LG Multi IV User Manual

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MULTI V IV Outdoor Unit Engineering Manual
Table 49: System Refrigerant Charge Calculator (lbs.).
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REFRIGERANT PIPING DESIGN
1
CF (Ref.) = Correction Factor for Refrigerant Charge.
2
For refrigerant charge purposes, consider only the liquid line; ignore the vapor line(s).
3
ARU*145BTE4/145DTE4 & ARU*169BTE4/169DTE4 frames are ONLY for large capacity triple frame combinations. They cannot be used as stand alone
models or in a dual frame combination. These ARE NOT interchangeable with ARU*144BTE4/144DTE4 & ARU*168BTE4/168DTE4 single frame models.
System Tag or ID____________________________________
Job Name_______________________________________
Project Manager__________________________________
Date___________________________________________
Line # Description Chassis I.D. Size Quantity CF (Ref.)
1
Total (lbs.)
1 Linear feet of 1/4" liquid line tubing
2
— — 0.015
2 Linear feet of 3/8" liquid line tubing
2
— — 0.041
3 Linear feet of 1/2" liquid line tubing
2
— — 0.079
4 Linear feet of 5/8" liquid line tubing
2
—— 0.116
5 Linear feet of 3/4" liquid line tubing
2
— — 0.179
6 Linear feet of 7/8" liquid line tubing
2
— — 0.238
7 Linear feet of 1" liquid line tubing
2
— — 0.323
8 Art Cool Gallery SF 9k to 12k 0.22
9 Wall Mounted + Art Cool Mirror SB, SE 5k to 15k 0.53
10 Wall Mounted + Art Cool Mirror SC 18k to 24k 0.62
11 Wall Mounted SV 30k to 36k 1.01
12 1-Way Cassette TU 7k to 12k 0.44
13 1-Way Cassette TT 18k to 24k 0.64
14 2-Way Cassette TL 18k to 24k 0.35
15 4-Way 2' x 2' Cassette TR 5k to 7k 0.40
16 4-Way 2' x 2' Cassette TR 9k to 12k 0.55
17 4-Way 2' x 2' Cassette TQ 15k to 18k 0.71
18 4-Way 3’ x 3’ Cassette TNA 7k to 24k 0.89
19 4-Way 3' x 3' Cassette TPC 24k to 28k 1.06
20 4-Way 3’ x 3’ Cassette TMA 24k to 36k 1.08
21 4-Way 3' x 3' Cassette TNC 36k 1.41
22 4-Way 3' x 3' Cassette TMC 42k to 48k 1.41
23 High Static Ducted BH 7k to 24k 0.57
24 High Static Ducted BG 7k to 42k 0.97
25 High Static Ducted BR 28k to 54k 1.37
26 High Static Ducted B8 36k to 96k 2.2
27 Low Static Ducted L1 7k to 9k 0.31
28 Low Static Ducted L2 12k to 18k 0.42
29 Low Static Ducted L3 24k 0.55
30 Low Static Ducted Bottom Return B3 7k to 15k 0.37
31 Low Static Ducted Bottom Return B4 18k to 24k 0.82
32 Vertical / Horizontal Air Handling Unit NJ 12k to 30k 1.04
33 Vertical / Horizontal Air Handling Unit NJ 36k 1.57
34 Vertical / Horizontal Air Handling Unit NK 42k to 54k 2.00
35 Ceiling Suspended VJ 18k to 24k 0.77
36 Convertible Surface Mount—Ceiling / Wall VE 9k to 12k 0.22
37 Floor Standing CE (U) 7k to 15k 0.37
38 Floor Standing CF (U) 18k to 24k 0.82
39 PRHR022A, PRHR032A, PRHR042A — — 1.1
40 Additional Refrigerant Charge Required
41 Outdoor Unit Factory Refrigerant Charge
41a ARU*072***4 72k 16.9
41b ARU*096***4 96k 23.6
41c ARU*121***4 121k 23.6
41d ARU*144***4 144k 23.6
41e ARU*145***4 144k 23.6
41f ARU*168***4 168K 23.6
41g ARU*169***4 168K 23.6
42 Total Factory Refrigerant Charge (sum of refrig. charge for all Outdoor Units in the system)
43 Total System Charge: Sum of Additional Refrigerant Charge Required and Total Factory Refrigerant Charge

LG Multi IV Specifications

General

Brand	LG
Model	Multi IV
Category	Heat Pump
Language	English