Toshiba VN-250SE Service Manual page 14

7-2. Model Installation
Note that when installing a unit body
upside down, its printed indication is
in a reversed position.
7-2-1. Method of Use
• Use the operation switch to operate the unit.
0 (OFF) .............. the unit stop.
1 (ON) ................ the unit operates.
• Use the Air Flow switch to set to the desired air flow.
High ................... Turns to high air volume.
Low .................... Turns to low air volume.
• Use the Function Select switch to set the ventilation mode.
Heat Exchange Ventilation Mode ..... Open air is thermal-exchange with room air to bring it closer to a room
Normal Ventilation Mode .................. To intake open air as it is.
7-3. Maintenance Method
In order to prevent the reduced effectiveness of your Heat Exchange Ventilators, be sure to clean dirt and dust from the
filter and Heat Exchanger at regular intervals.
Be sure to turn the power off, and to
keep the exclusive breaker off
before carrying out maintenance
activities.
Switch
Turn off
Do not use the following items for
cleaning.
Metal brush
Outside Intake Duct
Pipe Hood
OA
(Outside Air)
Heat Insulation
Material
Pipe Hood
temperature and humidity, before taking it in the room.
CAUTION
Do not immerse the filter or other
resin components in water 60°C or
above.
W a
t e r
o r a 6 0 ˚
C
b o v
e
Avoid using heat to dry the filter, as
it may cause changes in shape or
quality.
– 14 –
Supply Air Duct
Ceiling Suspension Bolt
Room Intake Duct
EA
(Exhaust Air)
Room Intake Opening
(Supply/Exhaust Air Grill)
Exhaust Air Duct
Never use water on the motor, the
switch, or the Heat Exchanger.
Always be sure to use a filter.
Failure to do so may cause dust
and dirt to build up on the Heat
Exchanger, lowering its efficiency
and rendering it inoperable.
Filter
SA
(Supply Air)
RA
(Outside Air)
Inside Supply Opening
(Supply/Exhaust Air Grill)
Motor
Heat
Exchange
Element
Switch