General Information - Dometic B3351.531 Installation & Operating Instructions Manual

Roof top air conditioner used with mechanical air distribution box kit 3309278.004
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TYPE
NOMINAL
NO.
CAPACITY
WATTS
COOLING
B3351.531
3,245

GENERAL INFORMATION

A. This air conditioner is designed for:
1. Installation on a recreational vehicle during or after
the time the vehicle is manufactured.
2. Mounting on the roof of a recreational vehicle.
3. Roof construction with rafters/joists on minimum of
400mm centers.
4. Minimum of 25mm and maximum of 100mm dis-
tance between roof to ceiling of recreational vehicle.
Alternate installation methods will allow for roofs
more than 100mm thick.
B. The ability of the air conditioner to maintain the desired
inside temperature depends on the heat gain of the RV.
Some preventative measures taken by the occupants of
the RV can reduce the heat gain and improve the
performance of the air conditioner. During extremely
high outdoor temperatures, the heat gain of the vehicle
may be reduced by:
1. Parking the RV in a shaded area
2. Using window shades (blinds and/or cur tains)
3. Keeping windows and doors shut or minimizing
usage
4. Avoiding the use of heat producing appli ances.
5. Operation on High Fan/Cooling mode will give opti-
mum or maximum efficiency in high humidity or high
outside temperature.
6. Starting the air conditioner early in the morning and
INSTALLATION AND OPERATING INSTRUCTIONS
ELECTRICAL
COMPRESSOR
COMPRESSOR
RATING
RATED LOAD
LOCKED
KW
ROTOR
KW
220 / 240 VAC,
1.1 / 1.2
4.5 / 5.0
50 HZ., 1PH.
FAN MOTOR
FAN MOTOR
RATED LOAD
LOCKED
KW
ROTOR
KW
0.21
0.46
giving it a "head start" on the expected high outdoor
ambient will greatly improve its ability to maintain
the desired indoor temperature.
7. For a more permanent solution to a high heat gain,
accessories like outdoor patio and window awnings
will reduce heat gain by removing the direct expo-
sure to the sun. They also add a nice area to enjoy
company during the cool of the evening.
C. Condensation
Note: The manufacturer of this air conditioner will not be
responsible for damage caused by condensed moisture on
ceilings or other surfaces. Air contains moisture and this
moisture tends to condense on cold surfaces. When air
enters the RV, condensed moisture may appear on the
ceiling, windows, metal parts, etc. The air conditioner
removes this moisture from the air during normal operation.
Keeping doors and windows closed when this air conditioner
is in operation will minimize condensed moisture on cold
surfaces.
3
REFRIGERANT
HEATER AMPS
R-22
AT
GRAMS/OZ
220 / 240 VAC
510/18.0
1.64

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B3300 series

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