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Precautions for Safety
• Read these "Precautions for Safety" carefully before installation.
• The precautions described below include important items regarding safety. Observe them without fail.
• After the installation work, perform a trial operation to check for any problem. Follow the Owner's
Manual to explain how to use and maintain the unit to the customer. Ask the customer to keep this
Installation Manual together with the Owner's Manual.
• Ask an authorized dealer or qualified installation professional to install or reinstall the relay
interface.
Improper installation may result in electric shock or fire.
• Turn off the main power supply switch or breaker before attempting any electrical work.
Make sure all power switches are off. Failure to do so may cause electric shock.
• Perform installation work properly according to this Installation Manual.
Improper installation may result in electric shock or fire.
• Do not modify the unit.
Any modification may cause a malfunction, resulting in overheating or fire.
• Perform wiring correctly in accordance with specified the current capacity.
Failure to do so may result in short-circuiting, overheating, or fire.
• Connect the specified cables for the terminals securely to prevent external forces from
affecting them.
Failure to do so may result in disconnection, overheating, or fire.
WARNING
CAUTION
1
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