INSTALLATION
7
ENGLISH
INSTALLATION
21
6:
21
6:
DIP switch
21
6:
21
6:
Circuit diagram
Electrical Wiring Work PAHCMW000
Contents
Connection Port
Function
RS485
CH1 (A+ / B-)
Module Comm. Port
Communication Port Modbus
CH2 (A+ / B-)
IDU Comm. Port
Communication with Multi V
Outdoor
UNIVERSAL
INPUT
(Cooling/Heating
Setting)
UI1
Flow Switch
Flow Switch Input by 3
rd
party
UI2
0-10V Set Temp
Target Temp. Setting
UI3
Cooling Thermostat Signal
Thermostat Cooling Signal
UI4
Heating Thermostat Signal
Thermostat Heating Signal
UNIVERSAL
INPUT
(DHW Only)
UI1
Flow Switch
Flow Switch Input by 3
rd
party
UI2
0-10V Set Temp
Target Temp. Setting
UI3
DHW Temperature
Transmitter 0-10V
Measured Water Temp Input
by 3
rd
party 0 ~10 V sensor
UI4
DHW Thermostat Signal
DHW Heating Signal
NTC
RI1
Water Inlet Sensor
PHEX Water Inlet Sensor
RI2
Water Outlet Sensor
PHEX Water Outlet Sensor
REMO
+12V / SIG / GND
LG Remote Controller
-
SINGLE
Reserved
-
-
DIGITAL
OUTPUT
DO1
Defrost/Mode
Output for defrost signal
and/or cool mode
DO2
Pump
Output signal for pump on/off
DO3
Bypass
Output signal for PHEX
Bypass Valve
NTC
RI3
Thermistor Pipe In
PHEX Ref. Inlet Pipe Sensor
RI4
Thermistor Pipe Out
PHEX Ref. Outlet Pipe
Sensor
EEV
+12V / 1 / 2 / 3 / 4
Expansion Valve
EEV Control
Summary of Contents for PAHCMW000
Page 19: ......
