Electrical Work - Toshiba Carrier MMDMMD-AP0120VHG2UL Installation, Operation And Maintenance Manual

SPECIAL INSTRUCTIONS—ELECTRICAL WORK

ELECTRICAL WORK

•Securely connect the specified wires so that the external tension does not affect the termi-
nal connectors.
Improper connection may cause an electric shock or a fire.
•Connect earth grounding wire.
Incomplete grounding will cause an electric shock.
Do not connect ground wires to gas pipes, water pipes, lightning rods, or the grounding wires of
telephone lines.
•Appliance shall be installed in accordance with national wiring regulations.
Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire.
• If wiring is incorrect or incomplete, it may cause an electrical fire.
• Install an earth leakage breaker that is not tripped by shock waves.
If an earth leakage breaker is not installed, an electric shock may occur.
• Use the cord clamps attached to the product.
• Do not damage or scratch the conductive core, power inner insulator, or inter connecting wires
When stripping them.
• Use the power cord and inter connecting wire of specified type and thickness, protective devices
required.
• Never connect 208-230V power to the terminal blocks (U1/U2, A/B, etc) for control wiring, or the
system will fail.
REQUIREMENT:

For power supply wiring, strictly conform to the Local Regulation for each country.

After connecting wires to the terminal blocks, provide a trap and secure wires with ca-
ble clamps.
Power supply wires and communication wires specifications
Power supply wires and communication wires are procured locally.
Follow to the table below for the power supply specifications. If capacity is small overheating or seizure
is likely.
For the power capacity of the outdoor unit and the power supply wires specifications, refer to the out-
door unit's installation manual.
Vertical air handling unit power supply

Make sure this indoor unit power supply is separated from that of the outdoor unit's power supply.

Arrange the power supply, earth leakage breaker, and main switch of this indoor unit so they are
connected to the same outdoor unit.
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WARNING
CAUTION
Page 32 of 60 MMD IOM 1.2 11-10-2020