Basic Components
Basic Components
©Aqua-Hot®
125-DN1 Service Manual
REV 220421
©Aqua-Hot®
125-DN1 Service Manual
REV 220421
p. 9
p. 8
Component Cut-Aways
Component Cut-Aways
1. Combustion Air Fan
2. Fluid Outlet
3. Fluid Inlet
4. Combustion Chamber
5. Circulation Pump
6. Exhaust Gas Temperature Sensor
7. Exhaust Outlet
8. Air Inlet
9. Control Unit
10. Burner Motor
11. Fuel Inlet
12. Combustion Air Inlet
13. Fuel Pump
14. High Altitude Bypass Assembly
1
3
2
5
Figure 13
5
1
3
2
11
6
9
10
7
Figure 11
4
10
9
Figure 14
Figure 12
8
4
5
12
Aqua-Hot Diesel Burner
13
14
Figure 15
Aqua-Hot 125DN
1. Fluid Circulation Pump
2. Tempering Valve
3. Aqua-Hot Controller
4. Antifreeze and Water Heating Solution Tank
5. AC Electric Element
6. AC Activation Relay
7. Plate-to-plate Heat Exchanger
8. Three-Way Valve
9. Zone Air-Bleed Valve
10.
Fluid Expansion Port (to overflow bottle)
11. Zone Return
12. Fluid Fill Port
13. Zone Supply
14. Service Panel
15. External Diesel Burner Supply
16. External Diesel Burner Return
17. Domestic Cold-Water Inlet
18. Domestic Hot-Water Outlet
19. Domestic Low Point Drain
20. Cabinet Drain
1
2
3
4
5
6
7
8
9
Figure 9
NOTE:
The side panel in the view above has been made
transparent to aid in the explanation of the heater. DO NOT
remove the side panel. Doing so risks irreparable damage
to the Aqua-Hot. Only remove the service panel for service.
11
12
13
14
16
17
18
10
9
19
20
Figure 8
3
Figure 10
Figure 7
15
Содержание Aqua-Hot 100 Series
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