20
R
UNNING THE
AHU
To run your unit (start your fans to spin) in the manual mode, press
button located in right-upper corner of the HMI
Basic interface. This will change the mode of your unit to Low fan speed. Press the button again and again to change the
AHU mode between Low-Medium-High-Auto and Off mode. The sequence of toggling between operation modes is shown
on Figure 32.
Low fan speed
Medium fan speed
High fan speed
Auto mode
Figure 32 - Toggling between fan speed in manual mode
NOTE! The Auto mode means that Air Handling Unit operation is managed by time schedule. To find how to set the
schedule and how to use more advanced functions of the HMI Basic interface, refer to
Maintenance Manual VENTUS COMPACT VVS021c-VVS150c [EN]
or
Installation, Operation and Maintenance Manual
VENTUS Supended VVS005s-VVS030s [EN]
C
HANGE TO AIR TEMPERATURE SET
-
POINT
To change the required air temperature set-point, turn the knob located
below the main display of the HMI Basic (Figure 33). The required value of
the air temperature set-point will follow the turns of the knob
– will increase
for right turns and decrease for left.
After change, no additional confirmation is required
– the system will
remember your recent settings and will adjust its heating or cooling
capacity to adjust the air temperature to your settings.
S
TART
-
UP BY MEANS OF THE
HMI
A
DVANCED
L
OOK OF THE
HMI
A
DVANCED AND FUNCTION
BUTTONS
The HMI Basic interface is equipped with the
following control elements (Figure 34):
LCD display
Alarms status display button
– marked with a bell
symbol, located in left-upper corner
Programing button (Prg)
– located at left-center.
Escape button (Esc)
– located in left-lower corner
Select-up button (Arrow directed upwards)
– located
in right-upper corner
Enter button (symbol of enter function)
– located in right-center
Select-down button (Arrow directed downwards)
– located in right-lower corner
Figure 33 - HMI Basic. Temperature set-point
Figure 34 - HMI Advanced interface