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SMMS 2-way Air Discharge Cassette Type
Ceiling height
It is hard for the warm air to reach the floor level if the ceiling height exceeds the standard dimension (set at the time
of shipment) in the table below. Therefore, the high-ceiling setting must be selected.
For details on how to select this setting, refer to the section "Installing indoor unit on high ceiling" in APPLICABLE
CONTROLS of this manual.
Height list of ceiling possible to be installed
Model: MMU-
AP007 to AP030
Standard (At shipment)
High ceiling (1)
High ceiling (3)
REQUIREMENT
• A high-ceiling installation can only be used for models AP007 to AP012 when the ratio of total connection capacity
of the indoor unit to the outdoor unit capacity is 100% or less. Do not use this kind of installation if this capacity is
over 100%.
• It is possible to change how long the filter sign (signaling that it is time to clean the filter) is to stay lighted on the
remote controller in accordance with the installation conditions.
• It is also possible to raise the detection temperature for the heating if it is hard for the air conditioner to heat up the
environment satisfactorily due to a factor such as the location where the indoor unit is installed or the structure of
the room.
• For details on the setting, refer to the section "Change of lighting time of filter sign" and "To secure better effect of
heating" in APPLICABLE CONTROLS of this manual.
In case of wireless type
Decide on the position where the remote controller is to be operated and where the unit is to be installed.
(The wireless type can sense signals within a range of approximately 8 meters. This distance serves as a general
guideline. It may be slightly more or slightly less depending on the remaining charge of its batteries.)
• To prevent a malfunction, select a place where is not influenced by a fluorescent light or direct sunlight.
• Two or more (up to 6 units) indoor units with wireless type remote controller can be installed in the same room.
EN-13
AP036 to AP056
2.7
2.7
3.2
3.0
3.8
3.5
Within 8 m
7
4
INSTALLATION OF INDOOR UNIT
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
(Unit: m)
• Do not put a heavy article on the indoor unit. (Even units are packaged)
SET DATA
• Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be sure to
0000
use buffering cloth, etc. to not damage the unit.
• To move the indoor unit, hold the hooking metals (4 positions) only.
0001
Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, or resin parts, etc.).
0003
• Carry the package by two or more persons, and do not bundle it with plastic band at positions other than specified.
Installation Manual
EN-14
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