Specifications

EDUS39-900A-F4 Installation
FXMQ-P 25
1. OPTIONAL ACCESSORIES
• These is one type of remote controller: wired.
• If you wish to use a remote controller that is different from
the above, select a suitable remote controller after
consulting catalogs and technical materials.
FOR THE FOLLOWING ITEMS, TAKE SPECIAL
CARE DURING CONSTRUCTION AND CHECK
AFTER INSTALLATION IS FINISHED.
a. Items to be checked after completion of work
Also review the “SAFETY CONSIDERATIONS”.
b. Items to be checked at time of delivery
c. Points for explanation about operations
1-1 NOTE TO INSTALLER
• Be sure to instruct customers how to properly operate the
unit (especially cleaning filters, operating different
functions, and adjusting the temperature) by having them
carry out operations themselves while looking at the
manual.
2. SELECTING INSTALLATION SITE
<Hold the hanging brackets in the case of moving the
indoor and outdoor units at the time of and after opening
the packages. Do not impose undue force on other parts,
such as the refrigerant piping, drain piping, or flanges, in
particular.>
<Add heat insulation material to the indoor unit if the tem-
perature above the ceiling is likely to exceed 86°F and a
relative humidity of 80%.>
<Make sure that the insulation material is made of glass
wool or polyethylene foam, has a minimum thickness of
3/8 in., and can be accommodated in the opening on the
ceiling.>
Items to be checked
If not properly done, what is
likely to occur.
Check
Are the indoor and outdoor
unit fixed firmly?
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 finished? No cooling or heating.
Is the unit fully insulated?
(Refrigerant piping, drain
piping, and duct)
Condensate water may drip.
Dose drainage flow
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
properly grounded?
Dangerous in case of
current leakage.
Is wiring size according to
specifications?
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 fire.
Items to be checked Check
Are you sure the control box lid, air filter, air inlet grille, and
air outlet grille are mounted?
Did you explain about operations while showing the opera-
tion manual to your customer?
Did you deliver the operation manual along with the instal-
lation manual to the customer?
Did you explain the customer the handling and cleaning
methods of the field supplies (e.g., the air filter, air inlet
grilles, and air outlet grille)?
Did you deliver instruction manual, if any, for the field sup-
plies to the customer?
The items with WARNING and CAUTION marks in the opera-
tion manual are the items pertaining to possibilities for bodily injury
and material damage in addition to the general usage of the prod-
uct. Accordingly, it is necessary that you make a full explanation
about the described contents and also ask your customers to read
the operation manual.