Table of Contents
Advertisement
Appendix
DI/DO circuit (Optional)
(Digital Input)
(Digital Input)
(Digital Output)
(Digital Output)
Serial communication
22
E-
DI-2
DI-1
DO-2
DO-1
2
1
4
3
DI-1
External contact signal control
(ON/OFF control of all the indoor units)
External contact signal control
DI-2
(ON/OFF control of all the indoor units)
Outputs 12V if at least one indoor unit is running.
( External circuit may be built for display using the 12V
output)
Equivalent to the 'A/C Running' LED on the DMS external
display.
DO-1
Outputs as the settings on the Operation mode of A/C
Running LED.
- DMS status: Green light will flicker every 5 seconds
- Running status of indoor unit: Solid green light will
Outputs 12V if there is an error on the indoor or outdoor
unit or if communication error occurs.
DO-2
( External circuit may be built for display using the 12V
output)
Equivalent to the 'Error' LED on the DMS external display.
for environment setup purpose.
port
Note
Consult Samsung Electronics when building an
external circuit for display.
5
when DMS operates normally.
turn on when the indoor units operate
normally. (at least 1 indoor unit)
Advertisement
Table of Contents
