Technical data
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3
Wiring works
Ê Two electronic cables must be connected to the outdoor unit.
• One is the connection cord between indoor unit and outdoor unit.
• Another is the power cable between outdoor unit and auxiliary circuit breaker.
• Specially for Russian and European market, before installation, the supply authority should be consulted to
determine the supply system impedance to ensure compliance.
J If an outdoor unit is installed in a place in danger of an electric leak or submergence, you must install the ELB.
3-1. Power supply and communication cable configuration
X During the unit installation make first refrigerant connections and then electrical connections. If unit is uninstalled
first disconnect electrical cables, then refrigerant connections.
X Connect the air conditioner to grounding system before performing the electrical connection.
X When installing the unit, you shouldn't use inter connection wire.
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Caution
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1) When using ELB for 1 phase
2) When using ELB for 3 phase
Outdoor Unit
Outdoor Unit
Indoor Unit
Indoor Unit
Communication cable
Communication cable
Power cable
Power cable
Grounding
Grounding
Power cable
Communication cable
Power cable
Communication cable