Hitachi PC-ARF Technical Catalogue page 423

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5 Centralised remote controls

5 Simultaneous Operation Output

This function is for outputting signal outward in the case where there is any air conditioner in operation in the group set

by the centralised ON/OFF controller.

6 Simultaneous Alarm Output

This function is for outputting signal outward in the case where there is any air conditioner in abnormal condition in the

group set by the centralised ON/OFF controller. The input function is set by the dip switch SW19-1 as follows:

ALL RUN/STOP (Level)

Specifications of Required Components:

Input: Non-Voltage A Connection (DC12V)

Output: DC12V

OMRON MY Relay (Recommended)

PCC-1 Cable (Option): For Connection of External Input/Output

C A U T I O N

Use the cable more than 0.3 mm2 (Field-Supplied, Maximum Length: 70m) for Input/Output.

TCGB0106 rev.0 - 12/2014

Setting of SW-19-1

ALL RUN (Pulse)

ALL STOP (Pulse)

CN4: 2~3 Pin Connection

CN4: 1~2 Pin Connection

Troubleshooting