6-
2
-
9
. Operation Mode Selection Control
NOTE
SW1: COOL mode selection switch
SW2: HEAT mode selection switch
* The display
“
(
Operation mode selection control in progress)” appears on the remote controller
Indoor unit operation intervention function
The statuses of indoor units operating in a mode different from the selected operation mode can be changed
by changing the status of a jumper wire (J01) provided on the interface P.C. board of the outdoor unit.
Input signal
Operation
Remarks
COOL (SW1)
HEAT (SW2)
ON
OFF
Only cooling
operation allowed
*
OFF
ON
Only heating
operation allowed
*
OFF
OFF
Normal operation
SW1: Cooling mode specified input switch
SW2: Heating mode specified input switch
7
1
J
P
0
1
5
N
C
TB1
SW1
SW2
COM
HEAT
COOL
Locally procured
Optional PCB
O
utdoor unit
Shield
wire
Connection
cable
I
nterface PCB
Jumper lead
Details of Processing
J01 connected
(factory
default)
Unallowed indoor units in a mode other than the selected operation mode
are not treated as priority (thermo
stat
OFF state).
(Unallowed indoor units)
J01 cut
Indoor units in a mode other than the selected operation mode are forcibly
switched to the selected operation mode.
Operation
Mode
Operation State
Remote control
Cooling
Air blow operation at
fan speed
set on remote control
,
indicator is
displayed.
Heating
Air blow operation at
ultra-low
fan speed
Fan
Regular air blow operation at
fan
speed
set on remote control
PC board
selection
mode
Remote control operation/display
Normal
, , , or can be selected When using the remote
control,
(mode
select control)
indicator is displayed.
Cool
Only
,
, or
can be
selected
Heat
Only
or
can be selected
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