En-15
Check that:
• The top and bottom hooks are hooked
fi
rmly 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 controller cable)
Drain hose
9. TEST RUN
]1
9.1. Test run using Outdoor unit (PCB)
• Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to
be used for the test run.
]1
9.2. 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 lamp
fl
ash 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 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?
11. 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 indications
Wired Remote
Controller Error
code
Error contents
OPERATION
lamp (green)
TIMER lamp
(orange)
FILTER lamp
(red)
(1)
(2)
Remote controller
communication error
(1)
(4)
Network communication
error
(1)
(6)
Peripheral unit
communication error
(2)
(6)
Indoor unit address
setting error
(2)
(9)
Connection unit number
error in wired remote
controller system
(3)
(1)
Indoor unit power supply
abnormal
(5)
(1)
Indoor unit main PCB
error
(3)
(10)
Indoor unit
communication circuit
(wired remote controller)
error
(4)
(1)
Indoor unit room temp.
thermistor error
(4)
(2)
Indoor unit heat ex.
temp. thermistor error
(5)
(1)
Indoor unit fan motor 1
error
(5)
(2)
Indoor unit coil
(expansion valve) error
(5)
(3)
Indoor unit water drain
abnormal
(9)
(15)
Outdoor unit
miscellaneous error
(13)
(1)
RB unit error
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of
fl
ashing
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1/21/2013 4:10:26 PM
