Dometic 620425.331 User Manual

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

Dometic 620425.331 Specifications

General

Brand	Dometic
Model	620425.331
Category	Air Conditioner
Language	English

Summary

Safety Instructions

Recognize Safety Information

Identifies the safety-alert symbol for potential injury.

Understand Signal Words

Explains signal words like WARNING and CAUTION for risk levels.

Specifications

Installation Instructions

Precautions

Advises on crucial safety and procedural steps before starting installation.

Choosing Proper Location For The Air Conditioner

Guides on selecting the optimal roof location based on RV factors.

Roof Preparation

Details steps for preparing the RV roof opening for installation.

Air Distribution System Sizing & Design

Outlines requirements for duct sizing and air distribution system design.

Air Distribution System Installation

Provides guidance for installing the air distribution system components.

Wiring Requirements

Specifies the electrical wiring requirements for the unit and thermostat.

Analog Thermostat & Cable Installation

Covers the proper installation and wiring of the analog thermostat.

Placing Air Conditioner On The Roof

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

Installing The Air Conditioner

Covers the physical installation of the main unit and its components.

Wiring The System

Details the low voltage and high voltage wiring connections for the system.

Installing Decorative Inside Cover

Details the process of installing the interior decorative cover and grill.