Dometic 600312.331 User manual

1
INSTALLATION & OPERATING
INSTRUCTIONS
USA
SERVICEOFFICE
DometicCorporation
509SouthPoplarStreet
LaGrange,IN46761
260-463-4858
CANADA
DometicDistribution
866LangsDrive
Cambridge,Ontario
CANADAN3H2N7
519-653-4390
For Service Center
AssistanceCall:
800-544-4881
Important:TheseInstructions
must stay with unit.
Owner read carefully.
RECORDTHISUNITINFORMATIONFOR
FUTUREREFERENCE:
Model Number
Serial Number
Date Purchased
C
U
S
This manual must be read and un-
derstood before installation, ad-
justment, service, or maintenance
is performed. This unit must be in-
stalled by a qualified service tech-
nician.Modificationofthisproduct
can be extremely hazardous and
could result in personal injury or
property damage.
Lire et comprendre ce manuel avant de
procéderàl'installation,àdesréglages,
de l'entretien ou des réparations.
L'installation de cet appareil doit être
effectuée par un réparateur qualifié.
Toute modification de cet appareil peut
être extrêmement dangereuse et
entraîner des blessures ou dommages
matériels.
MODEL 6003 Series
Roof-Top Air Conditioner
used with
3105457 Mechanical Air Distribution Box
Models
600312.331
600315.331
600315.336
FormNo.3309032.00511/04
(French3309033.003)
©2004DometicCorporation
LaGrange,IN 46761

2
SAFETY INSTRUCTIONS
This manual has safety information and instruc-
tionsto helpusers eliminateor reducethe riskof
accidentsand injuries.
RECOGNIZE SAFETY INFORMATION
Thisisthesafety-alertsymbol.Whenyou see this
symbolinthis manual,bealert tothepotentialfor
personalinjury.
Follow recommended precautions and safe op-
eratinginstructions.
UNDERSTAND SIGNAL WORDS
Asignalword, WARNING OR CAUTIONisused
withthesafety-alertsymbol.Theygivethelevelof
riskforpotentialinjury.
indicates a potentiallyhazard-
oussituation which, ifnotavoided, couldresultin
deathorseriousinjury.
indicates a potentially hazard-
ous situation which, if not avoided may result in
minorormoderate injury.
used without the safety alert
symbol indicates, a potentially hazardous situa-
tion which, if not avoided may result in property
damage.
Readandfollowallsafetyinformationandinstruc-
tions.
!
WARNING
!
CAUTION
CAUTION
!
A. Productfeaturesorspecificationsasdescribedorillustrated
are subject to change without notice.
B. This Air Conditioner Is Designed For:
1. Installationonarecreationalvehicleduringthetime
thevehicleismanufactured.
2. Mountingontheroofofarecreationalvehicle.
3. Roof construction with rafters/joists on minimum of 16
inch centers.
4. Minimum of 2.00 inches and maximum of 4.00 inches
distancebetweenrooftoceilingofrecreationalvehicle.
Alternate installation methods will allow for roofs more
than 4.00 inches thick.
C. The ability of the air conditioner to maintain the desired
insidetemperature depends ontheheat gain ofthe RV.
Somepreventativemeasurestakenbytheoccupantsofthe
RVcanreducetheheatgainandimprovetheperformanceof
theairconditioner. Duringextremelyhighoutdoortempera-
tures, the heat gain of the vehicle may be reduced by:
1. Parking the RV in a shaded area
2. Usingwindowshades(blindsand/orcurtains)
3. Keepingwindowsanddoorsshutorminimizingusage
4. Avoidingtheuseofheatproducingappliances
Operation on High Fan/Cooling mode will give optimum or
maximum efficiency in high humidity or high outside tempera-
tures.
Starting the air conditioner early in the morning and giving it a
"head start" on the expected high outdoor ambient will greatly
improveitsabilitytomaintainthedesiredindoortemperature.
Foramorepermanentsolutiontohighheatgain,accessorieslike
A&Eoutdoorpatioandwindowawningswillreduceheatgainby
removing the direct sun. They also add a nice area to enjoy
companyduringthecooloftheevening.
D. Condensation
Note: Themanufacturerofthisairconditionerwillnotberespon-
siblefor damage causedbycondensed moisture onceilingsor
othersurfaces. Aircontainsmoistureandthismoisturetendsto
condenseoncoldsurfaces.WhenairenterstheRV,condensed
moisturemay appearon the ceiling,windows, metalparts, etc.
The air conditioner removes this moisture from the air during
normaloperation.Keepingdoorsandwindowsclosedwhenthis
airconditionerisinoperationwillminimizecondensedmoisture
oncold surfaces.
GENERAL INFORMATION
600312 & 600315 Series Installation Instructions

