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MAINTENANCE
Water Filter
Before Replacing the Water
Filter
• Do not allow children to have access to small
parts during the installation of this product.
• Do not use with water that is microbiologically
unsafe or of unknown quality without adequate
disinfection before or after the system. Systems
certified for cyst reduction may be used on
disinfected water that may contain filterable
cysts.
• Do not install if water pressure exceeds 1 MPa. If
your water pressure exceeds 1 MPa, you must
install a pressure limiting valve. Contact a
plumbing professional if you are uncertain how
to check your water pressure.
• Do not install where water hammer conditions
may occur. If water hammer conditions exist,
you must install a water hammer arrester.
Contact a plumbing professional if you are
uncertain how to check for this condition.
• Do not install on hot water supply lines. The
maximum operating water temperature of this
filter system is 37.8 °C.
• Protect filter from freezing. Drain filter when
temperatures drop below 4.4 °C.
• The disposable filter cartridge MUST be replaced
every 6 months, at the rated capacity or if a
noticeable reduction in flow rate occurs.
• Where a backflow prevention device is installed
on a water system, a device for controlling
pressure due to thermal expansion must be
installed.
• Ensure all tubing and fittings are secure and free
of leaks.
• While the testing was performed under standard
laboratory conditions, actual performance may
vary.
• It is essential that the manufacturer’s
recommended installation, maintenance and
filter replacement requirements be carried out
for the product to perform as advertised.
Replacing the Water Filter
(Plumbed Model)
*1 This feature is only available on some models.
The filter must be changed every 6 months or when
the indicator lights turns on or the water dispenser
output decreases.
• To purchase a replacement water filter:
- Use replacement cartridge: ADQ736939**
- Visit your local dealer or distributor or contact
the LG Electronics Customer Information
Centre. For further assistance, visit our
website at lg.com
Thread Nut Type
*1
1
Loose the screw cap.
2
Pull the pipe out from the water filter cap until
the colored line
a
is visble.
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