Dometic 620515.326 Specifications download pdf (Page 9)

b. Connect the previously run 12 VDC to the red

and black wires protruding from the return air

opening. (In multiple zone installations, this

needs to be doneat only one zone.) Connect

+12 VDC to the red wire; –12 VDC to the black

wire.

c. Connect the previously run furnace thermostat

wires (if applicable) to the blue wires protruding

from the return air opening. The polarity of these

connections does not matter.

d. Connect the previously run Energy Manage-

ment System wires (if applicable) to the yellow

wires protruding from the return air opening. The

polarity of these connections does not matter.

e. Terminate the 4-conductor control cable(s) pro-

truding into the 14-1/4" x 14-1/4" (±1/8") roof

opening. The cable(s) must be terminated with

a telephone RJ-11 connector. Refer to the crimp

tool manufacturer for crimping instructions.

Important: RJ-11 connectors must be installed as

shown in FIG. 7A & 7C.

f. Plug the control cable(s) into the telephone

jack(s) protruding from the return air opening. (It

does not matter which one.)

2. Connection Of 115 Volt Power Supply

Disconnect 115 volt AC. Failure to follow these

instructions could create a shock hazard

causing death or severe personal injury.

a. Route power supply line through Romex con-

nector and into junction box on side away from

the ceiling template. Tighten connector.

This product is equipped with a 3-wire

(grounded) system for protection against

shock hazard. Make sure that the prduct is

wired into a properly grounded 115 volt AC

circuit and the polarity is correct. Failure to do

so could result in death, personal injury or

damage to the equipment.

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

green to green or bare copper wire using appro-

priate 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. 17

Junction

Box Cover

Junction Box

Air Conditioner

Mounting bolts

14-1/4" x 14-1/4" (±1/8")

Opening

Discharge Air

Duct

Ceiling

Template

I. Air Box Installation

1. Remove the two filter-grilles from the air box.

2. Slide the air box over the ceiling template.

3. Install the four (4) sharp pointed screws through the

air box legs and into the pre-punched holes in ceiling

template.

Note: There are four optional mounting holes on the outer

edge of the return air opening for which no screws are

provided. These are only required where an uneven ceiling

does not allow proper fitting of the air box.

4. Install the filter-grilles by pushing them into place.

See FIG. 18.

ELING T EMPLATE

AIR BOX

FIG. 18

CEILING TEMPLATE

AIR BOX

J. System Configuration, Reset & Check Out

Now that the system is installed, it is necessary to check all

operations and then configure the electronics. Refer to the

operating manual for a description of the air conditioner

operation.

1. Electronic Control Kit Configuration

Depending on the equipment options installed by the

recreational vehicle manufacturer, the appropriate dip

switches will need to be switched to the "ON" position.

See FIG. 19. Placing the switch in the "ON" position

selects that option.

Note: Dip switches are in the "OFF" position when shipped

from the factory except for models supplied with the heat strip

factory installed, (620515).For this model , the #1 dip switch

will be in the "ON" position. To gain access to the dip

switches, theshroud must be removed from the unit. Remove

the four mounting screws around the perimeter of the unit.

Next remove the electrical box cover. (The electrical box will

be on the curb side of the RV after installation).

620515, 620525, 620526, 630515 & 630516 Installation Instructions

1 2 3 4 5 6 7 8 9 10 11 12

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Dometic 620515.326 Specifications Page 9

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