Haier HLF103Q User Manual page 19

After installation is completed, Ibe following method must be used to
delermine if tile exhaust system is acceptable:
1. Connect an inclined or digital manometer bebrceen the dryer and the
point the exhaust connects to the dryer:
2. Set the dryer timer and lemperature 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 oNen 'tatlon of the exhaust sys_[em is acoep|abte, certain
extenualing mrcumstances could affect the performance of the dryer:
1. Only the rigid metal duct work should be used.
2. Venting veracaIly through a roof may expose the exhaust system to
down drafts
cau£thg an
ir_rease ii1 vent re_lnchon.
S. Running the exhaust system tl_rough an area not insulated may cause
condensanon and fasler aoP, u mulation of hnt.
4, Compression o_ crimping of the exhaust system w_lt cause an increase
n 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 e×haust syslem and vent hood for proper operation,
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