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

T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
2
CONFIDENTIAL
Table of Contents
1.
Specifications…………………………………………………..…………………………………………………..……
3
2.
Exterior view……………………...…….……………………………………………………………………………….
4
3.
Interior view…………………………….………………………………………………………………………………..
6
4.
List of main components in the interior view…….………………………………………………….……
8
5.
Schematic diagram…………………………………………………………………………………………………....
11
6.
Wiring diagram………………………………………………………………………………………………………….
12
7.
Wiring diagram checkpoints for diagnosis………………………..………………….………………….…
13
8.
8.
(A) Resistance values of the temperature thermistors……..…………………………………………
(B) Resistance values of the temperature Exhaust thermistors…………………………………..
15
16
9.
Operational flow chart…………………………………………………………………………………………….…
17
10.
Component specifications………………...…………………………………………………………………….…
18
11.
Fault Analysis & Specifications…………………………………………………………………………………. 42
12.
Controls and settings……………………………………………………………………………………………….…
55
13.
Components diagrams………………………………………………………………..................................
90
14.
Parts list……………………………………………………………………………………………………………………..
93
15.
Revisions……………………………………………………...…………………………………………………………...
99

A.O. Smith T-H2-DV Specifications

General

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