JohnstoneSupply.com 19 DIRECT DRIVE MOTORS 48 Frame Permanent Split Capacitor 1625 RPM Direct Drive Blower Motors PSC, 48 Frame, Open Air Over Applications: • Designed as replacements for direct drive furnace blower motors, air conditioners, exhaust fans and other applications where the motor is located in the airstream Features: • Automatic thermal protection • 3-speed • Electrically reversible rotation • Sleeve bearing • Capacitor not included Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. “A” Dim. “R” Dim. Bearing Type Wt. Lbs. Capacitor To Match Each S89-108 1690 5-5/8" 1/4 115 1625 3 2.70 67% 1/2" 5" Rev. 4-5/16" 4-7/8" SAB 13.0 G21-891 565.00 S89-110 1692 5-5/8" 1/3 115 1625 3 3.70 69% 1/2" 5" Rev. 4-9/16" 5-1/8" SAB 13.0 G21-897 805.00 S89-111 1693 5-5/8" 1/3 208-230 1625 3 2.10 64% 1/2" 5" Rev. 4-9/16" 5-1/8" SAB 13.0 G21-930 825.00 S89-112 1694 5-5/8" 1/2 115 1625 3 5.50 71% 1/2" 5" Rev. 5-5/16" 5-7/8" SAB 17.0 G21-897 859.00 S89-113 1695 5-5/8" 1/2 208-230 1625 3 3.00 72% 1/2" 5" Rev. 5-5/16" 5-7/8" SAB 17.0 G21-933 879.00 S89-114 1696 5-5/8" 3/4 115 1625 3 8.60 71% 1/2" 5" Rev. 5-5/16" 5-7/8" SAB 20.0 G21-897 915.00 S89-115 1697 5-5/8" 3/4 208-230 1625 3 4.00 73% 1/2" 5" Rev. 5-5/16" 5-7/8" SAB 18.0 G21-891 935.00 Helpful Hints for Replacing a PSC Motor • Always check the capacitor before replacing a permanent split capacitor motor • Before dismantling, scratch an arrow on the case of the bad motor indicating direction of rotation • Matching ampere rating is usually more accurate than matching horsepower for fractional horsepower motors • An overloaded motor always runs hot and slow, and draws more than nameplate amps Reading the motor current draw with an ampere meter is the most accurate method of identifying an incorrect replacement • Green is always the ground wire 3-Speed Direct Drive Motors PSC, 48 Frame, Open Air Over • S88-436 replaces Fasco #D712 • S88-437 replaces Fasco #D711 and may also be used as a condenser fan motor using S58215 drip shield Applications: • Replaces motors used in the higher tonage gas and electric furnaces Features: • All-angle ball bearings • Class B insulation, 40°C ambient • Includes two 2-1/4" mounting rings with two 2-1/2" mounting adapters • Rotation is plug reversible • Both motors use 20M370V capacitor (G21909, not included) Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. “A” Dim. “R” Dim. Bearing Type Wt. Lbs. Capacitor To Match Each S88-436 BDL1106 5-5/8" 1 115 1075 3 12.30 65% 1/2" 6-3/8" Rev. 5-13/16" 6-3/8" Ball 20.7 G21-909 1045.00 S88-437 BD1106 5-5/8" 1 208-230 1075 3 5.10 65% 1/2" 6-3/8" Rev. 5-9/16" 6-1/16" Ball 19.7 G21-909 1045.00 WE’RE THE EXPERTS YOU COUNT ON. BETTER SERVICE & LOCAL SUPPORT WITH GLOBAL PARTNERS • Products you need, including hard to find speciality parts • Delivery options to get back on the road • Technology to make your job easier • Training to keep you competitive
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