Override Function; Economy (Energy Saving Mode); Set Back - Rinnai EX38CT Série Manuel D'installation Et D'utilisation

Override Function

This function is used only when the furnace
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 furnace is ON, pressing
the "Override" button will turn the furnace
OFF until the next period. If the furnace is OFF,
pressing the "Override" button will turn the furnace
ON, and allow you to select a temperature setting,
until the next period. The furnace 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 furnace to the operation of the
current timer period.

Economy (Energy Saving Mode)

The Economy mode can only be set while
the furnace 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 furnace 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 furnace is
under capacity for the room size.

Set Back

This function allows a minimum room temperature to
be pre-set, between 38ºF and 78ºF (in 1ºF
increments). This temperature should be set below
the room temperature setting. The default setting is
60ºF. Once the Set back function is selected the
appliance will start heating whenever the room
temperature falls below the selected temperature,
regardless of timer or manual settings.
Follow these steps to set and operate the
Set back feature:
1. Make sure the furnace is turned OFF.
2. Press the "Set back" button. The light
3. Press the up and down
When the "Set back" indicator is on, frost protection is
operating, and will always prevent the room
temperature from falling below the pre-set minimum
temperature (as long as electric power and gas is
supplied).
To turn this feature off, press the "Set back" button.
The unit will retain its ON or OFF setting after a power
failure. (Set Back feature is on by factory default. For
feature to be active unit must be in OFF position.)
NOTICE
The Set Back feature is intended to prevent the
installation location from falling below a specified
temperature. It is not intended as an alternate
thermostat, but rather a preventative measure against
freezing.
Rinnai Corporation EX38CT Manual
above the button will come on.
buttons to set the minimum
temperature.
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