CALEFFI 210 Série Manuel D'installation Et De Mise En Service page 48

CTU TOR INST LL TION DI GR M
In order to easily identify the actuators and their position, it is advisable to use this space for the installation diagram.
This will make some operations easier, such as identifying actuators with flat batteries (an identification number is
assigned to each actuator, e.g. VALVE 1).
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