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Required
Subcooling
°F
(°C)
Outdoor
Ambient
Temperature
Model
Size
75
!24)
82
(28)
85
(29)
95
(35!
105
(41)
024
155(86>
156i87
>
157i87>
158(88>
159(89>
030
168(93)
164(91)
162(9)
156(87)
15(83)
036
14(77)
139(77)
139(77)
138(77)
137(76)
042
192(107)
191(106)
191(106
189(105)
187(1041
048
21(116/
2081115)
207(115
204(113)
202(112
060
162(9)
166(92/
168(93/
173196/
178199)
Charqinq
Procedure
1 Measu_ Discharge line p_sure by a_aching a gauge _ the _÷_ice pelt
2 Measu_ the Uquid line teml,e,ature by attaching a tempe,atu_ _el,s_ngdev_e to it
3 h,su]ate the tempe,atu_ _el,_in9d_vice so thatthe Outdoor Ambient d_e_n_t a ffect the reading
4 Refer to the requiredSubc_oling_nthe table basedon the model _i_ and the O_o_r Am_,ie,,t
5 h,te,polate_f the O_tde_r tempe,atu_e _i_ in bet_,
the tablewlues_ Extrapolate if the
tempe,a_
lies beyondthe table range
6 nnd the Pressure Value cor_sponding _ the the m_a_u_d Pressureon the C_mp,e_so_ _
Di_cha,geline
Subc_oling
Add Charge if the m_su_d tem_,e_ture_sh_ghe,than the _huid line tempe,aturewk_e in the
table
Required
Liquid
Line
Temperatul_
for
a Specific
Subcooling
(R-410A)
Required
Subcooling
(°F)
_ressule
(psi9)
5
10
15
25
174
.56
51
46
36
181
59
54
49
39
188
61
56
51
41
195
63
58
53
43
202
65
60
55
45
209
67
62
57
47
216
69
64
59
49
223
71
66
61
51
189
61
56
51
41
196
63
58
53
43
203
66
61
56
46
210
68
63
58
48
217
70
65
60
50
224
72
67
62
52
231
74
69
64
54
238
76
71
66
56
245
77
72
67
57
252
79
74
69
59
260
81
76
71
61
268
83
78
73
63
276
85
80
75
65
284
87
82
77
67
292
89
84
79
69
300
91
86
81
71
309
93
88
83
73
318
95
90
85
75
327
97
92
87
77
336
99
94
89
79
345
101
96
91
81
354
103
98
93
83
364
105
100
95
85
374
107
102
97
87
384
108
103
98
88
394
110
105
100
90
404
112
107
102
92
414
114
109
104
94
424
116
111
106
96
434
118
113
108
98
444
119
114
109
99
454
121
116
111
101
464
123
118
113
103
474
124
119
114
104
484
126
121
116
106
494
127
122
117
107
504
129
124
119
109
514
131
126
121
111
524
132
127
122
112
534
134
129
124
114
Required
Subcooling
(eC)
(kPa)
1248
15
12
1296
16
13
1344
17
14
12
6
1393
18
16
13
7
1441
20
17
14
9
1489
21
18
15
10
1537
22
19
16
11
1303
16
13
11
5
1351
17
15
12
6
1399
19
16
13
8
1448
20
17
14
9
1496
21
18
15
10
1544
22
19
16
11
1593
23
20
18
12
1641
24
21
19
13
1689
25
22
20
14
1737
26
23
21
15
1792
27
25
22
16
1848
29
26
23
17
1903
30
27
24
19
1958
31
28
25
20
2013
32
29
26
21
2068
33
30
27
22
2130
34
31
28
23
2192
35
32
29
24
2254
36
33
31
25
2316
37
34
32
26
2378
38
35
33
27
2440
39
36
34
28
2509
40
38
35
29
2578
41
39
36
30
2647
42
40
37
31
2716
44
41
38
32
2785
45
42
39
33
2854
46
43
40
34
2923
47
44
41
35
2992
48
45
42
36
3061
48
46
43
37
3130
49
47
44
38
3199
50
48
45
39
3268
51
48
46
40
3337
52
49
47
41
3406
53
50
47
42
3475
54
51
48
43
3544
55
52
49
44
3612
56
53
50
45
3681
_
54
51
45
Fig. 18 - Cooling
Charging
Table-Subcooling
A06315
Table
4--Wet
(:oil Pressm_
Drop (in. wg)
UNIT
STANDARD
CFM
(SCFM)
SiZE
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
024
0.005
0.007
0.010
0.019
0.015
030
0.007
0.010
0.012
0.018
0.018
0021
0024
038
0.019
0.023
0.027
0032
0037
0042
0.047
042
0.014
0.017
0020
0024
0027
0.031
0.035
0.039
0.043
048
0027
0032
0038
0.041
0.046
0.052
0.057
0.063
0.068
060
0.029
0.032
0.036
0.040
0.045
0.049
0.053
Table 5--Filter
Pressure
Drop Table
(in. wg)
CFM
FILTER SIZE
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
20X20X1
0.05
0.07
0.08
0.1
0.12
0.13
0.14
0.15
24X30X1
0.05
0.6
0.07
0.07
0.08
0.09
0.1
24X36X1
0.06
0.07
0.07
0.08
0.09
0.09
0.10
0.11
0.12
0.13
0.14
0.14
Table 6--Electrlc
Heat Pressure
Drop Table
Small
Cabinet:
024-030
CFM
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
5 kw
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.02
0.04
0.06
0.07
7.2 kw
0.00
0.00
0.00
0.00
0.00
0.00
0.02
0.03
0.05
0.07
0.08
0.09
10 kw
0.00
0.00
0.00
0.00
0.00
0.02
0.04
0.06
0.07
0.09
0.10
0.11
15 kw
0.00
0.00
0.00
0.02
0.04
0.08
0.08
0.10
0.12
0.14
0.18
0.18
Table 7--Electric
Heat Pressure Drop Table
Large
Cabinet:
036-060
CFM
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
5kw
0.00
0.00
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
7.2 kw
0.00
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
10 kw
0.00
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
15 kw
0.00
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
20 kw
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
0.16
20
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