LG PQNFB16A1 - Manual (Page 11)

Installation order
Installation Manual 11
ENGLISH
Installation order
1. Install the product according to the setting of the central controller address of the indoor unit and the
DIP S/W of PI485. (Set the DIP switch No. 4 to ON.)
(Refer to the PI485 installation manual for details.)
2. Connect BUS_A and BUS_B (485 communication line) while paying attention to the connecting
polarity. (Refer to the next page.)
3. LON (TP/FT-10 line‡Lonworks Gateway communication line connection) TP/FT-10 communication
line does not have polarity. Connect the 2 communication lines to BMS.
4. PWR (Power supply)
You can select either one of the two for the power supply.
Use DC 12V power adapter
Connect to No. 6 in name of each part.
When separate DC12 can be supplied
Connect 12V and GND to No. 7 and 8 terminals.
5. When you press the service switch after connecting to the Lonworks system, the service LED is
turned on and the neuron ID is automatically transmitted to the Lonworks system.
6. Check whether the service LED is in normal condition (OFF condition) within 10 minutes. If the
service LED is in normal condition, the installation has been done normally.
7. When using the fire detection port, connect the two terminals of the fire diction sensor to F1 and F2.
(Fire detection sensor must be used for DC output of 12V or below.)
8. After the installation, connect the LAN cable between the PCs to use the web server so that you
can check whether the LG product has been installed normally. – Refer to the remote diagnosis
function part (page 16) for details.
When connecting the signal line to the terminal of Lonworks Gateway, always use a
manual driver.
(Careful attention is required not to damage the terminal block and PCB.)