Dometic 600312.331, 600315.336, 600315.331 User Manual

USA

C

S

SERVICE OFFICE
Dometic Corporation
509 South Poplar Street
LaGrange, IN 46761
260-463-4858

RECORD THIS UNIT INFORMATION FOR
FUTURE REFERENCE:
Model Number
Serial Number
Date Purchased

MODEL 6003 Series

Roof-Top Air Conditioner

used with

3105457 Mechanical Air Distribution Box

U

CANADA

Dometic Distribution
866 Langs Drive
Cambridge, Ontario
CANADA N3H 2N7
519-653-4390

For Service Center
Assistance Call:

800-544-4881

This manual must be read and un­derstood before installation, ad­justment, service, or maintenance
is performed. This unit must be in­stalled by a qualified service tech­nician. Modification of this product
can be extremely hazardous and
could result in personal injury or
property damage.

Lire et comprendre ce manuel avant de
procéder à l'installation, à des réglages,
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.

INST ALLA TION & OPERA TING

INSTRUCTIONS

Models

600312.331

600315.331

Form No. 3309032.005 11/04
(French 3309033.003)
©2004 Dometic Corporation
LaGrange, IN 46761

600315.336

Important: These Instructions

must stay with unit.
Owner read carefully.

1

600312 & 600315 Series Installation Instructions

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. When you see this
symbol in this manual, be alert to the potential for
personal injury .

Follow recommended precautions and safe op­erating instructions.

UNDERSTAND SIGNAL WORDS

A signal word , WARNING OR CAUTION is used
with the safety-alert symbol. They give the level of
risk for potential injury .

WARNING

!

ous situation which, if not avoided, could result in
death or serious injury .

CAUTION

!

ous situation which, if not avoided may result in
minor or moderate injury .

CAUTION

symbol indicates, a potentially hazardous situa­tion which, if not avoided may result in property
damage.

Read and follow all safety information and instruc­tions.

indicates a potentially hazard-

indicates a potentially hazard-

used without the safety alert

GENERAL INFORMATION

A. Product features or specifications as described or illustrated

are subject to change without notice.

B. This Air Conditioner Is Designed For:

1. Installation on a recreational vehicle during 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 2.00 inches and maximum of 4.00 inches
distance between roof to ceiling of recreational vehicle.
Alternate installation methods will allow for roofs more
than 4.00 inches thick.

C. 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 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 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.

For a more permanent solution to high heat gain, accessories like
A&E outdoor patio and window awnings will reduce heat gain by
removing the direct sun. They also add a nice area to enjoy
company during the cool of the evening.

D. Condensation

Note: The manufacturer of this air conditioner will not be respon-

sible 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.

2

Up To 24'

600312 & 600315 Series Installation Instructions

SPECIFICATIONS

Cooling Amps Amps W.C. Supplied 1Unit/2Units

(BTU/HR) Amps Rotor Amps Rotor Max/Min Max/Min ***User (Pounds) Size**

120 VAC, 12AWG

60 Hz., 1 PH Copper

Model Nominal Electrical Compressor Compressor Fan Motor Fan Motor SCFM-High Total Refrigerant Minimum AC Circuit Installed Minimum

No. Capacity Rating Rated Load Locked Rated Load Locked Speed Static R-22 (Oz.) Wire Size* Protection Weight Generator

600312.331 11,000 9.5 53.0 3.5 10.0 335 / 250 .012 / 0.65 17.0 20 Amp 97 2.5 KW/4.0 KW

600315.331 13,500 12.4 60.0 3.5 10.0 335 / 250 .012 / 0.65 15.2 20 Amp 95 3.5 KW/5.0 KW

600315.336 13,500 12.4 60.0 3.5 10.0 335 / 250 .012 / 0.65 15.2 20 Amp 95 3.5 KW/5.0 KW

When sizing the generator, the total power usage of your recreational vehicle must be considered. Keep in mind generators lose power at high altitudes

an dfrom lack of maintenance.

* 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.

