Page 26
XP16
Table 3 − Indoor Units Matchups and Subcooling Charge Levels (XP16−XXX−230−05)
Charging Temperatures and Pressures
XP16 Model
−024
−036
−048
−060
Table 1 − Subcooling Values
Saturation Temperature minus Liquid Line Temperature °F (ºC) +
1ºF (0.5ºC)
Temp. °F
(°C)
8 (4.4)
7 (3.9
)
9 (5)
8 (4.4)
Table 2 − Approach Values
Liquid Line Temperature minus Outdoor Ambient Temperature ºF (ºC) +
1ºF (0.5ºC)
Temp. °F
(°C)
8 (4.4)
9 (5)
8 (4.4)
8 (4.4)
Table 3 − Normal Operating Pressures (Liq.
+
10 & Vap.
+
5 psig) **
Temp. °F
(°C)*
Liquid
Vapor
Liquid
Vapor
Liquid
Vapor
Liquid
Vapor
Cooling − First Stage (Low Capacity)
65 (18.3)
232
146
225
144
235
144
225
138
75 (23.9)
264
148
261
147
268
145
264
141
85 (29.4)
307
149
302
149
310
147
305
142
95 (35.0)
353
151
349
151
356
148
352
146
105 (40.6)
403
153
397
153
407
150
405
148
115 (46.1)
460
155
461
157
466
152
459
150
Cooling − Second Stage (High Capacity)
65 (18.3)
240
143
239
139
244
140
241
134
75 (23.9)
279
145
278
141
283
141
280
136
85 (29.4)
322
147
322
143
326
144
324
137
95 (35.0)
371
149
367
146
374
147
373
138
105 (40.6)
423
151
426
148
427
148
425
142
115 (46.1)
485
154
489
151
491
151
486
146
Heating − First Stage (Low Capacity)
40 (4.4)
337
93
328
98
369
75
351
63
50 (10)
322
117
333
118
366
114
335
92
Heating − Second Stage (High Capacity)
20 (−7.0)
279
62
296
62
311
58
308
59
30 (−1.0)
288
76
309
75
334
72
323
70
40 (4.4)
302
93
322
92
354
89
318
69
50 (10)
306
112
336
113
381
108
329
82
*
Outdoor Coil Entering Air Temp.
F (
C)
**
These are most−popular−match−up pressures. Indoor match up, indoor air quality, and indoor load cause pressures to vary.