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Safety Precautions
mrcool.com
WARNING
Please read the manual in its entirety before installing, operating or repairing.
DO NOT share the electrical circuit with other appliances. Improper or insufficient power supply can
cause fire or electrical shock.
When connecting refrigerant piping,
DO NOT let substances or gases other than the refrigerant
enter the unit. 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 connect the ground wire to a gas pipe, water pipe, lightning arrester, or telephone wire.
DO NOT allow children to play with the air conditioner. Children should be supervised around the
unit at all times.
DO NOT alter the settings of the pressure sensor or other protective devices; if short-circuited or
modified, fire and/or an explosion could occur.
Installation must be performed by an authorized technician. Improper installation may cause water
leakage, electrical shock, or fire.
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.
The United States Protection Agency (”EPA”) has issued various regulations regarding the introduction
and disposal of refrigerants introduced into this unit. Failure to follow these regulations may harm the
environment and can lead to substantial fine. These regulations may vary due to the passage of laws.
A certified technician must perform the installation and service of this product. Should questions
arise, contact your local EPA office.
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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