8
VALLOX 252 D
INSTRUCTIONS FOR USING THE CONTROL PANEL
The preheating temperature for the defrost function of the heat recovery cell is chosen
with the + and - buttons.
1.3.21. Pre-heating temperature for the defrost function of the heat recovery cell
Preheater
07C
The stopping temperature of the supply air fan for the defrost function of the heat
recovery cell is chosen with the + and - buttons.
1.3.20. The stopping temperature of the supply air fan for the defrost function of the heat recovery cell
Input fan stop
05C
The hysteresis of the defrost function of the heat recovery cell is selected
with the + and - buttons.
1.3.19. The hysteresis of the defrost function of the heat recovery cell
Hysteresis
03C
The interval for the maintenance reminder is selected with the + and -
buttons. The maintenance reminder interval refers to months.
1.3.18. Choosing the interval for the maintenance reminder
Maintenance rem.
04
Either 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.
1.3.17. Choosing post-heating for the unit
Radiator type
electric rad.
Automatic or manual search of the basic humidity level. The selection is done with the +
and - buttons.
1.3.16. Choosing the basic humidity level
Rh-level setting
automatic
The desired setpoint is selected with the + and - buttons, unless automatic search of the
basic humidity level is used.
1.3.13. 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.
1.3.12. Changing the operating temperature of heat recovery cell bypass
Cell bypass
10C
The desired adjustment value for the DC fan is selected with the + and - buttons. The
rotation speed of the supply air fan can be lowered by decreasing the percentage value.
1.3.11. Adjusting the DC fan of the supply air side
DC fan supply
100%
The mode of operation of the switch (either fireplace or booster switch) is selected with the
+ and - buttons.
1.3.14. 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.
Cascade adjust
Off
1.3.15. Choosing cascade control for supply air temperature
