Dometic 640312 Series User Manual

INSTALLATION & OPERATING
INSTRUCTIONS
REVISION A
Form No. 3312501.012 08/16
(French 3312703.014_A)
©2016 Dometic Corporation
LaGrange, IN 46761
RECORD THIS UNIT INFORMATION
FOR FUTURE REFERENCE:
Model Number
Serial Number
ADB Number
ADB Serial Number
Date Purchased
USA
SERVICE OFFICE
Dometic Corporation
1120 North Main Street
Elkhart, IN 46514
CANADA
Dometic Corporation
46 Zatonski, Unit 3
Brantford, Ontario
CANADA N3T 5L8
For Service Center &
Dealer Locations
Please Visit:
www.eDometic.com
Note: Installation requires a #2 Phillips screwdriver
with 9/32" maximum diameter x 1-1/4" minimum length.
640312.30X
640312C35X
640312.80X
640312.83X
640312C85X
640315.30X
MODELS
Roof Top Unit
Description Model Use With Air Distribution Box
Model Control Electric Heat
Air Conditioner 640312
640315
3310741.XXX Integral Mechanical N/A
This manual must be read and
understood before installation,
adjustment, service, or mainte-
nance is performed. This unit must
be installed by a qualied service
technician. Modification of this
product can be extremely hazard-
ous 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 ce produit doit être
effectuée par un réparateur qualié.
Toute modication de ce produit peut
être extrêmement dangereuse et
entraîner des blessures ou dommages
matériels.
640315C35X
640315.80X
640315.83X
640315.84X
640315C85X
Read these instructions carefully. These
instructions MUST stay with this product.

Dometic 640312 Series Specifications

General

Brand	Dometic
Model	640312 Series
Category	Air Conditioner
Language	English

Summary

IMPORTANT SAFETY INSTRUCTIONS

RECOGNIZE SAFETY INFORMATION

Describes the safety alert symbol and its purpose.

UNDERSTAND SIGNAL WORDS

Explains signal words like WARNING, CAUTION, NOTICE.

GENERAL INFORMATION

D. Condensation

Explains condensation and its causes.

SPECIFICATIONS

INSTALLATION INSTRUCTIONS

A. Precautions

Lists essential safety precautions for installation.

B. Choosing Proper Location For The Unit

Guides on selecting the best installation location for the unit.

C. Roof Preparation

Details on preparing the roof opening for unit installation.

D. Wiring Requirements

Specifies the necessary wiring and connections for the unit.

E. Placing The Unit On The Roof

Instructions for safely positioning the unit onto the RV roof.

F. Installing The Unit

Details on securing the unit and making electrical connections.

G. Air Distribution Box Installation

Step-by-step guide for installing the air distribution box.

OPERATING INSTRUCTIONS

A. 3310741 Air Distribution Box With Mechanical Controls

Explains the operation of the control box and settings.

MAINTENANCE

A. Air Filter

Instructions for cleaning and maintaining the air filters.

B. Air Distribution Box Housing

Guidance on cleaning the air distribution box.

C. Fan Motor

Information regarding the blower motor's lubrication.

D. Frost Formation On Cooling Coil

Explains frost formation and troubleshooting steps.

SERVICE-UNIT DOES NOT OPERATE

A. If RV connected to motor generator...

Checks for generator power.

B. If RV connected to power supply...

Checks for land line power supply.

C. Check your fuse or circuit breaker...

Verifies fuse and circuit breaker status.

D. After the above checks...

Advices contacting service center.

E. When calling for service...

Information needed when calling for service.

WIRING DIAGRAMS