Electrical Wiring - Hitachi CH-UNIT CH-4.0NE Manuel D'installation Et De Fonctionnement

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ELECTRICAL WIRING

CAUTION:
- Cover the end of the pipe if the pipe has to be inserted through a hole.
- Do not put pipes on the ground directly without a cap or vinyl tape at the end of the pipe.
- Remove all the flammable materials around the units. If not, it will cause a fire.
5. Evacuation and refrigerant charging procedures should be performed according to "Installation
and Operation Manual" of Outdoor unit – Chapter: "Piping and Refrigerant Charge".
6.
ELECTRICAL WIRING
WARNING:
- Turn OFF the main power switch to the CH unit, the indoor unit and the outdoor unit before
electrical wiring work or a periodical check is performed.
- Protect the wires, electrical parts, etc. from rats or other vermin.
- Check the item below before turning ON the main switch.
In case that the power source for indoor unit 240V (nominal voltage), change CN21 (connector)
to CN22 of transformer (TF1) in the electrical control box as shown below.
CAUTION:
- Wrap the accessory packing around the wires, and plug the wiring connection hole with the
seal material to protect the product from any condensate water or insects.
- Tightly secure the wires with the cord clamp inside the electrical box.
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