Mitsubishi Electric ECOV-X37VA Manuel D'installation page 44

10-5. Output signal to external devices
Operation signals can be output from the terminal block on the control box.
[1] Alarm signal
Alarm signals can be output from terminal blocks 7 and 23.
The output signal voltage of terminal blocks 7 and 23 are 220 to 240 VAC. <Use a current of 0.01 to 0.3 A.>
Alarm signal will be output if the refrigerator has come to an abnormal stop.
[2] Compressor operation signal
Compressor operation signals can be output from terminal blocks 6 and 7.
The output signal voltage of terminal blocks 6 and 7 are 220 to 240 VAC. <Use a current of 0.01 to 0.3 A.>
Signals will be output when the compressor is in operation. Signals will not be output when the compressor is not in operation.
[3] Condensing unit operation signal
Condensing unit operation signals can be output from terminal blocks 4 and 7.
The output signal voltage of terminal blocks 4 and 7 are 220 to 240 VAC. <Use a current of 0.01 to 0.3 A.>
Signals will be output when the condensing unit is operating normally (including the times when the compressor is stopped
to prevent an excessive drop in low pressure).
Signals will not be output if the condensing unit has come to an abnormal stop.
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