Hitachi air Core 600 Installation & Maintenance Manual page 31

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3 2 3 Mounting the Indoor Unit
(1) Mount the nuts and washers into the suspension bolts.
Suspension Bolt (Field Supplied)
*Washer with Insulation (Accessary)
Suspension Bracket (Attached Indoor Unit)
*Place the washer so that the surface with insulation faces downwards.
(2) Lift the Indoor Unit by hoist
(3) Secure the indoor unit using the nuts and washer.
NOTE:
If a false ceiling is already constructed
inside the ceiling before fixing the indoor unit.
3.2.4 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:
Nut (Field Supplied)
*Washer (Accessary)
Nut (Field Supplied)
Surface of Ceiling
Fig . 3.7 Mounting Nuts and washer
,
and do not apply any force on the drain pan.
Suspension Bolt
Suspension Bracket
Fig . 3.8
Installation and Maintenance
(Unit : mm)
Drain Pan
,
complete all piping and wiring work
.
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