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9

 Pool Base Install
 Finish pool base even with upper edge of MDX-R3 sump (Fig. 1).

Liner Install
1.   Make sure bottom gasket is in place before installing liner.
2.  Set liner in pool and draw tight with vacuum.
3.  Install top gasket, seal ring and 12 screws.
4.   Cut out liner inside of sump. Be sure to trim liner right up to the inside diameter of seal ring.

Assemble the Drain PRIOR to Adding Water
1.  Remove 4” pressure plug (#10).
2.   Install funnel assembly (#3) onto sump (#9) and secure with 4 (four) security screws (#2) with 

screw driver security T25 (#24).

3.   Install the cover (#1) onto the funnel assembly (#3) and secure with 3 (three) security screws (#2).

1.    Select the installation location for the SDX2 

drain (Additional SDX2 drains may be used.)

2.    For Steel Wall: Make one 4½” hole using 

a Greenlee® Standard Round Knockout 
Punch (Greenlee.com - Cat No. 742BB / 
UPC No. 19978)  
For Plastic Wall: Cut one 4½” hole using 
a 4½” hole saw. 
For Concrete Wall: Embed one SDX2 
Bulkhead fitting.  Protect vinyl liner mounting 
surface from concrete and align the back of 
the flange with the interior surface to allow 
room for rolled foam around the fitting.

3.    Install the SDX2 Bulkhead Fittings with the 

“UP” arrow located at the top. (Fig. 3)

   

a.    Discard the Solid Gasket used for 

fiberglass shells.

   

b.   Mount the SDX2 Bulkhead 

Fittings in the wall with the UP 
arrows at the top.

   

c.   Secure with the SDX2 Nut. (Not 

needed for concrete walls.)

4.    Connect the pipe to the secondary outlet of 

the MDX-R3.

MDX-R3 VINYL INSTALLATION

SDX2 VINYL INSTALLATION

Fig. 3

UP Arrow

Vinyl Liner

Summary of Contents for MDX-R3

Page 1: ...CIAL INSTRUCTIONS FOR CALIFORNIA ON PAGE 7 Safety compliant according to the Virginia Graeme Baker Pool and Spa Safety Act ANSI APSP 16 2011 Compliant with ANSI APSP 7 2006 WARNING MDX R3 and SDX2 mus...

Page 2: ...perly secured or missing because these conditions increase the chance of death or serious injury from entrapment If a drain cover is discovered damaged cracked broken loose clogged not properly secure...

Page 3: ...ety begins with a professional design that includes a quality suction system installed by a certified contractor Certified builders will address the following issues when designing and installing a pr...

Page 4: ...aining 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 MDX R3 VGB COMPLIANT DEBRIS DRAIN STANDARD POOL DESIGN...

Page 5: ...STER AND MV FUSE MV FUSE DECK SIDE SDX2 2ND SUCTION OUTLET 2 1 2 2 1 2 ENLARGED SUCTION ELEMENT IF NOT USING HYDROSTAT PLUG 2 PORT TRUNK LINE MUST BE SIZED TO MEET MAXIMUM VELOCITY REQUIREMENTS FOR SU...

Page 6: ...PER LOCAL CODE TO PUMP TO PUMP TRUNK LINE MUST BE SIZED TO MEET MAXIMUM VELOCITY REQUIREMENTS FOR SUCTION PLUMBING PER LOCAL CODE 2 1 2 OR 3 ENLARGED SUCTION ELEMENT METHOD 2 WITH DECK FUSE IF NOT USI...

Page 7: ...OR SUCTION PLUMBING PER LOCAL CODE TO PUMP EQUAL SIZE AND LENGTH FROM TEE TO EACH DRAIN SDX2 2ND SUCTION OUTLET CALIFORNIA INSTALLATION METHOD 1 WITH CANISTER WITHOUT MV FUSE IF NOT USING HYDROSTAT PL...

Page 8: ...aramount recommends the use of the 2 thread plug provided Do not use check valves here that are prone to sticking open causing the need to open the drain cover exposing a suction risk If a hydrostat i...

Page 9: ...location for the SDX2 drain Additional SDX2 drains may be used 2 For Steel Wall Make one 4 hole using a Greenlee Standard Round Knockout Punch Greenlee com Cat No 742BB UPC No 19978 For Plastic Wall...

Page 10: ...s without over tightening Fig 4 Fig 5 WITH CANISTER If vacuum relief suction outlets are located below freeze line skip steps 1 and 2 1 Remove grate from wall drain and install a 13 blow through plug...

Page 11: ...11...

Page 12: ...ug 4 with O Ring 11 2 Pipe Not Included Cap If Not Used 12 2 Cap Not Included Cap If Not Used 13 005 252 5524 00 Enlarged Suction Element 14 005 252 2550 00 Coupler Reducer 4 X 2 3 005 272 0841 00 Scr...

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