CTC SMS-styrning V3 Instructions D'installation Et D'entretien page 18

The antenna is connected to the GSM modem to be used for achieving contact with the
network operator's transmitter. The power pack is connected to the GSM modem. Plugs for
the SIM card tray are not used.
Socket for connection
to the power pack.
Socket for connection
to the serial cable.
Socket for connection
to the antenna.
If the 4 pole plug on the display card
is being used by a memory circuit, the
memory circuit is moved to the free
place on the serial cable.
The memory circuit does not affect
the heat pump/boiler function. It is only
available forCTC to control temperatures
when service is required.
Memory circuit
Picture 5. GSM modem.
Picture 6 with memory circuit
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