Bryant 548J Service And Maintenance Instructions page 81
Single package heat pump/electric heat nominal 3 to 8.5 tons with puron (r-410a) refrigerant
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Also See for 548J:
- Product data (77 pages) ,
- Installation instructions manual (24 pages) ,
- Installation, start-up and service instructions manual (64 pages)
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Table 43 – PULLEY ADJUSTMENT
Unit
Motor/Drive Combo
Medium Static
High Static
Medium Static
High Static
Medium Static
High Static
Standard Static
Medium Static
High Static
Standard Static
Medium Static
High Static
Standard Static
Medium Static
High Static
NOTE: Do not adjust pulley further than 5 turns open.
--- Factory settings
APPENDIX III. FAN PERFORMANCE (cont.)
0
0.5
1
1251
1208
1165
1466
1423
1380
1303
1265
1226
1466
1423
1380
1380
1349
1317
1639
1596
1553
1192
1161
1129
1380
1349
1317
1639
1596
1553
652
633
614
838
813
789
1084
1059
1035
652
633
614
838
813
789
1084
1059
1035
Motor Pulley turns open
1.5
2
2.5
3
1121
1078
1035
992
1337
1294
1251
1207
1188
1150
1112
1073
1337
1294
1251
1207
1286
1254
1223
1192
1510
1467
1424
1380
1098
1066
1035
1004
1286
1254
1223
1192
1510
1467
1424
1380
594
575
556
537
764
739
715
690
1010
986
961
936
594
575
556
537
764
739
715
690
1010
986
961
936
81
3.5
4
4.5
5
949
905
862
819
1164
1121
1078
1035
1035
997
958
920
1164
1121
1078
1035
1160
1129
1097
1066
1337
1294
1251
1208
972
941
909
878
1160
1129
1097
1066
1337
1294
1251
1208
518
498
479
460
665
640
616
591
912
887
863
838
518
498
479
460
665
640
616
591
912
887
863
838
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