3
Model Nominal Electrical Compressor Compressor FanMotor FanMotor SCFM-High Total Refrigerant Minimum AC Circuit Installed Minimum No. Capacity Rating RatedLoad Locked RatedLoad Locked Speed Static R-22 (Oz.) WireSize* Protection Weight Generator
(BTU/HR) Amps Rotor Amps Rotor Max/Min Max/Min ***User (Pounds) Size**
Cooling Amps Amps W.C. Supplied 1Unit/2Units
120VAC, 12AWG
60Hz., 1PH Copper
UpTo24'
SPECIFICATIONS
* For wire length over 24 ft., consult the National Electric Code for proper sizing. ** DometicCorporationgivesGENERALguidelinesforgenerator requirements.Theseguidelinescomefromexperiencespeoplehavehadinactualapplications.
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 lackofmaintenance.
*** CIRCUITPROTECTION:TimeDelayFuseorHACRCircuitBreakersRequired.
600312.331 11,000 9.5 53.0 3.5 10.0 335/250 .012/0.65 17.0 20Amp 97 2.5KW/4.0KW
600315.331 13,500 12.4 60.0 3.5 10.0 335/250 .012/0.65 15.2 20Amp 95 3.5KW/5.0KW
600315.336 13,500 12.4 60.0 3.5 10.0 335/250 .012/0.65 15.2 20Amp 95 3.5KW/5.0KW
600312 & 600315 Series Installation Instructions

4
It is preferred that the air conditioner be installed on a
relativelyflat and level roof section measuredwiththe RV
parkedonalevelsurface.
Note:A8°slanttoeitherside,orfronttoback,isacceptable
for all units.
3. AfterLocation Has BeenSelected:
a. Check for obstructions in the area where air
conditioner will be installed. See FIG. 4.
b. The roof must be designed to support 130
poundswhen the RV is in motion. Normally a
200lb.staticloaddesignwillmeetthisrequire-
ment.
It is the responsibility of the installer of this
air conditioner system to ensure structural in-
tegrity of the RV roof. Never create a low spot
on the roof where water will collect. Water
standing around the air conditioner may leak
into the interior causing damage to the prod-
uct and the RV.
c. Check inside the RV for return air kit obstruc-
tions (i.e. door openings, room dividers, cur-
tains, ceiling fixtures, etc.) See FIG. 3 & 4.
CAUTION
A. Precautions
Improperinstallationmaydamage equipment,
could endanger life, cause serious injury and/
or property damage.
1. ReadInstallationandOperatingInstructionscare-
fully before attempting to start your air conditioner
installation.
2. DometicCorporationwillnotbeliableforanydam-
ages or injury incurred due to failure in following
these instructions.
3. InstallationmustcomplywiththeNationalElectrical
Code ANSI/NFPA-70 and CSA Standard C22.1
(latest edition and any State or Local Codes or
regulations.
4. DONOTaddanydevicesoraccessoriestothisair
conditionerexceptthosespecificallyauthorizedby
Dometic.
5. This equipment must be serviced by qualified per-
sonnelandsomestatesrequirethesepeopletobe
licensed.
INSTALLATION INSTRUCTIONS
B. Choosing Proper Location For The Air
Conditioner
Thisairconditionerisspecificallydesignedforinstallationon
theroofofarecreationalvehicle(RV).Whendeterminingyour
coolingrequirements,thefollowingshouldbeconsidered:
•Size of RV;
•Windowarea(increasesheatgain);
•Amountof insulationin walls androof;
•GeographicallocationwheretheRV will be used;
•Personalcomfortlevelrequired.
1. NormalLocation-Theairconditionerisdesignedto
fitoveranexistingroofventopening.
2. Other Locations-When no roof vent is available or
anotherlocationisdesired,thefollowingisrecom-
mended:
a. For one unit installation: The air conditioner
should be mounted slightly forward of center
(front to back) and centered from side to side.
b. Fortwounitinstallations:InstalloneAirCondi-
tioner 1/3 and one Air Conditioner 2/3’s from
front of RV and centered from side to side.
FIG. 1
9-1/2"
39"
28-3/4"
20"
2-1/2"
22"
FIG. 3
9-1/2"
39"
28-3/4"
600312 & 600315 Series Installation Instructions
1/2L LL
1/3L
2/3L
FIG. 2

