Andivi TRC-d Manuale tecnico - Pagina 9
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Andivi – TRC-D – Technical Manual
Type
2-Pipe system (E)
4-Pipe system (B or C)
Valve control for Anti-Freezing
Protection
ECONOMY MODE
Economy mode can be activated with the digital input on terminal 14 or with the Modbus coil, address 3. Active Economy
mode is indicated with the MOON icon on LCD. If the present temperature in this mode is between Economy Cooling set-
point and Economy Heating set-point, no cooling or heating action is active. If the present temperature is outside these limits,
corresponding cooling or heating action will be activated. If both, Economy and Protect mode are active, Protect mode will have
priority.
PROTECT MODE
Protect mode can be activated with the digital input on terminal 11 or with the Modbus coil, address 2. Active Protect mode is
indicated with the CLOCK icon on LCD. If the present temperature in this mode is between Protect Cooling set-point and Protect
Heating set-point, no cooling or heating action is active. If the present temperature is outside these limits, corresponding
Cooling or Heating action will be activated. If both, Economy and Protect mode are active, Protect mode will have priority.
FIRMWARE VERSION
The firmware version can be read with the POWER ON/OFF button pressed for over 5 seconds.
9
08/14, fw. ver. V1.2, V1.3
Room controller OFF
Valve is always ON
Heating valve is always ON
Valve
active
Valve
not active
Room controller ON
Valve is always ON
Heating valve is always ON
0.5
Differential (°C)
PtCF
(Temp. for
Anti-Freezing)
Anti-
Freezing
Room
Temperature