*** CIRCUIT PROTECTION: Time Delay Fuse or HACR Circuit Breakers Required.

3

600312 & 600315 Series Installation Instructions

INSTALLATION INSTRUCTIONS

A. Precautions

Improper installation may damage equipment,
could endanger life, cause serious injury and/
or property damage.

1. Read Installation and Operating Instructions care­fully before attempting to start your air conditioner
installation.

2. Dometic Corporation will not be liable for any dam­ages or injury incurred due to failure in following
these instructions.

3. Installation must comply with the National Electrical
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 air
conditioner except those specifically authorized by
Dometic.

5. This equipment must be serviced by qualified per­sonnel and some states require these people to be
licensed.

B. Choosing Proper Location For The Air

Conditioner

This air conditioner is specifically 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 Location-The air conditioner is designed to
fit over an existing roof vent opening.

FIG. 2

1/2L

L

2/3L

L

1/3L

It is preferred that the air conditioner be installed on a
relatively flat and level roof section measured with the RV
parked on a level surface.
Note: A 8° slant to either side, or front to back, is acceptable
for all units.

3. After Location Has Been Selected:
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
200 lb. static load design will meet this require­ment.

CAUTION

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. Water
standing around the air conditioner may leak
into the interior causing damage to the prod­uct and the RV.

c. Check inside the RV for return air kit obstruc-

tions (i.e. door openings, room dividers, cur­tains, ceiling fixtures, etc.) See FIG. 3 & 4.

FIG. 3

FIG. 1

2. Other Locations-When no roof vent is available or
another location is desired, the following is recom­mended:
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. For two unit installations: Install one Air Condi-

tioner 1/3 and one Air Conditioner 2/3’s from
front of RV and centered from side to side.

9-1/2"

9-1/2"

28-3/4"

39"

28-3/4"

20"

39"

2-1/2"

22"

4

CAUTION

600312 & 600315 Series Installation Instructions

FIG. 4

4"

4"

7-1/8”

4-1/8”

21-3/8”

REAR
OF
UNIT

14-1/4" x 14-1/4”

(±1/8”) OPENING

Center Line
of Unit

7-1/8”

KEEP THESE AREAS
FREE OF OBSTRUCTIONS

2 7/8

4

4

2 7/8

12"

+

1/8

-

C. Roof Preparation

1. Opening Requirements - Before preparing the ceil­ing opening, read all of the following instructions
before beginning the installation.
If a roof vent opening will not be used a 14-1/4" x 14­1/4" (±1/8") opening must be cut through the roof and
ceiling of the RV. This opening must be located
between the roof reinforcing members.

There may be electrical wiring between the
roof and the ceiling. Disconnect 120 volt AC
power cord and the positive (+) 12 volt DC ter­minal at the supply battery. Failure to follow
this instruction may create a shock hazard
causing death or severe personal injury.

The 14-1/4" x 14-1/4" (±1/8") opening is part of the
return air system of the Air Conditioner and must
be finished in accordance with NFP A S tandard 501C
Section 2.7.2.

2. Roof Vent Removal
a. Unscrew and remove the roof vent.
b. Remove all caulking compound around open-

ing.

c. Seal all screw holes and seams where the roof

gasket is located. Use a good grade of all
weather sealant. See FIG. 5.

FIG. 5

d. If the opening exceeds 14-3/8" x 14-3/8", it will

be necessary to re-size the opening to 14-1/4"
x 14-1/4" (±1/8").

e. If the opening is less than 14-1/8" x 14-1/8", it

must be enlarged.

3. New Opening- (Installation Other Than Vent Open­ing)
a. Mark a 14-1/4" x 14-1/4" (±1/8") square on the

roof and carefully cut the opening.

b. Using the roof opening as a guide, cut the

matching hole in the ceiling.

c. The opening created must be framed to provide

adequate support and prevent air from being
drawn from the roof cavity. Lumber 3/4" or more
in thickness must be used. Remember to pro­vide an entrance hole for power supplies at the

front of the opening. See FIG. 6.

