Instruction manual

If the Reset Button is pressed, the RT505TX will behave in the same way as
described above, except that any previously saved user settings stored in the
internal memory will be deleted and overwritten with the default settings,
and all programmable thermostat control settings will be returned to default
values.
USER INTERFACE AND CONTROLS
The status and operation of the RT505TX is
clearly shown 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
current time and day of the week, as well as a
clear indication of the current room
temperature.
There are few user controls for the RT505TX,
making the programmable thermostat very
easy to operate. These controls are shown
below, along with a description of each of
their functions.
USER CONTROL
FUNCTION SUMMARY
Key / Operation Symbol Functions
UP key Increases the selected setting
DOWN key Decreases the selected setting
BACKLIGHT / Manually turns on the LCD backlight
FROST key for 5 seconds, or activates /
deactivates Frost Protection
SELECT key Selects a clock or programme setting
SET key Sets a clock or programme setting
RESET button Resets the programmable thermostat
to default (original factory) settings
RT505TX INSTRUCTION MANUAL
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