Hitachi RCI-1.5UNE1NH Installation And Maintenance Manual page 20

3.3.3 Mounting the Indoor Unit
(1) Mount the nuts and washers into the suspension bolts.
*Washer with Insulation (Accessary)
Suspension Blacket (Attaced Indoor Unit)
*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.
Suspension Bolt
Suspension Bracket
NOTE:
If a false ceiling is already constructed, complete all piping and wiring work
inside the ceiling before fixing the indoor unit.
3.3.4 Adjusting the Space between Indoor Unit and False Ceiling Opening
● 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:
Suspension Bolt (Field Supplied)
Nut (Field Supplied)
*Washer (Accessary)
Nut (Field Supplied)
Surface of Ceiling
Fig.3.7 Mounting Nuts and washer
Fig.3.8 Mounting the Indoor Unit
Installation and Maintenance
(mm)
Drain Pan
16