Carrier SINGLE PACKAGE ROOFTOP UNITS 48PG20-28 - Manual (Page 8)

8
Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return
48PG
20 24 28
208/230 and 460 575 208/230 and 460 575 208/230 and 460 575
LOW RANGE
Motor Hp — — — — 5 5
Motor Nominal Rpm — — — — 1750 1750
Maximum Continuous Bhp — — — — 5.75 5.75
Maximum Continuous Watts — — — — 4290 4290
Motor Frame Size — — — — S184T S184T
Motor Shaft Diameter (in.) — — — — 1 1 / 8 1 1 / 8
Fan Rpm Range — — — — 687-873 687-873
Motor Pulley Min. Pitch Diameter (in.) — — — — 3.7 3.7
Motor Pulley Max. Pitch Diameter (in.) — — — — 4.7 4.7
Blower Pulley Pitch Diameter (in.) — — — — 9.4 9.4
Blower Pulley Shaft Diameter (in.) — — — — 1 3 /
16
1 3 /
16
Blower Pulley Type — — — — Fixed Fixed
Pulley Center Line Distance (in.) — — — — 9.81-13.055 9.81-13.055
Belt, Quantity...Type...Length (in.) — — — — 1...BX41...42.8 1...BX41...42.8
Speed Change Per Turn —
Moveable Pulley (rpm)
— — — — 31 31
Moveable Pulley Maximum Full Turns — — — — 6 6
Factory Speed Setting (rpm) — — — — 780 780
MID-LOW RANGE
Motor Hp 3.7 5 3.7 5 5 5
Motor Nominal Rpm 1750 1750 1750 1750 1750 1750
Maximum Continuous Bhp 4.26 5.75 4.26 5.75 5.75 5.75
Maximum Continuous Watts 3174 4290 3174 4290 4290 4290
Motor Frame Size 56HZ S184T 56HZ S184T S184T S184T
Motor Shaft Diameter (in.) 7 / 8 1 1 / 8 7 / 8 1 1 / 8 1 1 / 8 1 1 / 8
Fan Rpm Range 896-1227 873-1108 896-1227 873-1108 805-1007 805-1007
Motor Pulley Min. Pitch Diameter (in.) 2.7 3.7 2.7 3.7 4.8 4.8
Motor Pulley Max. Pitch Diameter (in.) 3.7 4.7 3.7 4.7 6.0 6.0
Blower Pulley Pitch Diameter (in.) 5.2 7.4 5.2 7.4 10.4 10.4
Blower Pulley Shaft Diameter (in.) 1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
Blower Pulley Type Fixed Fixed Fixed Fixed Fixed Fixed
Pulley Center Line Distance (in.) 11.293-13.544 9.81-13.055 11.293-13.544 9.81-13.055 9.81-13.055 9.81-13.055
Belt, Quantity...Type...Length (in.) 1...BX35...36.8 1...BX38...39.8 1...BX35...36.8 1...BX38...39.8 1...BX45...46.8 1...BX45...46.8
Speed Change Per Turn —
Moveable Pulley (rpm)
55 39 55 39 34 34
Moveable Pulley Maximum Full Turns 6 6 6 6 6 6
Factory Speed Setting (rpm) 1062 991 1062 991 906 906
MID-HIGH RANGE
Motor Hp 5 5 5 5 7.5 7.5
Motor Nominal Rpm 1750 1750 1750 1750 1750 1750
Maximum Continuous Bhp 5.75 5.75 5.75 5.75 8.63 8.63
Maximum Continuous Watts 4290 4290 4290 4290 6434 6434
Motor Frame Size S184T S184T S184T S184T S213T S213T
Motor Shaft Diameter (in.) 1 1 / 8 1 1 / 8 1 1 / 8 1 1 / 8 1 3 / 8 1 3 / 8
Fan Rpm Range 1113-1414 1113-1414 1113-1414 1113-1414 941-1176 941-1176
Motor Pulley Min. Pitch Diameter (in.) 3.7 3.7 3.7 3.7 4.8 4.8
Motor Pulley Max. Pitch Diameter (in.) 4.7 4.7 4.7 4.7 6.0 6.0
Blower Pulley Pitch Diameter (in.) 5.8 5.8 5.8 5.8 8.9 8.9
Blower Pulley Shaft Diameter (in.) 1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
Blower Pulley Type Fixed Fixed Fixed Fixed Fixed Fixed
Pulley Center Line Distance (in.) 9.81-13.055 9.81-13.055 9.81-13.055 9.81-13.055 9.025-12.179 9.025-12.179
Belt, Quantity...Type...Length (in.) 1...BX35...36.8 1...BX35...36.8 1...BX35...36.8 1...BX35...36.8 1...BX42...43.8 1...BX42...43.8
Speed Change Per Turn —
Moveable Pulley (rpm)
50 50 50 50 39 39
Moveable Pulley Maximum Full Turns 6 6 6 6 6 6
Factory Speed Setting (rpm) 1264 1264 1264 1264 1059 1059
HIGH RANGE
Motor Hp 7.5 7.5 7.5 7.5 10 10
Motor Nominal Rpm 1750 1750 1750 1750 1750 1750
Maximum Continuous Bhp 8.63 8.63 8.63 8.63 11.50 11.50
Maximum Continuous Watts 6434 6434 6434 6434 8579 8579
Motor Frame Size S213T S213T S213T S213T S215T S215T
Motor Shaft Diameter (in.) 1 3 / 8 1 3 / 8 1 3 / 8 1 3 / 8 1 3 / 8 1 3 / 8
Fan Rpm Range 1096-1339 1096-1339 1096-1339 1096-1339 1014-1297 1014-1297
Motor Pulley Min. Pitch Diameter (in.) 5.4 5.4 5.4 5.4 4.3 4.3
Motor Pulley Max. Pitch Diameter (in.) 6.6 6.6 6.6 6.6 5.5 5.5
Blower Pulley Pitch Diameter (in.) 8.6 8.6 8.6 8.6 7.4 7.4
Blower Pulley Shaft Diameter (in.) 1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
1 3 /
16
Blower Pulley Type Fixed Fixed Fixed Fixed Fixed Fixed
Pulley Center Line Distance (in.) 9.025-12.179 9.025-12.179 9.025-12.179 9.025-12.179 9.025-12.179 9.025-12.179
Belt, Quantity...Type...Length (in.) 1...BX42...43.8 1...BX42...43.8 1...BX42...43.8 1...BX42...43.8 1...BX38...39.8 1...BX38...39.8
Speed Change Per Turn —
Moveable Pulley (rpm)
41 41 41 41 47 47
Moveable Pulley Maximum Full Turns 6 6 6 6 6 6
Factory Speed Setting (rpm) 1218 1218 1218 1218 1156 1156