ISpring CU-A4 4-Stage 0.01 micron High Capacity Premium Under Sink Drinking Water System, Tankless, Quick Filter Change, Chrome Faucet, White

User Manual - Page 3

For CU-A4.

PDF File Manual, 8 pages, Read Online | Download pdf file

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Ver 01.2019 page 2
Quick Tips
Inlet Water Valve in different sizes
Some homes may have either a 1 / 2 or 3 / 8 inch inlet water valve. The Feed Water Adapter (AFW43)
includes a reversible adapter to match either size. For any other size please get an adapter from your local
plumbing store or contact us. If drilling is necessary, make sure that no power or water lines are in the way.
Use of Quick-Fitting
a.1.1 Viewing from the open end, a quick-fitting starts with the Collet, Lock Clip (often in blue color), and
Fitting Body.
a.1.2 To connect, cut tubing evenly, remove the Lock Clip, push the tubing ½ inch into the quick-fitting,
and reinstall the Lock Clip. Pull on the tubing gently to make sure it is locked in.
a.1.3 To disconnect, remove the Lock Clip, and compress and hold down the Collet into the Fitting Body
to eliminate the gap where the locking clip was occupying, and simultaneously pull the tubing out.
*NOTE* Watch our YouTube video ‘iSpring RO Quick Fitting’
Drill a Hole on Sink or Countertop
a.2.1 Watch YouTube video “how to drill a hole in granite countertop”
a.2.2 Choose one inch Diamond hole saw for granite, and titanium drill bit for steel
a.2.3 Use a coolant to disperse heat. Choose water for granite, and oil for steel
a.2.4 Use a 1-1/2" Suction Base Drilling Ring to hold coolant and prevent drill bit from slipping on
the counter
a.2.5 Start slowly. Be cautious with the power drill that might slip and damage the counter surface.
a.2.6 Set variable speed power drill at 100 200 RPM. Do NOT use hammer drill on natural stone,
glass and ceramic.
a.2.7 Hold drill bit vertically and swirl a little to apply pressure evenly in a circular motion.
Be patient and deliberate. It can take 20 - 40 minutes to drill through one inch.
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