Mitsubishi Electric MLP-444WU Installation Manual

MITSUBISHI
ELECTRIC
MITSUBISHI Room Air Conditioner Optional Grille
Model MLP-444WU
INSTALLATION MANUAL
Correct installation is essential for good performance of the product and safety. Be sure to read this manual
before installation.
[ THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
• Be sure to read "THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY" before installation.
• Be sure to observe the warnings and cautions specified here as they include important items related to safety.
• After reading this manual, be sure to keep it together with the OPERATING INSTRUCTIONS for future reference.
A
WARNING
(Could lead to death, serious injury, etc.)
■
Do not perform installation by yourself (user).
Incomplete installation could cause fire or electric shock, injury due to
the unit falling, or leakage of water. Consult the dealer from whom you
purchased the unit or a qualified installer.
■
Install the unit securely in a place which can bear the weight of the
unit.
If the installation location cannot bear the weight of the unit, the unit could
fall causing injury.
■
Perform the installation securely referring to the installation
manual.
■
Be sure to use the parts provided or specified parts for the installa-
tion work.
Incomplete installation could cause fire or electric shock, injury due to the
unit falling, or leakage of water.
The use of defective parts could cause fire or electric shock, injury due to
the unit falling, or leakage of water.
■ Use appropriate protective equipment and tools for safety.
Failure to do so could cause injury.
1. Components
• This kit contains the following parts.
(1) Grille (2) Screw (3) Screw
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Q'ty 1
6
1
Remark MS x 16 4
X
12
2. Checks before installation
• Before installing the grille (1), make sure the indoor unit is square with the ceiling opening (or parallel to the wall-ceiling joint).
• Check that the 4 points for securing the grille (1) on the indoor unit are level with the ceiling surface.
Use the installation template supplied with the indoor unit to arrange the position of the indoor unit so that the 4 points for securing the grille (1) are
level with the ceiling surface with a tolerance of 3 mm (1/8 inch). (Fig. 1)
Note: Instructions for using the installation template are provided on the installation template itself.
Note: If the misalignment between the 4 points for securing the grille (1) and the ceiling surface is more than 3 mm (1/8 inch), the intake
grille may not open or close properly.
• Make sure the following is completed: insulation for the refrigerant pipes, drainage pipes, etc. and wiring connections and arrangements.
• Check that any material like ceiling insulation does not protrude to the ceiling opening.
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Ceiling surface
Point for securing grille (1)
Make sure these surfaces are flush
with each other (0 • 3 mm [D -1/8 inch]).
Points for securing grille (1)
Fig.1
En-1