En-17
(3) Securethecontrolboxcoverwithtappingscrew.
Controlbox
cover
Cable holder
(4) Close the intake grille.
Intake grille
Panel
Check that:
• Thetopandbottomhooksarehookedrmlyandthe
indoor unit does not move to the front and rear or left and
right.
• Theindoorunitisaccuratelypositionedhorizontallyand
vertically.
• Whenconnectedfromtheleftrear,thedrainhoseisat
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)
Drainhose
]1
8.3. Piping outlet sealing
When taking it out in three directions where the pipe is shown
in the gure 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)
• RefertotheInstallationManualfortheoutdoorunitifthe
PCB for the outdoor unit is to be used for the test operation.
]1
9.2. Test operation using remote controller
• RefertotheInstallationManualfortheremotecontrolunitto
perform the test operation using the remote control unit.
• Whentheairconditionerisbeingtestrun,theOPERATION
andTIMERindicatorlampashslowlyatthesametime.
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
Doeswaterdraineasily
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
thespeciedthickness?
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
explainedtotheuser?