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English
5
CARRY OUT THE WORK GIVING CAUTION TO THE FOLLOWING ITEMS AND AFTER THE
WORK IS COMPLETED CHECK THESE AGAIN.
1.
Items to be checked after the installation work is completed
Make sure to recheck the items of “SAFETY PRECAUTIONS”.
2.
Items to be checked at delivery
Points of the operation explanation
Items to be checked
In case of defective
Check
column
Is the air conditioner rigidly fixed?
Drop · vibration · noise
Is the installation work of the air conditioner complete? Does not operate · burnout
Have you carried out a leakage test with the test
pressure specified in the outdoor unit installation
manual?
Does not cool / Does not heat
Is the insulation of refrigerant piping and drain piping
completely carried out?
Water leakage
Does the drain flow out smoothly?
Water leakage
Is the power supply voltage identical to that stated in
the manufacturer’s label on the air conditioner?
Does not operate · burnout
Are you sure that there is no wrong wiring nor piping
or no loose wiring?
Does not operate · burnout
Is earthing completed?
Danger in case of leakage
Are the sizes of electric wiring according to the spec-
ification?
Does not operate · burnout
Is any of air outlets or inlets of the air conditioner
blocked with obstacles?
(It may lead to capacity drop due to fan speed drop or
malfunction of equipment.)
Does not cool / Does not heat
Have you recorded the refrigerant piping length and
the refrigerant charge added?
Refrigerant charge amount is not
clear
Items to be checked
Check
column
Have you carried out field setting? (if necessary)
Are the control box cover, the air filter and the suction grille attached?
Does the cool air discharge during the cooling operation and the warm air discharge during
heating operation?
Have you explained how to operate the air conditioner showing the operation manual to the
customer?
Have you explained the description of cooling, heating, program dry and automatic (cooling/
heating) given in the operation manual to the customer?
If you set the fan speed at thermostat OFF, did you explain the set fan speed to the customer?
Have you handed the operation manual and the installation manual to the customer?
In addition to the general usage, since the items in the operation manual with the
WARNING and
CAUTION marks are likely to result in human bodily injuries and property damages, it is neces-
sary not only to explain these items to the customer but also to have the customer read them.
It is also necessary to explain the items of “NOT MALFUNCTION OF THE AIR CONDITIONER” to the
customer and have the customer read them carefully.
4PEN469441-1.book Page 5 Tuesday, March 21, 2017 1:49 PM