Dometic 3308120.XXX operating instructions Installation of Unit, Placing the Unit on the Roof

3308120.XXX GENESIS AIR FILTRATION SYSTEM

5.The 14-1/4" (±1/8") opening is part of the return air system of the air conditioner and must be finished in accordance with NFPA Standard 501C Section 2.7.

C.AIR DISTRIBUTION DUCT INSTALLATION

Install the air distribution ducts in the RV roof cavity. The distribution system must meet:

1.RV’s requirements

2.System requirements listed in Section 3 of this Manual. Terminate the start of the duct at the back edge of the 14-1/4" (±1/8") opening previously cut.

FIG. 2		TOP VIEW
		(BACK OF RV)
		FRAME
	DUCT	14-1/4" (±1/8”)
		OPENING	DUCT
FRAME
		AC POWER
		SUPPLY WIRE
		FRAME
LOW VOLTAGE WIRES:		CCC, CONTROL CABLE(S)
12VDC		or 7-Wire Analog Cable
Furnace
Load Shed
Sensors		SIDE VIEW
ROOF	(TOWARD BACK OF RV)			DUCT
INSULATION		14-1/4" (±1/8”)

D.Place the Genesis Air Filtration System and System Control Option inside the RV. These boxes contains mounting hardware for the air conditioner/heat pump and will be used inside the RV.

6. INSTALLATION OF UNIT

A.Take the Genesis Air Filtration System from the carton.

B.If the Controls are not part of the unit. Position the electrical box towards the front of the opening with all of the system control wires connected to the control box

except for the DC power. See figure 3.

FIG. 3	Wires Connected To
	Control Box
	Control
	Box

Vehicle

FrontBase

Pan

C.Locate the foam divider and insert it corner to corner in the 14-1/4" x 14-1/4" (±1/8") opening with the adhesive tape up (Do not remove paper to expose adhesive). The foam divider should be level with the ceiling (±1/4"). Tear off the excess at the pre-cut perforations in divider. See figure 4.

NOTE: If using center duct installation See Step C-1. If not center duct go to Step D.

	OPENING
DUCT	CEILING	INSULATION

5. PLACING THE UNIT ON THE ROOF

A.Remove the air conditioner/heat pump from the carton.

B.Place the air conditioner/heat pump on the roof.

!WARNING

This unit weighs approximately 100 pounds. To prevent back injury, use a mechanical

FIG. 4
Upside	Base Pan
Down
Foam
Divider

Place Foam Divider in 14-1/4" x 14-1/4" (±1/8") Ceiling Opening Against Base Pan Bottom

Do not Peel Tape Off Foam Divider

Ceiling

Foam Divider Ceiling

Level (±1/4") Tear Off

Excess

hoist to place air conditioner/heat pump on roof.

C.Lift and place the unit over the prepared opening using the gasket on unit as a guide. The roof gasket on the bottom of the base pan goes toward the front of the RV. Sliding the unit on the roof will damage the roof gasket.

CAUTION

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

Note: If center duct system is being used, be sure to install duct adapter to the bottom of the base pan, before unit is placed over opening. Duct adapter 3100342.XXX and 3100262.XXX can be used. Alternate methods of duct connection are available for installation; however, they must be approved in writing by Dometic.

1. Center Duct Installation (Penguin 620 & 630 Series Only)

a. See Step B.

b. Cut notch in the center section of the foam divider to fit duct (approximately 8 x 2 inches) . See figure 5.

FIG. 5	Foam
Tape Covered	Divider
Adhesive
	Mark And Cut 8 x 2”
	Opening For Center
	Duct

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