4
(1). The primary step
s
for installing the indoor unit.
◆
When attaching the mounting bracket onto the threaded rod, use the appropriate bolts and
washers capable of supporting the weight of the chassis. The use of field supplied mounting cleats
to supplement the chassis mounting brackets will provide additional support and prevent possible
damage or breakage of the washers.
(2). Use
the
cardboard
template
.
◆
Please refer to the installation cardboard
template
for
the dimension
s
of
the
ceiling opening.
◆
The central mark of the ceiling opening is marked on the installation cardboard.
◆
Install the
cardboard template
on the unit
with
bolts (
three
), and
check
the angle of the
condensate outlet.
(3).
Mount the unit to the previously installed threaded mounting rod.
(Refer to Fig.
2 above.
)
(4).
The unit must be level to operate correctly and to prevent water damage to ceiling and
surroundings.
◆
Condensate
pump and float switch are included in the indoor unit
.
(5).
Slide
out the gasket anchor board used to prevent
the
gasket from breaking off and tighten
the
nut on it.
(6).
Remove the template
.
Nut
(
field-supplied
)
Washer
(
accessory
)
Washer
anchor board
(
attachment)
Bolt of one of the angle
s
of outlet pipe is
secured
on the angle of the drainage
slot
Bolt(
accessory
)
Water leve
l
Polyethylene pipe
Center of the ceiling
opening
Insert
Install cardboard
Mounting bracket
Tighten
(
locking
nuts)
[
Securely tighten all hardware
]
[
Secure
the
washer
firmly]
Bolt
(
accessory
)
[
Secure
the install
ation
cardboard]
Fig.
4
2.6
Refrigerant Piping Connections
◆
When connecting piping to the unit or removing from the unit, please use both a back-up
wrench and torque wrench (as shown in Fig.5 below).
2.5 Installation of Cassette Chassis
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