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AHE-450-DE2
Aqua-Hot AHE-450-DE2 Manuals
Manuals and User Guides for Aqua-Hot AHE-450-DE2. We have
1
Aqua-Hot AHE-450-DE2 manual available for free PDF download: Service Manual
Aqua-Hot AHE-450-DE2 Service Manual (113 pages)
Brand:
Aqua-Hot
| Category:
Heater
| Size: 4.47 MB
Table of Contents
Table of Contents
3
Section 1: Introduction to the Aqua-Hot 450-DE Introduction
6
Danger, Warning, Caution, and Note Box Definitions
6
Component Overview
6
Section 2: Aqua-Hot Hydronic Heating System Overview Technical Information
8
Label Sample
9
Aqua-Hot Operational Flow-Chart
12
Antifreeze & Water Heating Solution
13
Diesel-Burner Switch
15
Electric Element Switch
15
Engine Preheat Switch
15
Pin Label
16
Section 4: Exhaust System Requirements Exhaust System Requirements
17
Interlock Switch
18
Fluid Level Sensor
19
Control Thermostat
20
High Limit Thermostat
22
High Limit Thermostats
23
Low-Temperature Cutoff Thermostat
24
Check Valves
25
Tempering Valve
27
Circulation Pumps 1
28
Stir Pump
32
Electric Heating Element
33
Relay
35
Section 6: Electronic Controller General Facts
36
Secondary 12 Volt DC Battery Connection
37
Terminal Strips with Screw-Type Fasteners
37
Low Voltage Reset Feature
38
Replacement Procedure
39
Proper Jumper Pin Formation
39
Section 7: Electronic Controller Indicator Lights Electric Heating Element Status Indicator Light
40
Heating Zones Status Indicator Lights
40
Low Battery Voltage Fault Indicator Light
40
Low Temp Cutoff Status Indicator Light
40
Low Tank-Level Cutoff Indicator Light
40
Heating Status Indicator Light
40
Engine Preheat Pump Indicator Light
40
[Circulation] Pump #1 Indicator Light
41
[Circulation] Pump #2 Indicator Light
41
[Stir] Pump #3 Indicator Light
41
Diesel-Burner Status Indicator Light
41
Overload Fault Indicator Light
41
Section 8: Diesel-Burner Overview
42
Plate
42
Diesel-Burner Overview
43
Diesel-Burner Operational Flow Chart
44
Diesel-Burner Operational Overview
45
Detaching the Diesel-Burner
48
Reattaching the Diese-Burner
51
Section 10: Diesel-Burner Components and Repair Information Diesel-Burner Component Overview
54
Motor
55
Flame Sensor
59
Ignition Electrodes
61
Fuel Nozzle
62
Fuel Solenoid
64
Fuel Pump
65
Bearings
68
Ignition Coil
71
Controller
73
If the Aqua-Hot Is Black Smoking
75
If the Aqua-Hot Is Blue/White Smoking
76
If One of the Aqua-Hot's Heating Zones will Not Get Hot
77
If There Is a Lack of Domestic Continuous Hot Water
78
If There Is Antifreeze Leaking
79
Appendix A: Wiring Diagram
81
Appendix B: Wire Gauge Chart
83
Appendix C: Fuel Pressure Check and Adjustment
85
Appendix D: Extreme Cold Weather Operation
91
Appendix E: Aqua-Hot Annual Maintenance
92
Appendix F: Winterization Process
106
Appendix G: Filling/Draining the Aqua-Hot
107
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