4 FILTER INSTALLATION AND USER GUIDE BARRIE • ONTARIO • CANADA 705.733.8900 WWW.EXCALIBURWATER.COM System Drawing Plumbing • The system must be close to drain as much as possible. • The unit including the drain must be located in a room temperature above 33° F. • The bypass valves must be installed on the control valves. • The primer, solder or solder flux must not get on the O-rings. • After soldering the lines must be cooled before installing the O-Rings, nuts and caps. • If the electrical system is grounded to the plumbing than copper strap must be connected between inlet and outlet as shown in figure above. • The plumbing must be done by following the local plumbing codes. • If vacuum occurrence is expected, then install the vacuum breaker at the inlet of control valve. Drain Line • Leave minimum of 6” gap between flow control fitting and solder joints. The gap less than this can damage the flow control. • Use 7/8” outer diameter tubing for drain line according to the specifications. • If the drain line is elevated and then emptied into the drain below the level the of control valve the 7” loop should make at the end of drain line. • The air gap between the drain and the end of the drain line must be twice the diameter of the tube. • The strap must be tied at the end to secure the line.
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