– 9 –
Energy Monitoring Relay Interface
Installation Manual
7
Trial Operation
Before starting trial operation
Turn on the power of the Energy Monitoring Relay Interface after all wire connections and settings are completed.
Turn on power of the air conditioning control system.
Trial operation
Confirming external input connection
• In the test mode, when the external inputs connected to the input terminals DI-1 to DI-8 are ON, the respective
LEDs will goes on so you can confirm the connection.
▼
Confirming procedure:
Set the operation mode switch SW2 to “3”, and push the reset switch SW6 to enter the test mode.
Unless SW4 is pushed, the respective input status of DI-1 to DI-4 is indicated by LED2 to LED5.
When SW4 is pushed, the respective input status of DI-5 to DI-8 is indicated by LED2 to LED5.
(*) To return to the normal operation, reset SW2 to “zero (0)” and push SW6.
Checking the RS-485 communication status
Use LED2 for checking the RS-485 communication status.
When RS-485 communication with Touch Screen Controller or other central controller is normal, LED2 will blink.
LED2
LED3
LED4
LED5
SW4 OFF
Displays DI-1 input status. Displays DI-2 input status. Displays DI-3 input status. Displays DI-4 input status.
SW4 ON
Displays DI-5 input status. Displays DI-6 input status. Displays DI-7 input status. Displays DI-8 input status.
Input ON: LED lights
Input OFF: LED turns off
LED
Normal operation
Abnormal operation
LED1
Power indicator
ON
OFF
LED2
RS-485 communication status indicator
Blinking
OFF
LED3
Not used
OFF
—
LED4
Test indicator
OFF
—
LED5
Test indicator
OFF
—
9-EN
