Carrier Gemini 38AU 07 Series Installation, Start-Up And Service Instructions Manual page 8
Air-cooled condensing units with puron r-410a refrigerant
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MODEL &
LINEAR LINE (FT) 0 - 24
NOMINAL
EQUIV. LINE (FT)
0 - 37
CAPACITY
Liquid Line size
Liquid PD (F)
Max Lift (ft)
38AUZ_07
Max Lift PD (F)
TC 68.5,
Suction Line size
SC 5.57°F
Suction Ln PD (F)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
38AUZ(A,B)
Max Lift PD (F)
08
TC 91.9,
Suction Line size
SC 11.8°F
Suction Ln PD (F)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
38AUZ(D,E)
Max Lift PD (F)
08
TC 92.0,
Suction Line size
SC 11.3°F
Suction Ln PD (F)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
38AUZ_12
Max Lift PD (F)
TC 113.1,
Suction Line size
SC 7.1°F
Suction Ln PD (F)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
Max Lift PD (F)
38AUZ_14
TC 146.1,
Suction Line size
SC 3.9°F
Suction Ln PD
(F) (Cap Red)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
Max Lift PD (F)
38AUZ_16
TC 185.7,
Suction Line size
SC 18.4°F
Suction Ln PD
(F) (Cap Red)
Charge (lb)
#/TR
Liquid Line size
Liquid PD (F)
Max Lift (ft)
Max Lift PD (F)
38AUZ_25
TC 233.3,
Suction Line size
SC 13.0°F
Suction Ln PD
(F) (Cap Red)
Charge (lb)
#/TR
Table 8 — 38AUZ Piping Recommendations (Single-Circuit)
25 - 49
50 - 74
38 - 74
75 - 112
3
/
"
3
/
"
1
/
"
1
/
"
8
8
2
2
2.0
4.0
0.7
1.1
18
7
34
31
3.5
4.6
3.5
3.5
7
/
"
7
/
"
1-
1
/
"
7
/
"
1-
8
8
8
8
0.9
1.8
0.5
2.7
10.8
11.8
13.7
15.2
1.90
2.07
2.41
2.67
1
/
"
1
/
"
5
/
"
1
/
"
2
2
8
2
0.6
1.3
0.3
1.9
25
50
50
75
2.7
5.4
4.5
8.1
7
/
"
7
/
"
1-
1
/
"
7
/
"
1-
8
8
8
8
1.5
3.1
0.8
4.6
13.6
15.4
16.1
17.2
1.78
2.02
2.11
2.25
1
/
"
1
/
"
5
/
"
1
/
"
2
2
8
2
0.6
1.3
0.3
1.9
25
50
50
75
2.7
5.4
4.5
8.1
7
/
"
7
/
"
1-
1
/
"
7
/
"
1-
8
8
8
8
1.5
3.1
0.8
4.6
15.6
19.0
19.7
20.8
2.08
2.53
2.63
2.77
1
/
"
1
/
"
5
/
"
1
/
"
2
2
8
2
0.9
1.9
0.5
2.8
25
40
50
28
2.9
5.0
4.5
5.0
7
/
"
1-
3
/
"
1-
3
/
"
1-
1
/
"
1-
8
8
8
8
2.4
1.2
1.2
1.8
15.7
18.0
20.0
19.8
1.67
1.89
2.09
2.10
5
/
"
5
/
"
3
/
"
5
/
"
8
8
4
8
0.4
0.8
0.4
1.2
23
16
23
10
1.8
1.84
1.84
1.8
1-
1
/
"
1-
1
/
"
1-
3
/
"
1-
1
/
"
1-
8
8
8
8
3.3
1.1
2.2
0.8
(-2.3%)
31.8
34.7
37.6
37.6
2.62
2.86
3.09
3.09
/
"
/
"
/
"
5
5
5
8
8
8
0.7
1.3
2.0
25
50
75
2.8
5.65
8.5
1-
/
"
1-
/
"
1-
/
"
3
3
3
8
8
8
1.4
1.0
1.5
35.1
38.1
41.2
2.9
3.11
3.36
5
/
"
5
/
"
5
/
"
8
8
8
1.1
2.1
3.2
25
50
93
3.2
6.4
9.6
1-
3
/
"
1-
3
/
"
1-
3
/
"
1-
8
8
8
2.4
0.8
1.6
(-0.8%)
31.1
34.1
37.2
2.52
2.77
3.02
75 - 99
100 - 124
113 - 149
150 - 187
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.3
1.4
0.4
1.8
39
44
57
41
3.5
5.0
5.0
5.0
1
/
"
7
/
"
1-
1
/
"
7
/
"
8
8
8
8
0.8
3.6
1.0
4.5
18.5
16.9
21.3
18.7
3.25
2.97
3.74
3.28
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.5
2.5
0.7
3.2
75
100
100
97
6.7
10.8
9.0
11.2
1
/
"
1-
1
/
"
1-
1
/
"
8
8
8
1.2
1.6
2.1
20.5
19.5
23.3
21.5
2.68
2.55
3.05
2.81
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.5
2.5
0.7
3.2
75
100
100
97
6.7
10.8
9.0
11.2
1
/
"
1-
1
/
"
1-
1
/
"
8
8
8
1.2
1.6
2.1
24.1
23.1
26.9
25.1
3.21
3.08
3.59
3.35
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.8
3.8
1.0
4.7
54
34
68
22
5.0
6.5
6.4
6.5
3
/
"
1-
1
/
"
1-
3
/
"
1-
1
/
"
8
8
8
8
0.6
2.4
0.9
3.1
23.1
21.6
26.1
23.6
2.45
2.29
2.77
2.50
3
/
"
5
/
"
3
/
"
5
/
"
4
8
4
8
0.6
1.6
0.8
2.0
18
28
38
21
1.8
3.3
3.3
3.3
3
/
"
1-
3
/
"
1-
3
/
"
8
8
8
1.2
1.6
2.0
41.8
41.1
46.1
44.2
3.44
3.38
3.79
3.64
/
"
/
5
5
8
8
2.7
3.4
100
125
11.3
14.1
1-
/
"
1-
/
"
3
3
8
8
2.5
2.0
(-0.9%)
44.2
47.3
3.61
3.86
5
/
"
5
/
"
8
8
4.3
5.4
98
85
12.5
12.5
5
/
"
1-
3
/
"
1-
5
/
"
1-
3
/
"
8
8
8
8
3.3.
