Haier HPU-42H03 User Manual - Page 21

After season maintenance, Before season maintenance

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Maintenance After season maintenance Let the unit run in Fan mode for half a day in a fine weather to dry completely the unit inside. Turn off the unit and pull out power plug. There might be certain power consumption even if unit is stopped. Clean air filter and indoor unit, cover outdoor unit after cleaning. Before season maintenance Check if there are obstacles at inlet and outlet of indoor and outdoor unit, whick will reduce unit efficiency. Don't fail to attach air filter after making sure it is cleaned. Dust will enter into unit causing damages or faults if it is running without air filter. To protect compressor at start, please connect external power supply to the unit 12 hrs prior to starting. Also please keep the power supply switch ON during the whole season. 19

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Maintenance
19
After season maintenance
Before season maintenance
Let the unit run in Fan mode for half a day in a
fine weather to dry completely the unit inside.
Turn off the unit and pull out power plug.
There might be certain power consumption even
if unit is stopped.
Clean air filter and indoor unit, cover outdoor
unit after cleaning.
Check if there are obstacles at inlet and outlet of indoor and outdoor unit,
whick will reduce unit efficiency.
Don't fail to attach air filter after making sure it
is cleaned.
Dust will enter into unit causing damages or
faults if it is running without air filter.
To protect compressor at start, please connect external power supply to
the unit 12 hrs prior to starting. Also please keep the power supply switch
ON during the whole season.