Toshiba VN-U00151SY-E Installation Manual page 41

 Maintenance of the filter and
heat exchange element
Filter maintenance (Clean the filter
once or twice a year.)
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.
Fixed part of
Inspection cover
Inspection cover
2
Remove the filters
Remove the filters from the frame of the heat
exchange element.
3
Pull out the heat exchange elements
Hold the handle of the heat exchange element,
then pull it out.
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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 Weight (kg)
VN-U00151SY-E 2.2
VN-U00251SY-E 2.2
VN-U00351SY-E 1.7
VN-U00501SY-E 2.4
VN-U00651SY-E 2.4
VN-U00801SY-E 3.6
VN-U01001SY-E 3.6
4
Clean the filters
Clean the filters by dusting them or using a
vacuum cleaner. If the filters are badly clogged,
wash them by pressing them down in lukewarm
water with a neutral dish washing liquid.
NOTE
• Do not dry the filter with heat from a flame; otherwise,
deformation or deterioration of the filter may result.
• Light-up hours of the indicator is set to [2500 H]. If
the filter is badly clogged, change the setting value.
For the details, refer to the "Changing the time before
the Filter Sign lights up" on page 33.
• Do not soak the filter in water hotter than 60°C;
otherwise, deformation or deterioration of the filter
may result.
Maintenance of the heat exchange
elements (Clean the heat
exchange elements once or twice
in 2 years.)
1
Clean the heat exchange elements
Remove the dust on the surface of the heat
exchange element using a vacuum cleaner.
NOTE
• Use a vacuum cleaner with a brush, and stroke the
brush gently on the heat exchange element.
• Do not press the nozzle of the vacuum cleaner hard
against the heat exchange element; otherwise, the
surface of it will be scratched.
• Do not wash the heat exchange element in water.
* Contact the dealer or installer when the heat
exchange element is damaged and replacing it
is necessary.
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 Reinstallation after
maintenance
1
Attach the heat exchange elements
Install the heat exchange elements as before.
NOTE
Attach the filters. If this unit is used without them, the
heat exchange elements will become clogged and a
breakdown may result.
2
Attach the filters
Attach the filters after they have completely dried.
Attach them to the frame of the heat exchange
element as before.
3
Attach the inspection cover
Fix the fixing part of the inspection cover with
screws.
Fixed part of
Inspection cover
Inspection cover
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