LG Therma V AHUW056A3 Engineering Product Data Book page 53

THERMA V
Split Type
5. Wiring diagrams
Elements mark
A : Indoor unit Controller
3
JMP
X7
X6
X5
BUS-A, BUS-B Communication
TW MODBUS
5
TX MODBUS
PLC
B : Gateway PI 485 in the outdoor unit
PI485 BUS-A, BUS-B Communication with the control electronics of the Process module PLC
C : Expansion wall unit (3rd party)
3b
JMP
X7
8
Connecting
Terminals
- Basic input/output module MD1
TE1 Communication with I/O module MD2
TE2 Communication with the control electronics of the PLC screen module
- Set-up of bridges (without)
- Connecting terminal for communication with expansion module MD2
A+, B- Communication
GND, 12V Power supply
- Connecting terminal for spatial corrector (optional)
A+, B- Communication
GND, 12V Power supply
Connecting terminal for communication with external module Gateway
-
PI485 in WPLV device
GND, 10V Power supply
Connecting terminal for communication with external module Gateway
-
PI485 in WPLV device
Communication with PLC
Not in use
Ethernet Internet (Ethernet) connection
- Process module
WM Communication with Web module
TEX Communication with outdoor unit - PI485 Gateway
TS Communication with the spatial corrector
TE2 Communication with the basic V/I module MD1
- External PI485 in the outdoor unit
GND, + 10V Power supply
- Expansion input/output module MD2
TE1 Communication with the basic V/I module MD1
TE2 Not in use
- Set-up of bridges (in first position)
Connecting terminal for communication with I/O module MD1
-
A+, B- Communication
GND, 12V Power supply
DHW Tank Integrated Unit
Description