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Part II: Trouble-Shoot Guide
For Newly Installed RO System
After installation, if you encounter any of the problems described below, please follow this guide to trouble-
shoot. In most cases, the problem is quickly solved by following this guide.
Non-Pumped RO HEAD DIAGRAM
ROES System’s Head Points Identification:
Point A
: Feed water inlet into Stage-1 filter (red tubing)
Point B
: Stage-3 filter’s
output
port
Point C
: Automatic-Shut-Off (ASO) valve.
Point D
: Stage-4 Membrane housing
inlet
port. Feed water from stage-3 filter enters the Membrane at
this port.
Point E:
Check Valve. The filtered water from the Membrane passes through this Check Valve
before entering the storage tank. The Check Valve blocks the tank water from back-flowing into
the membrane.
Point F:
T-fitting on Stage-5 filter. This end of the T-fitting connects to the CLEAR pure water line.
Point G:
T-fitting on the Stage-5 filter. This other end of the T-fitting connects to the YELLOW pure water
line which goes to the tank’s valve.
Point H
: The
output end
of Stage-5 filter. Pure water leaves Stage-5 filter via this port, and flows onto the
dispensing faucet.
Point W
: Connect to drain water pipe.
Fig. 16
