System Engineering
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SYSTEM ENGINEERING
Due to our policy of continuous product innovation, some specifications may change without notification.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
Refrigerant Charge—ARUN 036, 047, 053
MINI REFRIGERANT CHARGE
Table 33: System Refrigerant Charge Calculator (lbs.)
Job Name_______________________________________
System Tag or ID____________________________________ Project Manager__________________________________
Date___________________________________________
Line # Description/Style Chassis ID Size Quantity R410A Charge/Unit Total (lbs.)
1 Linear feet of 1/4” liquid line tubing
1
0.015
2 Linear feet of 3/8” liquid line tubing
1
0.041
3 Linear feet of 1/2” liquid line tubing
1
0.079
4 Wall Mounted + ArtCool Mirror SE 7k to 15k 0.53
5 Wall Mounted + ArtCool Mirror S8, S5 18k to 24k 0.62
6 1-Way Cassette TJ 7k to 12k 0.44
7 2-Way Cassette TL 18k to 24k 0.35
8 4-Way Small Cassette TR 5k to 7k 0.40
9 4-Way Small Cassette TR 9k to 12k 0.55
10 4-Way Small Cassette TQ 15k to 18k 0.71
11 4-Way Large Cassette TN 9k to 15k 1.06
12 4-Way Large Cassette TM 18k to 24k 1.41
13 4-Way Large Cassette TP 24k to 28k 1.06
14 4-Way Large Cassette TN 36k 1.41
15 4-Way Large Cassette TM 42k to 48k 1.41
16 High Static Ducted BH 7k to 24k 0.57
17 High Static Ducted BG 15k to 42k 0.97
18 High Static Ducted BR 48k 1.37
19 Low Static Ducted B1, B3 7k to 15k 0.37
20 Low Static Ducted B2, B4 18k to 24k 0.82
21 Vertical Air Handler NJ 18k to 24k 1.04
22 Vertical Air Handler NJ 30k 1.04
23 Vertical Air Handler NJ 36k 1.57
24 Vertical Air Handler NK 42k to 54k 2.00
25 Ceiling Suspended VJ 18k to 24k 0.77
26 Convertible Surface Mount—Ceiling/Wall VE 9k to 12k 0.22
27 Floor Standing CE 7k to 15k 0.37
28 Floor Standing CF 18k to 24k 0.82
29 ARUN 036 ODU -1.1
30 ARUN 047 ODU 0
31 ARUN 053 ODU 0
Trim Charge (lbs) (sum lines 1–30)
ODU Factory Charge ARUN 036, 047, 053 6.6
System Charge, Total of Trim and Factory Charge (lbs)
1. For charging purposes, consider only the liquid line, ignore the vapor line. 3. If trim charge is negative, remove refrigerant.
2. Maximum quantity of indoor units allowed:
ARUN 036 = 6
ARUN 047 = 8
ARUN 053 = 9
4. If trim charge is positive, add refrigerant.
5. Take appropriate actions at the end of the equipment's
useful life to recover, recycle, reclaim, or destroy R410A
refrigerant according to applicable US EPA rules.
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