STIEBEL ELTRON SE FLOWSTAR PUMP STATION - Manual (Page 6)

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INSTALLATION INSTRUCTIONS
SE FLOWSTAR PUMP STATION - 221337
5. Remove the components from the tank mounting kit.
6. Apply tefl on tape & pipe dope to the 1˝ BSP threads on
the lower HX assembly. Screw the assembly into the HX port
and tighten it.
7. Apply tefl on tape & pipe dope to the 1˝ BSP threads on
the upper HX assembly. Screw the assembly into the HX
port and tighten it.
8. Attach the elbow piece of the lower HX assembly to the
pump station. Save the gasket for the next step.
9. Attach the pump station to the lower HX connection.
Ensure that the gasket is place between the connecting
pieces.
10. Connect the discharge line to the pressure relief valve
connection. Pipe this discharge line to a heat-resistant
container.
11. Connect the expansion tank at the connection below
the pressure gauge. Stiebel Eltron provides kits for quick
connection of the expansion tank, but it is sold separately.
12. Adapt the initial pressure of the expansion tank to
the system and connect the expansion tank. For more
information regarding the installation of the expansion tank,
please see the installation manual for that expansion tank.
13. Check all threaded connections and retighten them.