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„ Installation space
Secure the specified space in the figure for installation and servicing.
500 mm
or more
„ 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 take-in path.
3. Unit is installed in the kitchen.
Advice
‹
y If installing a unit at such place, put insulating material (glass wool, etc.) additionally on all the positions of the
indoor unit which come to contact with high-humidity atmosphere.
REQUIREMENT
When the humidity inside the ceiling seems to be higher than 80%, attach a heat insulator to the side
(top) surface of the indoor unit. (Use a heat insulator that is 10 mm or more thick.)
„ Ceiling height
Model
Possible installed ceiling height
UP0151 to UP0271
If height of ceiling exceeds 2.8 m, hot air becomes difficult to reach the floor surface, and then the change of setup
of high ceiling is necessary.
For the change method of high ceiling, refer to the application control, "Installing indoor unit on high ceiling" in this
Manual.
q Height list of ceiling possible to be installed
Model
UP0151 to UP0271
Standard (Factory default)
Up to 2.8 m
High ceiling (1)
Up to 3.2 m
The lighting time of the filter sign (notification of filter cleaning) on the remote controller can be changed according
to installation conditions.
When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room,
the detection temperature of heating can be raised.
For change the setup time, refer to the application control, "Filter sign setting" and "To secure better effect of
heating" in this Manual.
17-EN
500 mm
or more
500 mm or more
Obstacle
Up to 3.2 m
SET DATA
0000
0001
– 9 –
4
Installation
(Unit: mm)
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
y Do not put a heavy article on the indoor unit. (Even units are packaged)
y Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity,
be sure to use buffering cloth, etc. to not damage the unit.
y To move the indoor unit, hold the hooking metals (4 positions) only.
Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, or resin parts, etc.).
y Carry the package by two or more persons, and do not bundle it with plastic band at positions other than
specified.
y To install vibration isolation material to hanging bolts. Confirm that it dose not increase the unit vibration.
„ External dimensions
110
105
Refrigerant pipe
connecting port
(Gas) B
Refrigerant pipe
connecting port
(Liquid) A
Hanging bolt M10 or Ø3/8
(Locally procured)
60
70
Ceiling bottom surface
Ceiling panel (sold separately)
Model MMU-
UP0151, UP0181
UP0241, UP0271
1410 Panel external dimension
1380 Ceiling opening dimension
1270 Hanging bolt pitch
Take-in port
Electrical control box
of wires
Drain pipe
connecting port
1180 Unit external dimension
A
B
Ø6.35
Ø12.7
Ø9.52
Ø15.88
(Unit: mm)
Ceiling bottom surface
Knockout for simple OA
For Ø100
67
18-EN
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