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Flow Control; Tubing Connection - Whirlpool WHER12 Installation And Operation Manual

Reverse osmosis drinking water system
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Flow Control
The flow control is vital for proper operation of the RO membrane cartridge. The control keeps water
flow through the membrane at the needed rate to obtain the best quality product water.
Periodically
check the flow control to be sure the small hole through it is clean and unrestricted.
o-ring seal
_co
et
/
drain port
tow (contro!)
insert
1/4" tubing
to drain
Figure
11
Tubing Connection
(all push-in
fitting
locations)
This RO system includes push-in fittings for quick tubing connection.
If working with the fittings, do
the following.
Connect Tubing:
1.
Use a utility knifc to cut the end of tubing square.
2.
Inspect the end (about 1") of the tubing to be sure there are no nicks, scratches or other rough spots.
If needed, cut the tubing again.
3.
Push tubing through the collet and all the way into fitting. Full engagement
is 11/16" for 1/4"
tubing, and 3/4" for 3/8" tubing.
If using tubing other than tubing supplied with the system, be sure it is of high quality, exact size and
roundness
with a smooth surface.
To Disconnect
Tubing:
1.
Push the collet inward and hold with a finger while pulling the tubing out.
A - Tubing correctly cut and connected
cut tubing square
I
,
-]
I
I
I
end of tubing round and
smooth,
with no cuts,
nicks or fiat spots
collet --.__
_
Jl 1 /16" (1/4" tubing)
engagement-i_
[_3/4"
(3/8" tubing)
B - Replacing collet and o-ring seal
collet (depress
to
remove tub_g)
tubing
Push o-ring seal in to
bottom of port, then
tk)llow with collet.
fitting
_o-ring
seal
collet
Figure
12
18

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