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Maintenance - Toshiba VN-M150HE Service Manual

Air to air heat exchanger concealed microcomputer control type
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13

Maintenance

Running the Air to Air Heat Exchanger for a long period
causes the filter or heat exchange element to become
clogged with dust. If the filter or heat exchange element
is clogged, the ventilation amount is reduced and
ventilation effect will be deteriorated.
Clean the filter and heat exchange element regularly
according to the extent of dust accumulation.
WARNING
Before performing maintenance, stop the unit, then
turn off the breaker.
• Otherwise, an electric shock or injury may result.
Do not pour or spray water or detergent on the
electric parts.
• Otherwise, an electrical leakage may occur and a fire
or electric shock may result.
CAUTION
Wear protective gloves when performing
maintenance.
• Otherwise, an injury may result.
Maintenance of the filter and
heat exchange element
◆ Filter maintenance (Clean the filter
once or twice a year.)
2
1
Clean the filter if
remote controller.
2
Press the
button after cleaning the
filter. The
indicator disappears.
is indicated on the
1
Open the inspection cover.
Enter the ceiling cavity remove the screw of fixed
part of Inspection cover and remove the fixing
lever (support the inspection cover while removing
the brackets), then open the inspection cover.
Fixing lever
2
Pull out the heat exchange elements.
Filters are attached to the heat exchange element.
Hold the handle of the heat exchange element,
then pull it out.
* 2 heat exchange elements are equipped with
this unit.
CAUTION
The table below shows the weight of each heat
exchange element. Handle the heat exchange
element carefully so as not to drop it.
Model name
1
VN-M150HE
VN-M250HE
VN-M350HE
VN-M500HE
VN-M650HE
VN-M800HE
VN-M1000HE
134
Fixed part of
Inspection cover
Inspection cover
Filters
Weight (kg/unit)
1.7
1.7
1.7
2.9
2.9
3.7
3.7
Quantity
2
2
2
2
2
2
2

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