Dometic 620615.321 Installation & Operating Instructions Manual Download Page 8

8

CAUTION

FRONT

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

4.

Place the return air kit inside the RV. This box
contains mounting hardware for the air conditioner
and will be used inside the RV.

This completes the outside work, Minor adjustments
can be done from inside of the RV if required.

G. Installing Air Conditioner

Installing unit with 3105007.XXX or 3105935.XXX
Return Air Cover. For unit with Genesis Air Filtra-
tion System see page 10.

1.

Installation Of Ceiling Template

a. Check gasket alignment of the air conditioner

over the roof opening and adjust if necessary.
Unit may be moved from below by slightly lift-
ing. See FIG. 12.

b. Remove return air cover and ceiling template

from the 3105007.XXX or 3105935.XXX kit car-
ton.

FIG. 12

Center Unit From Below

Roof
Gasket

Flat Four Conductor Cable

RJ-11 Connector

Pin 1

FIG. 9C

F. Placing The Air Conditioner On The Roof.

1.

Remove the air conditioner from the carton and

discard carton.

2.

Place the 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.

3.

Lift and place the unit over the prepared opening
using the gasket on the unit as a guide.

FIG. 10

FIG. 9A

FIG. 9B

c.

The control cable must be terminated with two
(2) RJ-11 telephone connectors. Refer to the
crimp tool manufacture for crimping instruc-
tions.

Important: 

RJ-11 connectors must be installed as

shown in FIG. 9A & 9C.

620615, 620625 & 620626 Installation & Operating Instructions

FIG. 11

Summary of Contents for 620615.321

Page 1: ...s manual must be read and un derstood before installation adjust ment service ormaintenanceisper formed This unit must be installed by a qualified service technician Modification of this product can b...

Page 2: ...at gain accesso ries 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...

Page 3: ...ating Rated Load Locked Rated Load Locked Speed Static R 22 Oz Wire Size Protection Weight Generator BTU HR Amps Rotor Amps Rotor Max Min Max Min User Pounds Size Cooling Amps Amps W C Supplied 1Unit...

Page 4: ...of vent is available or another location is desired the following is recom mended a For one unit installation The air conditioner should be mounted slightly forward of center front to back and centere...

Page 5: ...ditionerandmustbe finished in accordance with NFPA Standard 501C Section 2 7 2 Do Not Cut RoofStrucure OrRafters Good Rafters Supported By CrossBeams Good Location Between Roof Rafters 2 RoofVentRemov...

Page 6: ...nate configura tions and methods must be approved by the Dometic Corporation in writing The following instructions are based upon the use of Dometic Return Air Kits 3105007 XXX 3105935 XXX or 3308120...

Page 7: ...serve the following general rules in determiningthelocationandsubmitlocationto Dometicforapproval Locate the Receiver 54 above the floor NEVERexposeittodirectheatfromlamps sun or other heat producing...

Page 8: ...by slightly lift ing See FIG 12 b Remove return air cover and ceiling template from the 3105007 XXX or 3105935 XXX kit car ton FIG 12 Center Unit From Below Roof Gasket Flat Four Conductor Cable RJ 1...

Page 9: ...Below Roof Gasket FIG 14 DC Power Supply Receiver Leads Furnace Furnace Tstat Con nection From A C EVENLY tighten the bolts to a torque of 40 to 50 inch pounds This will compress the roof gasket to ap...

Page 10: ...tor in the junc tion box b Installing Foam Divider 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 adh...

Page 11: ...er duct installation refer to all Non Center Duct Installations Section 1on page 10 Important A duct adapter not supplied must be installed between the unit discharge and the customer installed cen te...

Page 12: ...the return air open ing above the center duct before ceiling tem plate c Install Ceiling Template Apply a piece of foam weather stripping not supplied to the upper side of ceiling tem plate to make a...

Page 13: ...assure they don t vibrate off d Push the wires into the box e Install the cover onto the junction box I Decorative Cover Installation Installing unit with 3105007 XXX or 3105935 XXX Return Air Cover...

Page 14: ...e red positive 12VDC supply wire See FIG 23 b Connect the black wire from the air conditioner and the black wire from the filter indicator light with the black negative 12VDC supply wire See FIG 23 No...

Page 15: ...uct System Only Depth 2 0 In Min 2 0 Max Width 8 0 In Min 8 0 In Max Total Duct Length 15 0 Ft Min 40 Ft Max Duct Length Short Run 1 3 Total Length Register Requirements Number Required Per Run 4 Min...

Page 16: ...er Required Roof Rafters Roof Rafters Note Duct Size is Inside Dimensions Note Duct Size Is Inside Dimensions Short Duct Run Minimum 1 3 Total Duct Length Short Duct Run Minimum 1 3 Total Duct Length...

Page 17: ...tery symbol will appear in the dis play window b When the low battery condition exists and the remote sends a signal to the receiver it may be possible for the control system to go to the default sett...

Page 18: ...played a High Speed continuous fan operation b Low Speed continuous fan operation 3 The receiver will beep when each change is com pleted The GREEN LED will light H Room Temperature Display 1 Press th...

Page 19: ...batteries are installed the clock will display 0 00 b Clock shows only military time c Push the clock button the clock display should blink I FEEL I FEEL d Press and hold the UP or DOWN but ton to set...

Page 20: ...NO TO 115 VAC 1O 60 Hz TO 115 VAC 1O 60 Hz HEAT ACCESSORY WHT BLK BLK ELEMENT LIMIT 3 1 SWITCH WHT BLK OL WHT FREEZE BLK BLK NOT AVAILABLE ON SOME ON SOME MODELS T5 T6 T9 T10 T7 T8 COUPLERS IN LINE I...

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