Rinnai Q85SN Instructions D'installation Et D'entretien page 22

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NOTICE
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8. Turn on the system pump(s) (SP) and circulate the cleaner through the system
for required time as established by the cleaner manufacturer.
9. Once the time required by the system cleaner manufacturer has been met place
the drain hose (H3) in a drain.
10. Turn off the system pump(s) (SP)
11. Close the main valve on the system return (V3) and open the return side purge
station (BD2).
12. Open the auto feed on the system (F1) and allow water to rinse the system for
whichever is greater; 10 minutes or the required rinse time by the system cleaner
manufacturer.
13. If the installation is a zone system be sure to purge out each zone individually
14. Close the auto feed on the system (F1)
15. Close the return side purge station (BD2) and disconnect the hose (H3).
16. Open the main valve on the system return (V3)
17. Close the bypass valve below the plumbing kit (V4).
18. Open shutoff valves on both the supply and return connections on the plumbing
kit (V1 and V2).
19. Clean out the dirt trap
20. Test the pH of the water that will be used for filling the system
21. Test the water hardness of the water that will be used for filling the system
22. Use the proper water treatment to ensure the pH and water hardness are within
the Rinnai boiler water quality guidelines
23. The boiler and system may now be filled
The following is a list of approved system cleaners, inhibitors, and antifreeze.
Approved antifreeze:
• Rhomar RhoGard Mutli-Metal (AL safe)
• Noble Noburst AL
Approved system cleaner:
• Noble Noburst Hydronic System Cleaner
- Rhomar Hydro-Solv 9100
The system cleaners from NoBurst, Rhomar, and Fernox are NOT to be used in
the boiler. The boiler must be closed off (valved off) from the rest of the system
or not connected while the cleaners are in the system. The system should then
be drained and then thoroughly flushed with clean water to remove all the
system cleaner.
Approved inhibitors:
- Rhomar Pro-tek 922
- Noble Noburst AL inhibitor
- Connect the expansion tank to the system. See chapter 6.2.
- Connect the pipes so that they are free from strain.
Connecting boiler with DHW tank
- Connect the external DHW tank according to the installation instructions of the
DHW tank and fittings concerned. See chapter 7 and the Rinnai Boiler Applications
Manual for additional information.
• Sentinel X500
• Fernox Alphi 11
• Fernox F3 Cleaner
• Sentinel X400
• Sentinel X100