Product Brochure

20
6-175.7
DIMENSIONAL DATA - MODEL BTS
M Listed is the hole diameter and threads per inch to
accept threaded rod.
N This is an approximate dimension for standard
motors, allow 3" for sheave and optional motors.
Table 20.1 - Dimensions (inches) — BTS
Figure 20.1 - Dimensional Drawings - Model BTS
POWER VENTER
VENT PIPE
CONNECTION
ACCESS PANEL
GAS
CONNECTION
COMBUSTION
AIR INLET
ELECTRICAL
CONNECTION
ADJUSTABLE
LOUVERS
MOTOR CORD
STRAIN RELIEF
T-STAT CONNECTION
FILTER RACK
(OPTIONAL)
BLOWER ENCLOSURE
(OPTIONAL)
6 MOUNTING
HOLES
G
D OPENING
A
F
H
B
L
K
C
M (APPROX.)
Q (MIN DIST TO WALL)
E
OPENING
O x P
4 7/8"
J
I
R
S
V
W
X
T
U
7/8"
N
Models BTS150 BTS175 BTS200 BTS250 BTS300 BTS350 BTS400
A 35.53 42.53 42.53 42.53 42.53 42.53 42.53
B 23.06 25.81 25.81 31.31 31.31 39.56 39.56
C 22.05 22.05 22.05 22.05 22.05 22.05 22.05
D 22.52 29.52 29.52 29.52 29.52 29.52 29.52
E 21.18 23.93 23.93 29.43 29.43 37.68 37.68
F 15.33 16.70 16.70 19.45 19.45 23.58 23.58
G (Mounting Hole) M
3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16
H 8.37 8.37 8.37 8.37 8.37 8.37 8.37
I 4.50 4.50 4.50 4.50 4.50 4.50 4.50
J 8.09 9.47 9.47 6.72 6.72 10.84 10.84
K 3.87 3.87 3.87 5.20 5.20 5.20 5.20
L 12.17 13.55 13.55 12.66 12.66 16.78 16.78
M N
52.25 52.19 52.19 58.88 58.88 58.88 58.88
N 33.18 33.90 33.90 39.88 39.88 39.88 39.88
O 23.90 24.13 24.13 27.04 27.04 28.57 28.57
P 24.77 24.52 24.52 27.19 27.19 28.28 28.28
Q (w/Blower Encl & Filter Rack) 73.04 73.70 73.70 79.68 79.68 79.68 79.68
Q (w/o Blower Encl & Filter Rack) 64.25 64.19 64.19 70.88 70.88 70.88 70.88
R 3.56 3.56 3.56 3.56 3.56 3.56 3.56
S 14.90 14.90 14.90 14.90 14.90 14.90 14.90
T 10.00 10.00 10.00 10.00 10.00 10.00 10.00
U 13.54 20.53 20.53 20.53 20.53 20.53 20.53
V 14.52 14.52 14.52 18.04 18.04 18.00 18.00
W 3.27 7.15 7.15 4.77 4.77 5.24 5.24
X 17.38 17.38 17.38 20.38 20.38 20.38 20.38
Gas Connection 1/2 1/2 1/2 3/4 3/4 3/4 3/4
Vent and Combustion
Air Connector Size
4" 4" 4" 6" 6" 6" 6"
Blower 12-12 12-12 12-12 15-15 15-15 15-15 15-15
Approx. Shipping Weight (lbs.) 220 275 280 340 345 395 405
Table 20.2 - Clearances to Combustible Materials
Unit Side
Clearance To Recommended
Combustible Materials Service Clearance
Top and Bottom 6" 6"
Access Side 6" 18"
Non-Access Side 6" 6"
Rear 18" 18"
Vent Connector 6" 6"