61
Table 67 —Correction Factor - Frosting/Defrosting
REFRIGERANT CHARGE CALCULATION
Calculate the amount of refrigerant (R-410A) to add using Table 68 to Table 72 and Fig. .
Table 68 —Refrigerant to Add per High Pressure Pipe
Table 69 —Refrigerant to Add per Liquid Pipe
Table 70 —Refrigerant to Add for Main MDC
Outdoor inlet air temp. °CWB
6
4
2
1
0
-2
-4
-6
-8
-10
-20
Outdoor inlet air temp. °FWB
43
39
36
34
32
28
25
21
18
14
-4
38VMA072RDS5-1 (RDS6-1)
1
0.98
0.87
0.86
0.85
0.89
0.92
0.94
0.95
0.95
0.95
38VMA096RDS5-1 (RDS6-1)
1
0.95
0.86
0.84
0.84
0.88
0.91
0.93
0.95
0.95
0.95
38VMA120RDS5-1 (RDS6-1)
1
0.92
0.84
0.82
0.83
0.86
0.9
0.9
0.92
0.95
0.95
38VMA144RDL5-1 (RDL6-1)
1
0.98
0.92
0.88
0.9
0.91
0.92
0.94
0.95
0.95
0.95
38VMA168RDS5-1 (RDS6-1)
1
0.98
0.9
0.88
0.9
0.91
0.92
0.94
0.95
0.95
0.95
38VMA192RDS5-1 (RDS6-1)
1
0.98
0.89
0.86
0.88
0.9
0.91
0.93
0.94
0.95
0.95
38VMA216RDS5-1 (RDS6-1)
1
0.94
0.87
0.84
0.86
0.88
0.91
0.92
0.92
0.95
0.95
38VMA240RDS5-1 (RDS6-1)
1
0.92
0.84
0.82
0.84
0.85
0.88
0.89
0.9
0.95
0.95
38VMA240RDL5-1 (RDL6-1)
1
0.98
0.92
0.88
0.9
0.91
0.92
0.94
0.95
0.95
0.95
38VMA264RDS5-1 (RDS6-1)
1
0.98
0.9
0.88
0.9
0.91
0.92
0.94
0.95
0.95
0.95
38VMA288RDS5-1 (RDS6-1)
1
0.98
0.89
0.86
0.88
0.9
0.91
0.93
0.94
0.95
0.95
38VMA312RDS5-1 (RDS6-1)
1
0.94
0.87
0.84
0.86
0.88
0.91
0.92
0.92
0.95
0.95
38VMA336RDS5-1 (RDS6-1)
1
0.93
0.86
0.83
0.85
0.97
0.91
0.92
0.92
0.95
0.95
HIGH PRESSURE (MIXED-PHASE) PIPE DIAMETER Ø (in.)
REFRIGERANT to be ADDED PER FOOT (lb/ft)
1 -1/8
0.254
7/8
0.141
3/4
0.094
5/8
0.061
LIQUID PIPE DIAMETER Ø (in.)
REFRIGERANT to be ADDED PER FOOT (lb/ft)
5/8
0.114
1/2
0.074
3/8
0.038
1/4
0.015
MAIN MDC MODEL NAME
CHARGE AMOUNT PER UNIT (lbs)
40VMD006M
11.0
40VMD008M
11.0
40VMD010M
11.0
40VMD016M
11.0
40VMD016ML
15.4
Summary of Contents for 38VMA072RDS5-1
Page 24: ...24 Refrigerant Circuit Diagram Fig 7 38VMA072 096 120RDS Models...
Page 25: ...25 Refrigerant Circuit Diagram Cont Fig 8 38VMA144RDL 168 196 216 240RDS Models...
Page 26: ...26 Refrigerant Circuit Diagram Cont Fig 9 38VMA240RDL 264 288 312 336RDS Models...
Page 55: ...55 Equipment Selection SELECTION FLOW CHART Fig 53 Selection Flow Chart...
