12
OPERATING YOUR ST9120C
Choosing the Operating Mode
The operating mode may only be changed when the slider is set to the
RUN
position.
The
symbol is displayed during a programmed heating on period. A green
INDICATOR LAMP
shows when the heating is switched
ON
.
A
MODE
button is provided to select the Operating Mode and therefore how the
heating is controlled.
There are four possible
Operating Modes
; these are
OFF
,
AUTO
,
ONCE
,
CONT
.
Pressing the
MODE
button scrolls round these modes in sequence, and the display
indicates which mode is currently active.
•
OFF mode
The system will remain
OFF
.
•
AUTO (Automatic) mode
The system will be switched
ON
and
OFF
according to the programme.
•
ONCE mode
The system will come
ON
at the first programmed
ON
time, and go
OFF
at the
last programmed
OFF
time.
•
CONT (Continuous) mode
The system will remain
ON
continuously.
Overriding the Operation Without Changing the Programmes
In
AUTO
and
ONCE
operating modes, the
OVERRIDE
button switches the heating
ON
or
OFF
without altering the programme.
When the
symbol is displayed, pressing the
OVERRIDE
button switches the
heating
OFF
until the next programmed
ON
time.
If the
symbol is not displayed, pressing the
OVERRIDE
button switches the
heating
ON
until the next programmed
OFF
time.
The LoT™ Display will provide you with information about the override.
Содержание Y9120H Sundial RF2 Pack 1
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