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19
XPAK INSTALLATION DIAGRAMS
NOTICE:
The following illustrations are simplified conceptual
illustrations only.
Key for installation sample diagrams
1. XPak boiler
2. Gas shut off valve
3. Expansion vessel
4. Radiators
5. Under floor heating
6. Pressure relief valve discharge pipe
7. Indirect DHW tank
8. 3-way valve
9. Room thermostat (24V)
10. Remote control (Raypak)
11. Condensate drain pipe
12. Valve ball
13. Hydraulic manifold box package
14. High limit thermostat floor heating
15. Outdoor sensor
16. Tank thermostat
17. Tank sensor
18. Mixing valve anti scald
19. Radiator valve
20. Condense neutralizer
21. Tank drain valve
22. Tank pressure relief valve
23. Pump
24. 3-way mixing valve
25. Pressure gauge
26. Bypass radiator
Fig. 7
Fig. 8