General Information; Heat Gain; Condensation; Service-Unit Does Not Operate - Dometic DuraSea 489516P Installation Instructions Manual

Roof top air conditioner
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GENERAL INFORMATION

A.

Heat Gain

The ability of this air conditioner to maintain the desired
inside temperature depends on the heat gain of the boat.
Some preventative measures taken by the occupants of
the boat can reduce the heat gain and improve the perfor-
mance of the air conditioner. During extremely high outdoor
temperatures, the heat gain of the boat may be reduced by:
1. Mooring the boat in a shaded area
2. Using window shades (blinds and/or curtains)
3. Keeping windows and doors shut or minimizing
usage
4. Avoiding the use of heat producing appliances
5. Add heat-rejection film on windows
Operation on High Fan/Cooling mode will give optimum
or maximum efficiency in high humidity or high outside
temperatures.
Starting the air conditioner early in the morning and giving
it a "head start" on the expected high outdoor ambient will
greatly improve its ability to maintain the desired indoor
temperature.

SERVICE-UNIT DOES NOT OPERATE

If your unit fails to operate or operates improperly, check
the following before calling your service center.
Check your fuse or circuit breaker to see if it is
open. Insure fuse is not burnt, or circuit breaker
is "ON" and not activated.
After the above checks, call your local service
center for further help. This unit must be ser-
viced by qualified service personnel only.
If any wiring or supply cord is damaged and
needs to be replaced, it must be replaced by
the manufacturer or its service agent or a simi-
larly qualified person.
B.

Condensation

The manufacturer of this unit will not be responsible for
damage caused by condensation forming on ceilings,
windows, or other surfaces. Air contains water vapor which
condenses when temperature of a surface is below Dew
point. During normal operation this unit is designed to
remove a certain amount of moisture from the air, depend-
ing on the size of the space being conditioned. Keeping
doors and windows closed when this air conditioner is in
operation will greatly reduce the chance of condensation
forming on interior surfaces.
To locate a service technician near you:
● Go to WWW.dometic.com/marinedealers or
● Call Dometic Marine at 1-800-542-2477 8:00
AM to 5:00 PM Eastern Time, or 1-888-440-
4494 after hours and weekends.
When calling for service, always give the following:
Unit type and serial number found on the iden-
tification label located on base pan of unit bot-
tom. Return air grille must be removed from
ADB.
ADB model and serial number found on rating
plate located on ceiling template. Observe this
rating plate through the filter opening.
12

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Durasea 489516a

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