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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.
DO NOT
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 allow children to play with the air conditioner. Children should be supervised around the
unit at all times.
Installation must be performed by an authorized technician. Improper installation may cause
Installation must be performed according to installation instructions. Improper installation may
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 mainte-
nance of the unit.
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.
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 personal injury,
damage to the unit, or property damage.
This symbol indicates that you should NEVER perform the indicated action.
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Safety Precautions
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