100
Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks
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operational
temperature
range for
cooling
operation (HR
only)
Main 1 2
0 0 Disabled (Factory default)
0 1 Enabled
When enabled, continuous
cooling operation is possible
even in low temperature
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but noise of the MCU will
increase
Channel address Main 1 3
AU
Automatic setting (Factory
default)
Address for classifying the
product from upper level
controller (DMS, S-NET 3,
etc.)
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Manual setting for channel
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Snow
accumulation
prevention
control
Main 1 4
0 0 Enabled (Factory default)
During snow accumulation,
the fan may spin even when
the unit is not in operation
01 Disabled
Unused option Main 1 5 0 0 Unused option Unused option by this model
Unused option Main 1 6 0 0 Unused option Unused option by this model
Speed operation Main 1 7
0 0 Disabled (Factory default)
Enabling this setting
will command the air
conditioner to cool/heat
faster at initial start-up.
However, this function will
not work when High-head
condition setting or Long-
piping condition setting is
enabled.
0 1 Enabled
Max. capacity
restriction
(B type PBA)
Main 1 8
0 0 Enabled (Factory default)
Restrict excessive capacity
increase when operating
indoor units with small
capacity
01 Disabled
Gas leak
pump down
(B type PBA)
Main 1 9
0 0 Disabled (Factory default)
If the gas leak occurred it
should be entered in the
pump down operation.
0 1 Enabled
Unused option Main 2 0 0 0 Unused option
Unused option by this model
LA KIT option
(B type PBA)
Main 2 1
0 0 Disabled (Factory default)
Set when LA KIT is installed.
0 1 Enabled
Emergency
operation for
indoor unit
communication
error
(B type PBA)
Main 2 2
0 0 Disabled (Factory default)
When set, emergency
operation is possible even
if an indoor communication
error occurs.
01
Indoor high humidity
condition (operating for up
to 12hours)
02
Indoor low humidity
condition (operating for up
to 24hours)
Base Heater
(B type PBA)
Main 2 3
0 0 Disabled (Factory default)
Set when Base Heater is
installed.
0 1 Enabled
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There is a risk of water leakage during emergency operation for indoor unit communication error. Please be
careful when using it.
Setting outdoor unit option switch and key function