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Safety Precautions
mrcool.com
WARNING
DO NOT modify the length of the power supply cord or use an extension cord to power the unit. Only
use the specified power cord. If the power cord is damaged, it must be replaced by the manufacturer,
its service agent or similarly qualified person in order to avoid a hazard.
DO NOT share the electrical circuit with other appliances. Improper or insufficient power supply can
cause fire or electrical shock.
DO NOT let substances or gases other than the refrigerant enter the unit when connecting refrigerant
piping. The presence of other gases or substances will lower the unit’s capacity, and may cause
abnormally high pressure in the operation cycle. This may cause explosion and injury.
DO NOT allow children to play with the air conditioner. Children should be supervised around the unit
at all times.
DO NOT turn on power until all work/installation has been completed.
Installation must be performed by an authorized technician. Improper installation may cause water
leakage, electrical shock, or fire. The moving and relocation of the unit also requires consulting an
authorized technician for the disconnection and re-installation steps.
Installation must be performed according to installation instructions. Improper installation may cause
water leakage, electrical shock, or fire.
In North America, installation must be performed in accordance with the requirement of NEC and CEC
(by authorized personnel only.) Contact an authorized service technician for repair or maintenance of
the unit.
Only use the included accessories and specified parts for installation. Using non-standard parts can
cause water leakage, electrical shock, or fire and may cause the unit to fail.
Install the unit in a firm location that can support the unit’s weight. If the installation location cannot
support the weight, or the installation is performed improperly, the unit may fall and cause serious
injury and/or damage.
For all electrical work, follow all appropriate wiring standards, regulations, and the Installation Manual.
Read Before Installation
Incorrect installation may cause serious damage or injury.
The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION.
WARNING
CAUTION
This symbol indicates ignoring instructions may cause death or serious injury.
This symbol indicates that ignoring instructions may cause moderate injury
to your person, damage to your unit, or other property.
This symbol indicates that you should never perform the indicated action.
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Safety Precautions
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