Charge Labels
FOR COMPLETE CHARGING PROCEDURES, REFER TO THE APPLICABLE INSTALLATION AND SERVICE MANUAL AVAILABLE ONLINE
Capacity
-018
ºF(ºC)
2
65 (18)
222 / 139
75 (24)
258 / 142
85 (29)
301 / 145
95 (35)
348 / 147
105 (41)
400 / 149
115 (45)
457 / 152
Table 2. Approach (APP) Values³ - TXV System - ºF(ºC) ± 1ºF (0.5ºC)
65 (18)
2 (1.1)
75 (24)
3 (1.7)
85 (29)
3 (1.7)
95 (35)
3 (1.7)
105 (41)
2 (1.1)
115 (45)
2 (1.1)
Table 3. Subcooling (SC) Values⁴ - TXV System - ºF(ºC) ± 1ºF (0.5ºC)
65 (18)
10 (5.6)
75 (24)
9 (5.0)
85 (29)
9 (5.0)
95 (35)
9 (5.0)
105 (41)
9 (5.0)
115 (45)
10 (5.6)
1 Typical pressures; indoor evaporator match-up, indoor
air quantity and evaporator load will cause the pressures
to vary
2 Temperature of air entering outside coil
31-5000748 Rev. 0
AIR CONDITIONER CHARGING INFORMATION
-024
-030
Table 1. Normal Operating Pressures
TXV System - Liquid Line ( ± 10 psig ) / Suction Line ( ± 5 psig )
228 / 137
223 / 136
261 / 141
260 / 138
303 / 144
303 / 140
349 / 146
350 / 142
399 / 149
401 / 144
455 / 151
457 / 147
4 (2.2)
6 (3.3)
6 (3.3)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
7 (3.9)
9 (5.0)
5 (2.8)
6 (3.3)
5 (2.8)
5 (2.8)
5 (2.8)
5 (2.8)
5 (2.8)
4 (2.2)
5 (2.8)
5 (2.8)
5 (2.8)
Figure 12. NS17AS Charge Label
Page 27
-036
-042
1
225 / 135
218 / 135
263 / 138
253 / 138
305 / 139
295 / 141
352 / 142
340 / 145
402 / 144
391 / 146
458 / 147
447 / 149
5 (2.8)
5 (2.8)
6 (3.3)
5 (2.8)
6 (3.3)
5 (2.8)
6 (3.3)
5 (2.8)
5 (2.8)
5 (2.8)
5 (2.8)
5 (2.8)
6 (3.3)
6 (3.3)
6 (3.3)
5 (2.8)
6 (3.3)
5 (2.8)
6 (3.3)
5 (2.8)
7 (3.9)
5 (2.8)
6 (3.3)
5 (2.8)
3 Approach = Liquid Line Temperature minus Outdoor
Ambient Temperature
4 Subcooling = Saturation Temperature minus Liquid Line
Temperature
-048
-060
228 / 136
228 / 126
264 / 138
264 / 130
307 / 140
307 / 135
353 / 143
355 / 138
404 / 145
407 / 139
459 / 148
464 / 142
7 (3.9)
5 (2.8)
8 (4.4)
5 (2.8)
8 (4.4)
6 (3.3)
8 (4.4)
5 (2.8)
7 (3.9)
5 (2.8)
7 (3.9)
5 (2.8)
6 (3.3)
8 (4.4)
5 (2.8)
7 (3.9)
5 (2.8)
7 (3.9)
5 (2.8)
8 (4.4)
5 (2.8)
8 (4.4)
5 (2.8)
8 (4.4)