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Installation Procedure
Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks
Silent mode Main 0 7
0 0 Disabled (Factory default)
Enables the silent mode for night-
time in cooling mode (It operates
automatically depending on the
temperature.)
However, if the external contact
interface module (MIM-B14) is used,
entering the silent mode is available
with contact signal in cooling and
heating mode.
0 1 LEVEL 1 / Auto
0 2 LEVEL 2 / Auto
0 3 LEVEL 3 / Auto
0 4 LEVEL 1 / External contact
0 5 LEVEL 2 / External contact
0 6 LEVEL 3 / External contact
0 7 LEVEL 1
0 8 LEVEL 2
0 9 LEVEL 3
High-head condition
setting
Main 0 8
0 0 Disabled (Factory default)
0 1
Level 1 of height difference type 1
(Indoor unit is lower than outdoor
unit)
When outdoor unit is located
40~80m above the indoor unit
0 2
Level 2 of height difference type 1
(Indoor unit is lower than outdoor
unit)
When outdoor unit is located over
80m above the indoor unit
0 3
Height difference type 2 (Outdoor
unit is lower than indoor unit)
When indoor unit is over 30 m above
the outdoor unit
Long-piping
condition setting
Main 0 9
0 0 Disabled (Factory default)
0 1 LEVEL 1
When equivalent length of farthest
indoor unit from the outdoor unit is
between 100~170m
0 2 LEVEL 2
When equivalent length of farthest
indoor unit from the outdoor unit is
over 170m
Energy control
operation
Main 1 0
0 0 Basic (Factory default)
Energy control option of designated
operation sequence
Operating in energy saving mode,
capacity might decrease compared to
normal operation mode
0 1 Energy saving
0 2 Power
Rotation defrost
(HR only)
Main 1 1
0 0 Disabled (Factory default)
0 1 Enabled
When enabled, continuous heating
operation is possible but heating
performance will decrease during
rotation defrost operation
Expand 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 condition up to -15°C,
but noise of the MCU will increase
Channel address Main 1 3
A U Automatic setting (Factory default) Address for classifying the product
from upper level controller (DMS,
S-NET 3, etc.)
0 ~ 15 Manual setting for channel 0~15
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
0 1 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