Rinnai RHFE-431WTA User Manual

Programming

Eco

Frost

Override

Auto

Clock

Select

ON/OFF

Timers

– 10 –

am

Set

Room

Auto
Man
Select
Clock

Frost

ON

Override

On

Off

Program

Timer

Temp Review Filter

pm

1

2

3

4 OFF

Mo Tu We Th Fr Sa Su

Function

Lock

Economy Mode

Up/Down: function 
of these buttons 
varies depending on 
the operating mode.
(refer to the table 
below for details).

Timers: used to carry 
out timer programing 
and confirm all 
settings.

Eco: used to select the 
Economy mode(refer 
to page 35). 

ON/OFF: this is the main on/
off switch for the heater.

Auto: toggles the heater 
between AUTO(for timer 
operation) and MANUAL 
operation modes.

Frost: used to initiate 
the Frost mode and 
allows for a minimum 
frost temperature to 
be set(refer to page 
34).

Clock Set

To set current time 

and day

Select days of 

week, time and 

temperature

Set Frost 

Protection 

temperature

Timer Program

Frost Protection

Override: overrides 
the current timer 
setting by reversing 
the current operation
(see page 33).

Clock: used to set the current 
time and day.(refer to page 24).

Select: When programing the
timers, this button is used to select 
and confirm day, time and 
temperature settings.

Days:shows current 
day of week or day(s) 
being programmed.

Periods:shows 
current operating 
period or period 
being programed.

Review: indicates that 
the review mode is on.

Filter:shows when the 
filter needs to be cleaned.

Function Lock:
indicates that the 
function lock is on.

Clock:shows current 
time or pre-set program 
time for timer.

Select Program Timer/Temp: indicates when the timers 
are being programed-Start time "Select Program Timer" 
or Temperature "Select Program Temp".

Temperatures:
shows pre-set and 
room temperatures.

Auto/Man: indicates 
Manual or Timer 
operation mode.

Frost:indicates that the anti-frost mode is on and that 
a minimum anti-frost temperature can be entered.

Override On/Off:  indicates whether the 
Override function is on and whether it has 
turned the heater on or off(reverse function).

  :  indicates when the heater is 

operating and whether the burner is 
alight(

 ).

Clock:
shows when 
the clock is 
being set.

Economy Mode:
 indicates that the 
Economy Mode is on.