Control Panel
Control Panel
Sensible Temperature Control
The sensible temperature control feature allows
comfortable heating which matches the conditions in
the room.
Based on the information collected by the room
temperature thermistor when the heating starts, the
heating capacity is automatically adjusted to achieve a
Display
After the heater is turned on and begins operating, the display will dim. The display will turn off when the heater is
turned off. While programming the timers the display will turn off for several seconds after a button is last pushed.
Fahrenheit or Celsius (Factory default is °F)
1. The heater must be turned off.
2. Press the Timer 1 and Timer 2 button at the same time for about 5 seconds. The display will show "°C" or "°F".
3. Use the arrow keys to select the temperature scale.
4. Press the ON/OFF button.
On / Off
Press the ON/OFF button to operate the heater. The ON indicator will glow green.
Once the burner ignites, the ON indicator will glow red. When the heater warms up,
the convection fan will automatically start.
To turn the heater off, press the ON/OFF button. The ON indicator light will go out. The
fan will continue to operate for several minutes after the burner has gone out in order
to cool the heater. Do no unplug the heater while the fan is running.
Child Lock
The Child Lock will help to prevent accidental operation of the appliance and to
prevent children from operating the appliance.
To activate Child Lock, press the Child Lock button. The indicator will light and a beep
will sound.
To deactivate the Child Lock, press the Child Lock button and hold for about 2
seconds. The indicator light will go out and a beep will sound.
The lock can be activated when the heater is ON or OFF.
If activated while the heater is ON, all controls other than the OFF switch will be
locked.
If activated while the heater is OFF, then all controls will be locked.
If the heater is turned off while the Child Lock is activated, it cannot be turned on
again until the lock is deactivated.
Deactivating the lock releases the control buttons.
comfortable heating effect and to reach the
temperature setting quickly.
Occasionally, the room temperature may briefly exceed
the temperature setting due to the layout of the room or
heating area.
Rinnai Corporation EX38C Manual
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