34
Air-to-Water Heat Pump
Proper functioning requires a connection between the terminal clip X5 on the internal unit and con-
necting clips Bus_A [+] / Bus_B [-] / GND on the Gateway PI485 module (Modbus Converter) on the
external device.
Installation of Indoor Unit
ELEMENTS
MARK
CONNECTING
TERMINALS
CHARACTERISTICS
A
Spatial corrector KT-1(2)
KT-1
Spatial corrector KT-1 (optional)
A +, B-
Communication
GND, 12 V
Power supply
KT-2
Spatial corrector KT-2 (optional)
A +, B-
Communication
GND, 12 V
Power supply
B
Indoor unit TT3000
3
Basic input/output module MD1
TE1
Communication with I/O module MD2
TE2
Communication with the control electronics of the PLC screen module
JMP
Set-up of bridges (without)
X7
Connecting terminal for communication with expansion module MD2
A +, B-
Communication
GND, 12 V
Power supply
X6
Connecting terminal for the spatial correctors(optional)
A +, B-
Communication
GND, 12 V
Power supply
X5
Connecting terminal for communication with external module Gateway PI485 in WPLV device
BUS-A, BUS-B
Communication
GND
Power supply
5
Web module
TW MODBUS
Communication with PLC
TX MODUBUS
Not in use
Ethernet
Internet (Ethernet) connection
PLC
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
D
Expansion wall unit TT3003
3b
Expansion input/output module MD2
TE1
Communication with the basic V/I module MD1
TE2
Not in use
JMP
Set-up of bridges (in first position)
X7
Connecting terminal for communication with I/O module MD1
A +, B-
Communication
GND, 12 V
Power supply
C
Gateway PI485 in the outdoor unit
PI485
External module Gateway PI485
BUS–A , BUS–B
Communication with the control electronics of the Process module PLC
GND
Power supply
+ 10 V
Not in use
1,MFL69676201,영영 2017. 3. 8. 영영 3:07 Page 34