Broan HRV90H Service Manual download pdf (Page 22)

9. MAINTENANCE

WARNING

Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its

power source.

Since this guide covers both HRV and ERV units, top and side ports, the illustrations shown in the maintenance procedures are typical.

The following procedures applies for both HRV and ERV units.

Refer to pictures below to identify the inner parts of your unit.

VB0078

VB0077

1) HRV CORE 3) FOAM FILTER BRACKETS

2) CORE RETAINERS 4) FOAM CORE FILTERS

1) ERV CORE 3) FOAM FILTER BRACKETS

2) CORE RETAINERS 4) FOAM CORE FILTERS

9.1 SEMI-ANNUAL MAINTENANCE

1. Unplug the unit.

2. Unlatch the door and open it. Clean the inner side of the door with a damp cloth, then wipe with a

dry one. Disengage the door from its hinge by sliding it from left to right and set aside.

3. Lift both foam filters bracket (1) and remove the foam filters from the core. While holding

the core, rotate the 2 core retainers (2) and slide out the core from the unit.

VD0005

WARNING

Be careful before opening the door; water or small debris could fall out. For HRV unit, always wait one minute after

disconnecting the unit before opening the door in order to allow water to drain out from the unit.

VD0179

WARNING

Always hold the core when rotating the 2 core retainers; failure to do so will cause the core to fall out.

VD0177

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Broan HRV90H Service Manual Page 22