Dantherm HCV 300, Manual, Page: 38 / 60

38
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Installation : Calibration of airflow
Calibrate the fan speed using the membrane keypad on the front of the unit.
Step Action Illustration
1 Press and hold the fan button (B) and
weekly program (D) for five seconds until
both
LEDs flash. The fan speed will now change
to level 3.
The unit is now in "installer mode” for one
hour.
+
5 Sec.
A B C D E
2 Connect the ΔPa meter (manometer)
across the direction P1 - > P2 of the
supply air.
Check P1 and P2 positions according to
operating mode on
page 20.
NOTE: This example shows P1 and P2 in
operating mode A. A drawing of "Mode
B" calibration is on the label for Mode B
included in the delivery.
Example of Mode A .
P1
P2
3 Compare the ΔPa value on
the manometer with the P1 - > P2 value,
noted as described on page 37.
Einstellwerte / Calibration / Calibrazione
[Pa] [m³]
[m³] [Pa]
P1 P2
P3 P4
54
50
171
180
4 Press and hold the bypass switch (A) and
adjust the supply air up (D) or down (B)
until the measured ΔPa value approaches
as close as possible the P1 - > P2 value
noted on the label.
Strong wind against the building may
affect the adjustment of the unit.
100%
2
1
4
3
MON - SUN
100%
2
1
4
3
MON - SUN
A B C D E
5 Disconnect the manometer from P1 - > P2
and connect the manometer across the
extract air direction P3 - > P4 .
Check the positions of P3 and P4 ac-
cording to the operating mode on page
20.
NOTE: This example shows P3 and P4 in
operating mode A. A drawing of "Mode
B" calibration is on the label for Mode B
included in the delivery.
Example of
Mode A
.
P4
P3
Calibration using
membrane
keyboard
!