6
Indoor/Outdoor Unit Installation Drawings
Refrigerant piping must be kept to a minimum.
* The suggested shortest piping length is
1.5m, in order to avoid noise from the
outdoor unit and vibration.
(Mechanical noise and vibration may
occur depending on how the unit is
installed and the environment in which it
is used.)
** Do not additionally charge refrigerant.
574mm
(Foot bolt-hole centres)
(Foot bolt-hole
centres
)
326mm
Stop valve cover
How to remove the stop valve
cover.
1) Remove the screw on the stop
valve cover.
2) Slide the cover downward to
remove it.
How to attach the stop valve
cover.
1) Insert the upper part of the stop
valve cover into the outdoor unit.
2) Tighten the screws.
Humidifying hose
G
If it is difficult to lay the G humidifying hose, cut it,
lay it, and connect it using the J joint included with
the outdoor unit or an elbow (field supply).
Wrap the insulation pipe with the finishing tape from
bottom to top.
Connect the flare from the indoor unit side.
Refrigerant piping must be
protected from physical damage.
Install a plastic cover or
equivalent.
Allow space for piping and electrical servicing.
Where there is a danger of the unit
falling, use foot bolts, or wires.
In sites with poor drainage, use block
bases for outdoor unit.
Adjust foot height until the unit is
leveled. Otherwise, water leakage or
pooling of water may occur.
Allow 300mm of work space
below the ceiling surface.
Do not install the trap to the G humidifying hose as
much as possible.
The flare connection should be installed outdoors.
Install the hose with a downward
slope.
Do not bend the G humidifying
hose more than 90°.
Cut thermal insulation pipe to an
appropriate length and wrap it
with tape, making sure that no
gap is left in the insulation pipe’s
cut line.
CAUTION
* Set the piping length from 1.5m to 10m.
250mm from wall
30mm or more from ceiling
• If the wall on one side is sufficiently
away, the distance from the other
wall can be 20mm at the minimum.
50mm or more from walls (on both sides)
Wireless remote controller
D
Remote
controller holder
E
Hook
Set the F batteries.
F
Screws
(field supply
: M3 × 20L)
Before screwing the E remote controller
holder to the wall, make sure that control
signals are properly received by indoor
unit.
E
10m
1.5m
Max. allowable piping length
Min. allowable piping length
*
8m
Max. allowable piping height
O.D. 9.5mm
Gas pipe
O.D. 6.4mm
Liquid pipe
Max. allowable refrigerant
charge amount **
1.34kg
G
G
G
J
How to attach the indoor unit
1) Using the
marks (3 locations) on top of the indoor unit, attach the A mounting
plate hooks onto the indoor unit.
2) Attach the tabs on the bottom frame onto the A mounting plate. If the tabs are not
hooked onto the plate, remove the front grille to hook them.
(Check to see if the tabs are hooked securely.)
How to remove the indoor unit
Push up the mark part on the bottom of the front grille
(bottom), discharge the tabs, and then remove the
unit while lifting it up.
A
A
Hook
Tab
Bottom frame
A
Mounting plate
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