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Hitachi WINDOW/WALL TYPE ROOM AIR CONDITIONER User Manual page 14

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Installation of the Housing
Step 1
Remove the air conditioner from it's packaging, remove fixing
screws and slide the air conditioner out of it's housing (Refer
to Installation Steps).
Step 2
Prepare the hole in the wall so that the bottom of the housing
is well supported, the top has minimum clearance and the air
inlet louvers have clearance as shown below in options A and
B. Holes from the outside through to the cavity should be
sealed. The housing should slope down towards the rear by
about 5mm to allow water formed during operation to drain.
Step 3
Install the housing into the wall and secure. Ensure the foam
seals are not damaged. Flash, seal or fill gaps around the
inside and outside to provide satisfactory appearance and
protection against the weather, insects and rodents.
Installation of the unit into the Housing
1. Slide the unit into the housing until it is firmly against the
rear of the housing. Care is required to ensure the foam
sealing strips on the housing remain in position.
2. Connect the air conditioner to the power and position
excess cord length beneath the air conditioner base.
3. Engage the chassis fixing brackets into the bottom housing
rail and secure to the base with the screw provided.
4. Remove the front panel from it's carton and plastic bag
and fit as per the Installation lnstruction.
5. Switch unit on. Check for operation of the unit and check
for vibration in the installation.
6. Fit the drain pan to the housing and run a drain line to a
suitable location if required.
Installations of the unit into the wall
AIR IN
AIR IN
AIR IN
AIR OUT
100mm minimum
OPTION A
NOTE: UNIT MAY BE SUPPORTED BY A
Preferred method of installation into a timber
framed wall, partition or window.
STURDY TIMBER
FRAME
TIMBER FRAMED
WALL OR PARTITION
Alternative method of installation if external
support cannot be provided.
O
45 BRICK CUT AWAY
TO CLEAR LOUVRES
BRICK
WALL
TOP
AIR IN
VIEW
LOUVRE
AIR OUT
OPTION B
13
SOLID FRAME FROM BELOW OR
BY A HANGER FROM A SOLID
OVERHEAD SUPPORT.
FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE
DRAIN PAN
STURDY TIMBER
EXTERNAL SUPPORT
FRAME ALL ROUND
FRAME AT BALANCE
UNIT
POINT OF A/C
ALTERNATIVELY, BRACKETS
AS ILLUSTRATED BELOW
TIMBER FRAMED
MAY BE USED.
WALL OR PARTITION
FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE
ENSURE LOUVRES
ARE ENTIRELY
OUTSIDE THE WALL
DRAIN PAN
STEADYING BRACKET
(ONE PER SIDE)
SOLID TIMBER SUPPORT
O
45 BRICK CUT AWAY
TO CLEAR LOUVRES
FRONT
BRICK
WALL
100mm
AIR IN
100mm

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