23
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.
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
fi
lters:
• Remove
fi
lters.
• 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
fi
lters to remove excess water
and let dry.
Note:
The optional MERV13
fi
lter is a disposable
fi
lter. It should be replaced when it is too dirty.
Vacuum the MERV13 membrane
fi
lter quarterly using the dusting brush attachment to extend
its service life.
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.
• 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
fi
lters by making sure that they are engaged in their slots.
10. Close the unit door and reconnect power supply.
11. Reset
fi
lters, if required. If using an optional main wall control (D
EHUMIDISTAT
OR
A
UTOMATIC
), press on the INT/AUTO button for
5 seconds to reset the
fi
lters. If using the A
DVANCED
optional main wall control, follow the instructions on the touch screen.
CAUTION
A blocked air vent or
fi
lter, 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.
VD0493
9.1 Q
UARTERLY
WARNING
!
VD0494
MERV8
FILTER
INCLUDED
O
PTIONAL
MERV13
FILTER
OR
HEPA
MEMBRANE
F
ILTER
(
EXHAUST
FILTER
NOT
INCLUDED
)
E
XHAUST
FILTER
INCLUDED
NOTES:
1.
The optional MERV13
fi
lter replaces the MERV8
fi
lter.
2.
MERV13
fi
lter and HEPA membrane
fi
lter have the same installation instructions.
Pull the core 3
"
to 4
"
out.
Bend the two MERV13
fl
aps to form a
45-degree angle, as illustrated below.
Install the MERV13
fi
lter over the core
as illustrated hereafter.
Push the core and the MERV13
fi
lter to
the bottom of the unit.
45˚
45˚
