3.MAINTENANCE (CONT’D)
3.1
6.3For HEPA Filtration, Fresh Air and Energy Recovery model GSEH3K only
CAUTION
The GSEH3K energy recovery core cannot be washed with water.
Slide out the two core filters (item 1) from the energy recovery core and wash them under hot water with mild soap.
Remove the dust on the energy recovery core (item 2) using a vacuum cleaner with a soft brush attachment.
Rinse the core filters thoroughly and let dry before reinstalling them on the energy recovery core. Reinstall the energy recovery core in the unit.
1
1
2
VD0155
1)Core filters
2)Energy Recovery Core
NOTE: Make sure the damper spring (1) is still inside the left front port opening before reinstalling the energy recovery core.
1
VD0120
1) Damper spring
7.If removed, reinstall the door and its stopper. Close the latches and turn ON the switch knob to its previous position.
8.Your unit is equipped with a wall controller (ACCGSC1 or 40425). For ACCGSC1, reset the filter maintenance indicator by inserting a small rod (eg: paper clip end) into the reset filter hole of the wall control. Press lightly
until the Filter Maintenance indicator light turns off. For 40425, to reset the counter and turn the LED OFF, simultaneously press both 
and 
buttons for 1 second.
3.2ANNUAL MAINTENANCE (ESSENTIAL)
Your unit is equipped with a wall controller (ACCGSC1 or 40425), which tells when to perform maintenance when the Filter Maintenance light stays ON. Otherwise, this maintenance must be performed once a year to ensure your unit proper operation for years to come. Proceed as the
NOTE : In annual maintenance, for 40425, to reset the counter and turn the LED OFF, simutaneously press both 
and 
buttons for 5 seconds.
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