Filters - Lennox BAC020SNM Installation, Operating And Maintenance

VENTILATION: FILTERS
FILTER REPLACEMENT
After opening the filter access panel, lift the filter retaining log.
The filters can then be removed and replaced easily by sliding the dirty filters out and clean ones in.
The CLIMATIC controller can monitor the pressure drop across the filter (If option fitted)
The following set points can be adjusted depeding on the installation.
"Airflow"
"No filter "
"Dirty Filter"
The actual pressure drop measured accross the coil can be read on the Climatic Display DS50 in menu 2131
The following faults may be identified
 -Fault code 0001 AIRFLOW FAILURE, if measured ΔP across the filter and coil is below the value set in page 3411
 -Fault code 0004 DIRTY FILTERS, if measured ΔP across the filter and coil is above the value set in page 3413
 -Fault code 0005 MISSING FILTERS, if measured ΔP across the filter and coil is below the value set in page 3412
BALTIC R410A-IOM-0708-E
in page 3411 = 25Pa by default
in page 3412 = 50Pa by default
in page 3413 = 250Pa by default
Fig. 43
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