Maintenance; Quarterly - Broan B180H75rT User's And Installer's Manual

9. MAINTENANCE

High voltage risk. During maintenance or repairs, always stop the unit then unplug it to prevent any risk of electric shock. The wearing
of safety glasses and gloves is recommended when handling unit components to prevent any risk of injury that could be caused by the
presence of thin metal.
9.1 Q
uArterly
1. Disconnect power cord.
2. The door of this unit is hinged and maintained closed by 2 latches. Open them and set aside.
3. Clean the inside of the door with a damp cloth.
4. Clean filters:
• Remove filters.
• Vacuum to remove most of the dust.
• Wash with a mixture of warm water and mild soap. You may add bleach if you wish to disinfect (one
tablespoon per gallon). Rinse thoroughly. Shake filters to remove excess water and let dry.
Note: The optional filter is a disposable filter. It should be replaced when it is too dirty.
5. Remove the core.
6. Clean the condensing tray with a damp cloth.
7. Check the exterior air intake hood:
• Make sure there are no leaves, twigs, ice or snow that could be drawn into the vent.
A blocked air vent or filter, even partially, could cause the unit to malfunction. The comfort provided by the unit could be reduced and
the risk of unit frost could increase. This could cause unit breakdown and/or damage to property.
• Clean if necessary.
8. Rotate the blower wheels by hand. If one of the wheels does not rotate easily, contact your installer.
9. Reassemble the components. Pay special attention to the filters by making sure that they are engaged in their slots.
10. Close the unit door and reconnect power supply.
11. Reset filters, if required. If using an optional main wall control (S
5 seconds to reset the filters. If using the a
merv8
filTer included
e
xHauST filTer included
Pull the core 3" to 4" out.
Bend the two filter frame flaps to form a
45-degree angle, as illustrated below.
45˚
45˚
Install the filter over the core as illustrated
hereafter.
Push the core and the filter to the bottom
of the unit.
optional main wall control, follow the instructions on the touch screen.
dvanced
VD0534
VD0536
NOTE: The optional filter replaces the MERV8 filter.
VD0535
!
WARNING
CAUTION
, d
peed eHumidiSTaT or
o (
pTional filTer exHauST filTer noT included
24
VD0493
a ), press on the INT/AUTO button for
uTomaTic
)
SEE DETAIL A
SEE DETAIL B
DETAIL A
DETAIL B