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TP SERIES
Table 3. HFC-410A Approach Temperatures
Models
Stage
Approach
Temperature (F)
(+/- 1)
Approach
Temperature (C)
(+/- 0.5)
TPA090S4S /
TAA090
1 7.0 3.8
TPA120S4S /
TAA120
1 8.0 4.4
(2) TPA090S4S
/ TAA240
1, 2 8.0 4.4
3. Do not use the approach method if system pressures
do not match pressures in tables 4 or 5 except when
the outdoor ambient temperature is below 65
ºF
(18ºC).
The approach method is not valid for grossly
over or undercharged systems.
Table 4. HFC-410A Normal Operating Pressures — Cooling Mode (Liquid +10 and Suction +5 psig)
Temp*
(2) TPA090 / TAA240
Stage 1 Stage 2
Liquid Suction Liquid Suction Liquid Suction Liquid Suction
65 F (18 C)
231 128 243 130 239 132 239 132
75 F (24 C)
265 130 281 133 289 135 289 135
85 F (29 C)
310 131 325 136 322 137 322 137
95 F (35 C)
358 134 372 139 370 140 370 140
105 F (41 C)
410 137 427 140 422 142 422 142
115 F (46 C)
467 140 478 142 480 145 480 145
125 F (52 C)
551 146 548 142 541 148 541 148
*Temperature of air entering outdoor Coil
Table 5. HFC-410A Normal Operating Pressures — Heating Mode (Liquid +10 and Suction +5 psig)
Temp*
(2) TPA090 / TAA240
Stage 1 Stage 2
Liquid Suction Liquid Suction Liquid Suction Liquid Suction
60 F (15 C)
384 116 367 120 394 117 394 117
50 F (10 C)
366 101 350 105 376 102 376 102
47 F (8 C)
361 96 345 101 370 97 370 97
40 F (4 C)
348 85 333 91 357 87 357 87
30 F (-1 C)
330 70 316 76 338 72 338 72
20 F (-6 C)
312 55 299 61 320 57 320 57
17 F (-8 C)
307 50 294 57 314 52 314 52
*Temperature of air entering outdoor Coil