Setting The Clock; Operating The Heater Manually; Setting And Operating The Timers - Rinnai Energysaver EX38C Manual

Setting the Clock

1. Press the "Program" button.
2. The light next to "Clock" should be flashing. Press
the up and down arrows to set the time. Holding
down either of the arrow keys will change the time
more quickly.
3. Press the "Program" button until none of the time
options are flashing up.

Operating the Heater Manually

1. Turn the heater on by pressing the "ON/OFF"
button.
2. Press the up or down arrows to set the
temperature. The left display shows the
temperature setting. The right display shows the
room temperature.
The thermostat automatically modulates the burner
and the fan to maintain the temperature setting.
The temperature settings available are:
 LO - burner is on minimum combustion
 60° F - 80° F in one degree increments
 HI - burner is on maximum combustion
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Setting and Operating the Timers

Confirm the clock is correct.
NOTE: The clock will have to
be reset in case of a power
failure. However the timers will
retain their settings.
The heater will start before the
programmed starting time in
order to heat the room by the
programmed starting time.
The timers can be set while the
heater is on or off. To operate
the timer, the heater must be
on.
Setting the timers:
1. Press the "Program" button twice to set Timer 1.
2. The light next to "Timer 1 on" should be flashing.
3. Press the "Program" button again so that the
4. Press the "Program" button again so that the
5. Press the "Program" button again to set the times
6. Press the "Program" button until none of the time
Operating the timers:
To operate the heater using a Timer, press the ON/
OFF button and the appropriate Timer button. The
heater will operate from the start to end times you
have entered for that Timer. It will operate at the
temperature setting that has been set for the heater.
The timer can be set while the heater is operating.
While in standby, the timer LED will be on with a solid
light. When operating the LED will be flashing.
Rinnai Corporation EX38C Manual
Press the up or down arrows to set the start time.
Holding down either of the arrow keys will change
the time more quickly.
Timer 1 off position is flashing. Press the up or
down arrows to set the end time. Holding down
either of the arrow keys will change the time more
quickly.
Timer 1 Temp Position is flashing. Press the up or
down arrows to set the temperature.
for Timer 2. Follow the same steps above to set
the start and end times.
options are flashing up.