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PA-Series
ERV
MAINTENANCE
4.0 MAINTENANCE
Danger of eye injury from moving air when servicing energy exchanger! Always disconnec power
source before servicing, to ensure no airflow in the system.
WARNING
Maintenance procedures must be followed.
System will not perform as designed unless filters are changed and the energy recovery cores are
cleaned as described below.
CAUTION
4.1 CHANGING THE FILTERS
Every 2–3 months when the unit is in regular use, or as needed to maintain flow.
To access the filters:
u
Remove the Doors from the top of the PA-Series.
u
Reach down into the Filter Racks to remove the top two filters. (A Filter Removal Hook is
provided for removal of the bottom two filters in each rack).
u
Replace the filters. Check filters for correct airflow direction (filters are upstream of Cores).
4.2 CLEAN ENERGY EXCHANGE CORES
Every 5,000 operating hours.
To clean the energy exchange cores:
u
Remove the unit access panels and filters.
u
Vacuum the exposed faces of the energy exchanges core with a soft brush.
u
Vacuum out dust from the rest of the unit case.
u
Install new filters.
Do Not Wash the Energy Exchange Core.
Keep it away from water or fire to avoid damaging it. Always handle the core carefully.
CAUTION
4.3 FILTER SPECIFICATIONS
Unit is shipped with MERV 8 filters (recommended). Do not replace with filters rated less than
MERV 6.
20" x 20" x 2" (nominal) pleated filters
Actual size: 19.5" x 19.5" x 1.75"
