Maximum Length Of Pipe And Extra Charge Of Refrigerant Charge - LG AMNH096VEA0 Service Manual

Multi type air conditioner
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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]
A2UW146FA0/1/2
A2UW166FA0/1
A2UW186FA0
A3UW186FA0/1
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
Max piping length each indoor unit
A,B,C,D
A
7.5m
20m
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
20m
-
-
25m
-
-
25m
25m
-
25m
25m
25m
Rated
Length
7.5m
7.5m
7.5m
Max total piping length
30m(A+B)
40m(A+B)
50m(A+B+C)
70m(A+B+C+D)
Max
Additional
Length
Refrigerant
25m
25g/m
25m
35g/m
Service Manual 79
Installation

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