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FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND
CHECK AFTER INSTALLATION IS FINISHED.
1. Items to be checked after completion of work
2. Items to be checked at time of delivery
* Also review the “SAFETY CONSIDERATIONS”
2-3 NOTE TO THE 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.
3. SELECTING INSTALLATION SITE
(1) Select an installation site where the following conditions are fulfilled and that meets with your
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 sufficient 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.
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.
Is the gas leak test finished?
It may result in insufficient cooling.
Is the unit fully insulated?
Condensate water may drip.
Does drainage flow 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 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?
It may result in insufficient cooling.
Are refrigerant piping length and additional
refrigerant charge noted down?
The refrigerant charge in the system is not
clear.
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?
01_EN_3PN07521-1.fm Page 5 Monday, June 19, 2006 5:05 PM
