Piping Diagrams - LG AUUW09GA0 Engineering Product Data Book

Single CAC
Outdoor Unit

6. Piping Diagrams

"Synchro" Duo
AUUW426D2 [UU42W U32], AUUW486D2 [UU48W U32], AUUW606D2 [UU60W U32]
AUUW428D2 [UU43W U32], AUUW488D2 [UU49W U32], AUUW608D2 [UU61W U32]
AUUW70LAE [UU70W U34], AUUW85LAE [UU85W U74]
INDOOR UNIT
Heat exchanger
Heating
Cooling
Turbo fan
M
Thermistor for
Evaporator inlet
Thermistor for
temperature
Evaporator
outlet temperature
INDOOR UNIT
Heat exchanger
Heating
Cooling
Turbo fan
M
Thermistor for
Evaporator inlet
Thermistor for
temperature
Evaporator
outlet temperature
10
Thermistor for
suction air
temperature
Gas Piping
ØB
Liquid Piping
ØA
Branch kit
(Accessory)
Thermistor for
Service Valve
suction air
temperature Gas(Ø15.88)
Service Valve
Liquid(Ø9.52)
Branch kit
(Accessory)
Gas Piping
Ø B
Liquid Piping
ØA
Note :
1.The pipes between the indoor units and the branch kits must have
Ø9.52
Flare Connection
Strainer Strainer
Electronic
Expansion Valve
High
Pressure
Sensor
Ø15.88
Flare Connection
Accumulator
Suction
Temperature
Thermistor
Indoor Unit Liquid Pipe, A Gas Pipe, B
(kW)
(mm) (mm)
7.1
8.0
9.52 15.88
12
same dimensions as indoor unit connections.
Standard Inverter - Synchro
Outdoor Uni t
Inlet Air
Temperature
Condenser Out
Thermistor
Temperature
Thermistor
Condensing
Temperature
Thermistor
M
4 way
Valve
Discharge
Temperature
Thermistor
Inverter
Compressor
Refrigerant Flow
Cooling
Heating