Dometic 620515.336, 630515.336, 630515.331 Wiring The System, Ceiling Template Weather Strip

620515, 620525, 620526, 630515 & 630516 Installation Instructions

•Place the foam divider in the return air open- ing above the center duct before installing ceiling template.

c.Install Ceiling Template

•Apply a piece of foam weather stripping (not supplied) to the upper side of ceiling tem- plate to make a seal between it and the duct. Use a soft piece of foam weather strip 1 x 3/4 x 10 inches. See FIG. 24.

FIG. 24	Stick Weather Strip To Top
	Of Ceiling Template

Ceiling

Template

Weather Strip

d.Start each mounting bolt through the ceiling tem- plate and up into the unit base pan by hand.

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.

CAUTION

If bolts are left loose there may not be ad- equate roof seal or if over tightened, damage may occur to the air conditioner base or ceil- ing template. Tighten to specifications listed in this manual.

e.Use Aluminum foil tape (not supplied) to seal the ends of the foam divider to the sides of the opening. Make sure the area behind the flange on the ceiling template is sealed. See FIG. 22.

CAUTION

Improper installation and sealing of foam di- vider will cause the compressor to quick cycle on the cold control. This may result in fuse or circuit breaker opening and/or lack of cool- ing.

f.Cut the opening in the center duct using the discharge opening in the ceiling template for a pattern. Seal the center duct to the ceiling tem- plate using foil tape, foam insulation or silicon sealant.

H. Wiring The System

Reach up into the return air opening and pull the re- maining wires down.

1. Connection Of Low Voltage Wires

CAUTION

Disconnect the positive (+) 12 volt DC termi- nal at the supply battery. Damage to equip- ment could occur if the 12 volt DC is not shut off.

Note: If solar panel is installed see instructions packaged with solar panel option.

Note: If using the Genesis Air Filtration System step "b" is to be completed when installing the decorative cover.

a.Route Remote Temperature Sensor cable, if applicable, and attach it to the connector that matches its color in the control box.

b.Connect the previously run 12 VDC to the red and black wires protruding from the control box. (In multiple zone installations, this needs to be

done at 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 control box. 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 control box. The polar- ity 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 atelephoneRJ-11-6C4Pconnector.Refertothe crimp tool manufacturer for crimping instruc- tions.

Important: RJ-11-6C4P connectors must be installed as shown in FIG. 8A, 8B & 8C.

f.Plug the control cable(s) into the telephone jack(s) on the control box. (It does not matter which one.)

g.Locate the ambient sensor plug coming from the unit, and attach it to the connector that matches its color in the control box.

2.Connection Of 120 Volt Power Supply

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

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