Carrier 40QSM009DS Service Manual page 65

If the ceiling is extremely high, please
determine the length of the installation hook
depending on the real situation.
13.2.2.4 Install the main body
Make the 4 suspender through the 4 hanger of
the main body to suspend it. Adjust the
hexangular nuts on the four installation hooks
evenly, to ensure the balance of the body. Use
a leveling instrument to make sure the
levelness of the main body is within ± 1° .
Adjust the position to ensure the gaps between
the body and the four sides of ceiling are even.
The body's lower part should sink into the
ceiling for 10~12 mm. In general, L is half of the
screw length of the installation hook.
Locate the air conditioner firmly by wrenching
the nuts after having adjusted the body's
position well.
13.2.2.5 Install the panel
Remove the grille
Hang the panel to the hooks on the mainbody.
Tighten the screws under the panel hooks till
the panel closely stick on the ceiling to avoid
condensate water.
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