Dometic CARAVAN B3200 Manual

1
Type 3253.332 Installation and Operating Instructions
INSTALLATION & OPERATING
INSTRUCTIONS
Important:TheseInstructions
must stay with unit.
Owner read carefully.
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.
MODEL B3200
Roof-Top Air Conditioner
used with
Mechanical Air Distribution Box
TYPE
3253.332
Air Conditioner
REVISION:
FormNo.3310070.0104/06
(Replaces3310070.000)
©2006DometicCorporation
LaGrange,IN 46761
SERVICEOFFICE
DometicCorporation
ForInformation
Contact:
www.dometic.com
RECORD THIS UNIT INFORMATION FOR FUTURE
REFERENCE:
Model Number
SerialNumber
DatePurchased

2
Type 3253.332 Installation and Operating Instructions
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 ORCAUTION is used
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. Productfeaturesorspecificationsasdescribedorillus-
trated are subject to change without notice.
Thefollowingarethebasicrequirements:
1. Installationopening.Cut throughtheroofand ceil-
ing.
2. AdditionalWiring.
220-240 VAC, 50 Hz. 10 Amp.
3. Powerwiththeairconditioneronmustbeabove209
VAC and the frequency must be at 50 HZ. at all
times.
B. This Air Conditioner Is Designed For:
1. Installationonarecreationalvehicleduringthetime
thevehicleismanufactured.
2. Mountingontheroofofarecreationalvehicle.
3. Roofconstructionwithrafters/joistsonminimumof
40.6 cm centers.
4. Minimumof 5cmand maximumof10 cmdistance
betweenrooftoceilingofrecreationalvehicle.Alter-
nate installation methods will allow for roofs more
than 10 cm thick.
C. Theabilityoftheairconditionertomaintainthedesired
inside temperature depends on the heat gain of the
Caravan.
Somepreventativemeasurestakenbytheoccupantsof
theCaravancanreducetheheatgainandimprovethe
performance of the air conditioner. During extremely
highoutdoortemperatures,theheatgainofthevehicle
may be reduced by:
1. ParkingtheCaravaninashadedarea
2. Usingwindowshades(blindsand/orcurtains)
3. Keeping windows and doors shut or minimizing
usage.
4. Avoidingtheuseofheatproducingappliances
Operation on High Fan/Cooling mode will give optimum or
maximum efficiency in high humidity or high outside tem-
peratures.
Startingtheairconditionerearlyinthemorningandgivingit
a "head start" on the expected high outdoor ambient will
greatly improve its ability to maintain the desired indoor
temperature.
Fora morepermanentsolution tohighheat gain,accesso-
rieslikeDometicA&Eoutdoorpatioandwindowawningswill
reduceheatgainbyremovingthedirectsun.Theyalsoadd
aniceareatoenjoycompanyduringthecooloftheevening.
GENERAL INSTRUCTIONS

3
Type 3253.332 Installation and Operating Instructions
A. Precautions
Improper installation; may damage equip-
ment; could endanger life; cause serious in-
jury and/or property damage.
1. ReadInstallationand OperatingInstructionscare-
fully before attempting to start your air conditioner
installation.
2. DometicCorporationwillnotbeliableforanydam-
ages or injury incurred due to failure in following
these instructions.
3. Theequipmentshallbeinstalledinaccordancewith
nationwiringregulationperICE335-2-40,7.12.1.In-
stallation must comply with applicable codes or
regulations.
INSTALLATION INSTRUCTIONS
SPECIFICATIONS
TheManufacturergivesonlygeneralguidelinesforGenerator
requirements. These Generator requirements come from
experiences consumers have with our equipment in field
applications. When sizing Generators, the total electrical
powerconsumptionofthecaravanmustbeconsidered.Keep
in mind that Generators lose power because of altitude
increaseabovesealevel,highoutsidetemperaturesandlack
ofmaintenance.
Type 3253.332 Electric
Air Cond Heater
Nominal Capacity (KW) 3.2 1.6
Electrical Rating 220 - 240 VAC 50 Hz. 1Ph.
FL Amps (Comp/Motor) 5.2/1.6 6.3/1.6
LR Amps (Comp/Motor) 26/4.4 --/4.4
Power (KW) 1.3 1.9
Min. Wire Size Up to 8 meters, use 1.5mm2Copper
Circuit Protection 10 Amp Time Delay Fuse or
10 Amp Circuit Breaker
Generator Size
1 Unit 3.5 KW
2 Units 5.0 KW
5. This equipment must be serviced by qualified per-
sonnelandsomelocalitiesrequirethesepeopleto
belicensed.
B. CHOOSINGPROPERLOCATIONFORTHE
AIR CONDITIONER
Thisairconditionerisspecificallydesignedforinstalla-
tionontheroofofarecreationalvehicle(Caravan).When
determining your cooling requirements, the following
shouldbeconsidered:
•SizeofCaravan;
•Windowarea(increasesheatgain);
•Amountofinsulation inwalls androof;
•Geographical location where the Caravan will be
used;
•Personalcomfortlevelrequired.
1. NormalLocation-Theairconditionerisdesignedto
fitoveranexistingroofventopening.Whenthevent
isremoved,itnormallycreatesa35.5cmx35.5cm
opening.See FIG.1.
FIG. 1
2. Other Locations-When no roof vent is available or
anotherlocationisdesired,thefollowing isrecom-
mended:
a. For one unit installation :
Theairconditionershouldbemountedslightly
forward of the center (front to back ) and cen-
teredfromsidetosideontheCaravan.SeeFIG.
2.
1/2L LL
1/3L
2/3L
FIG. 2
L = Length
b. For two unit installations:
Installoneairconditioner1/3andtheother2/3's
backfromthefrontofthecaravanandcentered
from side to side. See FIG. 2.
D. Condensation
Note: The manufacturer of this air conditioner will not be
responsiblefordamagecausedbycondensedmoistureon
ceilings or other surfaces. Air contains moisture and this
moisture tends to condense on cold surfaces. When air
enterstheCaravan,condensedmoisturemayappearonthe
ceiling, windows, metal parts, etc. The air conditioner re-
moves this moisture from the air during normal operation.
Keepingdoorsandwindowsclosedwhenthisairconditioner
is in operation will minimize condensed moisture on cold
surfaces.
4. DONOTaddanydevicesoraccessoriestothisair
conditionerexceptthosespecificallyauthorizedby
Dometic.

