Multi Zone Service Manual - General

Part 1 General Information
3. Nomenclature
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Only for training and service purposes
USN W 309 B 4
B
Electrical rating
3 : 208/230V, 1Ø, 60Hz
G : 208/230V, 1Ø, 60Hz
220-240V, 1Ø, 50Hz
USN : Split type indoor unit using R410A from LGETA
ASN : Split type indoor unit using R410A from LGEKR
Model type
W : DC Inverter heat pump
Cooling/heating capacity
Ex) 9,000 Btu/h Class → '09', 18,000 Btu/h Class → '18'
Chassis name
Function
B : Non plasma
Look
4 :Color (Panel:White)
2
Serial number
AMN W G
18
QTA0
Serial number
Indicates that this is multi system indoor unit using R410A
Model type
W : DC Inverter heat pump
Ex) 9,000 Btu/h Class → '09', 18,000 Btu/h Class → '18'
Cooling/heating capacity
Electrical rating
3 : 208/230V, 1Ø, 60Hz
G : 208/230V, 1Ø, 60Hz
220-240V, 1Ø, 50Hz
Chassis name
Indoor unit type
D : Wall Mounted
T : Ceiling cassette
B : Ceiling concealed duct
Function
A : Basic
n Wall Mounted indoor units
3.1 Indoor units
n Ceiling cassette / Ceiling concealed duct indoor units