LG multi V ARUN Series - Refrigerant Amount and Leak Caution

42 Outdoor Unit
Pipe connections between indoor and outdoor unit
u The amount of Refrigerant
The calculation of the additional charge should take into account the length of pipe and CF(correction
Factor) value of indoor unit.
Additional charge(kg)
+
+
+
=
+
Total liquid pipe
:Ø25.4 mm
Total liquid pipe
:Ø22.2 mm
Total liquid pipe
:Ø19.05 mm
Total liquid pipe
:Ø15.88 mm
Total liquid pipe
:Ø12.7 mm
Total liquid pipe
:Ø9.52 mm
Total liquid pipe
:Ø6.35 mm
CF value of indoor unit
+
+
+
CAUTION
Use only 2-series of indoor unit. Ex) ARNU***2
Amount refrigerant of Indoor units
Example) 4Way Ceiling Cassette 14.5kW -1ea
Ceiling concealed Duct 7.3kW-2ea
Wall Mounted 2.3kW-4ea
CF = 0.64 × 1 + 0.26 × 2 + 0.24 × 4 = 2.12 kg
CF value of indoor unit (unit : kg)
Capacity(Btu/h(kW))
5k 7k 9k 12k 15k 18k 24k 28k 36k 42k 48k 76k 96k
Type
(1.6) (2.2) (2.8) (3.6) (4.5) (5.6) (7.1) (8.2) (10.6) (12.3) (14.1) (22.4) (28.0)
Ceiling Concealed Duct (Low Static)
- 0.17 0.17 0.17 0.17 0.37 0.37
------
Ceiling Concealed Duct (High Static)
- 0.26 0.26 0.26 0.26 0.26 0.26 0.44 0.44 0.44 0.62 1.00 1.00
Wall Mounted
- 0.24 0.24 0.24 0.24 0.28 0.28
------
1Way Ceiling Cassette
- 0.20 0.20 0.20 - 0.29 0.29
------
2Way Ceiling Cassette
-----
0.16 0.16 ------
4Way Ceiling Cassette
0.18 0.18 0.25 0.25 0.32 0.32 0.48 0.48 0.64 0.64 0.64 - -
ARTCOOL Gallery
- 0.10 0.10 0.10
---------
Floor Standing
- 0.17 0.17 0.17 0.17 0.37 0.37
------
Ceiling & Floor
- - 0.10 0.10
---------
Ceiling Suspended
-----
0.35 0.35 - 0.54 - 0.75 - -
Console
- 0.17 0.17 0.17 0.17
--------
Fresh Air Intake Unit
-
-
-
-
-
-
-
-
-
-
0.62
1.00
1.00
Heat recovery ventilator(DX)
-
-
-
0.20
-
0.20
0.20
-
-
-
-
-
-