28
Outdoor Unit
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
+
+
+
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)
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0.17 0.17 0.17 0.17 0.37 0.37
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-
-
-
-
-
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0.26 0.26 0.26 0.26 0.26 0.26 0.44 0.44 0.44 0.62 1.00 1.00
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0.24 0.24 0.24 0.24 0.28 0.28
-
-
-
-
-
-
-
0.20 0.20 0.20
-
0.29 0.29
-
-
-
-
-
-
-
-
-
-
-
0.16 0.16
-
-
-
-
-
-
0.18 0.18 0.25 0.25 0.32 0.32 0.48 v0.48 0.64 0.64 0.64
-
-
-
0.10 0.10 0.10
-
-
-
-
-
-
-
-
-
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0.17 0.17 0.17 0.17 0.37 0.37
-
-
-
-
-
-
-
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0.10 0.10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.35 0.35
-
-
-
-
-
-
-
0.17 0.17 0.17 0.17
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.62 1.00 1.00
-
-
-
0.20
-
0.20 0.20
-
-
-
-
-
-
Refrigerant piping installation
Use only 2-series of indoor unit. Ex) ARNU***2, URNU***2
CAUTION
Ceiling Concealed Duct (Low Static)
Ceiling Concealed Duct (High Static)
Wall Mounted
1Way Ceiling Cassette
2Way Ceiling Cassette
4Way Ceiling Cassette
ARTCOOL Gallery
Floor Standing
Ceiling & Floor
Ceiling Suspended
Console
Fresh Air Intake Unit
Heat recovery ventilator(DX)
Содержание Multi V Space ARUV Series
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