Electrical work
Safety information on outdoor unit power supply
ffPower cable must be hard chloroprene synthetic rubber or better, which is certified with safety certification (60245 KS IEC 66).
Type of outdoor unit power supply
ffComply with tightening torque to make sure that the screws do not get loose.
Screw | Torque | ||
|
| ||
kgf•cm | N•m | ||
| |||
|
|
| |
M4 | 25~40 | 2.5~4.0 | |
|
|
| |
Outdoor unit
Communication 
cable 
Cable clamp
Indoor/outdoor unit 
communication cable
Electrical parts (Power part)
L | N | Cabinet panel |
Earth |
|
| OFF |
Earth |
|
Cable clamp | Earth |
| |
Power cable |
|
Indoor/outdoor unit power cable
ffBefore connecting, compressed part of the terminal should face upward.
•The figure of an outdoor unit may be different depending on models.
Installed back to | Compressed part | Ring terminal is |
front. | is cut. | detached. |
ffAfter tightening, there should be no gap between a terminal and a screw.
Terminal is tightened | A screw is not tightened firmly |
back to front. | or there is a gap between a |
| screw and ring terminal. |
• When connecting the cables to the outdoor unit, reversing the connection of power and communication cable
CAUTION | or connecting the earth wire incorrectly, electric leakage or product malfunction may occur. |
|
•Do not cut or modify the supplied cable and install it.
•There is no front and back for the communication cable, so it can be switched.
•Use solderless ring terminal to connect the power cable to the power terminal block. If you connect stranded or solid wires without solderless ring terminal, heat may generate from the connected part and cause fire.
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