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2) Water Treatment Process
Municipal Tap Water → PP Sediment Filter → GAC Filter → CTO Filter → RO Membrane →
Deionize Filter → Purified water
3) Operating Conditions
• Maximum water pressure: 70 psi, or a pressure regulator (part# APR70) is required if there is
high water pressure or water hammer.
• Minimum water pressure: 30 psi for model#RCC1DP, 45 psi for model#RCC1D, or an extra
booster pump is needed to improve RO efficiency
• Install this RO system where it is
protected from hot/cold weather and direct sunlight. Avoid
hitting, dropping, or dragging as they may cause cracks and leaks.
Understanding the Booster Pump and RO Process
1. Source water enters the system and passes through the stage 1, 2, and 3 pre-filters. Located
between the pre-filters is the Low-pressure
Switch. This switch turns on when the
incoming water pressure is 6 psi or greater.
2. The High-pressure Switch turns on
when the pressure in pure water line is below
20 psi, and turns off at 45 psi.
3. When the Low-pressure Switch and
High-pressure Switch are both on, the Feed
Water Solenoid Valve opens, allowing water
to the Booster Pump.
4. The source water passes through the
Booster Pump, bringing it to approximately
100 psi entering the membrane housing.
5. Coming out of the RO membrane is a
pure water port and wastewater port. The RO
water is forced through the .0001 micron-sized
holes of the RO membrane and exits through
the one-way Check Valve on the membrane's
pure water exit port. The water rejected by the
RO membrane exits through the wastewater
exit port. On the drain line before the
wastewater is dispo
sed of is the Flow
Restrictor, limiting the amount of drain water
allowed out to keep pressure in the system.
Maximum Inlet Water Pressure
Minimum Inlet Water Pressure
Model#RCC1D: 45 psi
Model#RCC1DP: 30 psi
Incoming Water Temperature
ASOF
PUMP
RO MEMBRANE
AS
CTO GAC SED
OW
AHP
Drain Saddle
Source
Water
Drain Water
Purified
High Pressure
Switch
Flow Restrictor
Auto Flush
Solenoid Valve
Feed Water Solenoid Valve
Low Pressure
Switch
Water
ALP
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