English
5
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND
CHECK AFTER INSTALLATION IS FINISHED.
a. Items to be checked after completion of work
Check
If not properly done, what is likely to occur
Items to be checked
The unit may drop, vibrate or make noise.
Are the indoor unit and outdoor unit fixed
firmly?
The unit may malfunction or the components
burn out.
Is the outdoor unit fully installed?
It may result in insufficient cooling or heating.
Is the gas leak test finished?
Condensate water may drip.
Is the unit fully insulated? (Refrigerant piping,
drain piping)
Condensate water may drip.
Does drainage flow smoothly?
The unit may malfunction or the components
burn out.
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?
It may result in electric shock.
Is the unit safely grounded?
The unit may malfunction or the components
burn out.
Is wiring size according to specifications?
It may result in insufficient cooling or heating.
Is something blocking the air outlet or inlet
of either the indoor or outdoor units?
(This can lead to malfunction or decreased
performance due to decreased air volume.)
It may result in insufficient cooling or heating.
Does the cold air (warm air) blow properly
during the cooling (heating) operation?
The refrigerant charge in the system is not
clear.
Are refrigerant piping length and additional
refrigerant charge noted down?
It may result in insufficient cooling or heating.
Has the field setting done (as necessary)?
b. Items to be checked at time of delivery
* Also review the “1. SAFETY PRECAUTIONS”
Check
Items to be checked
Did you attach the control box lid, the air filter, and suction grille?
Did you explain about operations while showing the instruction manual to your customer?
Did you hand the instruction manual over to your customer?
Points for explanation about operations
The items with WARNING and CAUTION marks in the instruction 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 instruction manual.
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.
