User Guide

PRODUCT DATA | 21
Product Data
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REFRIGERANT FLOW DIAGRAMS
LSU/LAN180HSV4, LAU/LAN240HSV3
Thermistor Description PCB Connector
TH1
Indoor air temperature thermistor
CN-TH1 (Indoor)
TH2
Evaporator inlet temperature thermistor
TH3
Evaporator middle temperature thermistor
CN-TH2 (Indoor)
TH4
Evaporator outlet temperature thermistor
TH5
Water level sensor (optional) CN-TH3 (Indoor)
TH6
Outdoor air temperature thermistor
CN-TH2 (Outdoor)
TH7
Condensing temperature thermistor
TH8
Discharge pipe temperature thermistor CN-TH3 (Outdoor)
FIELD PIPING
(Ø 3/ 8” Copper Tubing)
FIELD PIPING
(Ø 5/ 8” Copper Tubing)
M
M
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Compressor
Accumulator
2-Way Valve
Reversing
Valve
Indoor Unit
: Cooling
: Heating
EEV
TH1
TH2
TH3
TH5
TH4
TH6
TH8
TH7
Liquid Side
Gas Side
3-
Way Valve
Outdoor Unit