FC66002179 – Rev.00
6
Temperature scales
The serigraphic pattern around the thermostat selector represents a temperature scale which ranges from a
minimum to comfort to maximum setting. Depending on the operating mode - cooling or heating - the scale will
correspond to different temperatures as shown in figure 2.
Temperature scales
Cooling
Mode
Heating
Mode
Important
:
when the “Automatic Cooling/Heating changeover according to air temperature” function is enabled,
the thermostat temperature scale will correspond to the values shown in figure 3.
Temperature scales for
“Automatic Cooling/Heating changeover according to air
temperature”
LED indications.
The LEDs may light up in various combinations indicating different operations and statuses of the controller:
o
YELLOW LED ON
: the MICRONET control panel is connected to the MODBUS network.
o
YELLOW LED FLASHING
: for the SMALL solution only, it indicates that the control panel is the network
MASTER.
o
BLUE LED ON
: the unit is currently set in the cooling mode; the fan coil unit may actually be running or
standing by for a call from the thermostat.
o
RED LED ON
: the unit is currently set in the heating mode; the fan coil unit may actually be running or
standing by for a call from the thermostat..
o
BLUE AND RED LEDS ON
: fan coil unit operation is not enabled: the water temperature permits neither
heating nor cooling of the air; or the air temperature is within the neutral zone
o
DOUBLE FLASH OF BLUE LED
: call from the thermostat to start up the fan coil unit in the cooling
mode.
o
DOUBLE FLASH OF RED LED
: call from the thermostat to start up the fan coil unit in the heating mode.
Note
:
Identifying the operating mode when the unit is disabled
(Blue and Red LEDs on)
When the blue and red LEDs are both lit (operation not enabled, see paragraph above), to determine which
operating mode has been set you must turn the thermostat control until one of the two LEDs starts flashing and
then remains steadily lit. That LED will indicate the active mode (blue = cooling; red = heating). Once you have
identified the operating mode, set the thermostat back in the desired position.
Fig.2
Fig.1
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