Mitsubishi PEH series, User Manual

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INSTALLATION
1 1
1 1 1 . Indoor unit
1 1 1 1 1
-1. Accessory
The unit is provided with the following accessory:
1 1
1 1 1 -2. Selecting an installation site
• Select a site with sturdy fixed surface sufficiently durable against the weight of
unit.
• Before installing unit, the routing to carry in unit to the installation site should
be determined.
• Select a site where the unit is not affected by entering air.
• Select a site where the flow of supply and return air is not blocked.
• Select a site where refrigerant piping can easily be led to the outside.
• Select a site which allows the supply air to be distributed fully in room.
• Do not install unit at a site with oil splashing or steam is produced much quan-
tity.
• Do not install unit at a site where combustible gas may generate, flow in, stag-
nate or leak.
• Do not install unit at a site where equipment generating high frequency waves
(a high frequency wave welder for example) is provided.
• Do not install unit at a site where fire detecter is located at the supply air side.
(Fire detector may operate erroneously due to the heated air supplied during
heating operation.)
• When special chemical product may scatter around such as site chemical plants
and hospitals, full investigation is required before installing unit. (The plastic
components may be damaged depending on the chemical product applied.)
1 1 1 1 1 -2.1. Install the indoor unit on a ceiling strong
enough to sustain its weight
Warning:
The unit must be securely installed on a structure that can sustain its weight.
If the unit is mounted on an unstable structure, it may fall down causing
injuries.
1 1 1 1 1
-2.2. Securing installation and service space
• Select the optimum direction of supply airflow according to the configuration of
the room and the installation position.
• As the piping and wiring are connected at the bottom and side surfaces, and
the maintenance is made at the same surfaces, allow a sufficient space. For
the efficient suspension work and safety, provide as much space as possible.
Service space
[Fig. 1 1 1 1 1 -1.0.1]
A
B
B
A Air outlet
B Remote controller
(accessary)
1
2
3
D
B
200
530
131
200
199
32
20 PEH-7,8 1240
PEH-10 1440
PEH-7,8 1280
PEH-10 1480
PEH-7,8 1880
PEH-10 2080
20
200 400
730
75
25
928
428
500
A
B
C
1
When connecting air inlet
2
When installing the suspension fixtures prior to installation of the in-
door unit without inlet duct and outlet duct
3
When hanging the indoor unit directly without inlet duct and outlet duct
A
Service space
B
Suspension bolt pitch
C Air inlet D Air outlet
[Fig.
1 1
1 1 1 -2.2.1]
X Y Z
PEH-7,8 1240 1280 1880
PEH-10 1440 1480 2080
Suspension bolt pitch
C
B
B
F
G H
D
E
I
PEH-7,8 1380
PEH-10 1580
PEH-7,8 1280
PEH-10 1480
20
199
200
562
131
32
E
Top of the unit
F 4-ø12 suspension bolt
holes
G Control box
H
Drain pan
I
Main body
[Fig.
1 1 1 1 1
-2.2.2]
X Y
PEH-7,8 1380 1280
PEH-10 1580 1480
1 1 1 1 1 -2.3. Combining indoor units with outdoor units
For combining indoor units with outdoor units, refer to the outdoor unit installation
manual.