14
AIR INTAKE PORT
Opening the outer door immediatery after closing it, may make
feel heavy. The cause is the pressure difference between inside
and outside the unit that caused by contraction of the chamber air
which cooled down rapidly. When the outer door is closed and
opened soon, the outer door is easy to open with the following
process.
1.
Turn the cap on the left side counterclockwise about two laps.
(Or remove the cap.)
2.
Allow about twenty seconds before open the outer door.
3.
Close (or replace) the cap when the door operation is
completed.
The outer door may not open in the above method when there are frost and ice in the air intake port. In
that case, remove the cap and check the frost inside the air intake port. Remove the frost inside the air
intake port with the enclosed "stick for air intake port cleaning" when the excessive frost is built in the air
intake port. Clean the air intake port every month even when there is no frost in the air intake port.
Refer to page 52 for the cleaning.
CAUTION
For removing the frost in the air intake port, do not use a tool with sharp edge such as a knife or a screw
driver.
Replace the cap when the air intake port is not used. Improper replacement may cause rise of chamber
temperature or condensation around the air intake port.
INSTALLATION SITE
To operate this unit properly and to obtain maximum performance, install the unit in a location with the
following conditions:
■
A location not subjected to direct sunlight
Do not install the unit under direct sunlight. Installation in a location subjected to direct sunlight cannot
obtain the intended performance.
■
A location with adequate ventilation
Leave at least 10 cm around the unit for ventilation. Poor ventilation will result in a reduction of the
performance and consequently the failure.
■
A location away from heat generating sources
Avoid installing the unit near heat-emitting appliances such as a heater or a boiler etc. Heat can decrease
the intended performance of the unit.
Two laps
Cap
