Filters - Lennox FCM 85 Installation, Operating And Maintenance Manual

FILTERS

F
ILTER 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 monitors the pressure drop across the filter.
The following set points can be adjusted depeding on the installation.
"Airflow" in page 2333 = 25Pa by default
"No filter " in page 2334 = 50Pa by default
"Dirty Filter" in page 2335 = 250Pa by default
The actual pressure drop measured accross the coil can be read on the Climatic Display DS60 in menu 2332
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 2333
-Fault code 0004 DIRTY FILTERS, if measured ΔP across the filter and coil is above the value set in page 2335
-Fault code 0005 MISSING FILTERS, if measured ΔP across the filter and coil is below the value set in page 2334
Be Careful: do the filters' fire classification's choice according to
FLEXYII_WSHP-IOM-1307-E
the local regulations
.
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