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Rinnai Corporation EX17C / EX22C Manual 9
Override Function
This function is used only when the heater is in Timer
operation.
It allows you to “override” the reset timer setting until
the beginning of the next Timer period.
For example, if the heater is ON, pressing the
“Override” button will turn the heater OFF until the next
period. If the heater is OFF, pressing the “Override”
button will turn the heater ON, and allow you to select
a temperature setting, until the next period. The
heater will remain on until the next timer period or until
the Override function is turned off.
When in override function, pressing the “Override”
button will return the heater to the operation of the
current timer period.
Economy (Energy Saving Mode)
The Economy mode can only be set while the heater
is operating (heating). Once it is set, it will remain in
the system memory until deactivated.
1. To turn the Economy mode on, press the
“Economy” button. The Economy indicator is lit.
• The Economy mode now remains in the system
memory.
• If the appliance is turned off manually, or stops
heating as a result of an OFF timer period, the
“Economy “ indicator will go out.
• Whenever the appliance starts heating again,
the “Economy” indicator will light.
2. To turn the Economy mode off, press the
“Economy” button. The “Economy “ indicator will
go out.
• The Economy mode can only be turned off while
the heater is operating (heating) and when the
“Economy” indicator is lit.
Economy Mode Information
After the room is heated initially, the air temperature
may be dropped to a lower level without affecting
comfort. The Economy Mode reduces the
temperature by 2 ºF, 30 minutes after the room
temperature setting is reached. After another 30
minutes, it reduces the temperature setting by another
2 ºF, effectively saving energy. The room temperature
setting will drop up to a total of 4 ºF.
The Economy Mode will not operate if the heater is
under capacity for the room size.
30 min
2°F reduction
2°F reduction
30 min
Preset Temperature