Paramount Fitness MDX-R3 Owner's Manual And Installation Manual page 5

These MDX-R3 instructions provide two methods to choose from, with additional methods for specific
jurisdictions, (California specifically but not limited to that state). Your local codes may require additional
safety measures. Paramount Pool & Spa Systems and its representatives cannot recommend or endorse
installation methods other than those provided in these MDX-R3 instructions.
MDXR3 is a blockable SOFA and must be installed only as a multiple SOFA system as described in this
installation manual.
WARNING
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). This VGBA
Suction outlet has an installation specific flow rating and this product
SHALL NOT be installed on a pumping system that is capable of exceeding this limit, which varies
NOTICE
based on the number and location of installed suction outlets. READ and FOLLOW the section
of the included installation instructions explaining how to calculate the suction system flow ratings
and that of the installed pumping system.
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.
NOTICE
NOTICE
A 3" pipe may be attached to the inside diameter of the enlarged suction element or a 4" x 13"
minimum length pipe directly to the drain socket for systems where the flow through the MDX-R3
is intended to exceed 90 GPM.
of the system is strongly encouraged for optimum performance.
Paramount Pool & Spa Systems includes the single piece enlarged suction element or the reducer
adapter and enlarged suction element with the MDX-R3. To order separately, please see parts
page for the part number.
MDX-R3 VGB COMPLIANT DEBRIS DRAIN
MDX-R3 VGB COMPLIANT DEBRIS DRAIN
STANDARD POOL DESIGN
SDX2
SDX2
SIZE TO MATCH
2 1/2" MINIMUM
CIRCULATION LINE
50mm OR LARGER
CIRCULATION LINE
PIPE DIAMETER MUST
BE THE SAME MINIMUM 2 1/2"
MDX-R3 SYSTEM DESIGN
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
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.
Plumbing of the included enlarged suction element to the
4" port of the MDX-R3 is required.
element, a reducer may then be used to reduce the pipe size to 2½".
Use of 2½" pipe minimum throughout the suction side
STANDARD POOL DESIGN
DUAL DRAIN
DUAL DRAIN
50mm OR
2 1/2" TEE MINIMUM ENLARGED SUCTION ELEMENT
LARGER TEE
2" OR LARGER
CIRCULATION LINE
SECOND DRAIN
ANY ORIENTATION
For technical assistance call 1.800.621.5886 or contact your regional representative
For technical assistance call 1.800.621.5886 or contact your regional representative
NOTICE
Design Flow Rate = 132 GPM (500 LPM)
Maximum GPM = 132 (500 LPM)
Design Flow Rate = 132 GPM (500 LPM)
Velocity at 132 GPM = 1.294 FPS (.39 MPS)
Maximum GPM (LPM) = 132 (500)
Velocity Through Cover
Opening at 132 GPM (500 LPM) = 1.294 FPS (.39 MPS)
NOTICE
exceed 6 ft./sec. per APSP-7-2006.
ENLARGED SUCTION ELEMENT
SECOND DRAIN
ANY ORIENTATION
5
5
After the enlarged suction
For your convenience,
NOTICE
Velocity in suction
plumbing must be
designed to not
NOTICE
Velocity in suction
plumbing must be
designed to not exceed 6
ft./sec. per APSP-7-2006.