2 Contents
1. Safety Information
3
2. About the Water Heater
5
2.1 Items Included
5
2.2 Accessories
5
2.3 Specifications
6
2.4 The Front Panel
7
2.5 Components
8
2.6 Dimensions
10
2.7 Rating Plate
12
3. Installing the Water Heater
13
3.1 Choosing an Installation Location
13
3.2 Mounting the Water Heater to the Wall
14
3.3 Connecting the Gas Supply
15
3.4 Connecting the Water Supply
19
3.5 Connecting the Condensate Drain
25
3.6 Venting the Water Heater
26
3.7 Connecting the Power Supply
33
3.8 Setting the DIP Switches
33
4. Installing a Cascading System
35
4.1 Connecting Water Supplies
35
4.2 Connecting the Communication Cables
36
5. Appendixes
38
5.1 Gas Conversion
38
5.2 Technical Data
44
5.3 Wiring Diagram
46
5.4 Ladder Diagram
48
5.5 Component Assembly Diagrams and Parts Lists
50
5.6 Installation Check list
62
5.7 Requirements for the State of Massachusetts
64
Contents
Содержание NPE-180A
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