LG LFX21970 Series User Manual page 31

INSTALLATION INSTRUCTIONS
(CONTINUED)
4. FASTEN THE SHUTOFF VALVE
Fasten the shutoff valve to the cold water pipe with
the pipe clamp.
Pipe Clamp
Saddle-Type
Shutoff Valve
NOTE: Commonwealth of Massachusetts Plumbing
Codes 248CMR shall be adhered to. Saddle valves
are illegal and use is not permitted in Massachusetts.
Consult with your licensed plumber.
5. TIGHTEN THE PIPE CLAMP
Tighten the clamp screws until the sealing washer
begins to swell.
NOTE: Do not overtighten or you may crush
the tubing.
Pipe Clamp
Clamp Screw
6. ROUTE THE TUBING
Route the tubing between the cold water line and the
refrigerator.
Route the tubing through a hole drilled in the wall or
floor (behind the refrigerator or adjacent base cabinet)
as close to the wall as possible.
NOTE: Be sure there is sufficient extra tubing (about
8 feet coiled into 3 turns of about 10 " diameter) to
allow the refrigerator to move out from the wall after
installation.
CONNECTING THE WATER LINE
Vertical Cold
Water Pipe
Washer
Inlet End
31
7. CONNECT THE TUBING TO THE VALVE
Place the compression nut and ferrule (sleeve)
for copper tubing onto the end of the tubing and
connect it to the shutoff valve. Make sure the tubing is
fully inserted into the valve. Tighten the compression
nut securely.
Saddle-Type
Shutoff Valve
Packing
Nut
Outlet
Valve
NOTE: Commonwealth of Massachusetts Plumbing
Codes 248CMR shall be adhered to. Saddle valves
are illegal and use is not permitted in Massachusetts.
Consult with your licensed plumber.
8. FLUSH OUT THE TUBING
Turn the main water supply on
and flush out the tubing until the
water is clear.
Shut the water off at the water
valve after about one quart of
water has been flushed through
the tubing.
Compression
Nut
Ferrule (sleeve)