Airxcel Aqua-Hot AHE-125-DN2 Manuals

Manuals and User Guides for Airxcel Aqua-Hot AHE-125-DN2. We have 2 Airxcel Aqua-Hot AHE-125-DN2 manuals available for free PDF download: Installation Manual, Service Manual

Airxcel Aqua-Hot AHE-125-DN2 Installation Manual

Airxcel Aqua-Hot AHE-125-DN2 Installation Manual (64 pages)

Brand: Airxcel | Category: Heating System | Size: 19 MB

Table of Contents

Table of Contents
2
Caution Notes
2
Installation Checklist
3
Introduction
5
System Features
8
Component Cut-Aways
10
Installing the Aqua-Hot
12
Installation of the Expansion Bottle
13
Mounting the Burner to the Vehicle
14
Combustion Air & Exhaust System
15
Burner Harness
18
Connecting the Burner to the Aqua-Hot
18
Burner Connections
19
Wiring the Aqua-Hot to the RV
21
House Power Sense
23
Connecting the 125-DN2 to 12V DC Power
24
Connecting the Aqua-Hot to AC Power
25
Installing Heat Exchangers
26
Heat Exchanger Locations and Clearances
27
Mounting the Heat Exchangers
28
Wiring the Heat Exchangers
29
Plumbing the Heating Loop
30
Layout Example
31
Domestic Water System
32
Mounting the Aqua-Hot LCD
33
RV-C Network Connectivity
34
Operating the LCD & Aqua-Hot
35
Configuring the Zones
37
Filling the Aqua-Hot
38
Purging the Interior Heating Loop
39
Fuel Supply
40
Fuel System
40
Fuel Purge Procedure
44
Diesel Burner Troubleshooting
45
System Checks
48
First Operation
49
Winterizing
50
Flow Diagram
51
Appendix A: System Schematics
52
Appendix B: Measuring Antifreeze
56
Warranty
63

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Airxcel Aqua-Hot AHE-125-DN2 Service Manual

Airxcel Aqua-Hot AHE-125-DN2 Service Manual (29 pages)

Brand: Airxcel | Category: Heating System | Size: 2 MB

Table of Contents

Table of Contents
2
Caution Notes
2
Introduction
3
Maintenance Schedule
4
System Specifications
4
System Features
5
Component Cut-Aways
5
Operational Flowchart
6
Operating the Aqua-Hot & LCD
7
Aqua-Hot Controller
9
Controller Replacement Procedure
10
Troubleshooting Procedure
11
Fluid Level Sensor
11
High-Limit Thermostats
12
Low-Temperature Cutoff Thermostat
13
Three-Way Valve
14
Replacement Procedure
14
Tempering Valve
15
Fluid Circulation Pump
16
AC Electric System
17
AC Relay
18
ETS Module
18
Fuel System Replacement
19
Fuel System Purge Procedure
20
Burner Troubleshooting
21
General Troubleshooting
23
System Schematics
24
Pin out Information
24
Measuring Antifreeze Using a Refractometer
28

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