LG MULTI V 5 Manual Book page 27

Hydro Kit
1. Medium Temperature
Th3
GAS
SIDE
Strainer Check
Valve
Bypass
Valve
Th2
LIQUID
SIDE
Strainer EEV
Symbol Description
Symbol Description
Th1 Air Temperature Sensor
Th1 Air Temperature Sensor
Th2 Liquid Side Temperature Sensor
Th2 Liquid Side Temperature Sensor
Th3 Gas Side Temperature Sensor
Th3 Gas Side Temperature Sensor
Th4 Th4 Water Inlet Temperature Sensor Water Inlet Temperature Sensor
Th5 Water Outlet Temperature Sensor
Th5 Water Outlet Temperature Sensor
052
_TROUBLE SHOOTING GUIDE BOOK
Th5
Water
Outlet
Flow
Switch
Th4
Water
Inlet
Plate Heat
Exchanger
PCB Connector Remarks
PCB Connector Remarks
*Optional accessory *Optional accessory
CN-ROOM (being sold separately)
CN-ROOM (being sold separately)
*Not shown in diagram
*Not shown in diagram
CN-PIPE/IN
CN-PIPE/IN
CN-PIPE/OUT
CN-PIPE/OUT
*Th4 and Th5 are connected to 4 pin
*Th4 and Th5 are connected to 4 pin
CN-TH3 CN-TH3
type connector CN-TH3 type connector CN-TH3
2. High Temperature
Hydro Kit (For High Temperature)
R134a CYCLE
Outdoor Unit
Th2
Liquid
Side
E E V
Strainer
Th3
Gas
Side
Strainer
Plate Heat
Exchanger
High Pressure
Sensor
Low Pressure
Sensor
Accum.
(Sub)
Symbol Description
Th1 Air Temperature Sensor
Th2 Liquid Side Temperature Sensor
Th3 Gas Side Temperature Sensor
Th4 Water Inlet Temperature Sensor
Th5 Water Outlet Temperature Sensor
Th6 Suction Pipe Temperature Sensor
Th7 Discharge Pipe Temperature Sensor
Th8 Inside Air Temperature Sensor
Water Tank
Flow Switch
Th4
Water Inlet
E E V
Strainer
Th5
Water Outlet
Plate Heat
Exchanger
Th7
Th6
Inv.
Compressor
PCB Connector Remarks
*Optional accessory
CN-ROOM
(being sold separately)
(Main PCB)
*Not shown in diagram
CN-PIPE/IN
(Main PCB)
CN-PIPE/OUT
(Main PCB)
CN-TH3 *Th4 and Th5 are connected to
(Main PCB) 4 pin type connector CN-TH3(Black)
CN-TH3 * Th6 and Th7 are connected to
(Inverter PCB) 4 pin type connector CN-TH3(Red)
CN-TH2
*Not shown in diagram
(Inverter PCB)
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