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IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN
PACKAGED COMPACT VERTICAL
– WATER / AIR
WPVBZ HE / WPVZ HE
OPERATION
TH TUNE CONTROLLER
Start / Stop
Press and hold the (On / Off) button for two seconds to turn the thermostat on or off. The word "OFF" will be shown on
the thermostat display when it is off.
NOTE:
The thermostat will show "
OFFd
" when the remote On-Off contact is open
and “
OFFs
” when switching off is
requested through Modbus.
Setpoint Temperature Adjustment
Adjust the SETPOINT temperature by turning the center button
.
Operation modes
Press the (Mode) button to scroll through the available operation modes:
Cooling
– The display will show the icon
Heating
– The display will show the
icon. This icon will not be available for the Cooling Only units.
Auto
– The display will show "
Auto
". Not available for the Cooling Only units. The operating mode will change
between cool and heat depending on the selected temperature Set-point. The currently active mode will be shown
on the lower right corner of the thermostat:
.
DO NOT select this mode if your unit is not equipped with the condensation control as this might cause failure when
activating the cooling mode at very low outdoor temperatures.
Fan only
– The display will show the
icons at the same time. The fan will operate in a continuous mode
and the registered temperature set point will not be taken into consideration.
Indoor Fan:
“
Fan / A
utofan” with “Continuous / Auto” ventilation.
Warnings
The TH-Tune display may show alphanumeric codes of 4 letters/figures (AL01).
When the symbol (
) is displayed at the same time, there is an
alarm
. Without that symbol, this is a warning only. All
warnings will disappear automatically as soon as the cause has disappeared as well. Alarms will require resetting.
Description of the warding codes
CODE
DESCRIPTION
AVFS
Dirty filter
Cn
Attempting to establish communication with the control board (Modbus)
IFAb
Water flow failure
OFFd
On/Off remote control is open
OFFs
Stop through supervisor (Modbus, Bacnet, etc.)
Security stop
Alarms
The alarms shown by a code on the thermostat will cause the stop of the unit.
Reset the Alarm Codes
Press several times the central button until it
appears RES (only available when there is at
least one active alarm).
All the alarms whose causes have disappeared or
have been solved, are cancelled.
Turn the central button to go from 0 to 1.
Press the central button one time to confirm.
When the reset is completed, the text will change to
OK.
After resetting, the thermostat will automatically return to normal, displaying the temperature.
Press the (Fan) button to toggle between automatic ventilation and continuous
ventilation.
Available ventilation modes:
-
With automatic fan
– The Display icon will show "Auto".
The fan works only when there is request for cool or heat.
-
Without automatic fan
– The word “Auto” will disappear from the icon.
The fan works in a continuous mode.
