Dometic 3311931.000-20 User Manual

Read these instructions carefully. These
instructions MUST stay with this product.
USA
SERVICE OFFICE
Dometic Corporation
1120 North Main Street
Elkhart, IN 46514
CANADA
Dometic Corporation
46 Zatonski, Unit 3
Brantford, ON N3T 5L8
CANADA
SERVICE CENTER &
DEALER LOCATIONS
Please Visit:
www.eDometic.com
RECORD THIS INFORMATION FOR FUTURE
REFERENCE:
Model Number
Serial Number
Date Purchased
This Unit is designed for OEM installation. All initial installations must be approved by Dometic Corporation.
Roof Top Unit Used With 3105007.XXX OR 3105935.XXX Return Air Grille
Description Blizzard NXT
TM
Model
Electronic Control Kit Thermostat Optional Indoor
Temperature
Sensor
Air Conditioner
CCC 2 Controls H540315
H540316
3312020.000 3314082.000 CCC 2-Blk
3314082.011 CCC 2-Wht
3311931.000-20′
3311931.012-40′
3311931.020-60′
LCD SZ Controls H540315
H540316
3313189.000 C/F-Wht
3313189.015 C/F-Blk
3313192.000 C/F-Wht
3313192.019 C/F-Blk
N/A
REVISION A
Form No. 3316207.000 09/16
(French 3316208.000_A)
©2016 Dometic Corporation
LaGrange, IN 46761
INSTALLATION
INSTRUCTIONS

Dometic 3311931.000-20 Specifications

General

Model	3311931.000-20
Cooling Capacity	13, 500 BTU/h
Hertz	60 Hz
Type	Rooftop Air Conditioner
Voltage	115V
Refrigerant	R410A

Summary

Important Safety Instructions

Supplemental Directives

General Safety Messages

Provides critical warnings about professional installation, product modification, and accessories.

Installation Instructions

Choosing Proper Location For Unit

Guides selection of the optimal roof location considering RV size, insulation, and comfort.

Roof Preparation

Details crucial safety steps and procedures for cutting the roof opening for the unit.

Air Distribution Duct Sizing & Design

Wiring Requirements

Outlines routing and connection procedures for 120 Vac, 12 Vdc, and thermostat communication cables.

Choosing Thermostat Location

Thermostat, Optional Indoor Temperature Sensor & Thermostat Communication Cable Installation

Details the physical installation and connection of thermostat components.

Placing Unit On Roof

Instructions for safely lifting and positioning the air conditioner unit onto the RV roof.

Installing Unit

Covers final unit placement, gasket alignment, and securing the unit to the RV roof.

Divider Plate Installation

LCD SZ System Low Voltage Wire Connections

CCC 2 System Low Voltage Wire Connections

120 Vac Power Supply Connection

Instructions for safely connecting the 120 Vac power supply to the unit.

System Configuration

Installing Return Air Cover

Wiring Diagrams