Andivi TRC-d Manual técnico - Página 8
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Andivi – TRC-D – Technical Manual
hEATING MODE
Valve control for Heating mode
FAN control for Heating mode
ON FUNCTION
If POWER ON/OFF button is locked, it is not possible to switch the room controller ON or OFF locally with the button. But the ON/
OFF state can be changed by the Modbus communication.
ANTI-FREEZING PROTECTION
1. If the present temperature falls under 10°C (adjustable in Engineer mode and Modbus), a Heating valve opens to 100%. This
is active always, even when the room controller is off. In the 4-Pipe system (B or C), a Heating valve on terminal 4 activates.
In the 2-Pipes system (E), a valve output on terminal 2 activates. Anti-Freezing Protection is ON by default, but it is also
switchable to OFF in the Engineer mode and Modbus.
2. If the present temperature falls under PtCF (default 10°C), a FIRE icon and a HOUSE WITH THERMOMETER will be active on
LCD.
8
08/14, fw. ver. V1.2, V1.3
Valve
active
Valve
Valve
active
not active
Valve
not active
Fan Stage III
Fan Stage III
Fan Stage III
Fan Stage III
Fan Stage III
Fan Stage III
Fan Off
Fan Off
Heating
Heating
1/3 PB
1/3 PB
Stage
Differential
Stage
Differential
Set-point
Set-point
Heating
Heating
Stage
Differential
Stage
Differential
Current
Set-point
Temperature
Current
Set-point
Temperature
1/3
Proportional
Band (PB)
1/3
Proportional
Band (PB)
Room
Temperature
Room
Temperature