Download A.O. Smith BTF-75 Specification Sheet

ROUGH-IN-DIMENSIONS
TOP VIEW
*INSTALL IN ACCORDANCE WITH LOCAL CODES
FIGURE 1
ALL DIMENSIONS IN INCHES
Model Units
A
B
BTF-75 Inches 66 5/16 58 1/2
cm
168.4 148.6
C
D
29 5/8
75.2
E
F
G
H
J
K
25 3/8 15 3/16 4
14
16 1 1/4
64.5
38.6 10.2 35.6 40.6 3.2
L
1
NPT
M
1/2 11 15/16
NPT
30.3
RECOVERY CAPACITIES
Input
Rating
Rating
Btu/Hr
KW/Hr
80,000
23.4
Approx.
Gal.
Cap.
74
Approx. Temp. °C
Model
Liter
Cap.
Rise ° F
BTF-75
284
LPH
GPH
Recovery capacity based on 80% thermal efficiency.
17
22
28
33
39
44
50
56
61
67
72
78
30
979
259
40
734
194
50
587
155
60
489
129
70
419
111
80
367
97
90
326
86
100
294
78
110
267
71
120
245
65
130
226
60
140
210
55
FOREWORD
The design of model BTF-75 complies with the latest version of
ANSI Z21.10.3/CSA 4.3 M98 as automatic storage or automatic circulating
tank type water heaters.
where the installation is to be made. These shall be carefully followed
in all cases. Authorities having jurisdiction should be consulted before
installations are made.
Installation diagrams are found in this manual. These diagrams will serve
to provide the installer with a reference for the materials and method of
piping necessary. It is highly essential that all water and gas piping be
installed as shown on the diagrams.
The installation must conform to these instructions and the local code
authority having jurisdiction. In the absence of local codes, the installation
must comply with the latest editions of the National Fuel Gas Code,
ANSI Z223.1/NFPA 54. The NFPA. This is available from the Canadian
Standards Association, 8501 East Pleasant Valley Road, Cleveland, OH
44131, or the National Fire Protection Association, 1 Batterymarch Park,
Quincy, MA 02269.
In addition to these instructions, the equipment shall be installed in
accordance with those installation regulations in force in the local area
2