Frost Protection - Rinnai EX17 Owner's Operating & Installation Manual

Frost Protection

This function allows a minimum room temperature to be pre-set, between 38 F and 60 F. Once the
Frost Protection function is selected the appliance will start heating whenever the room
temperature falls below the selected temperature, regardless of timer or manual settings.
The default position is ON. If the power is lost, when it returns, the appliance will turn on due to the frost
protection function.
Follow the steps below to set and operate the Frost Protection:
1
Make sure the heater is turned OFF.
2
Press the "Frost" button. The
Frost Protection temperature
and the "Frost" indicator will be
displayed.
3
Press the " " and "
buttons to select the Frost
Protection temperature.
(Between 38 F and 60 F).
When the "Frost" indicator is displayed the Frost Protection is operating, and will always prevent the
room temperature from falling below the pre-set Frost Protection temperature.
To turn off the Frost Protection:
1
Press the "Frost" button. The
"Frost" indicator will go out.
1
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Tu
"
pm
Tu
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Rinnai Corporation EX17 / EX22 Manual
Set
Frost
Set
Frost
Frost Eco
Override Auto ON/OFF
Programming
Clock Select Timer
Frost Eco
Override Auto ON/OFF