3.3.3 Mounting the Indoor Unit
(1) Mount the nuts and washers to the suspension bolts.
Fig.3.7 Mounting Nuts and washer
*Put the washer so that the surface with insulation can faces downwards.
(2) Lift the Indoor Unit by hoist, and do not put any force on the drain pan.
(3) Secure the indoor unit using the nuts, washer.
3
NOTE: If a false ceiling has already been installed, complete all piping and wiring work
inside the ceiling before hooking-up the indoor unit.
Installation and Maintenance
16
● Check the level of the drain pan using a water level to avoid incorrect operation of the
drain discharge mechanism in the indoor unit. The drain piping side of the indoor unit
must be approximately 5mm lower than the other part.
● Tighten the nuts of the suspension brackets after the adjustment is completed. Apply
LOCK-TIGHT paint* to the bolts and nuts in order to prevent them from loosening. If
not done, abnormal noises or sounds may occur and the indoor unit may fall down.
LOCK-TIGHT paint*: Paint the lock blots and nuts. Adjust the indoor unit to the correct position
while checking with the checking scales (factory-supplied).
(1) Pattern Board for installation is attached with the packing.
(2) Adjust the position of indoor unit, as shown below by using checking scale .
3.3.4
Adjusting the Space between Indoor Unit and False Ceiling Opening
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