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Installation Instructions
5 Airfl ow Performance
Airfl ow performance data is based on cooling performance with a coil and
no fi lter in place. Check the performance table (Table 6) for appropriate
unit size selection.
External static pressure should stay within the minimum and maximum
limits shown in the table below in order to ensure proper operation of
both cooling, heating, and electric heating operation.
Model
Motor Speed *
Number
Tap 1 1
Tap 2 2
36
Tap 3 3
Tap 4 4
Tap 5 5
Tap 1 1
Tap 2 2
60
Tap 3 3
Tap 4 4
Tap 5 5
Table 7
Bold outlined areas represent airfl ow outside of the required 300-450
cfm/ton range.
1 Silent Mode --- low stage speed.
2 Factory Default --- low stage speed.
3 Silent Mode --- high stage speed. Or High Static Pressure Mode --- low stage speed.
4 Factory Default --- high stage speed.
5 High Static Pressure Mode --- high stage speed.
NOTES:
This table is only used to select the highest blower speed.
1.
2.
The rated airfl ow of systems without electric heater kits requires between
300 and 450 cubic feet of air per minute (CFM).The rated airfl ow of
systems with electric heater kits requires between 350 and 450 cubic feet
of air per minute (CFM).
3.
The air distribution system has the greatest eff ect on airfl ow. Therefore, the
contractor should use only industry-recognized procedures.
4.
Duct design and construction should be carefully done. System
performance can be lowered dramatically through poor design or
workmanship.
1 6 |
0.1[.02]
0[0]
SCFM
1046
951
Watts
110
120
1.33
Amps
1.26
SCFM
1122
1075
Watts
148
158
Amps
1.52
1.6
SCFM
1327
1287
Watts
234
247
Amps
2.15
2.25
SCFM
1411
1372
Watts
275
288
Amps
2.45
2.55
SCFM
1572
1538
Watts
380
396
Amps
3.2
3.36
SCFM
1398
1338
Watts
166
176
Amps
1.7
1.7
SCFM
1476
1420
Watts
194
205
1.9
2
Amps
SCFM
1777
1728
Watts
323
338
Amps
2.8
2.9
SCFM
1937
1889
Watts
412
428
Amps
3.5
3.6
SCFM
2235
2191
Watts
623
642
Amps
4.5
5.1
Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
SCFM
External Static Pressure-Inches W.C.[kPa]
0.2[. 05]
0.3[.07]
0.4[.10]
890
876
841
131
135
143
1.49
1.43
1.33
1023
1009
976
170
174
183
1.68
1.71
1.77
1243
1229
1199
260
265
275
2.34
2.38
2.45
1330
1316
1285
302
307
316
2.66
2.69
2.77
1500
1487
1458
411
416
427
3.47
3.51
3.59
1282
1231
1175
187
198
208
1.8
1.9
1.9
1367
1316
1265
217
228
239
2
2.1
2.2
1680
1635
1592
352
365
378
3
3.1
3.2
1842
1792
1758
444
457
471
3.7
3.8
3.9
2144
2091
2050
660
673
689
5.3
5.4
5.5
5.
Air supplier ducts should be located along the perimeter of the conditioned
space and properly sized. Improper location or insuffi cient air fl ow may
cause drafts or noise in the ductwork.
6.
Installers should balance the air distribution system to ensure proper quiet
airfl ow to all rooms in the home. An air velocity meter or airfl ow hood can be
used to balance and verify branch and system airfl ow (CFM).
7.
Factory Default maximum static pressure 0.6 inches W.C.. If static pressure
exceeds 0.6 inches W.C. please dial code to Tap(5)
F or instructions on how to select fan speeds, refer to Section 6
of this manual.
0.5[.12]
0.6[.15]
0.7[.17]
/
/
/
/
/
/
/
/
/
931
/
/
196
/
/
1.87
/
/
1158
1118
/
290
306
/
2.57
2.69
/
1245
1206
1131
333
349
380
2.89
3.01
3.24
1382
1419
1353
444
463
476
3.72
3.86
3.96
/
/
/
/
/
/
/
/
/
1213
/
/
250
/
/
2.3
/
/
1549
/
/
391
/
/
/
3.3
/
1720
1670
1636
486
499
513
4
4.1
4.2
2010
1971
1936
704
719
734
5.6
5.7
5.8
0.8[.20]
/
/
/
/
/
/
/
/
/
/
/
/
1314
497
4.12
/
/
/
/
/
/
/
/
/
/
/
/
1892
744
5.8
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