RECORD THIS INFORMATION FOR FUTURE REFERENCE: Model Number Serial Number ADB Model Number ADB Serial Number Date Purchased Roof Top Unit Description USA SERVICE OFFICE Dometic Corporation 1120 North Main Street Elkhart, IN 46514 For Service Center Assistance Call: Please Visit: www.Dometic.com Air Conditioner Model 640312 640315 Use With Air Distribution Box Model Single Zone LCD Electronic Control Kit 3107561.XXX 3313189.000 Cool/Furn White 3313189.
INTRODUCTION This air conditioner (hereinafter referred to as “unit” or “product”) is designed and intended for installation on the roof of a Recreational Vehicle (RV) during the time it is manufactured. This unit can be installed by one person with brief help from additional personnel. Use the following procedure to ensure a properly installed, and properly functioning product. Dometic, LLC reserves the right to modify appearances and specifications without notice. TABLE OF CONTENTS INTRODUCTION..........
IMPORTANT SAFETY INSTRUCTIONS C. This manual has safety information and instructions to help users eliminate or reduce the risk of accidents and injuries. A. Read and follow all safety information and instructions to avoid possible injury or death. Recognize Safety Information Read and understand these instructions before [installing / using / servicing / performing maintenance] on this product. This is the safety alert symbol. It is used to alert you to potential physical injury hazards.
SPECIFICATIONS A. Table - Unit Data Model No. Nominal Capacity (BTU HR) Cooling Electrical Rating 120 Vac 60 Hz 1 ph Compressor Compressor Fan Motor Fan Motor Rated Load Locked Rated Load Locked Amps Rotor Amps Rotor Amps Amps Refrigerant R-410A (Oz) Minimum Wire Size* 12 AWG Copper Up to 24′ AC Circuit Protection ***Installer Supplied Minimum Generator Size** 1 Unit / 2 Units 640312.30X 11,000 10.5 53.0 3.5 10.0 19.0 20 Amp 3.5 kW / 5.0 kW 640312C35X 11,000 10.5 53.0 3.5 10.0 19.
INSTALLATION PROCEDURE A. Choosing Proper Location For Unit FIG. 2 This unit 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.
INSTALLATION PROCEDURE 4. If system includes a gas furnace, route two 18 gauge thermostat wires from the furnace to the roof opening of the unit that will control it. If more than one furnace is to be used, route the second set of thermostat wires to the second unit. Make sure that 15″ of wire extends into the opening. FIG. 3 Do Not Cut Roof Structure Or Rafters 3/4″ Min.
INSTALLATION INSTRUCTIONS 4. Place the air distribution box kit inside the RV. This box contains mounting hardware for the unit and will be used inside the RV. This completes the outside work. Minor adjustments can be done from inside the RV if required. COMMS 12V+ 12V- FIG. 4 G. Installation Preparation 1. Check gasket alignment of the unit over the roof opening and adjust if necessary. Unit may be moved from below by slightly lifting. See (FIG. 6). FIG.
INSTALLATION PROCEDURE 5. 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. 6. Reach up into the return air opening and pull the unit electrical cord down for later connection. See (FIG. 8). 10. Plug the supplied freeze control sensor into the matching connector in the SZLCD electronic control box. 11.
INSTALLATION PROCEDURE b. c. d. e. f. I. Plug the supplied 4 wire harness and the supplied 2 blue wires into their matching connectors in the SZLCD electronic control box. Connect the previously run +12 Vdc supply wire to the red wire from the SZLCD electronic control box. Connect the previously run –12 Vdc supply wire to both the black wire from the SZLCD electronic control box and to wire of the three wire cable that goes to the thermostat 12V– terminal.
INSTALLATION PROCEDURE FIG. 13 Ceiling Template Air Distribution Box Filter Grille 5. The unit installation is now complete and is ready for operation. The power supply to the unit may now be turned “ON”. 6. Verify that all features of the installed system work. Please read the unit User’s Guide or Operating Instructions before proceeding. Check fan speeds, cooling operation, and furnace operation (if applicable).
WIRING DIAGRAM A. Unit Wiring Diagram B. Single Zone LCD Electronic Control Kit Cool/Furn Wiring Diagram (/(& &211 )520 $ & ,) 7+,6 352'8&7 ,6 6833/,(' %< $ :,5,1* 6<67(0 7+$7 ,1 $&&25'$1&( :,7+ &$1$',$1 (/(&75,& &2'( 3$57 & $1' 7+( 1$7,21$/ (/(&75,& &2'( $16, 1)3$ 12 5(48,5(6 7+( ,167$//$7,21 2) $1 (48,30(17 *5281',1* &21'8&725 25 &21'8&7256 7(50,1$/ 6 25 *5281' 6&5(: 6 )25 7+,6 385326( 0867 %( ,167$//(' *51 <(/ :+7 5(' *5< %/.
