Specifications
EDUS281104 Installation of indoor unit
Installation of indoor / outdoor unit 133
3PN07521-2C
5 English
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND
CHECK AFTER INSTALLATION IS FINISHED.
Items1. 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.
Is the gas leak test fi nished? It may result in insuffi cient cooling.
Is the unit fully insulated? Condensate water may drip.
Does drainage fl ow smoothly? Condensate water may drip.
Does the power supply voltage correspond
to that shown 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 unit safely grounded? It may be dangerous at electric 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?
It may result in insuffi cient cooling.
Are refrigerant piping length and additional
refrigerant charge noted down?
The refrigerant charge in the system is not
clear.
Items to be checked at time of delivery2.
* Also review the “SAFETY CONSIDERATIONS”
Items to be checked Check
Did you explain about operations while showing the operation manual to your customer?
Did you hand the operation manual over to your customer?
NOTE TO THE INSTALLER2-3
Be sure to instruct customers how to properly operate the unit (especially cleaning fi lters, operating differ-
ent functions, and adjusting the temperature) by having them carry out operations themselves while looking
at the manual.
SELECTING INSTALLATION SITE3.
Select an installation site where the following conditions are fulfi lled and that meets with your (1)
customer's approval.
In the upper space (including the back of the ceiling) of the indoor unit where there is no possible •
dripping of water from the refrigerant pipe, drain pipe, water pipe, etc.
Where the wall is strong enough to bear the indoor unit weight. •
Where suffi cient clearance for installation and maintenance can be ensured. •
(Refer to Fig. 1 and Fig. 2)
Where optimum air distribution can be ensured. •
Where nothing blocks the air passage. •
Where condensate can be properly drained. •