5
C. Roof Preparation
1. OpeningRequirements-Beforepreparingtheceil-
ing opening, read all of the following instructions
beforebeginningtheinstallation.
Ifaroofventopeningwillnotbeuseda14-1/4"x14-
1/4"(±1/8")openingmustbecutthroughtheroofand
ceiling of the RV. This opening must be located
betweentheroofreinforcingmembers.
There may be electrical wiring between the
roof and the ceiling. Disconnect 120 volt AC
power cord and the positive (+) 12 volt DC ter-
minal at the supply battery. Failure to follow
this instruction may create a shock hazard
causing death or severe personal injury.
FIG. 4
14-1/4" x 14-1/4”
(±1/8”) OPENING
21-3/8”
KEEP THESE AREAS
FREE OF OBSTRUCTIONS 12"
REAR
OF
UNIT
4"
4"
4-1/8”
7-1/8”
7-1/8”
Center Line
of Unit
The14-1/4"x 14-1/4" (±1/8")openingis part of the
return air system of the Air Conditioner and must
befinishedinaccordancewithNFPAStandard501C
Section 2.7.2.
2. RoofVentRemoval
a. Unscrewandremovetheroofvent.
b. Remove all caulking compound around open-
ing.
c. Sealallscrewholesandseamswheretheroof
gasket is located. Use a good grade of all
weathersealant. See FIG.5.
FIG. 5
FIG. 6
DoNot Cut
RoofStructure
OrRafters
Good-Rafters
SupportedBy
CrossBeams
GoodLocation-
Between Roof
Rafters
Frame Opening So It
Won't Collapse When
Bolting Down Unit
Leave Access For Power
Supply Wiring
15" Min. At
Frontof
opening
3/4" Min.
d. Iftheopening exceeds14-3/8"x14-3/8",itwill
benecessarytore-sizetheopeningto14-1/4"
x14-1/4" (±1/8").
e. If the opening is less than 14-1/8" x 14-1/8", it
mustbeenlarged.
3. NewOpening-(InstallationOtherThanVentOpen-
ing)
a. Marka14-1/4"x14-1/4" (±1/8") square onthe
roofandcarefullycuttheopening.
b. Using the roof opening as a guide, cut the
matching hole in the ceiling.
c. Theopeningcreatedmustbeframedtoprovide
adequate support and prevent air from being
drawnfromtheroofcavity.Lumber3/4"ormore
in thickness must be used. Remember to pro-
videanentranceholeforpowersuppliesatthe
frontof the opening.See FIG. 6.
It is the responsibility of the installer of this
air conditioner system to ensure structural
integrity of the RV roof. Never create a low
spot on the roof where water will collect. Wa-
ter standing around the air conditioner may
leak into the interior causing damage to the
product and the RV.
CAUTION
2 7/8
2 7/8
+
-
1/8
4
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600312 & 600315 Series Installation Instructions