LG PQCPB11A0E Owner's Manual - Page 32
Note: Checking the LGAP Label
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2. Installing ACP Tip: Connection setup when using the simple central controller together with the ACP The simple central controller can be used with the ACP. Connect the simple central controller to the ACP as follows: Note: Checking the LGAP Label Check the LGAP Label at the right side of the case of the simple central controller. Only the product with the label can be together connected to the ACP. The VCC and the GND terminals of the simple central controller should be connected to the wire from the PI485 or the separate adaptor. For more information, see the manual for the simple central controller. 1. Connect the BUS-A and the BUS-B ports of the PI485 to the terminals C and D of the simple central controller by using the RS485 communication cable. 2. Set the rotary switch of the simple central controller to match with the group number of the indoor unit to be controlled. For example, in order to control the indoor units with the addresses 00~0F, set the rotary switch to 0. 3. Set the DIP switch No. 1 of the simple central controller to OFF (slave) and No. 2 to ON (LGAP mode). ON KSDO4H L1 2 3 4 RS485 GND D C LED13 LED14 + LED17 ON KSDO4H L1 2 3 4 S19 2-18 ACP CN-POWER GND CN-COM B CN-POWER S1 S2 LED2 IC1P S5 + + LED5 + S9 + S6 + S10 L LED3 + LED7 + S11 CN-COM A S4 LED4 + S3 LED8 TX1 S12 LED9 LED10 LED11 LED12 + + S14 + S15 + S16 LED13 LED14 LED15 LED16 PWB:6870A10001A ASM:6711A20005E + S15 S18 LED17 ON KSDO4H L1 2 3 4 S19