p.
5
©Aqua-Hot®
600D and 675D Use and Care Guide
600 Series Components
1. Heating Zone Outlet Ports
2. Wiring Harness Port
3. Expansion Tank Connection
4. Heating Zone Inlet Ports
5. AC Wiring Ports
6. Domestic Water Connections
7. Domestic Water Access Panel
8. Diesel Burner
9. Drain Valve
10. Diesel Fuel Inlet/Outlet Ports
11. Engine Preheat Inlet/Outlet Ports
12. Air Relief Valve
13. Tempering Valve
14. Interlock Switch
15. Zone Circulation Pumps
16. Diesel Burner Controller
17. Engine Preheat Pump
18. Access Covers
4
2
5
6
7
1
8
9
10
11
12
13
3
15
16
17
14
18
