USER INTERFACE AND CONTROLS
The status and operation of the SP120 can be clearly seen on the
large backlit Liquid Crystal Display (LCD) - this display allows the
user to see at a glance the current status of the heating system.
The display consists of a combination of symbols and
alphanumeric displays. The top row displays status indicators, the
centre row is a time and day of the week indicator and the bottom
row is an alphanumeric display for menu and status messages.
The status indicator symbols and their meanings are shown in the
following table:
Indicator
Description
Function
Clock Display
Displays the day and time
Alphanumeric Display
Displays menu and other status messages
ON
Mode indicator
Indicates Continuously On
ONCE
Mode indicator
Indicates output is turned on for one period per
day, from PROGRAM 1 ON to PROGRAM 3 OFF
AUTO
Program Mode indicator Indicates Auto ON or Auto OFF
programme is running
OFF
Mode indicator
Indicates Continuously Off
RCC indicator
Indicates the status of the Radio Controlled Clock
Holiday indicator
Indicates Holiday operation mode is selected
Touch Lock indicator
Indicates Touch Lock is activated
Service indicator
Indicates Service function is active
SP120 INSTRUCTION MANUAL
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