4
A. Table - Unit Data
Model No. Nominal
Capacity
(BTU HR)
Cooling
Electrical
Rating
120 Vac
60 Hz 1 ph
Compressor
Rated Load
Amps
Compressor
Locked
Rotor
Amps
Fan Motor
Rated Load
Amps
Fan Motor
Locked
Rotor
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
H540315.72X 13,500 12.7 68.0 2.8 8.0 19.5 20 Amp 3.5 kW / 5.0 kW
H540316.72X 15,000 13.2 70.0 2.8 8.0 21.0 20 Amp 3.5 kW / 5.0 kW
* For wire length over 24 ft., consult the National Electrical Code for proper sizing.
** Dometic Corporation gives GENERAL guidelines for generator requirements. These guidelines come from experiences
people have had in actual applications. When sizing the generator, the total power usage of your RV must be considered.
Keep in mind generators lose power at high altitudes and from lack of maintenance.
*** CIRCUIT PROTECTION: Time Delay Fuse or Circuit Breaker Required.
B. Roof Requirements
● A14-1/4″x14-1/4″(±1/8″)squareopening(hereinafterreferredtoas“roofopening”)isrequiredforinstallingthis
unit. This opening is part of the return air system of the unit and MUSTbenishedinaccordancewithNFPA1192.
● Roof construction with rafters/joists support frames on a minimum of 16 inch centers.
● Minimum of 2 inches and maximum of 5 inches distance between roof to ceiling of RV.
C. Table - Air Distribution Duct Sizing & Design
Return Air Grille Kit
3105007.XXX
3105935.XXX
Roof Cavity Depth 2.0 In. Min. - 5 In. Max.
Duct Cross Sectional Area 21.0 Sq. In. Min.
Duct Size
Depth
Width
Total Duct Length
Duct Length (short run)
1-1/2 In. Min. - 2-1/2 In. Max.
7.0 In. Min. - 10.0 In. Max.
15.0 Ft. Min. - 40.0 Ft. Max.
1/3 Total Duct Length
Register Requirements
Number Required
Supply Register Free Air Area
Return Register Free Air Area
Distance From Duct End
Distance From Elbow
4 Min.
14.0 Sq. In.
40.0 Sq. In.
5.0 In. Min. - 8.0 In. Max.
15.0 In.
Total System Static Air Pressure
Blower at High Speed,
Filter & Grille In Place
0.55 - 1.10 In. W.C.
SPECIFICATIONS