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• For the master unit, set SW2 on "0". For a slave
unit, set SW2 on "1~3".
Fig. 44
[Example]
SW2
0
q w e
q w e
Indoor
unit
q w e
q w e
Master
q w e
R
S T N E
Outdoor
unit
• A master unit is an indoor unit with the power line
connected directly from the outdoor unit.
9. FINISHING
(1) Install the filter guide.
(2) Install the intake grilles.
(3) Install side covers A and B (if the unit is installed in a
half-concealed orientation, only install side cover A).
(4) Install the air filters.
10. CUSTOMER GUIDANCE
Explain the following to the customer in accordance
with the operating manual:
(1) Starting and stopping method, operation switching,
temperature adjustment, timer, air flow adjustment,
and other remote controller operations.
(2) Air filter removal and cleaning.
(3) Give the operating and installation manuals to the
customer.
11. REMOTE CONTROLLER INSTALLATION
• Insert the end of a flat blade screwdriver at the
arrow parts of the groove at the side of the remote
controller case and remove the remote controller
case top by turning the screwdriver.
• Disconnect the remote controller cord from the
remote controller terminal board.
Fig. 45
NON STOP
CLOCK
1
2
TIMER
SET TIME
MODE
CLOCK ADJUST
(1) When remote controller exposed
1) Make a notch in the thin part (
the remote controller case top and bottom with
nippers, file, etc.
2) Connect the remote controller cord to the remote
controller terminal board specified in (Fig. 46).
3) Clamp the remote controller cord sheath with the
binder (small) as shown in Fig. 46.
4) Cut off the excess binder.
1
2
3
q w e
q w e
q w e
q w e
Slave
Slave
Slave
TEMP
AUTO
°C
HIGH
COOL
DEFROST TEST
TEMP./DAY
FAN
CONTROL
MASTER
CONTROL
START/STOP
SET
DAY OFF
part of Fig. 45) at
Fig. 46
Remote con-
troller cord
Binder (small)
(2) When remote controller cord embedded
1) Embed the remote controller cord and box.
2) Pass the remote controller cord through the hole
at the remote controller case bottom and install
the cord to the box (Fig. 47).
3) Connect the remote controller cord to the remote
controller terminal board specified in (Fig. 46).
Fig. 47
[Example]
Remote controller
case top
• After wiring work is complete, return the remote
controller case top to its original state.
(1) Do not bundle the remote controller
cord, or wire the remote controller
cord in parallel, with the indoor unit
connection wire (to the outdoor
unit) and the power supply cord. It
may cause erroneous operation.
(2) When installing the remote con-
troller and cord near a source of
electromagnetic waves, separate the
remote controller from the source of
the electromagnetic waves and use
shielded cord.
(3) Do not touch the remote controller
PC board and PC board parts directly
with your hands.
– 11 –
White
Red
Black
Remote controller
case bottom
Remote controller
terminal board
Remote
controller cord
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