The preheating temperature for the antifrost function of the heat recovery cell is chosen
with the + and – buttons.
MLV model:
Choose outdoor air temperature at which preheating
is on. (Note! Temperature < the temperature of the liquid circulating in the radiator.)
3.3.24. Pre-heating temperature for antifrost function in the heat recovery cell
Preheater
07C
VALLOX DIGIT2 SE
11
INSTRUCTIONS FOR USING THE CONTROL PANEL
© VALLOX • We reserve the right to make changes without prior notice.
The hysteresis of the antifrost function in the heat recovery cell is selected with the + and – buttons.
3.3.22. Hysteresis of antifrost function in heat recovery cell
Hysteresis
03C
The interval for the maintenance reminder is selected with the + and – buttons. The
maintenance reminder interval refers to months.
3.3.21. Choosing maintenance reminder interval
Maintenance rem.
04
A water or electric radiator is selected with the + and – buttons, depending on the type of post-
heating radiator the unit is equipped with.
Note! Choosing the wrong type of post-heating may cause a faulty post-heating function.
3.3.20. Choosing post-heating for the unit
Radiator type
electric rad.
The basic humidity level can be chosen as either automatic or manual.
The selection is done with the + and – buttons.
3.3.19. Choosing basic humidity level
Rh-level setting
automatic
The desired setpoint is chosen with the + and – buttons when manual adjustment has been selected
as the Rh level setting (humidity setting, Section 3.3.19).
3.3.16. Setpoint of the basic humidity level
Basic %RH level
40%
The desired cell bypass temperature is selected with the + and – buttons. If outdoor temperature
is lower than cell bypass temperature, the summer/winter damper is in the winter position.
3.3.15. Changing the operating temperature of heat recovery cell bypass
Cell bypass
10C
The desired adjustment value for the direct current fan is selected with the + and – buttons. The
rotation speed of the supply air fan can be lowered by decreasing the percentage value. If the unit
has alternating current fans, this adjustment has no impact on the functioning of the unit.
3.3.14. Controlling the direct-current fan on supply air side
(does not apply to VALLOX DIGIT2 SE as it has an AC fan)
DC fan - supply
100%
The mode of operation of the switch (either fireplace or booster switch)
is selected with the + and – buttons.
3.3.17. Mode of operation of the fireplace/booster switch
Switch type
Fireplace switch
Cascade control is chosen to be on or off with the + and – buttons.
3.3.18. Choosing cascade control for supply air temperature
Cascade adjust
Off
The setpoint for CO
2
adjustment is chosen with the + and – buttons.
3.3.25. Changing the setpoint for carbon dioxide adjustment
CO2-setting
0900 PPM
The desired maximum fan speed is selected with the + and – buttons. Maximum fan
speed is on either with adjustments or always. See Section 3.3.6. Mode of operation
of maximum speed limitation.
3.3.26. Choosing maximum fan speed
MAX speed
8
The stopping temperature of the supply air fan for the antifrost function in the heat
recovery cell is chosen with the + and –buttons.
3.3.23. Stopping temperature of supply air fan for the antifrost function in the heat recovery cell
Supply fan stop
05C
