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42
MAINTENANCE
Before Replacing the Water
Filter
WARNING
• 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.
CAUTION
• Do not install if water pressure exceeds 827 kPa.
If your water pressure exceeds 827 kPa, 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.
NOTE
• 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.
Application Guidelines/Water
Supply Parameters
• Service Flow: 1.9 lpm
• Water Supply: Community or Private Well -
Potable Water
• Water Pressure: 138 - 827 kPa
• Water Temperature: 0.6 - 37.8 °C
• Capacity: 757 litres
Replacing the Water Filter
The filter must be changed every 6 months or when
the water filter indicator on the control panel lights
turns on or the water dispenser output decreases.
• To purchase a replacement water filter:
- Use replacement cartridge: LT1000P,
LT1000PC, LT1000PCS or ADQ747935**
- Visit your local dealer or distributor or contact
the LG Electronics Customer Information
Centre. For further assistance, visit our
website at lg.com
1
Open the water filter cover.
2
Remove the disposable water filter.
NOTE
• Replacing the water filter causes a small amount
of water (around 1 oz. or 25 cc) to drain.
global_main.book.book Page 42 Friday, March 11, 2022 9:33 AM
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