Installer Manual Foleo - Installation
Ref. MKT-IM-038 / C - 15.11.2019 27 / 112
4.3.4. Mechanical
CAUTION
Do not over-tighten the pipe to piping boss.
CAUTION
Do not put excessive force on the inlet, outlet or drain connections of the valve.
PROHIBITION
Use of silicone or petroleum-based lubricants, oils or hydrocarbon-based lubricants, is
strictly prohibited with Foleo 5800 XTR as the valve 5800 is equipped with silicone o-rings
that are not compatible with silicone based lubricant.
MANDATORY
Use only P-80
®
Emulsion lubricant (water based lubricant). Using another lubricant may
damage the valve.
• all plastic connections should be hand tightened. PTFE (plumber’s tape) may be used on
connections that do not use an o-ring seal. Do not use pliers or pipe wrenches;
• all plumbing must be completed according to local codes;
• soldering near the drain line should be done before connecting the drain line to the valve.
Excessive heat will cause interior damage to the valve;
• observe the drain line requirements:
maximum 1 m high at 2 bars inlet pressure. Add 50 cm for additional 1 bar at the softener’s inlet;
• do not use lead-based solder for sweat solder connections;
• the valve is designed for minor plumbing misalignments. Do not support the weight of the
system on the valve fittings, plumbing, or the bypass;
• it is not recommended to use sealants on the threads. Use PTFE (plumber’s tape) on the threads
of the 25.4 mm (1") NPT elbow, the drain line connections, and other NPT/BSP threads.
4.4. Integration constraints
Location of a water treatment system is important. The following conditions are required:
CAUTION
The surface for installation (platform or floor) must be solid, flat and level.
MANDATORY
Drain must be capable of handing a maximum backwash flow rate of 19 L/min.
• locate the softener as close as possible from drain discharge point and within 12.2 m maximum
of drain discharge point, respecting minimum drain line diameter advises given at chapter
4.5.7. Drain line connection, page 35;
• room to access equipment for maintenance and adding salt in the brine tank;
• constant electrical supply to operate the controller;
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