Installation - LG LM50 Product Data

14. Installation

14.1 Piping Length & Refrigerant Charge
The maximun allowable level and piping length
7.5m
Model
[Outdoor Unit]
A2UC/H146FA0
A2UC/H186FA0
A3UC/H216FA0
A4UC/H306FA0
Refrigerant Charge
Indoor Unit Capacity
(Btu/h)
7k, 9k, 12k
18k, 24k
❋ Extra refrigerant = (Extended length - Rated length) x Additional refrigerant
Get user manuals: See SafeManuals.com
[Outdoor Unit]
Standard Length
A, B, C, D
7.5m 15m
7.5m 15m
7.5m 15m
7.5m 15m
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.
A
B
C
D
Max piping length each indoor unit
A B C
15m -
15m -
15m 15m
15m 15m
Rated Max
Length Length
7.5m 15m
7.5m 15m
Indoor Unit
Max total
piping length
D
- 30m(A+B)
- 30m(A+B)
- 45m(A+B+C)
15m 60m(A+B+C+D)
Additional
Refrigerant
30g/m
30g/m
2004 Product Data
7.5m
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