Maintenance; Quarterly - Broan B150H75NS 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 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.
5. Clean the condensing tray with a damp cloth.
6. Check the exterior air intake hood:
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.
• Make sure there are no leaves, twigs, ice or snow that could be drawn into the vent.
• Clean if necessary.
7. Reassemble the components. Pay special attention to the fi lters by making sure that they are engaged in their slots.
8. Rotate the blower wheels by hand. If one of the wheels does not rotate easily, contact your installer.
9. Close the unit door and reconnect power supply.
10. Reset fi lters, if required. If using an optional main wall control (S
5 seconds to reset the fi lters. If using the A
MERV8
E
XHAUST FILTER INCLUDED
Pull the core 3" to 4" out.
Bend the two MERV13 fl aps to form a 45-degree
angle, as illustrated below.
45˚
45˚
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.
optional main wall control, follow the instructions on the touch screen.
DVANCED
FILTER INCLUDED
VD0494
O
PTIONAL
NOTE: The optional MERV13 fi lter replaces the MERV8 fi lter.
WARNING
!
CAUTION
, D
PEED EHUMIDISTAT OR
MERV13 (
FILTER EXHAUST FILTER NOT INCLUDED
23
VD0493
A ), press on the INT/AUTO button for
UTOMATIC
)