NOTICE
All Wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS.
These instructions do not cover all variations for every kind of installation circumstance. Should further
information be desired or should particular problems occur, the matter should be referred to your local
distributor.
WARNING
BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAI-
LURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT
MALFUNCTION AND/OR PROPERTY DAMAGE.
(1) Preparation of indoor unit
Before or during the installation of the unit, assemble necessary optional panel etc. depending
on the specific type.
(2) Select places for installation satisfying following conditions and at the same time obtain
the consent on the part of your client user.
(a) Places where chilled or heated air circulates freely.
When the installation height exceeds 3m warmed air stays close to the ceiling. In such cases,
suggest your client users to install air circulators.
(b) Places where perfect drainage can be prepared and sufficient drainage.
(c) Places free from air disturbances to the suction port and blowout hole of the indoor unit,
places where the fire alarm may not malfunction or short-circuit.
(d) Places with the environmental dew-point temperature is lower than 28 and the relative
humidity is less than 80%. (When installing at a place under a high humidity environment, pay
sufficient attention to the prevention of dewing such as thermal insulation of the unit.)
(e) Ceiling height shall have the following height.
(3) Avoid installation and use at those places listed(a) Places exposed to oil splashes or steam (e.g. kitchens and machine plants).
Installation and use at such places incur deteriorations in the performance or corrosion with
the heat exchanger or damage in molded synthetic resin parts.
(b) Places where corrosive gas (such as sulfurous acid gas) or inflammable gas (thinner,
gasoline, etc) in generated or remains. Installation and use at such places cause corrosion
in the heat exchanger and damage in molded synthetic resin parts.
(c) Places adjacent to equipment generating electromagnetic waves or high-frequency waves
such as in hospitals. Generated noise may cause malfunctioning of the controller.
Combination
with silent
panel
416mm
366mm
50 or more
Obstacle
100 or
more
100 or
more
1000 or more
Unit: mm
Installation space
36,42 series
14,18,24,28 series
(4) Preparation for suspending the unit
(a) Size of hole at ceiling and position of hanging bolts
<Combination with silent panel>
57
A
B
C
(Hanging bolt position)
(Ceiling hole size)
(Panel dimensions)
137
30
30
(Ceiling ~ panel
wrap dimensions)
(Ceiling ~ panel
wrap dimensions)
(Hanging bolt position)
(Ceiling hole size)
(Panel dimensions)
75
545
690
750
70
(Pipe co-
nnection side)
(b) Hanger bolts installation
Use care of the piping direction when the unit is
Dimensions
A
Unit: mm
B C
1406 1600
1660
986 1180
1240
Model
36,42 series
14,18,24,28 series
Hanging bolt M10
Hole-in anchor
Hole-in plug
Insert
Concrete
installed.
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