VRC Series IOM
12
IOM-M2-0316
Technical Support: (800) 789-8550
Part Number 478603
Approximate Charge Chart
For reference only. Proper charge should be checked
using superheat and subcooling. Refer to the
Piping/Charging Procedure
on page 10.
Casing
Tonnage
Dehumidification Coils
High Airflow Coils
Refrigerant Add / ft of Line*
Circuit A (lbs) Circuit B (lbs) Circuit A (lbs) Circuit B (lbs) Circuit A (oz) Circuit B (oz)
110
5
10.7
12.5
1.0
8
15.6
17.9
1.1
10
20.2
N/A
1.8
210
10
9.8
8.0
13.6
11.8
1.0
1.0
13
11.0
12.9
13.6
15.8
1.0
1.1
16
16.4
13.5
18.1
15.0
1.1
1.1
18
16.2
17.0
20.4
20.9
1.1
1.8
20
20.3
16.1
19.7
15.4
1.8
1.8
25
18.9
20.8
N/A
N/A
1.8
3.4
310
25
24.1
19.8
25.0
20.5
1.8
1.8
30
23.0
27.2
25.2
25.4
1.8
3.4
35
29.9
26.6
26.9
24.7
3.4
3.4
40
32.6
25.6
N/A
N/A
3.4
3.4
*ft of line = The one-way line distance between the two units or the length of the liquid line alone. Use actual line length, not equivalent line
length for charge calculations.
Refrigeration Piping Schematic