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42 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.
CAUTION
CF value of indoor unit (Unit : lbs)
Additional
charge(lbs)
+
+
+
=
+
T
otal liquid pipe
:Ø25.4mm(1inch)
T
otal liquid pipe
:Ø22.2mm(7/8inch)
T
otal liquid pipe
:Ø19.05mm(3/4inch)
T
otal liquid pipe
:Ø15.88mm(5/8inch)
T
otal liquid pipe
:Ø12.7mm(1/2inch)
T
otal liquid pipe
:Ø9.52mm(3/8inch)
1.1lbs
0.323(lbs/ft)
0.238(lbs/ft)
0.179(lbs/ft)
0.116 (lbs/ft)
0.015(lbs/ft)
0.079(lbs/ft)
0.041(lbs/ft)
T
otal liquid pipe
:Ø6.35mm(1/4inch)
Number of installed
HR units
+
+
+
CF value of
indoor unit
+
Use only 2-series of indoor unit. Ex) ARNU***2
# : Use only ARNU153BGA2, ARNU183BGA2, ARNU243BGA2
##: Use only ARNU093TN*2, ARNU123TN*2, ARNU153TN*2, ARNU183TM*2, ARNU243TM*2
Refrigerant piping system
Capacity(Btu/h)
5k 7k 9k 12k 15k 18k 24k 28k 36k 42k 48k 54k 76k 96k
Type
Ceiling Consealed Duct(Low Static)
0.37 0.37 0.37 0.37 0.82 0.82
Ceiling Consealed Duct(High Static)
0.57 0.57 0.57
0.57
0.97
#
0.57
0.97
#
0.57
0.97
#
0.97 0.97 0.97 1.37 2.20 2.20
Wall Mounted(ARTCOOL Mirror) 0.53 0.53 0.53 0.53 0.62 0.62
1way Ceiling Cassette 0.44 0.44 0.44
2way Ceiling Cassette 0.35 0.35
4way Ceiling Cassette 0.40 0.40
0.55
1.06
##
0.55
1.06
##
0.71
1.06
##
0.71
1.41
##
1.06
1.41
##
1.06 1.41 1.41 1.41
ARTCOOL Gallery 0.22 0.22 0.22
Floor Standing 0.37 0.37 0.37 0.37 0.82 0.82
Ceiling & Floor 0.22 0.22
Ceiling Suspended 0.77 0.77
Console 0.37 0.37 0.37 0.37
Fresh Air Intake Unit 1.37 2.20 2.20
Heat Recovery ventilator(DX) 0.44 0.44 0.44
Hydro kit 3.53
Vertical AHU 1.04 1.04 1.57 2.00 2.00 2.00
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