Lennox EL23XCV Series Manual page 80

Charging Temperatures and Pressures – High Speed Only
EL23XCV Unit
Table 1 – Subcooling Values (High Capacity)
Saturation Temperature minus Liquid Temperature °F (°C) ± 1°F (0.5°C)
Temp. °F (°C)
Table 2 – Approach Values (High Capacity)
Liquid Line Temperature minus Outdoor Ambient Temperature °F (°C) ± 1°F (0.5°C)
Temp. °F (°C)
Table 3 – Normal Operating Pressures (Liquid ± 10 / Suction ± 5 psig)
Air Temp Entering
Outdoor Coil
°F (°C)
65 (18.3)
70 (21.1)
75 (23.9)
80 (26.6)
85 (29.4)
90 (32.2)
95 (35.0)
100 (37.7)
105 (40.6)
110 (43.3)
115 (46.1)
FIGURE 50. EL23XCV Charging Label
-024
12 (6.7)
3 (1.7)
The values below are typical pressures; indoor evaporator match-up, indoor air quantity,
and evaporator load will cause the pressure to vary.
Liquid Line Pressure / Vapor Line Pressure
234 / 141
251 / 142
271 / 143
292 / 144
314 / 145
337 / 146
361 / 147
387 / 148
414 / 149
444 / 150
474 / 151
-036
6 (3.3)
7 (3.9)
228 / 133 228 / 137
243 / 134 244 / 138
262 / 136 264 / 139
283 / 137 284 / 140
305 / 138 306 / 141
328 / 139 329 / 142
352 / 141 353 / 144
377 / 142 378 / 145
403 / 143 403 / 146
431 / 144 430 / 147
459 / 145 459 / 148
Page 80
-048
10 (5.6) 10 (5.6)
3 (1.7)
229 / 132
246 / 134
266 / 135
288 / 136
310 / 137
333 / 138
358 / 139
383 / 140
410 / 141
439 / 142
468 / 144
-060
3 (1.7)