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USM_TH-TUNE Aire-Aire y Agua-Aire_207960_181005_EN
TH-TUNE
Packaged Air-Air and Water-Air units
OPERATION MANUAL
DISPLAY
- Backlighted LCD display.
- Two alphanumerical 4-character strings.
- Set of symbols to obtain the entire information
of the operation simultaneously on the same
screen.
- Multi-function centre button: rotate to scroll
through the menus or to increase/decrease a
value and press to enter or to select.
ON-OFF CONTROL
Press and hold the button (On / Off) for two seconds to turn the thermostat on or off. The word "OFF" will be displayed on the thermostat
screen when it is in the Off position.
NOTE: The thermostat will show "OFFd" if the remote on-off contact is open and "OFFs" when communication Off is ordered through
Modbus.
When switching on for the first time or after a power failure the message “Cn” will be displayed during a few seconds until
communication with the board is established.
TEMPERATURE ADJUSTMENT
Adjust the setpoint temperature by turning the central button.
Th-Tune internal temperature probe calibration
Use a positive or negative correction value that will be added to the probe value. The zero value will not change the probe value.
Press and hold the FAN + ON/OFF keys until a password is required.
Access to the configuration menu with the
“22” password and press to validate. Rotate the central button until the
PCAL option appears and select it.
Be careful when changing any other parameter from this menu!
That might disable the Th-TUNE.
Turn the central button to modify the correction value and press to validate.
SYSTEM MODES
Press the (Mode) button to scroll through the available operation modes.
Available system modes:
Cooling Mode
– The display will show the icon and at the lower right corner the icon.
Heating Mode
– The display will show the and icons. This mode is not available for cooling only machines.
Automatic Mode
– The display will show: “
Auto
”. This mode is not available for cooling only machines. This
operating mode will change between cold and heat depending on the selected temperature setpoint. The mode that
is active at each moment will be indicated in the lower right corner of the display: Heating,
Cooling.
Only Fan
– The display will show two icons at the same time:
. The fan will operate in a continuous mode and
will not take into account the temperature value setpoint. Only one speed is available.
NOTE:
When the outdoor temperature is very low and you want the machine to operate in the
cooling mode
, either
by selecting this mode or by selecting the
Auto mode
. If the machine is
NOT
equipped with the condensation control
option it could stop due to the activation of an alarm.
Be careful with keeping the
Auto mode
activated continuously! The conditions that lead to the previous error could
be given.
Indoor Fan Modes
“Fan / Autofan”
with Ventilation
“Continuous / Auto”
Press the (Fan) button to alternate between the automatic and the continuous ventilation mode.
With automatic fan - The icon on the screen will show "Auto".
The fan only works when there is a request for cold or heat.
Without the automatic fan - The word "Auto" disappears from the icon.
The fan operates in the continuous mode.
Clock
Mode
Fan
On /Off
2 Water_Air
1 Air_Air
