter from the plumbing system's water pressure in order
to perform repairs or maintenance. The 1" full flow bypass valve incorporates four positions, including a
diagnostic position that allows a service technician to have pressure to test a system while still providing
untreated water to the building. Be sure to install bypass valve onto the head assembly before beginning
plumbing. Or, make provisions in the plumbing system for a bypass. The bypass body and rotors are
glass-filled Noryl
and the nuts and caps are glass-filled polypropylene. All seals are self-lubricating EPDM
®
to help prevent valve seizing after long periods of non-use. Internal O-rings can easily
be replaced if service is required.
The bypass consists of two interchangeable plug valves that are operated independently by red arrow
shaped handles. The handles identify the direction of flow. The plug valves enable the bypass valve to
operate in four positions.
1. NORMAL OPERATION POSITION: The inlet and outlet handles point in the direction of flow,
indicated by the engraved arrows on the control valve (Fig. 1, page 4).
2. BYPASS POSITION: The inlet and outlet handles point to the center of the bypass. The system is
isolated from the water pressure in the plumbing system. Untreated water is supplied to the building
(Fig. 2, page 4).
3. DIAGNOSTIC POSITION: The inlet handle points toward the control valve and the outlet handle
points to the center of bypass valve. Untreated supply water is allowed to flow to the system and to
the building, while not allowing water to exit from the system to the building (Fig. 3, page 4).
3
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