Samsung MIM-B17C Installation Manual download pdf (Page 22)

E-22

Appendix

DI-2 DI-1 DO-2 DO-1

2 341



DI-1

(Digital Input)

External contact signal control

(ON/OFF control of all the indoor units)



DI-2

(Digital Input)

External contact signal control

(ON/OFF control of all the indoor units)



DO-1

(Digital Output)

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.

Outputs as the settings on the Operation mode of A/C

Running LED.

- DMS status: Green light will flicker every 5 seconds

when DMS operates normally.

- Running status of indoor unit: Solid green light will

turn on when the indoor units operate

normally. (at least 1 indoor unit)



DO-2

(Digital Output)

Outputs 12V if there is an error on the indoor or outdoor

unit or if communication error occurs.

( External circuit may be built for display using the 12V

output)

Equivalent to the ‘Error’ LED on the DMS external display.



Serial communication

port

for environment setup purpose.

Note Consult Samsung Electronics when building an

external circuit for display.

DI/DO circuit (Optional)

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