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3 - INSTALLATION
5. Connect the blue 3/8" product tubing by firmly pushing it into the connector.
6. Push the black 3/8" tubing onto the small hose barb. The red 1/2" tubing is pushed onto the large hose
barb.
7. Put the faucet into position.
8. The horseshoe clip is positioned around the threaded pipe
under the sink and above the standoff. This clip should
engage the tubing connected to the air gap.
9. Tighten the nut against the clip to hold the faucet in position.
Step 4: Make tubing connections
The connections to the faucet should be complete, the
remaining connections are:
• Feed connection-clear tubing from feed valve to white elbow
connector
• Drain connection-either red tubing from the air gap or black
tubing from grey elbow connector will attach to the drain
adapter
•Permeate connection-blue tubing from faucet to blue elbow
connection
• Attach the fittings to the manifold
A typical connection is shown in Figure 7: Side View and
Cutaway of Tubing Fitting.
NOTE: For optimal system performance, we recommend using
tubing lengths that are as short as possible.
Postfilter
Install the postfilter in line with the blue permeate tubing.
Make sure flow direction aligns with water path. Secure
tubing with collet lock clips.
Drain adapter (optional)
The drain adapter has a rubber inlet that accepts the 3/8"
black drain tube or the 1/2" red tube. The 3/8" black tubing will
connect here if the faucet is not using the air gap module.
When the tubing is in position, use the supplied hose clamps
to secure the connection.
NOTE: When sliding tubing into the drain adapter inlet, wet the
tubing. Water will help the tubing slide into the rubber
inlet.
Feed pressure gauge
The supplied pressure gauge can be connected to the feed
line to monitor system feed pressure. For proper system
performance, the dynamic feed pressure must be between
2.76 bar (40 psi) and 5.52 bar (80 psi) when the system is in
operation.
CAUTION:
The feed pressure gauge is intended for use only during installation and troubleshooting of the RO
system. The pressure gauge should be removed during normal system operation because some
regulatory agencies did not evaluate the RO system with the feed pressure gauge in place.
Step 5: Install RO assembly
The RO assembly includes the following components: sumps (3), support leg, prefilter, RO membrane
elements (2), and postfilter. The tubing is attached to the manifold by the elbow connectors. When choosing
a location for the system, allow enough tubing for it to be moved for periodic servicing of the filters and
membrane elements (Figure 8: RO assembly).
Side View and Cutaway of Tubing Fitting
7
Collet
Lock Clip
Tubing
Note: Make sure the tubing is pushed past the
O-rings for a secure fit. Also, when replacing
any tubing, cut tubing back 1/4" prior to
re-inserting to prevent leaks.
RO Assembly
8
Elbow
Connectors
Manifold
11
Collet O-ring
O-ring
Support Leg
Prefilter
Sumps
RO
Membranes
E
N
G
L
I
S
H
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