Lennox HSXA12-018 Installation Instructions Manual page 16

Temperature Pressure
°F Psig
32 100.8
33 102.9
34 105.0
35 107.1
36 109.2
37 111.4
38 113.6
39 115.8
40 118.0
41 120.3
42 122.6
43 125.0
44 127.3
45 129.7
46 132.2
47 134.6
48 137.1
49 139.6
50 142.2
51 144.8
52 147.4
53 150.1
54 152.8
55 155.5
56 158.2
57 161.0
58 163.9
59 166.7
60 169.6
61 172.6
62 195.5
Outdoor Outdoor
Temp. °F (°C)
−018
65 (18) 13 (7.2)
70 (21) 12 (6.7)
75 (24) 11 (6.1)
80 (27) 9 (5)
85 (29) 8 (4.5)
90 (32) 6 (3.3)
95 (35) 5 (2.8)
100 (38) 5 (2.8)
105 (41) 4 (2.2)
110 (43) 3 (1.7)
115 (45) 2 (1.1)
Table 5
R410A Temperature/Pressure Chart
Temperature Pressure
°F Psig
63 178.5
64 181.6
65 184.3
66 187.7
67 190.9
68 194.1
69 197.3
70 200.6
71 203.9
72 207.2
73 210.6
74 214.0
75 217.4
76 220.9
77 224.4
78 228.0
79 231.6
80 235.3
81 239.0
82 242.7
83 246.5
84 250.3
85 254.1
86 258.0
87 262.0
88 266.0
89 270.0
90 274.1
91 278.2
92 282.3
93 286.5
Table 6
Subcooling Values for Fixed Orifice Systems
Liquid Subcooling [± 1°F (.6°C)]
−024 −030
13 (7.2) 16 (8.9)
11 (6.1) 15 (8.3)
10 (5.6) 14 (7.8)
9 (5) 13 (7.2)
7 (3.9) 12 (6.7)
6 (3.3) 10 (5.6)
5 (2.8) 9 (5)
4 (2.2) 8 (4.5)
4 (2.2) 7 (3.9)
3 (1.7) 6 (3.3)
3 (1.7) 5 (2.8)
Page 16
Temperature Pressure
°F Psig
94 290.8
95 295.1
96 299.4
97 303.8
98 308.2
99 312.7
100 317.2
101 321.8
102 326.4
103 331.0
104 335.7
105 340.5
106 345.3
107 350.1
108 355.0
109 360.0
110 365.0
111 370.0
112 375.1
113 380.2
114 385.4
115 390.7
116 396.0
117 401.3
118 406.7
119 412.2
120 417.7
121 423.2
122 428.8
123 434.5
124 440.2
−036 −042
12 (6.7) 11 (6.4)
11 (6.1) 10 (5.6)
10 (5.6) 9 (5)
9 (5) 8 (4.5)
8 (4.5) 7 (3.9)
7 (3.9) 6 (3.3)
6 (3.3) 6 (3.3)
5 (2.8) 5 (2.8)
4 (2.2) 4 (2.2)
4 (2.2) 3 (1.7)
3 (1.7) 3 (1.7)
Temperature Pressure
°F Psig
125 445.9
126 451.8
127 457.6
128 463.5
129 469.5
130 475.6
131 481.6
132 487.8
133 494.0
134 500.2
135 506.5
136 512.9
137 519.3
138 525.8
139 532.4
140 539.0
141 545.6
142 552.3
143 559.1
144 565.9
145 572.8
146 579.8
147 586.8
148 593.8
149 601.0
150 608.1
151 615.4
152 622.7
153 630.1
154 637.5
155 645.0
−048 −060
14 (7.8) 13 (7.2)
13 (7.2) 12 (6.7)
12 (6.7) 11 (6.1)
11 (6.1) 10 (5.6)
10 (5.6) 10 (5.6)
9 (5) 9 (5)
8 (4.5) 8 (4.5)
7 (3.9) 7 (3.9)
7 (3.9) 6 (3.3)
6 (3.3) 6 (3.3)
6 (3.3) 5 (2.8)