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1. Precaution
Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical
Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1.
The information contained in the manual is intended for use by a qualified service technician familiar with safety
procedures and equipped with the proper tools and test instruments.
Installation or repairs made by unqualified persons can result in hazards to you and others.
Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property
damage, personal injury, and/or death.
This service manual is only intended for the service engineer to use.
1.1 Safety Precaution
To prevent injury or damage to the user, other people, or property, the following instructions
must be followed.
Incorrect operation due to ignoring instructions may cause harm or damage.
Before servicing the unit, be sure to read this service manual first.
1.2 Warning
Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.
For electrical work, contact the dealer, seller, a qualified electrician, or an authorized service
center.
Always ground the product.
Install the panel and the cover of the control box securely.
Always install a dedicated circuit and breaker.
Use a properly rated breaker and fuse.
Do not modify or extend the power cable.
Do no install, remove, or reinstall the unit by yourself (customer).
Be cautious when unpacking and installing the product.
For installation, always contact the dealer or an authorized service center.
Do not install the product on a defective installation stand.
Be sure the installation does not deteriorate with age.
Do not let the air conditioner run for a long time when the humidity in the area is high or if a
door or window is left open.
Make sure that the power cable cannot be pulled out or damaged during operation.
Do not place anything on the power cable.
Do not plug or unplug the power supply plug during operation.
Do not touch or operate the product with wet hands.
Do not place a heater or other appliance near the power cable.
Do not allow water to run into electrical parts.
Do not store or use flammable gas or combustibles near the product.
Do not use the product in a tightly closed space for a long time. (oxygen deficiency)
When flammable gas leaks, turn off the gas and open a window for ventilation before turning
the product back on.
If strange sounds or smoke comes from the product, turn the breaker off or disconnect the
power supply cable.
Stop operation and close the window during storms or hurricanes.
Do not open the inlet grill of the product during operation.
Do not touch the electrostatic filter, if equipped.
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