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2.
BEFORE INSTALLATION
WARNING
•
Entrust installation to the place of purchase or a qualifi ed
serviceman. Improper installation could lead to leaks and, in
worse cases, electric shock or fi re.
•
Use of unspecifi ed parts could lead to the unit falling, leaks
and, in worse cases, electric shock or fi re.
NOTE
•
Be sure to read this manual before installing the indoor unit.
•
Be sure to mount an air fi lter (part to be procured in the
fi eld) in the suction air passage in order to prevent water
leaking, etc.
The accessories needed for installation must be retained
in your custody until the installation work is completed.
Do not discard them.
1.
Decide upon a line of transport.
2.
Leave the unit inside its packaging while moving, until
reaching the installation site. Where unpacking is unavoid-
able, use a sling of soft material or protective plates togeth-
er with a rope when lifting, to avoid damage or scratches to
the unit.
Be sure to check the type of R410A refrigerant to be used
before installing the unit.
(Using an incorrect refrigerant will prevent normal opera-
tion of the unit.)
For the installation of an outdoor unit, refer to the installation
manual attached to the outdoor unit.
2-1
PRECAUTIONS
•
Be sure to instruct customers how to properly operate the
unit (operating different functions, and adjusting the tem-
perature) by having them carry out operations themselves
while looking at the operation manual.
•
Do not install in locations where the air contains high levels of
salt such as that near the ocean and where voltage fl uctuates
greatly such as that in factories, or in vehicles or vessels.
2-2
ACCESSORIES
Check the following accessories are included with your unit.
Clamp
Name
Insulation tube
material (1)
Quantity
4 pcs.
Shape
Small (2)
2 pcs.
2-3
OPTIONAL ACCESSORIES
•
This indoor unit requires one of the operation remote con-
trols listed below.
Remote controller
Wired type
Wireless type
3
1 set
(Other)
•
Operation manual
•
Installation manual
Large (3)
2 pcs.
BRC1E71, BRC1D71
BRC4C82
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE
DURING CONSTRUCTION AND CHECK AFTER
INSTALLATION IS FINISHED.
a. Items to be checked after completion of work
If not properly done, what is
Items to be checked
likely to occur
Are the indoor and outdoor
The units may drop, vibrate
units fi xed fi rmly?
or make noise.
Is the refrigerant leak test
It may result in insuffi cient
fi nished?
cooling.
Is the unit fully insulated?
Condensate may drip.
Does drainage fl ow smoothly? Condensate may drip.
Does the power supply
The unit may malfunction or
voltage correspond to that
the components burn out.
shown on the name plate?
Are wiring and piping
The unit may malfunction or
correct?
the components burn out.
Incomplete grounding may
Is the unit safely grounded?
result in electric shocks.
Is wiring size according to
The unit may malfunction or
specifi cations?
the components burn out.
Is something blocking the air
It may result in insuffi cient
outlet or inlet of either the
cooling.
indoor or outdoor units?
Are refrigerant piping length
The refrigerant charge in
and additional refrigerant
the system is not clear.
charge noted down?
Also review the "SAFETY CONSIDERATIONS".
b. Items to be checked at time of delivery
Items to be checked
Did you explain about operations while showing the
operation manual to your customer?
Did you hand the operation manual and warranty over to
your customer?
Did you explain to your customer how to maintain and
clean local procurements such as the air fi lter, suction
grille, and air outlet grille?
Did you hand manuals of local procurements (in case
equipped) over to your customer?
3.
SELECTING INSTALLATION SITE
CAUTION
•
If you think the humidity inside the installation space might
exceed 86°F and RH80%, reinforce the insulation on the
unit body.
Use glass wool or polyethylene foam as insulation so that
the thickness is more than 2 in. and fi ts inside the installation
space opening.
(1)
Select an installation site where the following conditions
are fulfi lled and that meets with your customer's approval.
•
Where optimum air distribution can be ensured.
•
Where nothing blocks air passage.
•
Where condensate can be properly drained.
•
Where the supports are strong enough to bear the
indoor unit weight.
•
Where the false ceiling is not noticeably on an incline.
•
Where suffi cient clearance for maintenance and service
can be ensured. (Refer to Fig. 1-1 and Fig. 1-2)
Check
Check
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