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Things to check after completing the installation
4. Check the following after the installation is completed.
Outdoor unit
Installation work
Indoor unit
Refrigerant pipe work
Drain pipe work
Electrical wiring work
Setting address
Option
Have you checked the external surface and the inside of the outdoor unit?
Is there any possibility of short-circuit caused by the heat of an outdoor unit?
Is the place well-ventilated and ensures space for service?
Is the outdoor unit fixed securely to withstand any external force?
Have you checked the external surface and the inside of the indoor unit?
Is there enough space for service?
Have you checked if the center of the indoor unit is ensured and it is installed
horizontally?
Have you selected correct pipes?
Are the liquid and gas valve open?
Is the total number of connected indoor units within the allowable range?
Are the length and the height difference between the refrigerant pipes
within the allowable range?
Are the branch joints properly installed?
Did you check the connection of liquid and gas pipes?
Have you selected correct insulator for pipes and insulated them correctly?
DId you insulate the pipes and connection part correctly?
Is the quantity of the additional refrigerant correctly weighed in? (You must
record the amount of additional refrigerant on the service record paper
placed inside of the outdoor unit.)
Have you checked if the drain pipes of the indoor and outdoor unit are
connected together?
Have you completed the drain test?
Is the drain pipe properly insulated?
Are the power cable and communication cable tightened firmly on the
terminal board within the range of rated tightening torque?
Have you checked for cross-connection of the power and communication
cables?
Have you performed the earthing work 3 to the outdoor unit?
Did you make sure to use 2-core cable (not multi-core cable) for the
communication cable?
Is the length of the wire within allowed range?
Is the wiring route correct?
Did you set the address of the indoor and outdoor units properly?
Did you set the address of the indoor and outdoor units properly? (When
using multiple remote controllers)
If there is a possibility of the outdoor unit from vibrating, check whether the
anti-vibration frame is correctly installed.
ENGLISH-108
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