16
3.3.3 Mounting the Indoor Unit
(1) Mount the nuts and washers into the suspension bolts.
Fig.3.7 Mounting Nuts and washer
*Place the washer so that the surface with insulation faces downwards.
(2) Lift the Indoor Unit by hoist, and do not apply any force on the drain pan.
(3) Secure the indoor unit using the nuts and washer.
NOTE: If a false ceiling is already constructed, complete all piping and wiring work
inside the ceiling before fixing the indoor unit.
Installation and Maintenance
● Check the level of the drain pan using a leveller 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 to prevent them from loosening, Otherwise,
abnormal noises or sounds may occur and the indoor unit may fall down.
LOCK-TIGHT paint*: Paint the lock bolts and nuts. Adjust the indoor unit to the correct position
while checking with the scale (factory-supplied).
(1) Pattern Board for installation is attached with the packing.
(2) Adjust the position of indoor unit, using scale as shown below:
3.3.4 Adjusting the Space between Indoor Unit and False Ceiling Opening
Suspension Bolt (Field Supplied)
*Washer with Insulation (Accessary)
Nut (Field Supplied)
Suspension Blacket (Attaced Indoor Unit)
*Washer (Accessary)
Nut (Field Supplied)
Surface of Ceiling
(mm)
Approx. 50
Approx. 52
102
Fig.3.8 Mounting the Indoor Unit
Suspension Bolt
Suspension Bracket
Drain Pan
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