FIG. 6

Do Not Cut
Roof Structure
Or Rafters

3/4" Min.

Good-Rafters
Supported By
Cross Beams

Frame Opening So It
Won't Collapse When

Good Location­Between Roof
Rafters

Bolting Down Unit

15" Min. At

Leave Access For Power
Supply Wiring

Front of
opening

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. Wa­ter standing around the air conditioner may
leak into the interior causing damage to the
product and the RV.

5

600312 & 600315 Series Installation Instructions

D. Wiring Requirements

1. 120 VAC Supply Line
Route a copper 12 AWG, with ground, 120 VAC
supply line from the time delay fuse or circuit breaker
box to the roof opening.

a. This supply line must be located in the front

portion of the 14-1/4" x 14-1/4" (±1/8") opening.

b. The power MUST be on a separate 20 Amp time

delay fuse or HACR circuit breaker.

c. Make sure that at least 15" of supply wire

extends into the roof opening. This ensures and
easy connection at the junction box.

d. Wiring must comply with all National, State and

Local Wiring Codes.

e. Use a steel sleeve and a grommet or equivalent

methods to protect the wire where it passes into
the opening.

E. Placing Air Conditioner On The Roof

This unit weighs approximately 100 pounds.
To prevent back injury, use a mechanical hoist
to place Air Conditioner on roof.

4. Place the 3105457 Mechanical Air Distribution Box
Kit inside the RV. This box contains mounting hard­ware for the air conditioner and will be used inside the
RV. See FIG. 7.

This completes the outside work. Minor adjustments can

be done from the inside of the RV if required.

F. Installing The Air Conditioner

1. Remove air box and mounting hardware from carton.
The upper duct is shipped inside the lower duct
which is part of the ceiling template.

2. Check for correct alignment and adjust the unit as
necessary (Roof Gasket centers over 14-1/4" ±1/8"
opening).

FIG. 9

Upper Discharge
Air Duct

Rear Of Air
Conditioner

Edge Without
Flange To
Rear Of Unit

1. Remove the air conditioner from the carton and dis­card carton. See FIG. 7.

FIG. 7

2. Place the air conditioner on the roof.

3. Lift and place the unit over the prepared opening using
the gasket on the unit as a guide. See FIG. 8.

FIG. 8

FRONT

CAUTION

Do not slide the unit. This may damage the
roof gasket attached to the bottom and may
create a leaky installation.

3. Remove upper duct from ceiling template and locate
it over blower discharge. See FIG.9.

Note: Edge without flange installs toward REAR of opening.

4. Use two (2) sharp pointed #10 sheet metal screws
to hold duct to base pan. Screw holes are provided
in bottom of base pan for these screws.

5. Reach up into return air opening of the air conditioner
and pull the unit electrical cord down for later
connection.

6. Measure the ceiling to roof thickness:
a. If distance is 1"-2", remove perforated tabs from

both upper and lower ducts. See FIG. 10.

b. If distance is 2"-3", remove perforated tabs from

bottom duct only. See FIG. 10.

c. If distance is 3"-4", install ducts as received.

See FIG. 10.

d. If distance is 4"-6", use optional 318556.000

Duct Adaptor and 3100895.006 Bolt Kit. See
FIG. 10.

FIG. 10

Step a
Remove At
Perforation

Step c
Use As
Packaged

Upper Discharge
Air Duct

Step b
Remove At
Perforation

Lower Discharge
Air Duct

6

600312 & 600315 Series Installation Instructions

7. Install ceiling template by sliding lower duct over
upper duct. See FIG. 11.

FIG. 11

Air Conditioner
Return Air
Opening

Hold Ceiling Template With
One Hand And Install 3
Mounting Bolts Finger Tight

8. Hold the ceiling template with one hand and with the
other, install the three 1/4" mounting bolts through
the template and into the base pan.

a. Finger-tighten the bolts and check alignment.

