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Wiring
Two electronic cables must be connected to the outdoor unit.
The connection cord between indoor unit and outdoor unit.
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 impendance to ensure compliance.
During the unit installation make first refrigerant connections and then electrical connections. If unit is
uninstalled first disconnect electrical cables, then refrigerant connections.
CAUTION
Connect the Air to water heat pump to grounding system before performing the electrical connection.
When installing the unit, you shouldn't use inter connection wire.
Example of EHS system
When using ELB/ELCB for 1 phase (220-240V~)
MCCB
1Ø
or
ELCB
1Ø
Grounding
1Ø
Grounding
When using ELB/ELCB for 3 phase 4 wires (380-415V~)
MCCB
3Ø
Grounding
1Ø
Grounding
❋ If an outdoor unit is installed in a place in danger of an electric leak or submergence, you must install the ELB/ELCB.
❋ Installation of control kit must be followed its Installation manual.
28
ELB
Outdoor Unit
ELB
or
Outdoor Unit
ELCB
3Ø
Power cable (1Ø)
Communication cable
Control kit
Communication cable
Control kit
Power cable
Communication cable
ELCB(30A)
Power cable
Communication cable
ELCB(30A)
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