Error Messages; Relay Output - Orbis Thermo X Manual De Uso

When there is a fault that prevents correct operation, e.g. failure of the temperature-
control sensor, the display reads "---" in place of the relevant temperature reading
(from internal or external sensor).
• In case of sensor failure when Thermo X is in WINTER-HEATING mode, the
relay will go on for 10 minutes every 4 hours to prevent the system from
freezing
• In case of sensor failure when Thermo X is in SUMMER/AIR-CONDITIONING
mode, the relay will stay permanently off

Relay output

The system control must be connected between the relay output contacts COM
and NA.
The relay contact is potential free (clean contact).
The maximum contact capacity is 8A/250Vca
External sensor (EXT NTC)
An optional NTC temperature sensor model X.TEMP (code VN883500) can be
connected between terminals EXT NTC
This sensor can be placed at a maximum distance of 40 m (use a shielded cable).
The X.TEMP sensor can be used to read the temperature in another room or to
control the temperature (only when SNS=YES and REG=EST).

ERROR MESSAGES

CONNECTION
EXT NTC OUT BUS
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User Manual - Thermo X
NA NC COM
8A / 250V~