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English 4
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE
DURING CONSTRUCTION AND CHECK AFTER
INSTALLATION IS FINISHED.
a. Items to be checked after completion of work
Items to be checked
If not properly done, what is
likely to occur.
Check
Are the indoor and outdoor
unit fi xed fi rmly?
The units may drop, vibrate
or make noise.
Was the installation of the
outdoor unit completed?
The unit may malfunction or
the components burn out.
Is the gas leak test fi nished? No cooling or heating.
Is the unit fully insulated?
(Refrigerant piping, drain
piping, and duct)
Condensate water may drip.
Dose drainage fl ow
smoothly?
Condensate water may drip.
Does the power supply
voltage conform to the
indication on the name
plate?
The unit may malfunction or
the components burn out.
Are wiring and piping
correct?
The unit may malfunction or
the components burn out.
Is the air conditioner or heat
pump properly grounded?
Dangerous in case of
current leakage.
Is wiring size according to
specifi cations?
The unit may malfunction or
the components burn out.
Is something blocking the air
outlet or inlet of either the
indoor or outdoor units?
No cooling or heating.
Did you set the external
static pressure?
No cooling or heating.
Are refrigerant piping length
and additional refrigerant
charge noted down?
The refrigerant charge in
the system is not clear.
Did you check that no wiring
connection screws were
loose?
Electric shock or fi re.
Also review the “SAFETY CONSIDERATIONS”.
b. Items to be checked at the time of delivery
Items to be checked Check
Are you sure the control box lid, air fi lter, air inlet grille,
and air outlet grille are mounted?
Did you explain about operations while showing the
operation manual to your customer?
Did you deliver the operation manual along with the
installation manual to the customer?
Did you explain the customer the handling and cleaning
methods of the fi eld supplies (e.g., the air fi lter, air inlet
grilles, and air outlet grille)?
Did you deliver instruction manual, if any, for the fi eld
supplies to the customer?
c. Points for explanation about operations
The items with WARNING and CAUTION marks in the
operation manual are the items pertaining to possibilities for bodily
injury and material damage in addition to the general usage of the
product. Accordingly, it is necessary that you make a full explanation
about the described contents and also ask your customers to read
the operation manual.
SELECTING INSTALLATION SITE3.
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.
Select an installation site where the following conditions
(1)
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)
Where piping between indoor and outdoor units is •
possible within the allowable limit. (Refer to the installa-
tion manual for the outdoor unit.)
If the a return-air duct is not installed, carefully select •
the place and method of product installation so that air
fl ow into the product will not be blocked.
If installed vertically
24 or more
(unit : in.)
(Top view)
H
(Front view)
Air outlet
Air inlet
Fig. 1-1
01_EN_3P250363-4E.indd 401_EN_3P250363-4E.indd 4 6/9/2016 4:56:42 PM6/9/2016 4:56:42 PM
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