This manual must be read and
understood before installation,
adjustment, service, or maintenance is performed. This unit must
be installed by a qualied service
technician. Modification of this
product can be extremely hazardous and could result in personal
injury or property damage.
INSTRUCTIONS
Lire et comprendre ce manuel avant de
procéder à l’installation, à des réglages,
de l’entretien ou des réparations.
L’installation de ce produit doit être
effectuée par un réparateur qualié.
Toute modication de ce produit peut
être extrêmement dangereuse et
entraîner des blessures ou dommages
matériels.
Read these instructions carefully. These
instructions MUST stay with this product.
IMPORTANT SAFETY INSTRUCTIONS
This manual has safety information and instructions to help users eliminate or reduce the risk
of accidents and injuries.
RECOGNIZE SAFETY INFORMATION
This is the safety alert symbol. It is used to alert
you to personal injury hazards. Obey all safety
messages that follow this symbol to avoid possible injury or death.
UNDERSTAND SIGNAL WORDS
A signal word, when used with the safety alert
symbol, will identify a safety hazard and its level
of risk for personal injury. A signal word, without
the safety alert symbol, will be used for property
damage messages only.
WARNING indicates a hazard-
ous situation which, if not avoided, could result
in death or serious injury.
CAUTION, used with the safe-
ty alert symbol, indicates a hazardous situation
which, if not avoided, could result in minor or
moderate injury.
GENERAL INFORMATION
A.Product features or specications as described or il-
lustrated are subject to change without notice.
B. This heat pump (hereinafter referred to as the "unit")
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 16 inch centers.
4. Minimum of 1.00 inch and maximum of 5.5 inches
distance between roof to ceiling of recreational
vehicle.
C. The ability of the air conditioner to maintain the de-
sired 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 RV
may be reduced by:
1. Parking the RV 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
Operation on High Fan/Cooling mode will give optimum
or maximum efciency in high humidity or high outside
temperature.
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.
For a more permanent solution to a high heat gain, accessories like Dometic outdoor patio and window awnings
will reduce heat gain by removing the direct exposure to
the sun. They also add a nice area to enjoy company dur-
ing the cool of the evening.
D. Condensation
NOTICE is used to address
practices not related to personal injury.
Read and follow all safety information and
instructions to avoid personal injury.
Note: The manufacturer of this unit 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. During normal operation this unit
removes moisture from the air. Keeping doors and windows closed when this air conditioner is in operation will
minimize condensed moisture on cold surfaces.
* For wire length over 24 ft., consult the National Electric Code for proper sizing.
** Dometic Corporation gives GENERAL guidelines for generator requirements. These guidelines come from experiences
people have had in actual applications. When sizing the generator, the total power usage of your recreational vehicle
must be considered. Keep in mind generators lose power at high altitudes and from lack of maintenance.
*** CIRCUIT PROTECTION: Time Delay Fuse or Circuit Breakers Required.
3
INSTALLATION INSTRUCTIONS
FIG. 1
A. Precautions
PERSONAL INJURY HAZARD. Failure to obey
these installation instructions may cause serious personal injury and/or property damage.
1. Read installation and operating instructions carefully before attempting to start this unit installation.
2. Dometic Corporation will not be liable for any
damages or injury incurred due to failure in fol-
lowing these instructions.
3. Installation MUST comply with the National Elec-
trical Code ANSI/NFPA-70 and CSA Standard
C22.1 (latest edition) and any State or Local
Codes or regulations.
4. Do NOT add any devices or accessories to this
unit except those specically authorized in writing
by Dometic Corporation.
5. This equipment MUST be serviced by qualied
personnel and some states require these people
to be licensed.
B. Choosing Proper Location For The Unit
This unit is specically designed for installation on the
roof of a recreational vehicle (RV). When determining
your cooling requirements, the following should be
considered:
• Size of RV;
• Window area (increases heat gain);
• Amount of insulation in walls and roof;
• Geographical location where the RV will be used;
• Personal comfort level required.
1. Normal locations-The unit is designed to t over
an existing roof vent opening.
2. Other locations-When no roof vent is available or
another location is desired, the following is recommended:
a. For one unit installation: The unit should be
mounted slightly forward of center (front to
back) and centered from side to side.
b. For two unit installations: Install one unit 1/3
and one unit 2/3's from front of RV and centered from side to side.
It is preferred that the unit be installed on a relatively at
and level roof section with the RV parked on a level sur-
face but up to a 8° tilt is acceptable.
3.After Location Has Been Selected
a. Check for obstructions in the area where unit
will be installed. See FIG. 1.
9-1/2"
40"
29"
Dimensions Are Nominal
12"
Center Line
Of Unit
4"
Dimensions Are Nominal
Keep These Areas
Free Of Obstructions
14-1/4" x 14-1/4"
(± 1/8") Opening
Front
4"
b. The roof must be designed to support 130
pounds when the RV is in motion. Normally a
200 lb. static load design will meet this require-
ment.
PROPERTY DAMAGE HAZARD. It is the responsibility of the installer of this system
to ensure structural integrity of the RV roof.
Never create a low spot on the roof where
water will collect. Failure to obey this warning may cause water damage to the product
and the RV.
c. Check inside the RV for air distribution box
obstructions. (i.e. door openings, room dividers,
curtains, ceiling xtures, etc.) See FIG. 2.
FIG. 2
4-15/16"
Air Distribution Box
25"
20"
Dimensions Are Nominal
5-1/8"6"
Air
Duct
3"
9-3/16"
5-29/64"
2-15/16"
Front
2-3/4"
(overall
depth)
Front
View From Above
Dimensions Are Nominal
4
3"
14-1/4" x 14-1/4" (± 1/8")
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