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10
Maintenance
CAUTION
CAUTION
•
Before maintenance, be sure to turn off the circuit
breaker.
•
Do not clean the filter with all the hooks of the
center panel disengaged and with only one or two
wires still attached to the center panel. Doing so
may cause the center panel to fall down, possibly
causing injury to any individuals below.
Cleaning of air filter
• Clogging of the air filter reduce cooling / heating
performance.
Cleaning of panel and air filter
1
Turn off the air conditioner
Set the circuit breaker to OFF.
2
Open the center panel
• Loosen the screws on the center panel holders
fixed to the frame covers by turning them about
three times. There is a frame cover on each long
side of the panel.
While removing the center panel, as the panel
moves, the panel pushes the center panel
holders and makes the holders slide.
• The direction in which the center panel opens is
fixed.
The side that moves when the edge of the
center panel is pushed upward is the end that
opens; the end that barely moves is the hooking
side.
1) While pushing the edge at the opening side of
the center panel upward (1), pull the panel
toward the opening side (2).
2) When the panel is pulled toward the opening
side, the hooking side drops down by one step,
and the hooks at the opening side are
disengaged.
* Take hold of the center panel near the hooks at both
ends, and disengage the opening side hooks one at
a time.
If the center panel holders refuse to slide, loosen the
screws a little more using the screwdriver.
3) Once you have checked that the hooking side
at both ends has dropped down by one step,
slowly rotate the panel downward (3), and open
it.
* The center panel opens until there is no more slack
in the wires at both ends.
Center panel
holder
Center panel
Screw
Center panel
holder
Frame cover
Screw
Frame cover
Center panel holder
Slide
Center panel holder
(1)
(2)
(1)
(2)
This side
drops down
one step.
Center panel
(3)
Wire
Hooks
3
Remove the air filter
Take hold of the air filter knobs, and while pushing
the filter diagonally (1), pull it downward (2), and
remove it from the openings of the center panel.
4
Remove the dust using a vacuum cleaner or
rinsing it off in water
• When dust has accumulated on the filter, it can
be cleaned effectively using lukewarm or cold
water into which some neutral detergent has
been dissolved.
• After rinsing off the filter, allow it dry out in the
shade.
5
Mount the air filter
Insert the air filter until it touches the back surface.
Take hold of the knobs, raise the air filter until it
touches the back surface, left go of the knobs, and
install.
6
Close the center panel
• Slowly rotate the center panel upward (1), and
close it.
• With the opening side of the center panel now
closed, while lifting the step of the hooking side
(2), slide the center panel toward the hooking
side (3), and secure it.
* Take hold of the center panel near the hooks at both
ends, and engage the hooks one at a time.
7
Return the center panel holders to their
original positions, and tighten the two
screws at the left and two screws at the right
(total: 4 screws) using the screwdriver.
Make sure that the center panel is securely fixed
with the center panel holders and does not open.
8
Check the filter
From the two intakes, check that the filter tabs are
not disengaged. If they are, take hold of the knobs,
and push the filter in so that the tabs are inserted.
9
Set the circuit breaker to ON.
CAUTION
CAUTION
Do not start the air conditioner while leaving the panel
and air filter removed.
(1)
(2)
Tab
Knob
Air filter
Air filter
(1)
Hooks
Center panel
(2)
(3)
(2)
(3)
Step
45-EN
46-EN
Summary of Contents for MMU-UP0071WH-E
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