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DIMENSIONS/PERFORMANCE – BD
W
X
F
C
M (APPROX.)
N
S
K
EE
P
FILTER RACK
(OPTIONAL)
BLOWER
ENCLOSURE
(OPTIONAL)
A
H
D (OPENING)
BB
E
AA
B
K
G
J VENT PIPE
4-5/8''
L (MIN. DISTANCE TO WALL)
RxT
QxV
O
Dimensions (inches) — BD
Standard Blower Motor Data — BD
Note:Mounting heights and throws for BDmodels, without ductwork or nozzles, and at a cfm
yielding a 55° temperature riseare the same asthose listed forequivalent size PD units.
Dimension
Model Number
Symbol
BD 50 BD 75 BD 100 BD 125 BD150 BD175 BD 200 BD250 BD 300 BD350 BD400
A
17-1/4 17-1/4 19-1/4 19-1/4 21 23-1/2 25-5/8 25-5/8 28-5/8 33-5/8 40
B
24-1/4 28-3/4 28-3/4 35-1/4 35-1/4 35-1/4 40-1/4 40-1/4 40-1/4 40-1/4 40-1/4
C
14-3/4 20 20 22 22 22 25 25 25 25 25
D
14-13/16 14-13/16 16-13/16 16-13/16 18-9/16 21-1/16 23-3/16 23-3/16 26-3/16 31-3/16 37-1/2
E
13 16 16 20 20 20 24 24 24 24 24
F
9-1/4 11 11 12 12 12 13-1/2 13-1/2 14 – –
G
2 2-3/4 2-3/4 3-5/8 3-5/8 3-5/8 4-3/8 4-3/8 4-3/8 4-1/4 4-1/4
H
13-5/8 13-5/8 15-5/8 15-5/8 17-3/8 19-7/8 22 22 25 30 36-3/8
AA
5 6-1/4 6-1/4 8 8 8 9 9 9 9 9
BB
6-1/4 6-1/2 6-1/2 7-1/4 7-1/4 7-1/4 7-1/4 7-1/4 7-1/4 7-1/4 7-1/4
J
① 4 5 6 6 7 7 7 8 9 10 10
K
➃
Mounting Holes
3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16
Gas Connections
➁ 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 3/4 3/4
W
– – – – – – – – – 5 5
X
– – – – – – – – – 16 16
EE
41-3/8 46-5/8 49-5/8 56-5/8 56-5/8 56-5/8 63-5/8 63-5/8 63-5/8 63-5/8 63-5/8
L w/ Blwr Encl & Filt Rk
47-5/8 52-5/8 55-5/8 51-5/8 62-5/8 62-5/8 69-5/8 69-5/8 69-5/8 69-5/8 69-5/8
L w/o Blwr Encl & Filt Rk
38 43-1/8 45-3/4 49-7/8 53-1/8 53-1/8 61 61 61 61 65
M
➂ 32 37-1/8 39-3/4 43-7/8 47-1/8 47-1/8 55 55 55 55 59
N
➄ 11-3/4 14-7/8 17-5/8 18-5/8 21-1/2 21-1/2 25-7/16 25-7/16 24-15/16 17-15/16 22
O
4-1/2 5-3/4 5-3/4 7-1/2 7-1/4 7-1/4 8-1/2 8-1/2 8-1/2 8-1/2 8-1/2
P
22 22 25 25 30 30 34 34 34 34 34
Q Blower Encl Ht
14-1/8 17-1/8 17-1/8 21-3/8 21-3/8 21-3/8 25-1/8 25-1/8 25-1/8 25-1/8 25-1/8
V Blower Encl Width
17-1/2 17-1/2 21-1/4 21-1/4 29 29 34-1/4 34-1/4 34-1/4 44-3/8 44-3/8
R Inlet Duct Height
15-3/4 15-3/4 15-3/4 20 20 20 23-3/4 23-3/4 23-3/4 23-3/4 23-3/4
T Inlet Duct Width
16 16 19-3/4 19-3/4 27-1/2 27-1/2 32-3/4 32-3/4 32-3/4 42-7/8 42-7/8
C
enter to Center
10-15/16 13-15/16 18-7/16 18-7/16 17-5/16 17-3/8 20-3/8 20-3/8 20-3/8 20-3/8 20-3/8
Blower Mtg. Holes S
Std. Mtr. Sheave Dia.
➅ 3 3 3 3 3 3 3 3 3 3 4-1/2
Std. Blower Sheave Dia.
8 10 8 7 11 7 14 10 7 6 10
Blower Wheel Diameter
8 8 9 9 13 13 15 15 15 15 15
Approx. Weight
116# 146# 158# 205# 215# 231# 307# 307# 331# 420# 490#
①
Diameter of round vent pipe to fit oval opening.
➁
For natural gas;may vary depending on control availability.
➂
This is an approximate dimension for standard motors, allow 3" for sheave and optional motors.
➃
BD 50 thru BD 300 — 4 holes (2 on blower and 2 on unit).
BD350 and BD 400 —6 holes (2 on blower and 4 on unit).
➄
Distance between mounting hole in unit casing and mounting hole on blower.On the BD 350 and BD 400, the distance is from rear mounting hole in casing to the mounting hole on blower.
➅
Motor pulley is adjustable.
Standard Model Number
BD 50 BD 75 BD 100 BD 125 BD 150 BD 175 BD 200 BD 250 BD 300 BD 350 BD 400
Horsepower
1/4 1/4 1/4 1/4 1/4 1/3 1/4 1/3 3/4 1 1-1/2
RPM
1725 1725 1725 1725 1725 1725 1725 1725 1725 1725 1725
Type
Split Split Split Split Split Split Split Split Split Cap. Cap.
Phase Phase Phase Phase Phase Phase Phase Phase Phase Start Start
Total Unit
Power Amps
5.7 5.7 5.7 5.7 5.7 4.9 5.7 4.9 11.3 13.7 15.6
①
Data listed is for standard 115-volt, 60-Hertz, single-phase motors.
Motor
Data
For clearance to combustibles,
see page 3.
Heater Parts from ACF Greenhouses