Installation under atmosphere of the high humidity
■
Although it has been confirmed that no trouble occurs on the unit, there is a fear of drip of the water if operation
under high humidity condition continues.
In some cases including the rainy season, especially inside of the ceiling may become high-humidity atmosphere
(dew-point temperature: 86 °F (30 °C) (humidity: 80%) or higher).
1
Installation to inside of the ceiling with tiles on the roof.
2
Installation to inside of the ceiling with slated roof.
3
Installation to inside of the ceiling with kitchen.
4
Installation to place where inside of the ceiling is used for pathway to intake the outside air.
• In the above cases, additionally attach the insulation (Glass wool, etc.) to all positions of the air conditioner,
which come to contact with the high-humidity atmosphere.
In this case, arrange the side plate (Service panel) so that it is easily removed.
• Apply also insulation a suffi cient thickness 0.4" (10 mm) or more to the duct and connecting part of the duct.
Duct
Installation space
Reserve sufficient space required for installation or service work.
Air discharge
Ceiling
1.0" (25)
1.0" (25)
A
B
3.9" (100)
or more
or more
Inspection opening (Ceiling opening)
Floor surface
3.9" (100)
or more
Air discharge
Check port
17.7" (450)
B
Service space
(B for maintenance of air filter
(sold separately))
A
Model MMD-
UP0481HFP
57.1" (1450)
15-EN
Service panel
(Unit: in (mm))
Ceiling
1.0" (25)
22.4" (570)
Inspection opening (Ceiling opening)
B
27.6" (700)
Filter cleaning sign term setting
The lighting term setup of the filter sign (Notification of filter cleaning) of the remote controller can be changed
according to the condition of installation.
For setup method, refer to "Filter sign setting" in the Applicable controls of this Manual.
5
Installation
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
Do not put a heavy article on the indoor unit or let a person get on it. (Even units are packaged)
Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, use buffering
cloth or other material to not damage the unit.
To move the indoor unit, hold the hooking brackets (4 positions) only.
Do not apply force to the other parts (such as refrigerant pipe, drain pan, foamed parts, or resin parts).
Carry the package by four or more persons, and do not bundle it with plastic band at positions other than specified.
To install vibration isolation material to hanging bolts, confirm that it does not increase the unit vibration.
External dimensions
56.3" (1430) (Unit extrtnal dimension)
52.8" (1340) (Flange external dimension)
52.7" (1338) (Flange inside dimension)
Air intake
Hole for hanging bolt
(4-Ø0.5" (12) x 1.2" (30))
P:3.9" (100) x 13 = 51.2" (1300)
57.7" (1465) (Hanging bolt pitch)
– 8 –
14-Ø0.1" (3.1) holes
Air outlet
0.8" (20)
1.4" (36)
1.7" (44)
Air
discharge
Air inlet
(Unit: in (mm))
Refrigerant pipe
connecting port Ø3/8" (9.5)
(Liquid side)
Refrigerant pipe
connecting port Ø5/8" (15.9)
(Gas side)
Check port
Electrical control box cover
5.4"
Take-in port of wiring
(138)
14.0" (355)
22.4" (570)
25.6" (650)
Drain pipe connecting port
Outer diameter 1.3" (32)
Air flow direction
EN
FR
ES
16-EN