Mitsubishi Electric TRANE NTXAMT12A112AA Manuel D'installation page 37

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13. Electrical wiring

WARNING

Electrical work should be done by a qualified electrical contractor in accordance with "Engineering

Standards for Electrical Installation" and supplied installation manuals. If the power circuit lacks capacity

or has an installation failure, it may cause a risk of electrical shock or fire.

• Be sure to follow local and national code requirements when wiring these units.

• Install the unit in a manner to prevent that any of the control circuit cables (remote controller,

transmission cables) are brought in direct contact with the power cable outside the unit.

• Ensure that there is no tension on any wire connections.

• Some cables (power, remote controller or transmission) above the ceiling may become damaged by

accident or by animals. Use conduit as much as possible to prevent damage.

• Never connect the power cable to leads for the transmission cables. The cables will break.

• Be sure to connect control cables to the indoor unit, remote controller and the outdoor unit.

• Perform wiring in compliance with the safety regulations detailed in UL 1995.

• Be sure to install an earth leakage breaker to the power.

• Install the unit in a way that prevents any of the control circuit cables (remote controller, transmission

cables) that are brought in direct contact with the power cable outside the unit.

• Ensure that there is no slack on all wire connections.

CAUTION

Be sure to ground the unit. Do not connect the grounding cable to any gas pipe, water pipe, lightening rod,

or telephone earth cable. Incomplete grounding may cause a risk of electrical shock. If the supply cord is

damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order

to avoid a hazard.

External I/O specifications

CAUTION

Wiring should be covered by insulation tube with supplementary insulation.

Use relays or switches with IEC or equivalent standard.

The electric strength between accessible parts and control circuit should have 2750 V or more.

Wiring

Specifications are subject to change without notice.

NTXAMT12, 18, 24, 30, 36A112AA