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5
Quad D.E.
®
Filter Installation and User’s Guide
Section 3
Filter Operation
This section describes how the Quad D.E.
®
operates.
General Filter Information
WARNING — THIS FILTER OPERATES UNDER HIGH PRESSURE. When any part of the circulating system,
(e.g., clamp, pump, filter, valve(s), etc.), is serviced, air can enter the system and become pressurized.
Pressurized air can cause the lid to be blown off which can result in severe injury, death, or property
damage. To avoid this potential hazard, follow these instructions:
1. Before repositioning valve(s) and before beginning the assembly, disassembly, or adjustment
of the clamp or any other service of the circulating system: (A) Turn the pump OFF and shut OFF
any automatic controls to ensure the system is NOT inadvertently started during the servicing;
(B) open the High Flow™ manual air relief valve; (C) wait until all pressure is relieved.
2. Whenever installing the filter clamp FOLLOW THE FILTER CLAMP INSTALLATION
INSTRUCTIONS EXACTLY.
3. Once service on the circulating system is complete FOLLOW SYSTEM RESTART
INSTRUCTIONS EXACTLY.
4. Maintain circulation system properly. Replace worn or damaged parts immediately, (e.g., clamp,
pressure gauge, valve(s), o-rings, etc).
5. Be sure that the filter is properly mounted and positioned according to instructions provided.
1. This filter operates under pressure. When clamped properly and operated without air in the water system,
this filter will operate in a safe manner.
2. The maximum working pressure of this filter is 50 psi. Never subject this filter to pressure in excess of this
amount - even when conducting hydrostatic pressure tests. Pressures above 50 psi can cause the lid to be
blown off, which can result in severe injury, death or property damage.
When performing hydrostatic pressure tests or when testing for external leaks of the completed filtration
and plumbing system, ensure that the Maximum Pressure that the filtration system will be subjected to
DOES NOT EXCEED THE MAXIMUM WORKING PRESSURE OF ANY OF THE COMPONENTS
CONTAINED WITHIN THE SYSTEM. In most cases, the maximum working pressure will be stated on
each component of the system.
If doubt exists as to the pressure to which the system will be subjected, install an ASME approved automatic
Pressure Relief or Pressure Regulator in the circulation system for the lowest working pressure of any of
the components in the system.
3. The pressure gauge is the primary indicator of how the filter is operating. Maintain your pressure gauge
in good working order.
4. Never operate filter in excess of three (3) minutes without use of diatomaceous earth. Diatomaceous earth
is the substance that filters the water, the filter cloth merely supports the diatomaceous earth. Operating
without diatomaceous earth will damage filter elements and shorten filtering cycles.