I) Wall Mounted Type (Fdk) - Mitsubishi Heavy Industries FDT28KXE6A Service Manual

(i) Wallmounted type (FDK)
①Before installation
●Install correctly according to the installation manual.
●Confirm the following points:
○Unit type/Power supply specification
Installation-related items
Mounting plate
Tapping screw
1 10
Attached to the backside of the indoor unit. For the mounting plate,
4mm (dia.) x 25mm (length)
②Selection of installation location for the indoor unit
① Select the suitable areas to install the unit under approval of the user.
・Areas where the indoor unit can deliver hot and cold wind sufficiently. Suggest to the user
to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on
the ceiling.
・Areas where there is enough space to install and service.
・Areas where it can be drained properly. Areas where drain pipe descending slope can be
taken.
・Areas where there is no obstruction of airflow on both air return grille and air supply port.
・Areas where fire alarm will not be accidentally activated by the air conditioner.
・Areas where the supply air does not short-circuit.
・Areas where it is not influenced by draft air.
・Areas not exposed to direct sunlight.
・Areas where dew point is lower than around 23°C and relative humidity is lower than 80%.
This indoor unit is tested under the condition of JIS (Japan Industrial Standard) high humid-
ity condition and confirmed there is no problem. However, there is some risk of condensa-
tion drop if the air conditioner is operated under the severer condition than mentioned
above.
・Areas where TV and radio stays away more than 1m. (It could cause jamming and noise.)
・Areas where any items which will be damaged by getting wet are not placed such as food,
table wares, server, or medical equipment under the unit.
・Areas where there is no influence by the heat which cookware generates.
・Areas where not exposed to oil mist, powder and/or steam directly such as above fryer.
・Areas where lighting device such as fluorescent light or incandescent light doesn't affect the
operation.
(A beam from lighting device sometimes affects the infrared receiver for the wireless remote
controller and the air conditioner might not work properly.)
②Check if the place where the air conditioner is installed can hold the weight of the unit. If it is
not able to hold, reinforce the structure with boards and beams strong enough to hold it. If the
strength is not enough, it could cause injury due to unit falling.
Space for installation and service
Over 50
ATTENTION
●Secure a working space for inspection and maintenance.
○Pipes/Wires/Small parts ○Accessory items
Insulation Strap
1 4
For heat insulation, 50mm x 160mm For wire clamp
Over 100
UNIT: mm
③Preparation before installation
Front view for installing position and installing space
Service space 50
3
5
7
4-12x18 oval hole
Installing plate
D
53.5
20 -5x17.5 oval hole
E
21
3
F
55
G
Symbol
A Gas piping
B Liquid piping
C Wall pulling hole for right rear piping
D Wall pulling hole for left rear piping
E Drain piping
F Outlet for wiring
G Outlet for piping
④Installation of indoor unit
ATTENTION
Haulage
●In carrying the unit into an installation site, carry it in the original
packaging to a point as close to the proposed installation site as
possible.
●When the unit needs to be unpacked during haulage due to a
compelling reason, wrap it with nylon slings or the like to prevent
possible damages.
Note: Do not hold the unit by the diffuser louver in carrying it.
●When the unit needs to be laid on a floor after unpacking, always lay
it with its front facing upward.
Installation of the mounting plate
ATTENTION
●This unit cannot be installed directly onto a wall surface. Regardless of the surface it is to be
installed onto, you should use the mounting plate supplied with the unit.
○Install it securely by spotting a structural member running underneath the wall (stud or the
like) and after ascertaining its levelness.
Level guide (2 places)
Level positioning mark
○The levelness of the mounting plate should be adjusted with the four fixing screws fastened
temporarily.
Datum hole
○Rotate the plate around the datum hole to achieve the levelness.
Hints for making a hole on a wall
Wall
Indoor Outdoor
65 mm
○Give a descending grade of 5°from the interior to the exterior.
163
- -
PHA012D033
Service space
1 3
4 6
450
8
50 50
Indoor unit
Hole for public corporation
19
25
9
B A
10
11
12
Symbol Type 22 - 56
693
1
284.2
2
73.5
3
-
4
-
5
-
6
207.5
7
182.5
8
63.5
9
533.5
10
603.5
11
515
12
5.3
13
-
14
220.5
15
47.5
16
-
17
-
18
0
19
2
20
259
21
B
Model Type 22 56
B Size
Wall
Sealing plate
Sleeve
UNIT: mm
100
C
Type 71
886
301.8
106
610
269
219
349
299
77
633.5
703.5
772
7.7
43
221.5
49.5
225
46
25
6
248
UNIT: mm
Type 71
450 450,610
Sleeve