Manuals / Dometic / Household Appliance / Air Conditioner

Dometic 39726.501, 39726.506, 39626.501 Return System, Minimum Maximum, Supply Wire Installation

Models: 39626.506 39726.501 39626.501 39726.506

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INSTALLATION INSTRUCTIONS

RETURN SYSTEM

Return to be 6 ft. minimun from floor.

Use wall structure for delivery to basement area. Return grille must be filtered.

Minimun return required per duct sizing for unit to perform within Engineer specifications. See Chart below.

 

MINIMUM

MAXIMUM

 

 

 

 

 

SIDE RETURN

135IN.2

291 IN.2

INSULATED DUCT

Minimum

Maximum

 

 

45 IN. 2

80 IN. 2

 

 

(3 " depth Min.)

FIG. 3.4

ADDITIONAL REQUIREMENTS:

 

REGISTERREQUIREMENTS

 

REQ.SIZE

MIN. QTY.

 

4 X 6

8

 

4 X 8

6

 

4 X 10

5

 

 

 

 

4 X 12

4

 

 

 

Supply Duct must be insulated. Supply Duct from air conditioner must be equal to or greater

in IN.2 as the floor ductwork.

Use 45 degree angle on inlets & outlets

Damper required in furnace. Vibration isolators should be used at each mounting point.

12 VDC required for thermostat operation.

Condenser air inlet.

Condenser air outlet (bottom)

Must be isolated from condenser inlet air.

Electric box access required.

Circuit #1 - 25 Amp

Circuit #2 - 15Amp

3.3ELECTRICAL WIRING

!WARNING

This product is equipped with a 3-wire (grounded) system for protection against shock hazard. Make sure that the appliance is wired into a properly grounded 1volt AC circuit and the polarity is correct. Failure to do so could result in death, personal injury or damage to the equipment.

3.3.1SUPPLY WIRE INSTALLATION

A.Locate the unit electrical box. Remove the cover from the electrical box.

B.Each electrical circuit are grouped together with a wire tie.

CIR. #1: Black, White and Green w/yellow

CIR. #2: Orange, Gray and Green w/yellow

C.Route two independent supply circuits of properly sized copper conductors to the air conditioner electri- cal box.

1.Circuit #1 should carry a 25 Amp load.

2.Circuit #2 a 15 Amp load.

D.Circuit #1 should be wired directly from the coach's main breaker panel.

E.Circuit #2 should be wired through the on-board generator or a separate power cord dedicated to Circuit #2.

Note: A standard 30 amp hookup will not power both Circuit 1 and Circuit 2 and the coach's other major appliances.

3.3.2SUPPLY WIRE CONNECTION

A.Connect main power supply Cir. #1 to unit electrical box with approved Romex connectors.

B.Using wire nuts attach the main power supply black "Hot" to the units black wire, and white to the white wire. Attach the main power supply ground wire to the Green w/yellow wire.

C.Connect the secondary power supply Cir. #2 to unit electrical box with approved Romex connectors. Use wire nuts to attach black "Hot" to orange wire of circuit #2. and power supply white to the gray wire. Attach the ground wire of circuit #2 to the green w/yellow wire.

3.4.0CONTROL SYSTEM WIRING

3.4.1CONNECTION OF LOW VOLTAGE WIRES

A.Route Remote Temperature Sensor Cable, (required for additional units or if used), through the low voltage port on the electrical box and attach it the "white (P4)" plug on main board.

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Dometic 39726.501, 39726.506, 39626.501 Return System, Minimum Maximum, Supply Wire Installation, Supply Wire Connection
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39626.506, 39726.501, 39626.501, 39726.506 specifications

The Dometic 39726.506, 39626.501, 39726.501, and 39626.506 are versatile and well-engineered products designed to enhance the comfort and convenience of outdoor enthusiasts and travelers. These models are primarily known for their compatibility with various vehicle types, including RVs, campers, and trailers, making them essential for anyone seeking a reliable solution for food storage and cooking on the go.

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