En-17
(3) Secure the control box cover with tapping screw.
Control box
cover
Cable holder
(4) Close the intake grille.
Intake grille
Panel
Check that:
• The top and bottom hooks are hooked firmly and the
indoor unit does not move to the front and rear or left and
right.
• The indoor unit is accurately positioned horizontally and
vertically.
• When connected from the left rear, the drain hose is at
the bottom left of the wall pipe.
(View from indoor)
Connection cable
(Power supply cable)
Wall pipe
Connection pipe
Connection cable
(Transmission and
Remote control cable)
Drain hose
]1
8.3. Piping outlet sealing
When taking it out in three directions where the pipe is shown
in the figure below, be sure to seal the hole with a sealant,
such as putty.
Right piping
Bottom piping
Left piping
9. TEST OPERATION
]1
9.1. Test operation using PCB (Outdoor
unit)
• Refer to the Installation Manual for the outdoor unit if the
PCB for the outdoor unit is to be used for the test operation.
]1
9.2. Test operation using remote controller
• Refer to the Installation Manual for the remote control unit to
perform the test operation using the remote control unit.
• When the air conditioner is being test run, the OPERATION
and TIMER indicator lamp flash slowly at the same time.
10. CHECK LIST
]1
Pay special attention to the check items below when
installing the indoor unit(s). After installation is complete, be
sure to check the following check items again.
Check items
If not performed
correctly
Check
box
Has the indoor unit
been installed correctly?
Vibration, noise,
indoor unit may drop
Has there been a
check for gas leaks
(refrigerant pipes)?
No cooling, No heating
Has heat insulation
work been completed?
Water leakage
Does water drain easily
from the indoor units?
Water leakage
Is the voltage of the
power source the same
as that indicated on the
label on the indoor unit?
No operation, heat
or burn damage
Are the wires and
pipes all connected
completely?
No operation, heat
or burn damage
Is the indoor unit
grounded?
Short circuit
Is the connection cable
the specified thickness?
No operation, heat
or burn damage
Are the inlets and outlets
free of any obstacles?
No cooling, No heating
After installation is
completed, has the
proper operation
and handling been
explained to the user?
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