Installation Considerations; Rough In Dimensions - A.O. Smith 197835-001 Instruction Manual

Power vent/power direct vent gas models with hot surface ignitio
Table of Contents

Advertisement

rouGh In dIMensIons

rough-In-dimensions
Model
Units
A
Inches
68.50
49.25
100
cm
174
125.09
Top/Side Inlet and Outlet: 3/4" NPT
Gas Inlet: 1/2" NPT
capacity, Gas and electrical characteristics
Approximate Capacity
Model
U.S. Gals.
Liters
100
50
189
All models - Maximum Supply Pressure: 14 inches W.C. (3.48kPa)
Minimum Supply Pressure for Natural Gas: 3.50" (.87kPa)
Minimum Supply Pressure for Propane Gas: 8.00" (1.99kPa)
Minimum pressure must be maintained under both load and no load (dynamic and static) conditions.
recovery capacities - u.s. Gallons/hr. and liters/hr. at temperature rise Indicated
Input
Model
Rating
Rating
(Btu/hr)
(kW)
100
100,000
29.3
Recovery capacity based on 96% thermal efficiency

InstallatIon consIderatIons

B
C
D
E
22.00
15.75
3.00
55.88
40.00
7.62
Manifold Pressure
Gas Type
"WC
kPA
Nat./LP
0"
0"
F
30
Temp.
Rise
C
17
GPH
387
LPH
1465
1102
FIGURE 1A.
F
8.00
20.32
Electrical Characteristics
Volts/Hz
Amperes
120/60
<5
Recovery Capacities
40
50
60
70
22
28
33
39
291
233
194
166
882
734
628
7
80
90
100
110
44
50
56
61
145
129
116
106
549
488
439
401
120
130
140
67
72
78
97
90
83
367
341
314

Advertisement

Table of Contents
loading

This manual is also suitable for:

Gdhe-50

Table of Contents