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10.5. Installing the intake grille (Fig. 10-17)
• Perform the procedure that is described in “10.2. Preparing to attach the grille” in
reverse order to install the intake grille and the corner panel.
A
Refrigerant piping of the main unit
B
Drain piping of the main unit
C
Corner panel
D
Position of the levers on the intake grille when sent from the factory.
* Although the clips can be installed in any of four positions.
E
Receiver
10.6. Check
•
Make sure that there is no gap between the unit and the grille, or between the grille
and the surface of the ceiling. If there is any gap between the unit and the grille, or
between the grille and the surface of the ceiling, it may cause dew to collect.
• Make sure that the wires have been securely connected.
• Check that all four vanes move. If two or four vanes do not move, refer to 10.3. and
check the connections.
• For 3D i-See sensor corner panel, check the rotating movement. If the 3D i-See
sensor does not rotate, review the procedure in “10.3. Installing the grille”.
Fig. 10-17
E
A
D
B
E
C
10. Installing the grille
11. Easy maintenance function
Maintenance data, such as the indoor/outdoor unit’s heat exchanger temperature and compressor operation current can be displayed with “Smooth maintenance”.
* This cannot be executed during test operation.
* Depending on the combination with the outdoor unit, this may not be supported by some models.
F1
F2
F3
F4
Check menu
Cursor
Service menu:
Error history
Refrigerant volume check
Refrigerant leak check
Smooth maintenance
Request code
Smooth maintenance
Begin:
Smooth maintenance
Exit:
Ref.address
Stable mode
Cursor
Ref.address
Stable mode
Stabilization→Collecting
Cool
/ Heat/ Normal
Cool
/ Heat/ Normal
Address
Smooth maintenance
Return:
Smooth maintenance
Return:
Smooth maintenance
Return:
Page
Page
Page
COMP. current
COMP. run time
COMP. On / Off
COMP. frequency
A
Hz
Hr
times
Hr
Ref. address
Cool
Ref.address
Cool
Ref.address
Cool
Sub cool
OU TH4 temp.
OU TH6 temp.
OU TH7 temp.
IU air temp.
IU HEX temp.
IU filter time
1
2
3
• Select “Service” from the Main menu, and
press the [SELECT] button.
• Select “Check” with the [F1] or [F2] but
-
ton, and press the [SELECT] button.
• Select “Smooth maintenance” with the [F1]
or [F2] button, and press the [SELECT]
button.
Select each item.
• Select the item to be changed with the [F1] or
[F2] button.
• Select the required setting with the [F3] or [F4]
button.
“Ref. address” setting ............“0” - “15”
“Stable mode” setting .............
“Cool” / “Heat” /
“Normal”
• Press the [SELECT] button, fixed operation will
start.
* “Stable mode” will take approx. 20 minutes.
The operation data will appear.
The Compressor-Accumulated operat-
ing (COMP. run) time is 10-hour unit,
and the Compressor-Number of opera-
tion times (COMP. On/Off) is a 100-
time unit (fractions discarded)
Navigating through the screens
• To go back to the Main menu
....................[MENU] button
• To return to the previous screen
.......... [RETURN] button
Signal receiver
Fig. 10-16
A
Button
B
Vane motor
C
Up/down vanes
D
Connector
C
B
A
D
B
A
D
10.4. Locking the up/down airflow direction (Fig. 10-16)
The vanes of the unit can be set and locked in on up or down orientation depending
upon the environment of use.
• Set according to the preference of the customer.
The operation of the fixed up/down vanes and all automatic controls cannot be
performed using the remote controller. In addition, the actual position of the vanes
may differ from the position indicated on the remote controller.
1
Turn off the main power switch.
Injuries and or an electrical shock may occur while the fan of the unit is rotating.
2
Disconnect the connector for the vane motor of the vent that you want to lock.
(While pressing the button, remove the connector in the direction indicated by the
arrow as shown in the diagram.) After removing the connector, insulate it with tape.
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