20
Use
Wrench
3rd
Stage
2nd
Stage
1st
Stage
STEP1
STEP2
W
3) Discard 3 used filters, wash housings with mild soap, rinse off. Put 3 new filters into their respective
housings: sediment filter in stage-1, carbon block filters in stages 2 & 3.
4) Close up the housings. Make sure each housing has a
black O-ring
in the thread groves. First hand
tighten the housing, then use filter wrench to fully tighten each housing.
5)
Turn ON
the cold water supply with the tank ball valve
CLOSED
with RO faucet lever turned on. Please
let purified water flow run for 10-15 minutes to a normal water stream to relieve built-up pressure inside
the RO unit then
turn OFF
the RO faucet lever and
OPEN
the tank ball valve.
6 )
Turn OFF
the RO faucet lever and
OPEN
the tank ball valve.
7) Check for leaks!
How to Replace Stage-4 Membrane:
1) Turn OFF the cold water supply to RO system. Turn OFF tank ball-valve. Lift up RO faucet lever briefly to
relief the built-up pressure inside the RO system. This will make opening the housings easier.
2) See
Fig.15C Page 21.
Locate the Membrane housing on the system (labeled “Membrane”). Remove
the WHITE tubing from the housing’s cap at
point D
. To remove tubing, Push In and Hold Down on the
collet ring square against the fitting. With the collet held in this position the tube can be removed. Open
up the cap (turn counter-clockwise) See
Fig.15A
. Using a plier, remove the used membrane for dispos-
al.
3) Once the membrane is removed, please tilt the RO system at an angle to drain out residual water from
inside the membrane housing and insert the new membrane using a plier. Push membrane into housing.
Avoid touching the Membrane with your hands to prevent contamination!
4)
Important!
Make sure the “double-ring” end of the membrane goes into the housing first as shown in
Fig.15B
. The membrane cannot filter water if it’s inserted in the WRONG direction!
Add a little bit lubricant on double o-rings.
Turn counter-clockwise to
open the membrane
housing cap.
Fig. 15A
Fig. 15B
After taking the housing off, take out the dirty filters and
put the new 3 pre-filters in. Remember, Stage 2 and
Stage 3 are the same carbon filters.
Fig. 15
