THE ULTRA
®
SERIES USER MANUAL
THE CONSORTIUM OF GLOBAL H20 MANUFACTURERS
13
1.4 Cleaning of Front filtration system:
a. Keep pressing POWER to switch off power. Open front bottom cover
（
picture 1.4-1);
b. Pull out water outlet tubing from the outlet connector of 2nd stage filter;
（
picture 1.4-2
）
c. Pull out water inlet tubing from the inlet connector of 3rd stage filter;
（
picture 1.4-3
）
d. Connect the outlet of the 2nd stage filter to the inlet of the 3rd stage filter with the tubing;
（
picture 1.4-4
）
1.4-1
1.4-2
1.4-3
1.4-4
e. Pull out outlet tubing from the outlet of 3rd stage filter;
（
picture 1.4-5
）
f. Connect the outlet of the 3rd stage filter to a water tank with tubing;
（
picture 1.4-6
）
g. Pull out bottom tank
（
picture 1.4-7
），
remove filter cup
（
picture 1.4-8
）
，
and rinse the filter
cup with clean water. Replace the cup. Fill the bottom tank with city water;
h. Switch on power and start cleaning the filtration system. Keep checking the water level of
the bottom tank and fill with water until clean water comes out;
1.4-5
1.4-6
1.4-7
1.4-8
i. Replace all the parts to original positions
（
picture 1.4-9
）
making sure all connections are
tight to prevent leakage;
j. Disconnect the tubing from the RO inlet
（
picture 1.4-10
）
;
k. Remove RO cover
（
picture 1.4-11
）
;
l. Insert RO membrane into the cartridge
（
picture 1.4-12
）
. Pay attention to the inserted
directions.
1.4-9
1.4-10
1.4-11
1.4-12
m. Press the membrane to the end
（
picture 1.4-13
）；
n. Replace the cover and tubing
（
picture 1.4-14
）
;
o. Replace the front panel
（
picture 1.4-15
）
. Switch on the unit and start cleaning the RO
1
2
1
2
