LG TCD1870QGS Service Manual page 27

NATURAL MULTIPLE VENTING SYSTEM
Over sum of area
A + B+ C+ D
Exit
• Use the exhaust duct over the inner diameter of exhaust pipe.
• Do not use too small inner diameter of exhaust pipe or too long exhaust duct,
Because it makes bad ventilation and low drying performance and it will be cause of
trouble.
• Follow the below guide in case of using gathering exhaust duct installed with over 2
duct.
• Incline the exhaust duct toward exit about an 45 angle when exhaust duct from dryer
is connected to main exhaust duct. ( If you don't make perpendicular connection,
airflow is disturbed.)
Over sum of area
Over sum of area
A + B+ C
A + B
Over area A
* LG exhaust Duct Diameter: ø6"(153mm)
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Inspection
Cap