We would like to control remotely the “ON-OFF” function of a mini Chiller MGC-V12W/D2RN1 through the terminals 5-6. The problem is that although we place the SW3(1) to the “ON” position, the display doesn’t show “d8”.

We would like to control remotely the “ON-OFF” function of a mini Chiller MGC-V12W/D2RN1 through the terminals 5-6. The problem is that although we place the SW3(1) to the “ON” position, the display doesn’t show “d8”.

You can try following steps.

1. Change the switch SW_3_1 from off to on. Restart the unit.

2.Closed 5-6 terminal. It means turn off the unit(it’s remote off function)

Disconnect 5-6 terminal, the unit will operate the setting status before the unit switch off(memory function).

For example:

Unit operate cooling mode.

Closed 5-6 port, the unit will stop

Disconnect 5-6 port, the unit will operate cooling mode again.

3.If u can’t control the unit off when u use the on/off function, u can try to change a new PCB.



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