Installation Of Indoor Unit - Toshiba MMU-AP0074YH-E Installationsanleitung

Installation of indoor unit

CAUTION
This unit is incorporated with drain pump and float switch. Do not incline the main unit. Otherwise, malfunction of the
float switch may be caused resulting in water leakage.
• Attach the nut (M10 or W3/8: Locally procured) and the attached washer (Ø34 mm: Locally procured) to the
hanging bolt.
• Adjust nut position (lower side) so that clearance between (lower side) and the lower side of ceiling board is 137
mm.
Hanging bolt
(1)
(W3/8 or M10)
M10 flat washer
Nut (W3/8 or M10)
(2)
M10 flat washer
Nut (W3/8 or M10)
1) Required those other than M10 flat washer at site.
2) To prevent falling-off of bolt (safety), be sure to set
it just under the hanging bracket as shown in the
figure.
• Hang up the main unit by hanging nut of hanging bolt to U groove of hanging bracket of the indoor unit.
• Check the horizontal level of the indoor unit with level gauge.
• Check and adjust the positional relation between the indoor unit and ceiling opening hole with installation pattern,
and hanging-up height of the indoor unit.
• The screws used to attach the installation pattern are used again to install the panel.
(Ceiling opening dimension)
81-EN
Hanging bolt
Nut (Upper side)
Washer (Upper side)
(Hanging bracket main
unit)
Washer (Lower side)
Nuts (Lower side)
Lower surface of ceiling
Installation
pattern
Ceiling panel fixing screw
(Use attached screws.)
Opening part
Outline of indoor unit
110 50
1010
(Ceiling opening dimension)
– 41 –
• Fit the ceiling opening size to outside of the installation pattern.
Lower side of installation
pattern
• Match the bottom surface of ceiling and lower side of installation pattern on the same level.
OK NO GOOD
Indoor unit
Lower side of Lower surface of
installation pattern ceiling
Match on the same level.
• Fix the indoor unit securely by tightening nut at upper side.
CAUTION
• Tighten the nuts firmly to fix it.
• Confirm that 4 sides of indoor unit are even up with level gauge.
• Install the unit level off or slightly lean to the drain piping side. If it is installed with leaned to the other side of the drain
piping, it may cause water leak.
Drain piping side
Level line
Drain piping side
Level line
Installation pattern
Lower surface of
ceiling
NO GOOD
Indoor unit
Indoor unit
Drawing : 3 mm or less
Protruding : 0 mm or more
Level vial
Fix securely
NO GOOD
OK
Within 0 to 5 mm
82-EN