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Table 2 — Evaporator Fan Motor Data (Units with Starting Serial Numbers 4197 and Later)
UNIT
SIZE
48E
MOTOR
HP
MOTOR
SHAFT
DIA.
(in.)
FAN
SHAFT
SPEED
(rpm)
MOTOR
SHEAVE
MOTOR
SHEAVE
PITCH
DIAMETER
(in.)
BUSHING
DIAMETER
(in.)
FAN
SHEAVE
FAN
SHEAVE
PITCH
DIAMETER
(in.)
BUSHING
DIAMETER
(in.)
BELT
(QUANTITY)
OUTSIDE
BELT
LENGTH
BELT
TENSION
(Lb at
.24 in.)
024
5 1.12 717 BK55 4.8 None-1.125 1B5V124 12.4 B-1.9375 BX59 62 5.10
10 1.38 924 2BK50 4.4 None-1.375 2B5V86 8.6 B-1.9375 (2) BX51 54 5.21
15 1.62 1096 2B5V56 5.7 B-1.625 2B5V90 9.1 B-1.9375 (2) 5VX530 53 6.00
028
7.5 1.38 773 BK60H 5.4 H-1.375 1B5V124 12.4 B-1.9375 BX59 62 6.48
10 1.38 962 1B5V60 6.1 H-1.375 1B5V110 11.1 B-1.9375 5VX590 59 7.37
15 1.62 1106 2B5V54 5.5 B-1.625 2B5V86 8.7 B-1.9375 (2) 5VX530 53 6.12
030
10 1.38 848 2BK50 4.4 None-1.375 2B5V94 9.4 B-1.9375 (2) BX52 55 5.27
15 1.62 1059 2B5V48 4.9 B-1.625 2B5V80 8.1 B-1.9375 (2) 5VX500 50 6.63
20 1.62 1187 2B5V58 5.9 B-1.625 2B5V86 8.7 B-1.9375 (2) 5VX530 53 7.31
034
10 1.38 884 2BK50 4.4 H-1.375 2B5V90 9.0 B-1.9375 (2) BX51 54 5.24
15 1.62 1096 2B5V56 5.7 B-1.625 2B5V90 9.1 B-1.9375 (2) 5VX530 53 6.00
20 1.62 1187 2B5V58 5.9 B-1.625 2B5V86 8.7 B-1.9375 (2) 5VX530 53 7.31
038
10 1.38 779 1B5V60 6.1 None-1.375 1B5V136 13.7 B-1.9375 5VX650 65 7.62
15 1.62 976 2B5V52 5.3 B-1.625 2B5V94 9.5 B-1.9375 (2) 5VX530 53 6.37
20 1.62 1050 2B5V56 5.7 B-1.625 2B5V94 9.5 B-1.9375 (2) 5VX550 55 7.60
044
15 1.62 976 2B5V52 5.3 B-1.625 2B5V94 9.5 B-1.9375 (2) 5VX530 53 6.37
20 1.62 1050 2B5V56 5.7 B-1.625 2B5V94 9.5 B-1.9375 (2) 5VX550 55 7.60
25 1.88 1182 2B5V74 7.5 B-1.875 2B5V110 11.1 B-1.9375 (2) 5VX590 59 7.60
048
20 1.62 993 2B5V62 6.3 B-1.625 2B5V110 11.1 B-1.9375 (2) 5VX570 57 7.22
25 1.88 1134 2B5V80 5.9 B-1.875 2B5V124 12.5 B-1.9375 (2) 5VX630 63 7.36
30 1.88 1182 2B5V74 7.5 B-1.875 2B5V110 11.1 B-1.9375 (2) 5VX590 59 9.07
NOTE: Motor shaft speed is 1750 rpm. The fan shaft diameter is 1
15
⁄
16
inches.
Step 4 — Install Flue Hood — Flue hood is shipped
inside gas section of unit. To install, secure flue hood to ac-
cess panel. See Fig. 10.
NOTE: When properly installed, flue hood will line up with
combustion fan housing. See Fig. 11.
Fig. 8 — Air Distribution — Thru-the-Bottom
Fig. 9 — Air Distribution — Thru-the-Side
Fig. 10 — Flue Hood Location
12