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PERFORMANCE DATA - 2 TON
CONDENSER-ONLY DATA (OUTDOOR UNIT)
SATURATED SUCTION
@ COMPRESSOR
MODEL
T (°F)
35
40
AC19B2421S
45
(Stage 2)
50
55
35
40
AC19B2421S
45
(Stage 1)
50
55
Notes:
1. For Outdoor Unit (Condenser) performance only. Data does not include the effects of air handler power or heat.
2. Performance based on 15°F subcooling and 15°F superheat at the Outdoor Unit base valves.
a. Increase capacity by 1% for each 2°F increase in subcooling.
b. Decrease capacity by 1% for each 2°F decrease in subcooling.
3. Maximum recommended condensing temperature is 140°F.
COOLING PERFORMANCE DATA
OUTDOOR UNIT MODEL NO.
INDOOR COIL MODEL NO.
ID CFM
AIR TEMP.
ENTERING
ID DB (°F)
OUTDOOR UNIT (°F)
ID WB (°F)
55
65
75
85
95
105
115
125
NOTE: ALL CAPACITIES INCLUDE INDOOR FAN HEAT. KW VALUES ARE FOR THE SYSTEM (OUTDOOR + INDOOR).
Green shaded cells are ACCA (TVA) conditions.
Blue shaded cells are AHRI conditions.
Multipliers for determining the performance with other indoor sections.
NOTE: For dry bulb temperatures different than those listed (between 73-87 °F), sensible capacity increases by 1060 BTUH per 1000 CFM per degree above the listed
temperature and decreases by 1060 BTUH per 1000 CFM per degree below the listed temperature.
Johnson Controls Ducted Systems
55 °F
65 °F
P (PSIG)
MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW
107
21.6 1.26 20.6 1.39 19.5 1.53 18.4 1.68 17.3 1.86 16.1 2.06 14.8 2.29 13.5 2.56
118
24.2 1.18 23.2 1.32 22.1 1.45 21.0 1.60 19.7 1.76 18.5 1.95 17.1 2.17 15.7 2.41
130
26.0 1.24 24.9 1.38 23.7 1.52 22.4 1.67 21.1 1.84 19.7 2.05 18.2 2.28 16.6 2.54
142
28.5 1.23 27.3 1.37 26.0 1.51 24.7 1.66 23.2 1.84 21.7 2.04 20.0 2.27 18.4 2.53
156
31.2 1.22 29.9 1.36 28.5 1.50 27.0 1.65 25.5 1.82 23.8 2.03 22.1 2.26 20.3 2.52
107
15.0 0.91 14.1 1.03 13.2 1.15 12.4 1.30 11.5 1.46 10.5 1.65
118
16.6 0.89 15.6 1.00 14.7 1.13 13.8 1.28 12.8 1.44 11.8 1.62 10.7 1.83
130
18.4 0.86 17.3 0.98 16.3 1.11 15.3 1.25 14.3 1.41 13.2 1.60 12.0 1.80 10.7 2.02
142
20.4 0.84 19.1 0.95 18.0 1.08 16.9 1.23 15.8
156
22.5 0.81 21.1 0.93 19.8 1.06 18.7 1.20 17.5 1.36 16.3 1.55 15.0 1.75 13.6 1.96
AC19B2421S
CF48CXA1
600
80
80
75
57
62
62
T.C.
22.5
24.7
24.8
S.C.
21.7
19.4
16.5
KW
1.12
1.12
1.12
T.C.
22.0
23.9
23.8
S.C.
21.3
19.1
16.1
KW
1.25
1.25
1.25
T.C.
21.4
23.0
22.7
S.C.
20.9
18.7
15.6
KW
1.37
1.37
1.37
T.C.
20.7
22.0
21.9
S.C.
20.1
18.2
15.3
KW
1.53
1.53
1.53
T.C.
19.9
21.1
21.1
S.C.
19.4
17.8
15.0
KW
1.69
1.69
1.68
T.C.
18.9
19.9
19.9
S.C.
18.4
17.2
14.4
KW
1.93
1.92
1.92
T.C.
18.0
18.8
18.7
S.C.
17.5
16.6
13.9
KW
2.16
2.16
2.16
T.C.
17.0
17.6
17.5
S.C.
16.5
16.1
13.3
KW
2.39
2.39
2.39
Outdoor Ambient Temperature
75 °F
85 °F
800
80
80
80
80
75
67
72
57
62
62
27.1
29.3
24.2
25.7
25.7
16.4
13.1
23.5
22.2
18.5
1.13
1.13
1.20
1.20
1.20
26.2
28.7
23.7
24.9
24.7
16.0
12.7
23.0
21.9
18.1
1.25
1.25
1.32
1.33
1.32
25.4
28.0
23.2
24.0
23.7
15.6
12.2
22.6
21.5
17.8
1.37
1.38
1.44
1.46
1.45
24.2
26.9
22.3
23.0
22.7
15.2
12.1
21.7
20.8
17.3
1.53
1.53
1.60
1.61
1.60
23.1
25.8
21.5
22.0
21.7
14.8
11.9
20.9
20.0
16.9
1.69
1.69
1.76
1.76
1.76
21.8
24.3
20.4
20.7
20.5
14.3
11.3
19.8
19.1
16.3
1.93
1.93
2.00
2.00
2.00
20.5
22.8
19.3
19.5
19.3
13.8
10.8
18.8
18.2
15.7
2.16
2.16
2.23
2.23
2.23
19.3
21.4
18.2
18.3
18.1
13.3
10.2
17.7
17.3
15.2
2.39
2.39
2.46
2.46
2.46
5493752-CTG-F-0420
95 °F
105 °F
115 °F
9.4
14.7 1.57 13.5 1.78 12.1 1.99
1.39
1000
80
80
80
80
75
67
72
57
62
62
28.0
29.5
25.9
26.8
26.5
18.2
13.8
25.3
25.0
20.5
1.20
1.21
1.27
1.27
1.27
27.1
29.2
25.4
25.9
25.6
17.9
13.6
24.8
24.7
20.2
1.32
1.33
1.39
1.40
1.40
26.3
28.8
24.9
25.0
24.7
17.6
13.4
24.3
24.3
19.9
1.45
1.45
1.51
1.54
1.52
25.0
27.5
24.0
23.9
23.6
17.3
13.2
23.4
23.3
19.3
1.60
1.61
1.67
1.69
1.67
23.8
26.3
23.0
22.9
22.4
17.0
12.9
22.4
22.3
18.8
1.76
1.76
1.83
1.83
1.83
22.5
24.9
21.8
21.5
21.1
16.4
12.4
21.3
21.0
18.2
2.00
2.00
2.07
2.07
2.07
21.2
23.5
20.6
20.3
19.8
15.8
12.0
20.1
19.7
17.6
2.23
2.24
2.30
2.30
2.30
19.9
22.1
19.5
19.0
18.6
15.2
11.5
19.0
18.5
17.0
2.46
2.47
2.53
2.53
2.54
125 °F
1.85
8.2
2.07
9.4
2.05
80
80
67
72
28.9
29.8
20.0
14.5
1.28
1.28
28.0
29.7
19.8
14.6
1.40
1.41
27.2
29.5
19.6
14.6
1.52
1.53
25.9
28.2
19.4
14.3
1.68
1.68
24.5
26.9
19.2
13.9
1.83
1.84
23.2
25.5
18.4
13.5
2.07
2.08
21.8
24.1
17.8
13.2
2.30
2.31
20.5
22.8
17.1
12.8
2.53
2.55
61
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