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3.2 ANNUAL MAINTENANCE (FALL)
Repeat steps 1 to 6 from the previous Section and continue with the following steps:
1. Clean the recovery core
A- Polypropylene core (heat recovery units: HRV100/HRV200)
• Remove the recovery core.
• Let it soak in a mixture of cold or
lukewarm water and mild soap
(dishwashing liquid).
• Rinse thoroughly.
• Shake the core to remove excess
water and let it dry.
B- Enthalpic paper core (heat and humidity recovery units: ERV100/ERV200)
• Remove the recovery core.
• Remove dust using a vacuum cleaner with a soft brush attachment.
VD
1
CAUTION
Handle the recovery core with care.
CAUTION
This type of recovery module cannot be washed with water.
WARNING
Dangerous voltage may be present. During maintenance and repairs, the
unit must always be turned off, then unplugged.
We take great care to minimize sharp edges; however, please proceed
with caution when handling all components.
2. Clean the centrifugal fan wheels
VD
1
A
Remove the wing nut.
VE
B
Disconnect the fan motor wires.
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