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Universal Air Conditioning Unit
1 Explanation of Symbols and
Safety Instructions
This manual has safety information and instructions to help
you eliminate or reduce the risk of accidents and injuries.
1 .1
Recognize Safety Information
This is the safety alert symbol . It is used to alert
you to potential physical injury hazards. Obey all
safety messages that follow this symbol to avoid
possible injury or death.
1 .2 Understand Signal Words
A signal word will identify safety messages and property
damage messages, and also will indicate the degree or
level of hazard seriousness.
DANGER!
Indicates a hazardous situation that, if not avoided,
will result in death or serious injury.
WARNING
Indicates a hazardous situation that, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a hazardous situation that, if not avoided,
could result in minor or moderate injury.
NOTICE: Used to address practices not related to
physical injury.
I
Indicates additional information that is not related
to physical injury.
1 .3 Supplemental Directives
To reduce the risk of accidents and injuries, please
observe the following directives before proceeding to
operate or install this appliance:
• Read and follow all safety information and
instructions.
• Read and understand these instructions before
installing or operating this product.
EN
Explanation of Symbols and Safety Instructions
• The installation must comply with all applicable local
or national codes, including the latest edition of the
following standards:
U .S .A .
– ANSI/NFPA70, National Electrical Code (NEC)
– ANSI/NFPA 1192, Recreational Vehicles Code
– ANSI Z21.57, Recreational Vehicles Code
Canada
– CSA C22.1, Parts l & ll, Canadian Electrical Code
– CSA Z240 RV Series, Recreational Vehicles
1 .4 General Safety Messages
WARNING: ELECTRICAL SHOCK, FIRE, AND/
OR EXPLOSION HAZARD . Failure to obey the
following warnings could result in death or
serious injury:
• Use only Dometic replacement parts and
components that are specifically approved for use
with the appliance.
• This unit is a complex mechanical-electrical system
and must be installed by a professional installation
technician.
• Avoid improper installation, adjustment, alterations,
service, or maintenance of the appliance. Service
and maintenance must be done by a qualified service
person only.
• Do not modify this product in any way. Modification
can be extremely hazardous.
• Use care when diagnosing and/or adjusting
components on a powered unit.
WARNING: ELECTRICAL SHOCK HAZARD .
Failure to obey the following warnings could
result in death or serious injury:
• Ensure the electrical switches are in the Off position
before installing the unit.
• Lock-out and tag the switch with a suitable warning
label.
• Open the electrical disconnect switches before
connecting the unit to power.
• Before operating the unit, be certain it is properly
grounded.
3
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Table of Contents
Troubleshooting
