En-14
8.2. Install cassette grille to indoor unit
(1) Install the cassette grille on the indoor unit.
“DRAIN” mark
“PIPE” mark
* Align the stamped marks on the cassette grille against the pipe and the drain of the
indoor unit.
CAUTION
Use only the supplied screws to install the cassette grille.
Indoor unit
Ceiling
No gap between ceiling and
cassette grille around entire
periphery
5 to 7 mm
Cassette grille
Sealant
(2) Connect the connector.
Cable (louver): WHITE
Cable (display): WHITE
Cable (louver): RED
Indoor unit side
• Arrange the cables as illustrated below.
(3) Attach the connector cover.
Screw
Connector cover
8.3. Attach the intake grille
The installation is the reverse of “REMOVING THE INTAKE GRILLE”.
The intake grille can be rotated and installed 4 ways to suit the user’s preference.
CAUTION
The louver angle cannot be changed if the power is not on, (If moved by hand, it may
be damaged.)
The grille assembly is directional relative to the air conditioner body.
Install so that there is no gap between the grille assembly and the air conditioner body.
9. TEST RUN
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.
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
lamps
fl
ash slowly at the same time.
10. 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
CHECK
BOX
Has the indoor unit been installed
correctly?
Vibration, noise, indoor unit
may drop
Has there been a check for gas leaks
(refrigerant pipes)?
No cooling, No heating
Has heat insulation work been
completed?
Water leakage
Does water drain easily from the indoor
units?
Water leakage
Is the voltage of the power source the
same as that indicated on the label on
the indoor unit?
No operation, heat or burn
damage
Are the wires and pipes all connected
completely?
No operation, heat or burn
damage
Is the indoor unit earthed (grounded)?
Short circuit
Is the connection cable the specified
thickness?
No operation, heat or burn
damage
Are the inlets and outlets free of any
obstacles?
No cooling, No heating
Does start and stop air conditioner
operation by remote control unit or
external device?
No operation
After installation is completed, has the
proper operation and handling been
explained to the user?
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