4
1.0
1.4
(-2.2%)
(-3.6%)
37.9
40.2
41.1
43.3
3.07
3.26
3.34
3.51
8
125 - 149
150 - 174
188 - 224
225 - 262
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.5
2.1
0.6
2.5
57
35
54
31
5.0
4.9
5.0
5.0
1-
1
/
"
1-
1
/
"
1-
8
8
1.3
1.6
1.8
24.2
21.4
27.1
23.4
4.25
3.8
4.75
4.1
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.9
3.8
1.0
4.4
97
90
90
82
8.9
11.2
8.5
11.2
1-
3
/
"
1-
1
/
"
1-
3
/
"
1-
1
/
"
8
8
8
8
0.7
2.5
0.8
2.9
27.1
23.4
30.2
25.4
3.54
3.06
3.95
3.32
5
/
"
1
/
"
5
/
"
1
/
"
8
2
8
2
0.9
3.8
1.0
4.4
97
90
90
82
8.9
11.2
8.5
11.2
1-
3
/
"
1-
1
/
"
1-
3
/
"
1-
1
/
"
8
8
8
8
0.7
2.5
0.8
2.9
30.7
26.0
32.8
27.0
4.09
3.47
4.37
3.60
5
/
"
1
/
"
5
/
"
5
8
2
8
1.3
5.7
1.6
1.8
65
11
63
59
6.4
6.5
6.5
6.4
1-
3
/
"
1-
1
/
"
1-
3
/
"
1-
1
/
"
8
8
8
8
1.1
3.7
1.3
4.3
29.2
25.5
32.3
34.1
3.10
2.71
3.43
3.62
3
/
"
5
/
"
3
/
"
5
/
"
4
8
4
8
1.1
2.4
1.1
2.8
36
14
35
9
3.3
3.3
3.3
3.3
1-
5
/
"
1-
3
/
"
1-
5
/
"
1-
3
/
"
8
8
8
8
2.4
2.8
0.8
1.0
(-0.7%)
(-1.4%)
51.6
47.3
56.1
50.3
4.24
3.89
4.61
4.14
"
/
"
/
"
5
5
8
8
4.0
4.7
150
153
16.9
17.9
1-
/
"
1-
/
"
1-
/
"
1-
/
"
5
3
5
3
8
8
8
8
3
3.5
1.1
1.3
(-1.8%)
(-2.7%)
48.4
50.4
51.7
53.4
3.95
4.11
4.22
4.36
3
/
"
5
/
"
3
/
"
5
/
"
4
8
4
8
2.8
6.4
3.3
7.5
116
71
108
59
12.5
12.4
12.5
12.5
1-
5
/
"
1-
5
/
"
2-
1
/
"
1-
5
/
"
8
8
8
8
2.4
1.7
2.0
0.4
(-0.7%)
50.7
47.7
58.5
51.0
4.11
3.87
4.75
4.13
175 - 200
263 - 300
5
/
"
1
/
"
5
/
"
8
2
8
0.7
2.8
0.8
53
27
52
5.0
5.0
5.0
1
/
"
1-
1
/
"
8
8
2.1
30.0
25.3
32.8
5.26
4.4
5.75
5
/
"
1
/
"
5
/
"
8
2
8
1.2
5.1
1.4
121
74
119
11.2
11.2
11.2
1-
3
/
"
1-
1
/
"
1-
3
/
"
8
8
8
1.0
3.3
1.1
33.2
27.3
36.3
4.34
3.57
4.75
5
/
"
1
/
"
5
/
"
8
2
8
1.2
5.1
1.4
121
74
119
11.2
11.2
11.2
1-
3
/
"
1-
1
/
"
1-
3
/
"
8
8
8
1.0
3.3
1.1
34.8
27.9
37.1
4.64
3.73
4.95
/
"
5
/
"
8
8
2.1
55
6.4
1-
3
/
"
1-
1
/
"
1-
3
/
"
8
8
8
1.5
4.9
1.7
35.3
36.9
38.4
3.75
3.92
4.08
3
/
"
3
/
"
7
/
"
4
4
8
1.5
1.7
0.6
30
25
43
3.3
3.3
3.3
1-
5
/
"
1-
3
/
"
1-
5
/
"
8
8
8
3.2
1.2
1.3
(-2.1%)
60.6
63.4
76.9
4.98
5.21
6.32
/
"
/
"
/
"
3
5
3
4
8
4
2.5
5.4
2.8
175
145
175
17.5
17.9
17.9
1-
/
"
1-
/
"
1-
/
"
5
3
5
8
8
8
4
1.5
1.7
(-3.6%)
63.7
56.5
68.3
5.20
4.61
5.57
3
/
"
5
/
"
3
/
"
4
8
4
3.9
8.6
4.4
102
46
95
12.5
12.5
12.5
2-
1
/
"
1-
5
/
"
2-
1
/
"
8
8
8
2.7
0.5
0.6
(-1.2%)
63.6
54.3
68.7
5.16
4.40
5.57
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