Specifications; Roof Requirements - Dometic 640315 series Installation Instructions Manual

SPECIFICATIONS

A. Table - Unit Data
Model No. Nominal Electrical
Capacity Rating
(BTU HR) 120 Vac
Cooling 60 Hz 1 ph
640312.30X 11,000
640312C35X 11,000
640312.80X 11,000
640312.83X 11,000
640312C85X 11,000
640315.30X 13,500
640315C35X 13,500
640315.80X 13,500
640315.83X 13,500
640315.84X 13,500
640315C85X 13,500
* 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

● A 14-1/4" x 14-1/4" (±1/8") square opening (hereinafter referred to as "roof opening") is required for installing this
unit. This opening is part of the return air system of the unit and MUST be finished in accordance with NFPA 1192.
● Roof construction with rafters/joists support frames on a minimum of 16 inch centers.
● Minimum of 2 inches and maximum of 5-1/2 inches distance between roof to ceiling of RV.
C. Table - Air Distribution Duct Sizing & Design
Roof Cavity Depth
Duct Cross Sectional Area
*Duct Size
Depth
Width
Total Duct Length
Duct Length (short run)
Register Requirements per A/C Unit
Number Required
Register Free Air Area
Distance From Duct End
Distance From Elbow
Total System Static Air Pressure
Blower at High Speed,
Filter & Grill In Place
*Duct sizes listed are inside dimensions. Duct material MUST meet or exceed any agency or RVIA Standard in effect at the
time the RV is manufactured.
Compressor Compressor Fan Motor
Rated Load Locked Rated Load
Amps Rotor Amps
Amps
10.5 53.0 3.5
10.5 53.0 3.5
11.5 53.0 2.6
12.5 63.0 2.6
11.5 53.0 2.6
12.5 61.0 3.5
12.5 61.0 3.5
12.6 63.0 2.6
12.5 63.0 2.6
12.5 63.0 3.5
12.6 63.0 2.6
Return Air Grille Kit
3105007.XXX
3105935.XXX
2.0 In. Min. - 5-1/2 In. Max.
21.0 Sq. In. Min.
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
4 Min. - 8 Max.
14.0 Sq. In.
5.0 In. Min. - 8.0 In. Max.
15.0 In.
0.12 - 0.65 In W.C.
Fan Motor Refrigerant Minimum
Locked R-410A Wire Size*
Rotor (oz) 12 AWG
Amps Copper
Up to 24'
10.0 19.0
10.0 19.0
8.5 20.0
8.5 18.0
8.5 20.0
10.0 17.5
10.0 17.5
8.5 18.0
8.5 19.0
8.5 19.0
8.5 18.0
4
AC Circuit Minimum
Protection Generator
***Installer Size**
Supplied 1 Unit / 2 Units
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW
20 Amp 3.5 kW / 5.0 kW