Fig. 16.2 Controller on-wall mounting
The controller must be installed in a way that:
it is securely mounted on flat base, using
all mounting points (3 in controller casing
itself and 4 intermediate plate);
degree of protection is ensured suitably to
environmental conditions;
dust and water access is prevented;
permissible operating temperature is not
exceeded for the controller (40°C);
air exchange inside casing is allowed;
access to dangerous parts is disabled;
electrical installation, to which the
controller is connected, must be equipped
with the device that allows disconnection
of both supply poles, in accordance
regulations that applies to such systems.
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