En-15
9. FINISHING
(1) Reattach cover A and B. Then fasten the control box back into its original position
using the 4 tapping screws.
Cover A
Top of the Cover A
Top of the Cover B
Cover B
(2) Attach the remote controller cable, transmission cable, power supply cable, RB unit
cable (for Reverse cycle model) and cable clips. Make sure that they are positioned so
that they will not interfere with opening and closing of the intake grille or with removal
and installation of the air
fi
lters.
Cable clip Remote controller cable
Transmission cable
Power supply cable
(3) Close the piping outlet with the closing material (putty etc.).
(4) Install
the
fi
lter guide.
(5) Install the intake grilles.
(6) Install side covers A and B (if the unit is installed in a half-concealed orientation, only
install side cover A).
(7) Install the air
fi
lters.
10. TEST RUN
]1
10.1. Test run 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 run.
10.2. Test run using remote controller
• Refer to the Installation Manual for the remote controller to perform the test run using
the remote controller.
• When the air conditioner is being test run, the OPERATION and TIMER indicator lamps
fl
ash slowly at the same time.
11. 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 eas-
ily 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 earthed
(grounded)?
Short circuit
Is the connection cable the
speci
fi
ed thickness?
No operation, heat or burn damage
Are the inlets and outlets
free of any obstacles?
No cooling, No heating
Does start and stop air con-
ditioner operation by remote
controller or external device?
No operation
After installation is completed,
has the proper operation and han-
dling been explained to the user?
12. ERROR CODES
1
If you use a wired type remote controller, error codes will appear on the remote controller
display. If you use a wireless remote controller the lamp on the photodetector unit will
output error codes by way of blinking patterns. See the lamp blinking patterns and error
codes in the table below.
Error display
Wired
Remote
Controller
Error CODE
Error contents
OPERATION
indicator
lamp (green)
TIMER
indicator
lamp (orange)
FILTER
indicator
lamp (red)
(1)
(2)
Remote controller
communication error
(1)
(4)
Anomalous network
communications
(1)
(6)
Parallel communication
error
(3)
(1)
Power frequency error
(3)
(2)
Model information error/
EEPROM accession
error
(4)
(1)
Room temperature
thermistor error
(4)
(2)
Indoor heat exchanger
temperature thermistor
error
(5)
(1)
Indoor fan motor error
(5)
(3)
Drainage error
(9)
(15)
Outdoor unit error
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of
fl
ashing
Wired Remote Controller Display
Error code
9367702091-02_IM.indb En-15
9367702091-02_IM.indb En-15
12/29/2011 8:57:49 AM
12/29/2011 8:57:49 AM
