9. Installing the grille
(Enlarged)
Screw (4 
8) 
Corner panel
Safety wire | Fig. |
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9.7. Installing the intake grille (Fig. 9-10 )
Note:
When reinstalling the corner panels (each with a safety wire attached), con- nect the other end of each safety wire to the grille using a screw (4 pcs, 4 8) as shown in the illustration.
*If the corner panels are not attached, they may fall off while the unit is operating.
•Perform the procedure that is described in “9.2. Preparing to attach the grille” in reverse order to install the intake grille and the corner panel.
•Multiple units can be installed with grille so that the position of the logo on each corner panel is consistent with the other units regardless of the orientation of the intake grille. Align the logo on the panel according to the wishes of the customer as shown in the diagram to the left. (The position of the grille can be changed.)
Refrigerant piping of the main unit
Drain piping of the main unit
Position of the corner panel when sent from the factory (logo attached).
*Installation in any position is possible.
Position of the levers on the intake grille when sent from the factory.
*Although the clips can be installed in any of four positions, the configuration shown here is recommended.(It is not necessary to remove the intake grille when maintenance is performed on the electric component box of the main unit.)
Receiver (Only
10. Easy maintenance function (For
Display example (Comp discharge temperature 147 ) | By using the maintenance mode, you can display many types of maintenance data | |||||||||||||||||||||||||||||||||||
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| on the remote controller such as the heat exchanger temperature and compressor |
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| current consumption for the indoor and outdoor units. |
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| This function can be used whether the air conditioner is operating or not. |
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| During air conditioner operation, data can be checked during either normal opera- |
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| tion or maintenance mode stable operation. |
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| * This function cannot be used during the test run. |
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| * The availability of this function depends on the connecting outdoor unit. Refer to |
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| the brochures. |
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Maintenance mode operation procedures
(1) Press the TEST button for three seconds to | Display | MAINTENANCE |
activate the maintenance mode. |
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(2) Press the TEMP. 
buttons to set the refrigerant address.
Display 
(3) Select the data you want to display.
Compressor information
MENU
Outdoor unit information
ON/OFF
Indoor unit information
| Cumulative |
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| ON/OFF |
| Operation |
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| operation time |
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| number | current |
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Display |
| COMP ON |
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| COMP ON |
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| COMP ON |
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| x10 HOURS |
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| x100 TIMES |
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| CURRENT (A) |
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| Heat exchanger |
| Comp discharge | Outdoor ambient | |||||||||
| temperature |
| temperature |
| temperature |
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Display |
| OUTDOOR UNIT |
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| OUTDOOR UNIT |
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| OUTDOOR UNIT |
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| H•EXC. TEMP |
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| OUTLET TEMP |
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| OUTDOOR TEMP |
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| Indoor room |
| Heat exchanger |
| Filter operation | ||||||||
| temperature |
| temperature |
| time |
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Display |
| INDOOR UNIT |
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| INDOOR UNIT |
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| INDOOR UNIT |
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| INLET TEMP |
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| H•EXC. TEMP |
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| FILTER USE H |
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Stable operation
Using the maintenance mode, the operation frequency can be fixed and the op- eration can be stabilized. If the air conditioner is stopped, use the following pro- cedure to start this operation.
*The filter operation time displayed is the number of hours the filter has been used since the filter reset was performed.
(4) Press the FILTER button.
(5) The data is displayed in . | (Airflow temperature display example) |
Blinking
Display
Approx.
Waiting for147
10 sec.
response
* Repeat steps (2) to (5) to check another data.
(6) Press the TEST button for three seconds or press the | ON/OFF button to |
deactivate the maintenance mode. |
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Press the | MODE | button to select the operation mode. |
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| Stable cooling |
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| Stable heating |
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| Stable operation |
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| operation |
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| operation | cancellation |
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| Display | COOL |
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| HEAT |
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| STABLE MODE |
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| STABLE MODE |
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| STABLE MODE |
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| CANCEL |
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Press the | FILTER | button. |
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Stable
Waiting for |
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| operation | ||||
stable operation |
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Display |
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*You can check the data using steps (3) to (5) of the maintenance mode opera- tion procedures while waiting for the stable operation.
18
