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)
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
Has the indoor unit been
installed correctly?
Has there been a check for
gas leaks (refrigerant pipes)?
Has heat insulation work
been completed?
Does water drain eas-
ily from the indoor units?
Is the voltage of the power source
the same as that indicated on
the label on the indoor unit?
Are the wires and pipes all
connected completely?
Is the indoor unit earthed
(grounded)?
Is the connection cable the
specifi ed thickness?
Are the inlets and outlets
free of any obstacles?
Does start and stop air con-
ditioner operation by remote
controller or external device?
After installation is completed,
has the proper operation and han-
dling been explained to the user?
En-15
9373370147-01_IM.indb 15
9373370147-01_IM.indb 15
Wall pipe
Connection pipe
Connection cable (Transmission
and Remote controller cable)
If not performed correctly
Check box
Vibration, noise, indoor unit may drop
No cooling, No heating
Water leakage
Water leakage
No operation, heat or burn damage
No operation, heat or burn damage
Short circuit
No operation, heat or burn damage
No cooling, No heating
No operation
11. ERROR CODES
If you use a wired type remote controller, error codes will appear on the remote controller
] 1
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
OPERATION
TIMER lamp
FILTER lamp
lamp (green)
(orange)
(red)
(1)
(2)
(1)
(4)
(1)
(6)
(2)
(6)
(2)
(9)
(3)
(1)
(5)
(1)
(3)
(10)
(4)
(1)
(4)
(2)
(5)
(1)
(5)
(2)
(5)
(3)
(9)
(15)
(13)
(1)
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of fl ashing
Wired Remote
Controller Error
Error contents
code
Remote controller
communication error
Network communication
error
Peripheral device
communication error
Address setting error
Connection unit number
error in wired remote
controller system
Indoor unit power supply
abnormal
Indoor unit main PCB
error
Indoor unit
communication circuit
(wired remote controller)
error
Room temp. sensor
error
Indoor unit Heat Ex.
sensor error
Indoor unit fan motor1
error
Coil (Expansion value)
error
Water Drain Abnormal
Outdoor unit error
RB unit error
7/12/2012 4:48:47 PM
7/12/2012 4:48:47 PM