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Selection of installation place
In case of continued operation of the indoor unit under
high-humidity conditions as described below, dew
may condense and water may drop.
Especially, high-humidity atmosphere (dew point
temperature : 23°C or more) may generate dew inside
the ceiling.
1. Unit is installed inside the ceiling with slated roof.
2. Unit is installed at a location using inside of the
ceiling as fresh air intake path.
3. Kitchen
When installing a unit at such place, put insulating
material (glass wool, etc.) additionally on all the
positions of the indoor unit, which contact with high-
humidity atmosphere.
Advice
Set a service check opening panel at right side of the
unit (size: 450 × 450 mm or more) for piping,
maintenance, and servicing.
Ceiling height
When the height of the ceiling exceeds the distance of
the item Standard in Table below, the hot air is difficult
to reach the floor.
Therefore, it is necessary to change the setup value
of the high ceiling switch.
(RAS-M16SMUV-E and M16SMUCV-E only)
When changing the setting of the ceiling height in the
models, RAS-M10SMUV-E, M10SMUCV-E,
M13SMUV-E and M13SMUCV-E, if it is set over
2.7 m, the hot air is difficult to reach the floor.
How to set the High ceiling switch
• Remove the cover of the electric parts box by taking
off the mounting screws (3 positions) and pushing
the hooking section. (The cover of the electric parts
box remains hanged to the hinge.)
• There are the selector switches (SW02) on the P.C.
board of the electric parts box.
No.1 and No.2 of the selector switches (SW02) are
provided to select the height of the ceiling.
According to the ceiling height in the following table,
select No.1 or No.2 of the selector switches (SW02).
REMARKS
• When using the high ceiling (1) or (2), cold air
may be felt due to the temperature drop of
discharge air.
Height list of ceiling possible to be installed
Model
RAS-
Standard (Factory setting)
High ceiling (1)
High ceiling (2)
SW02
No.1
No.2
OFF
OFF
ON
OFF
ON
ON
M10SMUV-E
M13SMUV-E
M16SMUV-E
M10SMUCV-E
M13SMUCV-E
M16SMUCV-E
2.5 to 2.7 m
2.5 to 2.7 m
2.5 to 2.9 m
—
—
2.9 to 3.2 m
—
—
3.2 to 3.5 m
1
ON
ON
SW02
6H
2 3 4
1
ON
6H
2 3 4
F
AN 1
F
AN 2
RE- ST
AR
T
RC A/B
A
B
SW01
TS ADJUST
ON
OFF
Model
RAS-
M10SMUV-E, M10SMUCV-E,
M13SMUV-E, M13SMUCV-E
M16SMUV-E, M16SMUCV-E
Possible installed
ceiling height
Up to 2.7 m
Up to 3.5 m
Summary of Contents for RAS-M10SMUCV-E
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