246653-YTG-E-0108
Johnson Controls Unitary Products 27
TABLE 24: EXHAUST FAN DRIVE DATA
MODEL
BLOWER
RPM
R
ANGE
MOTOR MOTOR PULLEY BLOWER PULLEY BELTS
HP
FRAME
S
IZE
M
OTOR EFF
(S
TD.
M
OTOR)
M
OTOR
E
FF (HI
E
FF OPT)
P
ITCH DIA
(I
NCHES)
B
ORE
(I
NCHES)
P
ITCH DIA
(I
NCHES)
B
ORE
(I
NCHES)
D
ESIGNATION QTY
25 Ton
758 5 213T 87.5 89.5 4.9 1-3/8 11.3 2-3/16 BX63 2
852 7.5 215T 88.5 91.7 5.5 1-3/8 11.3 2-3/16 BX63 2
976 10 215T 89.5 91 6.3 1-5/8 11.3 2-3/16 BX63 2
30 Ton
852 7.5 213T 84 86.5 5.5 1-3/8 11.3 1-11/16 B65 2
976 10 215T 86.5 89.5 6.3 1-3/8 11.3 1-11/16 B65 2
1069 15 254T 85.7 89.5 6.9 1-3/8 11.3 1-11/16 B65 2
40 Ton
852 7.5 184T 84 86.5 5.5 1-3/8 11.3 1-11/16 B65 2
976 10 215T 86.5 89.5 6.3 1-3/8 11.3 1-11/16 B65 2
1069 15 254T 85.7 89.5 6.9 1-3/8 11.3 1-11/16 B65 2
TABLE 25: SUPPLY FAN MOTOR AND DRIVE DATA
1
MODEL
BLOWER
RPM
R
ANGE
MOTOR MOTOR PULLEY BLOWER PULLEY BELTS
HP
F
RAME
SIZE
MOTOR
E
FFICIENCY
(S
TD. MOTOR)
M
OTOR
E
FFICIENCY
(U
LTRA HI
E
FF OPT)
P
ITCH DIA
(I
NCHES)
B
ORE
(I
NCHES)
P
ITCH DIA
(I
NCHES)
B
ORE
(I
NCHES)
D
ESIGNA
TION
QTY
25 Ton
567 7.5 213T 88.5 91.7 4.5 1-3/8 13.9 2-3/16 BX56 2
692 10 215T 89.5 91 5.5 1-3/8 13.9 2-3/16 BX56 2
793 15 254T 91 91.7 6.3 1-5/8 13.9 2-3/16 BX56 2
894 20 256T 91 93 7.1 1-5/8 13.9 2-3/16 BX56 2
30 Ton
617 10 215T 89.5 91 4.9 1-3/8 13.9 2-3/16 BX56 2
743 15 254T 91 91.7 5.9 1-5/8 13.9 2-3/16 BX56 2
856 20 256T 91 93 6.7 1-5/8 13.7 2-3/16 5VX610 2
907 25 284T 91.7 93.6 7.1 1-7/8 13.7 2-3/16 5VX610 2
40 Ton
617 10 215T 89.5 91 4.9 1-3/8 13.9 2-7/16 BX67 2
652 15 254T 91 91.7 5.1 1-5/8 13.7 2-7/16 5VX710 2
728 20 256T 91 93 5.7 1-5/8 13.7 2-7/16 5VX710 2
780 25 284T 91.7 93.6 6.1 1-7/8 13.7 2-7/16 5VX710 2
1.
kW = (BHP X 0.746) / Motor Eff.
MBH = kW X 3.414
MBH = (BHP X 2.546) / Motor Eff.
NOTES: 1) Class I Blowers are limited to 15 HP motors on 25 and 30 Ton units.
2) Class I Blowers are limited to 20 HP motors on the 40 Ton units.
3) Class II Blowers are not HP limited, can use 25 HP.
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