Haier HLF11PC Guide De L'utilisateur page 21

English
After installation is completed, the following method must be used to
determine if the exhaust system is acceptable:
1. Connect an inclined or digital manometer between the dryer and
the point the exhaust connects to the dryer.
2. Set the dryer timer and temperature to air fluff (cool down)
and start the dryer.
3. Read the measurement on the manometer.
4. The system back pressure must not be higher than 0.75 inches
of water column. If the system back pressure is less than 0.75
inches of water column, the system is acceptable. If the
manometer reading is higher than 0.75 inches of water column, the
system is too restrictive and the installation is unacceptable.
Although vertical orientation of the exhaust system is acceptable, cer-
tain extenuating circumstances could affect the performance of the
dryer:
1. Only the rigid metal duct work should be used.
2. Venting vertically through a roof may expose the exhaust
system to down drafts causing an increase in vent restriction.
3. Running the exhaust system through an area not insulated
may cause condensation and faster accumulation of lint.
4. Compression or crimping of the exhaust system will
cause an increase in vent restriction.
The exhaust system should be inspected and cleaned a minimum of
every 18 months with normal usage. The more the dryer is used, the
more often you should check the exhaust system and vent hood for
proper operation.
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