MDXR3 ANTI-ENTRAPMENT DEBRIS DRAIN
STANDARD POOL DESIGN, AUSTRALIA
DUAL DRAIN
SDX
SIZE TO MATCH
CIRCULATION LINE
SECOND DRAIN
ANY ORIENTATION
ENLARGED SUCTION
ELEMENT
50MM OR LARGER
CIRCULATION LINE
Design Flow Rate = 132 GPM (500 LPM)
Maximum GPM (LPM) = 132 (500)
Velocity at 132 GPM (500 LPM) = 1.294 FPS (.39 MPS)
0011 + 1 + 480.893.7607 or contact your
regional representative.
MDX-R3 SYSTEM DESIGN
These MDX-R3 instructions provide methods with or without skimmer to choose from. Your local codes may require
additional safety measures. Paramount Pool & Spa Systems and its representatives cannot recommend or endorse instal-
lation methods other than those provided in these MDX-R3 instructions.
Maximum Pump Size:
MDX-R3 is rated for a maximum of 132 GPM (500 LPM). While system flow rate will vary with
pump size and the Total Head Loss for a given system, virtually any modern pump is capable of
exceeding this limit, therefore it is the responsibility of the system designer to make sure it is not
possible to exceed 132 GPM (500 LPM).
NOTICE
In the event of one suction outlet being completely blocked, the remaining suction outlets serving that system shall have a
flow rating capable of the full flow of the pump(s) for the specific suction system.
MDX-R3 and SDX2 must be installed in accordance with Paramount’s written instruction
manual, and in conformity with applicable Federal, State, Local and Swimming pool industry
building and safety codes.
WARNING
Plumbing of the included enlarged suction element (13” of 4” pipe) to the 4" port
of the MDX-R3 is required.
After the enlarged suction element, the included reducer
adapter may then be used to reduce the pipe size to 2½”. A 3” coupler may be attached to
the outside diameter of the reducer or a 4” coupler directly to the enlarged suction element
for systems where the flow through the MDX-R3 is intended to exceed 90 GPM.
Use of 2½”
pipe minimum throughout the suction side of the system is strongly encouraged for
optimum performance.
For your convenience, Paramount Pool & Spa Systems includes the
enlarged suction element, and the reducer adapter with the MDX-R3. To order separately, please
see page 11 for the part number.
NOTICE
NOTICE
The use of two 45˚ in place of a 90˚ allows for the best debris removal and minimizes large
debris from getting caught in the line.
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