Dantherm RCV320 P1 Benutzerhandbuch Seite 46

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5. Read out the pressure drop Δp inside the heat exchanger that is required for a desired
volume flow from the airflow diagram. The pressure drop Δp is located on the unit
(--- = supply air, - - = extract air).
80
70
60
50
40
30
20
10
0
0 20 40
Fig. 54: Airflow diagram
6. Mount a ball pump needle on each of two hoses of equal length.
Ball pump needle:
7. Connect the hoses to the ΔPa measuring device.
8. Push the needles completely through the rubber cover of P3 and P4 (operation mode A,
see figure) or P1 and P2 (operation mode B).
Fig. 55: Calibrating the extract air, operating mode A
9. Follow the instructions in the PC tool and adjust the speed of the exhaust air fan until the
ΔPa measuring device indicates the value from step 5.
INSTALLATION AND SERVICE MANUAL FOR PROFESSIONALS
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Installation: Initial start-up and calibration
P1-P2 (A)
P3-P4 (B)
P3-P4 (A)
P1-P2 (B)
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