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3. Selecting an installation site
•
Select a site with sturdy fixed surface sufficiently durable against the weight of
unit.
•
Before installing unit, the route of which 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 routed to the outside.
•
Select a site that allows the supply air to be fully distributed in room.
•
Do not install unit at a site with oil splashing or steam in much quantity.
•
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 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 tem-
perature/high humidity (due point above 26 °C [79 °F]), condensation may be
produced in the indoor unit. When operating the units in this condition, add
insulation material (10 - 20 mm [13/32 to 13/16 in.]) to the entire surface of the
indoor unit to avoid condensation.
4. Fixing hanging bolts
4.1
Fixing hanging bolts
[Fig. 4.1.1] (P.2)
A Center of gravity
(Give site of suspension strong structure.)
Center of gravity and product weight
Model name
PEFY-AF1200CFM
1338 [52-11/16]
PEFY-AF1200CFMR
1338 [52-11/16]
5. Installing the unit
5.1. Hanging the unit body
s s s s s Bring the indoor unit to an installation site as it is packed.
s s s s s To hang the indoor unit, use a lifting machine to lift and pass through the
hanging bolts.
[Fig. 5.1.1] (P.2)
A Unit
B Lifting machine
[Fig. 5.1.2] (P.2)
C Nuts (field supplied)
D Washers (accessory)
E M10 hanging bolt (field supplied)
All manuals and user guides at all-guides.com
W (mm [in.])
L (mm [in.])
1325 [52-3/16]
700 [27-9/16]
1325 [52-3/16]
3.1. 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.
3.2. 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 sufficient space. For the
efficient suspension work and safety, provide as much space as possible.
[Fig. 3.2.1] (P.2)
A Access door
C Air inlet
E Ceiling surface
1 800 mm [31-1/2 in.] or more
3 20 mm [13/16 in.] or more
3.3. Connecting indoor units with outdoor
units
For connecting indoor units with outdoor units, refer to the outdoor unit installation
manual.
Hanging structure
•
Ceiling: The ceiling structure varies from building to building. For detailed infor-
mation, 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 sup-
plied).
X (mm [in.])
Y (mm [in.])
675 [26-5/8]
730 [28-3/4]
675 [26-5/8]
5.2. Confirming the unit's position and
fixing hanging bolts
s s s s s Use the gauge supplied with the panel to confirm that the unit and hang-
ing bolts are positioned properly. If they are not positioned properly con-
densate may form due to air leaks. Be sure to check the position.
s s s s s Use a level to check that the surface indicated by A A A A A is at level. Ensure
that the hanging bolt nuts are tightened to fix the hanging bolts.
s s s s s 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 the drain port is in-
stalled higher, it may cause water leakage.
B Electrical parts box
D Air outlet
2 100 mm [3-15/16 in.] or more
Z (mm [in.])
Product Weight (kg [Ibs])
240 [9-1/2]
130 [287]
240 [9-1/2]
140 [309]
9
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