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6.2
Version 2
Switch the master switch off or disconnect the control unit on site by
removing the mains supply fuses.
Make sure that the power is switched off.
Open the front door of the control unit to provide access to the rear of the CPU circuit board
(Fig. 13).
Fig. 13
Operating and installation manual for GSM mode
The GSM modem should be installed at the factory.
If the modem is to be retrofitted, the following working procedure
must be observed.
Attention! When retrofitting the modem, it is possible that
functionally relevant components must be removed. Any damage
resulting from improper handling is not covered by the product
warranty. Retrofitting may only be done by suitably qualified
persons.
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