Installation Guide; Installation Steps - LG pmnfp14a0 Installation Manual

Installation Guide

Installation Steps

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1. Connect CN_OUT with Outdoor Unit by the cable (provided)
2. 6 7 Connect RS-485 BUS_A(+) and BUS_(B)(-) with other network products (ex.
Central Controller , I-Gateway.....)
4 5
3. In case of using Simple Central Controller, connect VCC(+10V) and GND.
No need to connect otherwise.
8
4. Select DIP Switch Configuration(Refer page 8)
3
5. Connect CN_PWR with Outdoor PCB Power connector
6. After Power is ON, check the Communication LED
- LED1G(Red)
• Normal : LED blinks as many as the number of Connected Indoor units, and then
turns OFF.
This process is repeated after every 3 minutes
• Error : Check the Indoor Unit's address & wiring connections
- LED2G(Yellow), LED3G(Orange)
• Normal : LED blinks continuously
• Error : Check the DIP Switch setting & wiring connections
7. 2 Check RS-485 Communication Status LED:
• Normal : LED blinks when PI485 receives data from central controller.
• Error : Check the wiring connections
8. Finally if all of the above steps are OK, then tie the cables by tie wraps & clamp
CAUTION:
Install the PI485 on the Noise Filter in Multi V plus.
Install the PI485 after checking the hole for screw.
1
* Example about Multi V plus
Installation Manual 7
Installation Guide