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Operation and Maintenance Instructions
THE NEW EcoHeater
DSEH180401.00.EN
Continuous product development may give rise to specification changes without notice.
5.2 Filters (code ELEF)
The air filter should protect sensitive components inside the unit, such as the
heat recovery coil, from exposure to impurities.
The dust separation efficiency varies considerably between various filter types.
The dust collecting efficiency also varies substantially. It is therefore important to
use filters of the same quality and capacity when you change them.
The filters are designed for one-time use. If they become fouled, the unit will lose
capacity. The filters should therefore be changed if the pressure drop across
them exceeds the specified final pressure drop. It is important to stop the unit
before changing filters to prevent dust from coming loose and being drawn
into the unit. The inside surfaces of the filter sections should therefore also be
cleaned when the filters are changed.
For filter data, see "
. Current filters are shown in the order-unique documents
Technical Data and Spare Parts List.
Inspection
Check the pressure drops across the filters. A manometer connected to probes
is used for these measurements. The probes are connected to each side of the
filters.