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1.6.2 Leak Check & Air Purge
1. Close hot water and cold water faucets.
2. Open hot water and cold water shuto valves.
3. Open hot water and cold water faucets.
4. Check if there are leaks after connecting the hoses to the
NaviCirc.
Note
In case of leaks, close the shuto valves and repair
any leaks.
5. Purge the air from the system by opening the hot water and
cold water faucet.
Note
Perform an air purge so that all residual air can
properly leave the system pipes. If the air purge is
not performed long enough, the recirculation valve
may not operate properly. Also, residual air can
damage the recirculation pump.
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