Securing Installation And Service Space; Combining Indoor Units With Outdoor Units; Fixing Hanging Bolts; Installing The Unit - Mitsubishi Electric CITY MULTI PEFY-P140VMHS-E Installation Manual

• Do not install unit at a site where fire detector 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.)
• If the unit is run for long hours when the air above the ceiling is at high tempera-
ture/ high humidity (due point above 26 °C), due condensation may be produced
in the indoor unit. When operating the units in this condition, add insulation mate-
rial (10-20 mm) to the entire surface of the indoor unit to avoid due condensation.
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 inju-
ries.

3.1. Securing installation and service space

Refrigerant piping, drain piping, wiring, and other components should be installed
outside the areas, and free of the access doors to ensure that they do not
hinder fan maintenance.

4. Fixing hanging bolts

4.1. Fixing hanging bolts
(Give site of suspension strong structure.)
Hanging structure
• Ceiling: The ceiling structure varies from building to one another. For detailed
information, consult your construction company.
• If necessary, reinforce the hanging bolts with anti-quake supporting members as
countermeasures against earthquakes.
* Use M10 for hanging bolts and anti-quake supporting members (field supply).
1 Reinforcing the ceiling with additional members (edge beam, etc.) must be
required to keep the ceiling at level and to prevent the ceiling from vibrations.
2 Cut and remove the ceiling members.
3 Reinforce the ceiling members, and add other members for fixing the ceiling
boards.

5. Installing the unit

5.1. Hanging the unit body

Bring the indoor unit to an installation site as it is packed.
To hang the indoor unit, use a lifting machine to lift and pass through the
hanging bolts.
[Fig. 5.1.1] (P.3)
A Unit body
B Lifting machine
[Fig. 5.1.2] (P.3)
C Nuts (field supply)
D Washers
E M10 hanging bolt (field supply)
[Fig. 3.1.1] (P.2)
A Electrical components case
B Duct dimension
Note:
Always install access doors in the specified positions for service mainteance.
Warning:
Install the unit on a ceiling strong enough to support its weight.
• If the unit is mounted on a structure of insufficient strength it may fall
causing injury.
[Fig. 3.1.2] (P.2)
B Duct dimension
D Top of unit
F Servicing space
H Hanging bolt spacing
J More than 100

3.2. Combining indoor units with outdoor units

For combining indoor units with outdoor units, refer to the outdoor unit installation
manual.
[Fig. 4.1.1] (P.3)
A Center of gravity
Center of gravity and Product Weight
W L
Model name
(mm) (mm)
PEFY-P40VMHS-E 814 754
PEFY-P50VMHS-E 814 754
PEFY-P63VMHS-E 814 754
PEFY-P71VMHS-E 814 1039
PEFY-P80VMHS-E 814 1039
PEFY-P100VMHS-E 814 1204
PEFY-P125VMHS-E 814 1204
PEFY-P140VMHS-E 814 1204
5.2. Confirming the unit's position and fixing hanging
bolts
Ensure that the hanging bolt nuts are tightened to fix the hanging bolts.
To ensure that drain is discharged, be sure to hang the unit at level using
a level.
Caution:
Install the unit in horizontal position. If the side with drain port is installed
higher, water leakage may be caused.
C Air inlet
E Access door
G Air outlet
I Ceiling
K More than 20
H X Y Z Product
(mm) (mm) (mm) (mm) Weight (kg)
210 374 440 190 35
210 374 440 190 35
210 374 440 190 35
210 364 548 190 45
210 364 548 190 45
210 364 649 190 51
210 364 649 190 51
210 364 649 190 53
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