Samsung DVM PLUS III Technical Data Book page 557

05-1_control systems(002~045)
PCB description
2
4 3
V2 V1 F4
(4) Additional functions
Function keys
Filter replacement reset keys
Function
Control
Operation mode lock keys
Function
Control
Option switch
❈ Default switch settings are all OFF.
Switch No.
SW 1
SW 2
SW 3
SW 4
SW 5
SW 6
SW 7
SW 8
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No. Name
1
1
Software upgrade connector
2
Option switches
3
Communication wiring terminal
4 Power wiring terminal (12VDC)
F3
Filter replacement alarm display disappears. Indoor units recount the filter replacement time.
Press the temperature setting buttons for 5 seconds, filter replacement alarm display
disappears.
Disable the operation mode selection.
Press both Mode button and Fan speed button for 5 seconds to fix the current
operation mode. (At that time, it is possible to set temperature control, and fan speed.)
Press both Mode button and Fan speed button for 5 minutes to release the operation
mode lock function.
Able to set an additional function in a simple way with 8 option
switches on the wired remote controller PCB.
OFF
For cooling and heating model
Temperature display in Celsius (°C).
Able to use both wireless remote controller and wired remote
controller for indoor unit control.
-
-
-
-
If two wired remote controllers are used to control 1 indoor
unit, it is set as a Master wired remote controller.
Description
It is used to upgrade the micro-controller's software.
It is possible to set additional functions for wired remote
controller.
Connection to indoor unit (F3/F4).
Connection to indoor unit (V1/V2).
ON
For cooling model only (If the operation mode is selected,
heating operation display is skipped.)
Temperature display in Fahrenheit (°F).
Unable to use wireless remote controller.
-
-
-
-
If two wired remote controllers are used to control 1indoor unit,
it is set as a Slave wired remote controller.
V-25