Samsung Electronics 410
Key Options
■
Connecting the external contact software to the outdoor unit's Main PBA
Outdoor unit's Main PBA
7-Seg display
SEG1 - SEG4 from left
Push button
External contact output (CN85)
Contact output of Comp/error
status to the outside is possible
External contact input (CN86)
Receive and control necessary
contact input signals from the
outside (e.g., quiet mode)
How to use external contacts
External contact
output connection (CN85)
External contact
input connection (CN86)
+12V
Main PCB
Error_ CHECK
_OUTPUT
COMP_CHECK
_OUTPUT
S/W
S/W
S/W
Main PCB
EXTERNAL_CONTORL
-INPUT
CN86
CN85
+12V
Main PCB
Error_ CHECK
_OUTPUT
COMP_CHECK
_OUTPUT
S/W
S/W
S/W
Main PCB
EXTERNAL_CONTORL
-INPUT
CN86
CN85
Setting outdoor unit option switch and key function
Optional
item
Input
unit
SEG1 SEG2 SEG3 SEG4
Function of the
option
Remarks
Silent mode for
night-time
Main 0 7
0 0 Disabled (Factory default)
Enables the silent mode for night-time
(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.
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
8-5 Applications (cont.)
8-5-3 Application of Auxiliary Heat Module (cont.)