Hydrotech PURA Max and Max Plus Point-of-Use Cooler 1240 Reverse Osmosis Unit Installation Manual - Manual (Page 2)

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4. Attach the end of the ¼” feed line that was inserted in step 2 into the open fitting on the bottom right side
of the leak detector.
5. Attach the ¼” elbow to the inlet port of the RO. Insert the end of the ¼” line from the leak detector,
labeled “To Filter”, into the ¼” elbow inlet of the RO. Install safety clips to the elbow in figure 2.
6. Attach the cold water tank ¼” supply tubing, labeled “From Filtration”, (furnished with the unit) to the ¼”
port of the quick connect adapter (Adapter, QC, ¼” X 3/8”). Attach a white 3/8” tubing to the other end of
the adapter and insert the 3/8” tubing to the 3/8” elbow. Attach the 3/8” elbow to the faucet connection of
the RO. Install safety clips to the elbows. Please refer to figure 3.
7. Attach the ¼” quick connect elbow to the drain port of the RO and insert the flow control tubing to this
elbow. Please refer to picture 3 shown. The flow control tubing can be extended with the help of ¼” X ¼”
adapter and ¼” red tubing supplied. The drain line can be attached to the drain line through the AirGap™
or drain saddle. Please refer to the 1240 RO manual for details. The installation of saddle-tapping drain
connections may be prohibited in certain local plumbing codes.
8. The tank port on the 1240 RO needs to be remained plugged. Please see the figure 3 for details.
9. Mount the RO on the screws attach to the bracket inside the cooler. See figure 4.
10. A ¼” shut off valve can be attached to the feed water line.
11. Follow the steps 9 to 19 given in the page 8 of the PURA Max or Max Plus manual (54754).
Figure 3
¼” Elbow
Drain Port
Faucet Port
Tank Port
(remain plugged)
3/8” Elbow
¼” Tubing from
the Cooler
Flow Control
Drain Tubing
Adapter ¼” x 3/8”
Figure 2
Figure 4