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Universal Air Conditioning Unit
6 Installation
WARNING: HEALTH HAZARD . Failure to
obey these warnings could result in death or
serious injury .
• The installer must prevent toxic fumes from entering
the conditioned space. Consideration should be
given to installing a P-trap in the condensate drain
lines(s) so that normal discharge of condensate can fill
the trap and prevent the ingress of carbon monoxide
(CO) or other potentially harmful vapors.
• Ensure that the selected location is sealed from direct
access to harmful vapors.
• Do not terminate the condensate drain line within
3 ft (1 m) of any outlet of engine or generator exhaust
systems or in a compartment housing an engine or
generator.
WARNING: ELECTRICAL SHOCK/FIRE
HAZARD . Failure to obey these warnings
could result in death or serious injury .
• Disconnect the voltage at the main panel or power
source before opening any cover.
• Disconnect all power before wiring the unit.
• Upon installation, effectively ground the unit.
• Do not use gas piping as an electrical ground.
• The unit cabinet must have an uninterrupted,
unbroken electrical ground to minimize the possibility
of personal injury if an electrical fault should occur.
• Wiring must conform with NEC or CEC and all local
electrical codes.
• Use the proper sized wires. Be sure they are not
undersized.
• Use copper stranded conductors when wiring the
unit.
CAUTION: HEALTH HAZARD .
United States federal law prohibits the intentional
release of refrigerant gas into the environment,
including the R-410A refrigerant used in this air
conditioning system. Special care must be taken
when installing, charging, and servicing Dometic
equipment to prevent any loss of refrigerant.
Failure to obey this caution could result in minor or
moderate injury.
EN
NOTICE: This product contains R-410A fluorinated
greenhouse gas in sealed equipment. Refer to the units'
data plate for quantity of refrigerant shown in weight.
Before installing the unit, verify that voltage,
I
amperage, and circuit protection requirements
listed on the units' data plate agree with the
provided power supply.
6 .1 Preparing for System
Installation
Refer to this list when preparing for the installation of the
air conditioning unit and Q3 control.
• Selecting a good location for your air conditioner is
the most important part of installation preparation.
• Avoid locations that expose the unit to water from
higher level runoff and overhangs.
• Locate the unit in an area that provides adequate
clearance for servicing.
• Locate the unit on a level surface or other sturdy
platform.
• Be sure to consider the size and the area you are
planning to cool prior to installation.
• Since cold air falls, it is highly recommended that the
supply-air grille is installed as high as possible.
• Do not locate the unit where the fresh air supply
to the outdoor coil may be restricted or where
recirculation from the condenser fan discharge is
possible.
• Plan the following connections which must be made
prior to the installation of the unit:
– Ducting
– Condensate Drain
– Electrical Power Connections
– Location of the Control Panel
Select the location of the unit and the units' support
system (pad, rails, or other), that provides for the
minimum clearances required for safety. This includes the
clearance to combustible surfaces, airflow clearances,
wiring, and service access below, around, and above the
unit as specified in the unit drawings. Locate the unit so
that the outdoor coil (condenser) airflow is unrestricted.
Installation
11
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