ERT50 230v INSTRUCTION MANUAL
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LCD INDICATOR FUNCTION SUMMARY:
Indicator Symbol Function
FROST (left Indicates frost protection
hand side mode is active.
– flashing)
TEMPERATURE Indicates either current room
temperature default is 24℃
or set point temperature.
COOLING Indicates cooling mode is active.
HEATING Indicates heat control
mode is active.
KEY LOCK Indicates key lock is turned on.
MANUAL Indicates the controller is
operating in manual mode.
HOLIDAY Indicates holiday mode is active.
FAMILY Preset (predefined) profile for
family environments.
SINGLE Preset (predefined) profile for
single user environments.
OFFICE Preset (predefined) profile for
office environments.
NAME 1 User definable and
re-nameable profile.
NAME 2 User definable and
re-nameable profile