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Note:
The system will stop operation due to excessive or insufficient refrigerant, therefore, always charge the unit properly. When servicing, always
refer to any notes about system piping length and additional refrigerant amounts.
System Refrigerant Charge Calculator (lbs.).
System Tag or ID___________________________________
Line #
1
Linear feet of 1/4" liquid line tubing
2
Linear feet of 3/8" liquid line tubing
3
Linear feet of 1/2" liquid line tubing
4
Linear feet of 5/8" liquid line tubing
5
Linear feet of 3/4" liquid line tubing
6
Linear feet of 7/8" liquid line tubing
7
Linear feet of 1" liquid line tubing
8
Wall Mounted + Art Cool Mirror
9
Wall Mounted + Art Cool Mirror
10
1-Way Cassette
11
2-Way Cassette
12
4-Way 2' x 2' Cassette
13
4-Way 2' x 2' Cassette
14
4-Way 2' x 2' Cassette
15
4-Way 3' x 3' Cassette
16
4-Way 3' x 3' Cassette
17
4-Way 3' x 3' Cassette
18
4-Way 3' x 3' Cassette
19
4-Way 3' x 3' Cassette
20
High Static Ducted
21
High Static Ducted
22
High Static Ducted
23
High Static Ducted
24
Low Static Ducted, Low Static Ducted Bottom Return
25
Low Static Ducted, Low Static Ducted Bottom Return
26
Vertical / Horizontal Air Handling Unit
27
Vertical / Horizontal Air Handling Unit
28
Vertical / Horizontal Air Handling Unit
29
Vertical / Horizontal Air Handling Unit
30
Ceiling Suspended
31
Convertible Surface Mount—Ceiling/Wall
32
Floor Standing
33
Floor Standing
Additional Refrigerant Charge Required
34
35a-c Water source unit Factory Refrigerant Charge
36
Total System Charge: Sum of Additional Refrigerant Charge Required and Total Factory Refrigerant Charge
CF (Ref.) = Correction Factor for Refrigerant Charge.
1
For refrigerant charge purposes, consider only the liquid line; ignore the vapor line(s).
2
REFRIGERANT CHARGE WORKSHEET
Description
2
2
2
2
2
2
2
Job Name_______________________________________
Project Manager__________________________________
Date___________________________________________
Chassis I.D.
—
—
—
—
—
—
—
SE
S8, S5
18k to 24k
TJ
TL
18k to 24k
TR
TR
TQ
15k to 18k
TN
TM
18k to 24k
TP
24k to 28k
TN
TM
42k to 48k
BH
BG
15k to 42k
BR
48k to 54k
B8
76k to 95k
B1, B3
B2, B4
18k to 24k
NJ
12k to 24k
NJ
NJ
NK
42k to 54k
VJ
18k to 24k
VE
CE (U)
CF (U)
18k to 24k
36a
ARWN038GA2
36b
ARWN048GA2
36c
ARWN053GA2
Size
Quantity
CF (Ref.)
—
—
—
—
—
—
—
7k to 15k
7k to 12k
5k to 7k
9k to 12k
9k to 15k
36k
7k to 24k
7k to 15k
30k
36k
9k to 12k
7k to 15k
38,200
47,800
52,900
Total (lbs.)
1
0.015
0.041
0.079
0.116
0.179
0.238
0.323
0.53
0.62
0.44
0.35
0.40
0.55
0.71
1.06
1.41
1.06
1.41
1.41
0.57
0.97
1.37
2.20
0.37
0.82
1.04
1.04
1.57
2.00
0.77
0.22
0.37
0.82
2.2
2.2
2.2
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