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10. Installing the grille
Fig. 10-16
D
A
Fig. 10-17
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.
1
Check menu
Error history
Diagnosis
Smooth maintenance
Request code
Service menu: MENU
Cursor
F1
F2
F3
F4
ON
MENU RETURN SELECT
OFF
HOLD
2
Smooth maintenance
Ref.address
Stable mode
Cool
/ Heat/ Normal
Begin: SELECT
Cursor
Address
Smooth maintenance
Ref.address
Stable mode
Cool
/ Heat/ Normal
Exit: ON/OFF
21
A Button
B Vane motor
C Up/down vanes
D Connector
B
E
Signal receiver
C
• Select "Service" from the Main menu, and
press the [SELECT/HOLD] button.
• Select "Check" with the [F1] or [F2] but-
ton, and press the [SELECT/HOLD] but-
ton.
• Select "Smooth maintenance" with the [F1]
or [F2] button, and press the [SELECT/
HOLD] 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/HOLD] button, fi xed opera-
tion will start.
* "Stable mode" will take approx. 20 minutes.
10.4. Locking the up/down airfl ow 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 fi xed up/down vanes and all automatic controls cannot be
performed using the remote controller. In addition, the actual position of the vanes
may diff er 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.
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
E
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".
3
Smooth maintenance
Ref. address
COMP. current
COMP. run time
COMP. On / Off
COMP. frequency
Return: RETURN
Page
Smooth maintenance
Ref.address
Sub cool
OU TH4 temp.
OU TH6 temp.
OU TH7 temp.
Return: RETURN
Page
Smooth maintenance
Ref.address
IU air temp.
IU HEX temp.
IU filter time
Return: RETURN
Page
Navigating through the screens
• To go back to the Main menu ....................[MENU] button
• To return to the previous screen .......... [RETURN] button
The operation data will appear.
Cool
The Compressor-Accumulated operat-
A
Hr
ing (COMP. run) time is 10-hour unit,
times
and the Compressor-Number of opera-
Hz
tion times (COMP. On/Off) is a 100-
time unit (fractions discarded)
Cool
F
37
4
F
F
86
F
Cool
F
83
F
5
Hr
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