A.O. Smith T-H2-DV User Manual

T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
18
CONFIDENTIAL
10. Component specifications
10-1.
Burners……………………..………………………………….………………………………....……….
19
10-2.
Gas manifold………….………………………………………………..…………………………….....
20
10-3.
Fan motor……………………………………………………………………………………….……...…
21
10-4.
Fan motor for exhaust……………………………………………………………………………….
22
10-5.
Gas valve assembly………………..……………………….………………………………..……….
23
10-6.
Flame rod………………………………………………………….……………………………………….
24
10-7.
AFR rod……………………………………………………………………………………………….…….
25
10-8.
Heat exchanger………………………………………………………………………………..………..
26
10-9.
Secondary heat exchanger…………………………………………………………………………
27
10-10.
Flow sensor……………………………………..……………………………………………………..…
28
10-11.
Water control valve………………………………………………….………………………………..
30
10-12.
Thermistors……….………………………..…………………………………………..……………..…
31
10-13.
Exhaust thermistor…………………………………………………………………………….……...
32
10-14.
Hi-limit switch…………………..………………………………………………….......................
33
10-15.
Hi-limit switch for exhaust………………………………………………………………………...
34
10-16.
Overheat cutoff fuse…..………………………………………………………….....................
35
10-17.
Freeze protection heaters…………….……………………………………………………………
36
10-18.
Computer board……………….………………………………………………………………….……
37
10-19.
Transformer. ………...…………………………………………………………………………………..
38
10-20.
Igniter………………………………………………………………………………………………………..
39
10-21.
Freeze protection thermostat………………………………………………………….………..
40
10-22.
Fuse box…………………………………………………………………………………………………....
41

A.O. Smith T-H2-DV Specifications

General

Brand	A.O. Smith
Model	T-H2-DV
Category	Water Heater
Language	English