Databook Modular T - October 2022 - Rev. 00
14
4.8. Filters
Filter types are plane (compact) made with fibreglass material.
All the filters - regardless of their type
–
are mounted in opportune rails equipped with a mechanical frame
that maintains the filters in pressure a high sealing along the full perimiter.
The available filter grades are:
ISO Coarse 55% (
G4),
ePM
10
80% (
M5),
ePM
1
50% (
F7) and
ePM
1
80%
(F9). They
can be combined to meet any kind of requirement.
The units come standard with
ePM
10
80%
(M5) and
ePM
1
50% (
F7) filters respectively for extract and supply air
side. In accordance with ISO 16890, the unit can reach SUP (supply air categories) 1 level from ODA (outdoor
air categories) 3 level.
The recommended minimum efficiencies depending on ODA and SUP categories are summarised in the
following table.
Supply air class
Outdoor Air Quality
SUP 1 (High)
SUP 2 (Medium)
SUP 3
(Moderate)
SUP 4 (Low)
ODA 1
(Pure Air)
ePM1 70%
ePM1 50%
ePM2.5 50%
ePM10 50%
ODA 2
(Dust)
ePM1 80%
ePM1 70%
ePM2.5 70%
ePM10 80%
ODA 3
(Very high concentration of dust)
ePM1 90%
ePM1 80%
ePM2.5 80%
ePM10 90%
The recommended filter combination depending on ODA and SUP categories are summarised in the following
table.
Supply air class
Outdoor Air Quality
SUP 1 (High)
SUP 2 (Medium)
SUP 3
(Moderate)
SUP 4 (Low)
ODA 1
(Pure Air)
F9
F7
F7
F7
ODA 2
(Dust)
F9
F9
F9
F7
ODA 3
(Very high concentration of dust)
F7 + F9
F9
F9
F9
For easy reference, the EN779:2012 has been replaced by the ISO 16890. The new naming is included in the
following table.
Filter name (EN 779)
Filter name (ISO 16890)
ePM
1
ePM
2,5
ePM
10
G4
ISO Coarse 55%
N/A
M5
ePM
10
75%
40%
50%
75%
F7
ePM
1
50%
50%
60%
80%
F9
ePM
1
80%
80%
85%
90%
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