A.O. Smith APW120DW Manuals

Manuals and User Guides for A.O. Smith APW120DW. We have 1 A.O. Smith APW120DW manual available for free PDF download: Installation & Service Manual

A.O. Smith APW120DW Installation & Service Manual

A.O. Smith APW120DW Installation & Service Manual (44 pages)

Indirect Plate Water Heater

Brand: A.O. Smith | Category: Water Heater | Size: 15.21 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The APW - How It Works

4
1 Determine Apw Location

5
2 Prepare Water Heater

7
- Receiving and Unpacking the APW
  7
- Setting the Unit
  7
3 Hydronic Piping

8
4 Adjustments

15
- 3-Way Control Valve Adjustment
  15
  - Control Valve Calibration and Status Indications
    15
  - Manual Control of 3-Way Valve
    16
- Temperature Controller Operating Controls
  18
5 Operating Information

19
6 Wiring

20
- Electrical Wiring Connections
  20
7 Modbus

21
- Installation Procedure
  21
- Modbus Eexception Codes
  22
- Primary Data Tables
  23
- Memory Map
  23
- Physical Wiring
  23
- Procedure to Change Modbus Address
  24
- Troubleshooting
  24
8 START-UP Introduction

25
9 MAINTENANCE Maintenance and Annual Startup

27
10 Troubleshooting

29
- Checking Temperature Sensors
  30
11 Sizing Data

31
- How to Properly Size Your Indirect Water Heater
  31
12 Diagrams

39
- Wiring Diagram
  39
13 Replacement Parts List

40
- When Ordering Replacement Parts
  40
- Revision Notes
  44

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