robatherm RM - Filter Monitoring and Pressure Loss

Filter component
© robatherm 59
10. Check correct assembly: The
distance between the filter and
the filter wall is 2 ± 0.5 mm.
Fig. 115: Mounted filter
Carry out work steps 1 - 10 for the next filter until all filters have been mounted.
Filter monitoring
To check the degree of contamination of filters (except for activated carbon filters), it is recommended
to install a differential pressure measuring device on the operating side of the AHU.
Final pressure loss
Recommended final pressure loss for ISO 16890 filters
Filter class Recommended final pressure loss (lower value)
ISO class 50 Pa + initial pressure loss or 3x initial pressure loss
ISO ePM1,
ISO ePM2.5,
ISO ePM10
100 Pa + initial pressure loss or 3x initial pressure loss
Table 3: Final pressure loss for ISO 16890 filters
Recommended final pressure loss for EN 779 filters
Filter class Recommended final pressure loss
G1 - G4 150 Pa
M5 - M6, F7 200 Pa
F8 - F9 300 Pa
E10 - E12, H13 500 Pa
Table 4: Final pressure loss for EN 779 filters
Final pressure loss
Recommended final pressure loss for ISO 16890 filters
Filter class Recommended final pressure loss (lower value)
ISO class 50 Pa + initial pressure loss or 3x initial pressure loss
ISO ePM1,
ISO ePM2.5,
ISO ePM10
100 Pa + initial pressure loss or 3x initial pressure loss
Table 5: Final pressure loss for ISO 16890 filters