6.1.2Safety valve
i NOTICE | An ASME 30 psi pressure relief valve is installed on the plumbing kit included |
with the boiler. |
6.1.3Low water cut off
The Rinnai E boiler has a factory installed pressure switch type Low Water Cut
i NOTICE Off (LWCO). Check your local codes to see if a Low Water Cut Off is required (LWCO) and if this device conforms to local code. See the Rinnai Boiler Applications Manual for further information.
The Low water cut off is not serviceable.
6.2Expansion tank
i NOTICE
Installation & Servicing Instructions Rinnai
The
The tank of the E75CN and E75CP is positioned inside the boiler casing. This expansion tank has a
The tank of the E110CN and E110CP is positioned directly beneath the boiler and together with the casing forms a single entity with the boiler.
The casing can be removed by pulling forwards. The expansion tank has a
If a larger capacity expansion tank is needed for the installation a standard expansion vessel should be fitted additionally.
In that case choose an expansion tank volume, of which the summary is geared to the installation’s water capacity. The
Fill the expansion tank to a minimum of 14.5 psi.
20