4
Type 3253.332 Installation and Operating Instructions
3. Check the location acceptability before beginning
the installation.
a. Ifpossiblemounttheairconditionerinasection
oftheroofwhichisbothflatandlevelwhenthe
caravanisparkedonalevelsurface;otherwise,
asidewayspitchorforwardpitchupto8°canbe
tolerated, but a backward pitch can never be
accepted. See FIG. 3.
b. Checkontherooftoinsurenoobstructionsare
in the area where the air conditioner will be
installed. See FIG. 4 & 5.
c. Check inside the Caravan for air box obstruc-
tions (i.e. door openings, room dividers, cur-
tains, ceiling fixtures, etc.) See FIG. 6.
d. The roof must be designed to support 60 Kg.
when the Caravan is in motion. Normally a 90
Kg. static load design will meet this require-
ment. See FIG. 7.
54 cm
KEEP THESE AREAS
FREE OF OBSTRUCTIONS 30 cm
REAR
OF
UNIT
10 cm
10 cm
10.5 cm
18 cm
18 cm
Center Line
of Unit
Center Line
of Unit
10 cm 10 cm
7.5 cm
7.5 cm
51 cm
Air Box
PERIMETER
35.5 x35.5 cm
OPENING
56 cm
35.5 x35.5 cm
OPENING
FIG. 4
It is the responsibility of the installer of this
air conditioner system to ensure structural in-
tegrity of the Caravan 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 Caravan.
CAUTION
Roof /Return Air Grill - Cross
Section
Light
35.5 cm
ProhibitsInstallation
Cabinet - Prohibits Use
FIG. 6
FIG. 3 OK
Side Side
Good
8° With A/C
Facing Forward
FIG. 5
97 cm
24 cm
73 cm
51
cm
56 cm
6.4 cm

5
Type 3253.332 Installation and Operating Instructions
C. Roof Preparation
1. OpeningRequirements-Beforepreparingtheceil-
ing opening, read all of the following instructions
beforebeginningtheinstallation.
Ifaroofventopeningwillnotbeuseda35.5cmx35.5
cmopeningmustbecutthroughtheroofandceiling
oftheRV.Thisopeningmustbelocatedbetweenthe
roofreinforcingmembers.
The35.5 cmx35.5 cmopeningis partofthe return
air system of the Air Conditioner and must be fin-
ishedin accordancewith nationaland localcodes.
2. RoofVentRemoval
a. Unscrewandremovetheroofvent.
b. Remove all caulking compound around open-
ing.
c. Sealallscrewholesandseamswheretheroof
gasket is located. Use a good grade of all
weathersealant. SeeFIG. 5.
d. Iftheopeningexceeds36.5cmx36.5cm,itwill
benecessarytore-sizetheopeningto35.5cm
x 35.5 cm.
e. If the opening is less than 35.5 cm x 35.5 cm,
it must be enlarged.
3. NewOpening-(InstallationOtherThanVentOpen-
ing)
a. Marka35.5cmx35.5cmsquareontheroofand
carefullycut theopening.
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.Lumber2cmormore
in thickness must be used. Remember to pro-
videanentranceholeforpowersuppliesatthe
frontof theopening.SeeFIG.6.
It is the responsibility of the installer of this
air conditioner system to ensure structural
integrity of the Caravan roof. Never create a
low spot on the roof where water will collect.
Waterstandingaround the air conditioner may
leak into the interior causing damage to the
product and the Caravan.
CAUTION
FIG. 5
FIG. 6
DoNotCut
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
38 cm Min.
AtFront of
opening
2 cm Min.
D. Wiring Requirements
1. 220-240VACSupplyLine
Routeacopper1.5mm2,withground,220-240VAC
supplylinefromthetimedelayfuseorcircuitbreaker
boxto theroofopening.
a. This supply line must be located in the front
portion of the 35.5 cm x 35.5 cm opening.
b. ThepowerMUSTbeonaseparate10Amptime
delay fuse or 10 Amp circuit breaker.
c. Make sure that at least 38 cm of supply wire
extends into the roof opening. This ensures
easy connection at the junction box.
d. WiringmustcomplywithallNationalandLocal
WiringCodes.
e. Useasteelsleeveandagrommetorequivalent
methodstoprotectthewirewhereitpassesinto
theopening.
There may be electrical wiring between the
roof and the ceiling. Disconnect 220-240 volt
AC power cord and the positive (+) 12 volt DC
terminal at the supply battery. Failure to fol-
low this instruction may create a shock haz-
ard causing death or severe personal injury.
WARNING
!