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When removing the cabinet (iron plate), be careful not to damage the indoor unit inter-
nal parts and surrounding area (outer case).
When processing the cabinet (iron plate), be careful not to injure yourself with burrs, etc.
(2)
Install the round fl ange (option parts) to the fresh air intake.
(3)
Connect the duct to the round fl ange.
(4)
Seal with a band and vinyl tape, etc. so that air does not leak from the connection.
Duct
10. TEST RUN
CHECK ITEMS
(1) Is operation of each button on the remote controller normal?
(2) Do not air fl ow direction louvers operate normally?
(3) Is the drain normal?
(4) Is there any abnormal noise and vibration during operation?
• Do not operate the air conditioner in test run for a long time.
[OPERATION METHOD]
• For the operation method, refer to the operating manual.
(1) Stop the air conditioner operation.
(2) Press the MODE button and the FAN button simultaneously for 2 seconds or more to
start the test run.
(3) Press the START/STOP button to stop the test run.
If "C0" appears in the unit number display, there is a remote controller error. Refer to the
installation manual included with the remote controller.
Unit number
Error code
[Using the wireless remote controller for test run] (Option)
• For the operation method, refer to the operating manual.
• The outdoor unit may not operate depending on the room temperature. In this case,
press the TEST RUN button on the wireless remote controller while the air conditioner
is running. (Point the transmitter section of the wireless remote controller toward the air
conditioner and press the TEST RUN button with the tip of a ball-point pen, etc.)
Transmitter section
TEST RUN button
• To end test operation, press the wireless remote controller START/STOP button.
(When the air conditioner is run by pressing the TEST RUN button, the OPERATION
indicator lamp and TIMER indicator lamp will simultaneously fl ash slowly.)
CAUTION
Round duct
Test run display
Content
Incompatible indoor unit is connected
Indoor unit ↔ remote controller communication
error
11. CHECK LIST
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
Has the indoor unit been
Vibration, noise, indoor unit may
installed correctly?
drop
Has there been a check for gas
No cooling, No heating
leaks (refrigerant pipes)?
Has heat insulation work been
Water leakage
completed?
Does water drain easily from the
Water leakage
indoor units?
Are the wires and pipes all con-
No operation, heat or burn dam-
nected completely?
age
Is the connection cable the
No operation, heat or burn dam-
specifi ed thickness?
age
Are the inlets and outlets free of
No cooling, No heating
any obstacles?
After installation is completed,
has the proper operation and
handling been explained to the
user?
12. OPTIONAL KIT INSTALLATION (OPTION)
Regulation of cable differs from each locality, refer in accordance with local rules.
This air conditioner can be connected with the following optional kits.
Option type
UTY-XSZX (Remote sensor unit)
UTD-ECS5A (External input)
UTD-ECS5A (External output)
UTZ-PX1NBA (Drain pump unit)
CN103
CN102
CN106
CHECK BOX
WARNING
Connector No.
CN8
CN102
CN103
CN106 ( Drain pump )
CN9 ( Float SW )
CN8
CN9
En-14
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