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Indoor Unit Installation
Step 10: Mount the Indoor Unit
If you’re installing new connective piping and
the indoor unit has not been hooked onto the
wall mounting plate, follow these steps:
1. If you have already passed the refrigerant piping,
drain hose, and signal cable through the wall
hole, proceed to Step 4.
2. Otherwise, double-check that the ends of the
refrigerant pipes are sealed to prevent dirt or any
other foreign materials from entering the pipes.
3. Slowly pass the wrapped bundle of refrigerant
pipes, drain hose, and signal cable through the
hole in the wall.
4. Hook the top of the indoor unit on the upper
hook of the wall mounting plate.
5. Check that the unit is firmly hooked on the
mounting plate by applying slight pressure to the
left and right-hand sides of the unit. The unit
should not jiggle or shift.
6. Reinstall the lower panel of the indoor unit by
following the instructions of Step 6: Remove
Indoor Unit Lower Panel in reverse order.
7. Once the lower panel has been reinstalled, using
even pressure, push down on the bottom half of
the unit. Keep pushing down until the unit snaps
onto the hooks along the bottom of the wall
mounting plate.
8. Again, check that the unit is firmly mounted by
applying slight pressure to the left and right-hand
sides of the unit.
If the air handler has already been hooked on
the wall mounting plate and connected to
existing, embedded refrigerant piping, follow
these steps:
1. Reinstall the lower panel of the indoor unit by
following the instructions of Step 6: Remove
Indoor Unit Lower Panel in reverse order.
2. If the hinged bracket is being used to prop the
unit against the wall mounting plate, carefully
fold it back into the rear of the unit. Once this is
complete, ensure the back of the unit is resting
against the wall mounting plate.
3. Then, using even pressure, push down on the
bottom half of the unit. Continue pushing down
until the unit snaps onto the hooks along the
bottom of the mounting plate.
4. Again, check that the unit is firmly mounted by
applying slight pressure to the left and right-hand
sides of the unit.
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