LG FMN0760NL, Service Manual

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Refrigeration Cycle Diagram
1. FM-4480N6L (Cooling & Heating modes)
A
B
C
D
E
F
Heat Exchanger
Indoor Unit
Outdoor Unit
3-WAY
Valve
Heat Exchanger
4-WAY
Valve
Comp
ex)
LEV
Cooling & Deice
Heating
INDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
B(Length)
D(Length)
A(Height)
C(Height)
9.52mm(3/8") 6.35mm(1/4")
12.7mm(1/2") 6.35mm(1/4") 7.5 7.5 25 25
15.88mm(5/8") 6.35mm(1/4")
Pipe Size
GAS LIQUID
Max. length
(m)
Additional
Refrigerant (g/m)
Max. Elevation
(m)
Standard Length
(m)
** A, B mean indoor unit higher located than outdoor unit.
C, D mean outdoor unit higher located than indoor unit.
For installation over rated distance, 25g of refrigerant should be added for each meter in Heat pump Model.
ex) When installed at a distance of 15m, 75g of refrigerant should be added in Heat pump Model.
(15 – 7.5) x 25g = 187.5g
(Rated performance for refrigerant line length of : 7.5m)