To sync a CONNEX™ wireless controller to your CST-240
thermostat instead of a CONNEX™ heater, place your
controller in sync mode and follow the below instructions
Press the synchronization button for 5 seconds to enter
the CST-240 into a pairing mode with a CONNEX™
wireless controller. While the unit is in sync mode, the
displays for 30 seconds and it will be able to receive an
RF message and update its sync information. If the unit
has not successfully synced in 30 seconds, the X symbol
displays.
+
Press the + (up) button to increase the temperature set
point by 0.5°C (1°F) up to a maximum of 30°C (86°F).
Press the − (down) button to decrease the temperature
−
set point by 0.5°C (1°F) up to a minimum of 5°C (41°F).
Press the + and − buttons at the same time to toggle the
display and set point information between °C and °F.
This function disables all buttons until the child
lock is disabled
Press a sequence of +, −, +. −, +, − to enable the
child lock and disable all button functions. The
CST-240 will still respond to wireless controller
commands.
Press a sequence of −, +. −, +, −, + to disable the
child lock.
CST-240
12
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