Check if the power cord of the boiler is plugged.
A freeze protection function activates only when
the boiler is on.
Caution for freeze protection
Do not close the each room valves of allotter
and shut-off valves even if the boiler is not used
for 2 to 3 days.
Exposed pipes must be wrapped with insulating
materials.
Installation of hot wires on pipes could protect the
boiler from freezing.
If water pipes are frozen, there would be no supply of hot water. Use a hair dryer or a portable
electric heater to unfreeze the water pipes and hot water pipes, and if such emergency measure
does not work, contact the Rinnai service.
Installation of hot wires on pipes could protect the boiler from freezing.
Emergency Measures for Frozen Water Pipes
7
Summary of Contents for R331
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