Phone dialler control.
It is possible to control the timer-thermostat remotely with a phone
dialler connected to the terminals.
By closing the contact, the timer-thermostat is forced onto manual
operation and the keys are locked.
24 - ENGLISH
Connection to a
telephone actuator
with clean contact
On opening the contact the timer-thermostat is forced onto:
• Antifreeze mode if heating is on.
• OFF if air-conditioning is on. In this phase the keys of the timer-ther-
mostat are not locked and it is possible to operate the device.