There should be an equal opening on each side
and the rear flange must be tight against the roof
opening.

b. EVENLY tighten the three bolts to a torque

of 40 to 50 inch pounds. This will compress
the roof gasket to approximately 1/2". The
bolts are self locking so over tightening is
not necessary.

Slide Lower Air
Discharge Duct
Over Upper Duct

Roof

G. Wiring The System

WARNING

!

Disconnect 120 volt AC. Failure to follow these
instructions could create a shock hazard caus­ing death or severe personal injury .

Reach up into the return air opening and pull the re-

maining wires down.

1. Connection of 120 VAC (refer to FIG. 12)
a. Route power supply line through Romex con-

nector into junction box. Tighten connector,
being careful not to pinch or short wires.

b. Connect white to white; black to black; and

green to green or bare copper wire using appro­priate sized twist connectors.

c. Tape the twist wire connectors to the supply

wire to assure they don't vibrate off.
d. Push the wires into the box.
e. Install the cover onto the junction box.

FIG. 12

Route Power Supply
Through Romex Con­nector

Plug Conduit
Into Switch

Install
Cover

Box

CAUTION

If bolts are left loose there may not be an ad­equate roof seal or if over tightened, damage
may occur to the air conditioner base or ceil­ing template. Tighten to torque specifications
listed in this manual.

Note: If optional electric heater is part of this installation, now

is the time to install it. Installation instructions are provided
with the electric heater kit.

f. Plug the electrical conduit from the upper unit

into the mating switch box connector. See FIG.

12.

7

600312 & 600315 Series Installation Instructions

H. Air Distribution Box Installation

1. Remove the two return air grills and filters.

2. Slide the front end of the air box over the shafts of
the thermostat and selector switch. See FIG. 13.

FIG. 13

Slide Air Box over Controls

3. Install four screws through legs in air box into the
pre-punched holes in the ceiling template.

4. Install the return air grills and filters by simply push­ing them into place.

5. Install the two knobs provided on the ends of the
thermostat and selector switch shafts.

6. The power supply to the air conditioner may now be
turned “ON”.

7. Your air conditioner is now installed and ready for
operation. Please read the following instructions be­fore attempting to run the unit.

OPERATING INSTRUCTIONS

A. Controls

1. The Selector Switch has eight positions including
"OFF". This controls fan speed, heating mode, and
cooling modes. See FIG. 14.

FIG. 14

B. Cooling Operation

1. Set the thermostat at the desired temperature level.

2. Select the fan speed that best satisfies your needs:
a. HIGH COOL: Selected when maximum cool-

ing and dehumidification required.

b. MED COOL: Selected when normal or average

cooling required.

c. LOW COOL: Selected when room at desired

comfort level and needs to be maintained.
Normally this speed used for night time opera-

tion.
Note: The blower runs continuously to circulate air and
maintain an even temperature. The compressor will come on
as cooling is required to maintain the selected temperature

level.

C. Fan Operation:

1. This will circulate the air in your RV without cooling
or heating. There are three positions: HIGH FAN,
MED FAN or LOW FAN to select from, depending
upon personal choice. See FIG.14.

D. Heating Operation: (With Optional Heat Kit

Installed)

Note: This electric heater will not replace a furnace for

heating your RV in cold weather. The intent is to remove the
chill on cool days or mornings.

1. Turn the selector switch to "OPT HEAT". See FIG.
14

2. The Heater will come on and begin heating.

3. When desired temperature level in RV is reached,
move the selector switch to "OFF" or "FAN" posi­tion.

Note: Thermostat does not control heater ON/OFF cycle.)

Selector Switch

2. The thermostat controls the compressor ON/OFF
operation in cooling temperature range of 65° to
90°F. See FIG. 15.

FIG. 15

THERMOSTAT

WARM

Note: The thermostat does not control the unit optional
electric heater if installed.

COOL

E. "OFF" Position

1. This is to turn Unit off.

G. Customer Maintenance

1. Periodically remove the return air filters located
above the removable panels in the air box. Wash the
filters with soap and warm water, let dry and the
reinstall.

