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Dometic 620426.331 User Manual

Dometic 620426.331
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1
INSTALLATION
INSTRUCTIONS
USA
SERVICE OFFICE
Dometic Corporation
2320 Industrial Parkway
Elkhart, IN 46515
574-294-2511
CANADA
Dometic Distribution
866 Langs Drive
Cambridge, Ontario
CANADA N3H 2N7
519-653-4390
For Service Center
Assistance Call:
800-544-4881
Important: These Instructions
must stay with unit.
Owner read carefully.
RECORD THIS UNIT INFORMATION FOR
FUTURE REFERENCE:
Model Number
Serial Number
Date Purchased
C
U
S
This manual must be read and un-
derstood before installation, ad-
justment, service, or maintenance
is performed. This unit must be in-
stalled by a qualified service tech-
nician. Modification of this product
can be extremely hazardous and
could result in personal injury or
property damage.
Lire et comprendre ce manuel avant de
procéder à l'installation, à des réglages,
de l'entretien ou des réparations.
L'installation de cet appareil doit être
effectuée par un réparateur qualifié.
Toute modification de cet appareil peut
être extrêmement dangereuse et
entraîner des blessures ou dommages
matériels.
MODEL 6204XX
Roof-Top Air Conditioner
THIS UNIT IS DESIGNED FOR OEM INSTALLATION
ALL INITIAL INSTALLATIONS MUST BE APPROVED BY THE SALES DEPT.
Models
620412.331
620415.331
620415.336
620425.331
620425.336
620426.331
620426.336
REVISION:
Form No. 3308970.015 2/05
(Replaces 3308970.007)
(French 3308971.013)
©2005 Dometic Corporation
LaGrange, IN 46761
used with one of following:
3105007 Return Air Cover
3105935 Quick Cool Return Air Cover
3308120 Genesis Air Filtration System
and
3106995 Analog Wall Thermostat
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Dometic 620426.331 Specifications

General IconGeneral
BrandDometic
Model620426.331
CategoryAir Conditioner
LanguageEnglish

Summary

SAFETY AND GENERAL INFORMATION

Safety Instructions

Covers safety warnings, recognizing safety information, and understanding signal words.

General Information

Provides details on product features, design purpose, and condensation.

SPECIFICATIONS

Technical Specifications Table

Presents detailed technical specifications for various models in a table format.

INSTALLATION INSTRUCTIONS

Precautions and Location Selection

Covers safety precautions, warnings, and guidance for choosing the proper installation location.

Roof Preparation

Details steps for preparing the RV roof opening, including vent removal and new openings.

Air Distribution System Design

Guides on sizing and designing the air distribution system, including charts.

Duct Size Requirements

Specifies duct size requirements for different return air cover and Genesis Air Filtration System kits.

Wiring and Thermostat Installation

Covers wiring requirements and the installation of the analog thermostat and its cable.

Placing Unit on Roof and Initial Install

Instructions for lifting the unit onto the roof and starting the installation process.

Installing Divider Plate and Mounting

Details installation of the divider plate, insulation, and tightening of mounting bolts.

Installing Genesis Air Filtration System

Steps for installing the Genesis Air Filtration System Return Air Kit.

Center Discharge Duct Installation

Specific installation steps and considerations for units with a center discharge duct.

System Wiring and Inside Cover

Covers low voltage, 120V wiring, and installation of the decorative inside cover.

Genesis Kit Final Assembly

Final steps for the Genesis Air Filtration System, including filter, grill, and handle installation.

WIRING DIAGRAMS

Field Wiring Diagram

Illustrates the field wiring connections for the air conditioner unit.

Thermostat Diagram

Shows the wiring connections for the thermostat and system switch.

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