Maximum Length Of Pipe And Extra Charge Of Refrigerant Charge - LG AMNH076LQL0 Service Manual

Installation

Maximum Length of Pipe and Extra Charge of Refrigerant Charge

1. TPS Inverter Multi -Multi Piping Type
1.1 The maximun allowable level and piping length
[Outdoor Unit]
15m
Model Standard Length
[Outdoor Unit]
A2UW146FA0
A2UW186FA0
A3UW186FA0
A3UW246FA0
A4UW246FA0
A4UW306FA0
1.2 Refrigerant Charge
Indoor Unit Capacity
(Btu/h)
7k, 9k, 12k
18k, 24k
Extra refrigerant = (Extended length - Rated length) x Additional refrigerant
72 Multi type Air Conditioner
Max piping length each indoor unit
A,B,C,D A
7.5m 25m
7.5m 25m
7.5m 25m
Pipe Size
Gas Liquid
3/8"(9.52mm) 1/4"(6.35mm)
1/2"(12.7mm) 1/4"(6.35mm)
It does not matter which unit is higher.
[Indoor Unit]
A
B
C
D
B C D
25m - -
25m 25m -
25m 25m 25m
Rated
Length
7.5m
7.5m
7.5m
Max total piping length
40m(A+B)
50m(A+B+C)
70m(A+B+C+D)
Max Additional
Length Refrigerant
25m 25g/m
25m 35g/m