Setting The Clock; Setting And Operating The Timers - Rinnai EX38CT RHFE-1005FTA2 Installation And Operation Manual

Setting the Clock

1. Press the "Program" button.
2. The light next to
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 Furnace Manually
1. Turn the furnace 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
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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"Clock" should be
temperature.
Rinnai Corporation EX38CT Manual

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 furnace 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
furnace is on or off. To operate
the timer, the furnace 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.
Press the up or down arrows to set the start time.
Holding down either of the arrow keys will change
the time more quickly.
3. Press the "Program" button again so that the
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.
4. Press the "Program" button again so that the
Timer 1 Temp Position is flashing. Press the up or
down arrows to set the temperature.
5. Press the "Program" button again to set the times
for Timer 2. Follow the same steps above to set
the start and end times.
6. Press the "Program" button until none of the time
options are flashing up.
Operating the timers:
To operate the furnace using a Timer, press the ON/
OFF button and the appropriate Timer button. The
furnace 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 furnace.
The timer can be set while the furnace is operating.
While in standby, the timer LED will be on with a solid
light. When operating the LED will be flashing.