Note: Never run the air conditioner without return air filter in
place. This may plug the unit evaporator coil with dirt and may
substantially affect the performance of the unit.

2. Clean air box housing and control panel with a soft
cloth dampened with a mild detergent. Never use
furniture polish or scouring powders.

3. The blower motor is factory lubricated and requires
no service under normal use.

8

600312 & 600315 Series Installation Instructions

4. Under certain conditions, frost may form on the
evaporator coil. If this should occur, inspect the filter

and clean if dirty. Make sure air louvers are not
obstructed. Air conditioners have a greater ten­dency to frost when the outside temperature is
relatively low. This may be prevented by adjusting
the thermostat control knob to a warmer setting
(counter clockwise). Should frosting continue, oper­ate on LOW, MED, or HIGH FAN only setting
until the cooling coil is free of frost.

5. If your unit fails to operate or operated improperly,
check the following before calling your service cen­ter.
a. If RV connected to motor generator, check to be

sure motor generator is running and producing
power.

b. If RV connected to power supply by a land line,

check to be sure line is sized properly to run air
conditioner load and it is plugged into power
supply.

c. Check your fuse or circuit breaker to see if it is

open.

d. After the above checks, call your local service

center for further help. This unit must serviced
by qualified service personnel only.

6. When calling for service, always give the following:
a. Air Conditioner Model and Serial Number found

on rating plate located on base pan of air
conditioner bottom.

b. Air Distribution Box Kit Part and Serial Number

found on rating plate located on ceiling tem­plate. Observe this rating plate through the air
box filter grill opening.

FIG. 16

Air Conditioner

Roof Opening

Mounting
Bolts

Air Box

Roof Mount Assembly

Rear

Upper
Discharge
Duct

Ceiling
Template

9

115 VAC 60 HZ, 10
USE COPPER CONDUCTORS ONLY

FIELD WIRING
LINE SPLICE

115 VA C

RUN CAP

SWITCH CONNECTION

HI FAN
MED FAN
LOW FAN

LOW COOL

MED COOL

HI COOL

600312 & 600315 Series Installation Instructions

RUN CAP

SOME MODELS

NOT USED ON

6 PIN CONN

AIR CONDITIONER WIRING DIAGRAM

GRN/YEL

FAN

C

HERM

RUN CAP

BRN

WHT

RED

MOTOR

WHT

COMPRESSOR

WHT

COMP STARTER
START

PTCR

CAP

*

C

S

R

*

O.L.

BLU

BLK

YEL

RED

WHT

RED

GRN/YEL

PASSED

DIELECTRIC

6 PIN CONN

1

2

3

4

5

6

NOT USED ON

*

SOME MODELS

3308032.008

YEL

RED

1
2

3
4

5

BLK

1 2

L1 C H

4

BLK

ROTARY
SWITCH

6

GRN/YEL

BLU

BLU

BLK

TSTAT

GRN/YEL

115 VAC 60 HZ, 10
USE COPPER CONDUCTORS ONLY

WHT

WHT

AIR BOX WIRING DIAGRAM

BLU

YEL

RED

WHT

GRN/YEL

WHT

BLK

1

3

WHT

BRN

GRN/YEL

MOTOR

FAN

C

HERM

RUN
CAP

WHT

HEAT ACCESSORY

ELEMENT

BLK

WHT

FACTORY WIRING
FIELD WIRING
LINE SPLICE

WHT

COMPRESSOR

RED

LIMIT SWITCH

10

R

BLK

O.L.

S

C

PTCR

RED

START CAP

RED

COMP

THERMOSTAT

SWITCH

C

1
2

4
H

L1

OFF
HI FAN
MED FAN
LOW FAN

R

C

S

RUN CAP

MOTOR

HEATACCESSORY

115 VA C

SWITCH CONNECTION

HI COOL

L1-1

MED COOL

L1-2

LOW COOL

L1-4 L1-4-H

HEAT

START CAP

PTCR

HERM

C

FAN

L1-1-C
L1-2-C
L1-4-C

3105418.010