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Packaged Thru-The-Wall Heat Pump
3. USE AND MAINTENANCE
3.14 Fresh air system
There is fresh air system in the back of the unit. The air conditioner will change the room air
automatically with air from outdoors entering the room. The filter should be clean regularly to maintain
the fresh air flow. Take out the filter as shown in the picture on the above, wash it (do not use hot
water) and only when it is dried replace it in same way.
ATTENTION:
1.
Do not use the unit without the filter.
2.
Do not use the fresh air system in heating mode below 41ºF.
3.15 Installation and changing batteries
Open the battery cover, hold the hook and lightly pull up.
Insert 2 x AAA batteries with the positive (+) the same direction as marked on the plastic
surface.
Reinstall the cover of battery.
Test the remote for proper operation by pressing the ON/OFF button "
o If no icons are displayed, please install the batteries again in the correct position.
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OWNER'S MANUAL
19
Heat Controller, Inc.
Ø 50
".
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