Atwood AFMD16 Technical Installation Manual

Afm series hydro flame
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1120 North Main Street • Elkhart, IN 46514
USA & Canada : 1-866-869-3118
Internet: http://www.atwoodmobile.com
English, Français (et Canada)
This instruction manual is for use by an authorized service technician to
install an Atwood – hydro flame™ furnace. Should you require further
information, contact your dealer or Atwood Mobile Products LLC.
This furnace design has been certified for installation in recreation
vehicles as a MSP Category III furnace. Follow this installation
instruction to insure safe operation of the furnace. Failure to install
furnace according to this installation instruction nullifies the furnace
warranty.
TO THE INSTALLER:
TO THE CONSUMER:
SAFETY ALERT SYMBOLS
Safety Symbols alerting you to potential personal safety
hazards obey all safety messages following these symbols
WARNING
Avoid possible injury or
death
FIRE OR EXPLOSION
If the information in this manual is not followed exactly, a
fire or explosion may result causing property damage,
personal injury or loss of life.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS:
Extinguish any open flame.
Evacuate all persons from the vehicle.
Shut off the gas supply at the gas container or
source.
Do not touch any electrical switch, or use any
phone or radio in the vehicle.
Do not start the vehicle's engine or electric
generator.
Contact the nearest gas supplier or qualified
service technician for repairs.
If you cannot reach a gas supplier or qualified
service technician, contact the nearest fire
department.
Do not turn on the gas supply until the gas
leak(s) has been repaired.
A qualified Service Technician
Service Center or gas supplier must perform
installation and service.
LEAVE THIS MANUAL WITH
THE APPLIANCE.
RETAIN THIS MANUAL FOR
FUTURE REFERENCE.
CAUTION
Avoid possible injury
and/or property damage
WARNING
Installation of this appliance must be made in accordance with the written
instructions provided in this manual. No agent, representative or
employee of Atwood or other person has the authority to change, modify
or waive and provision of the instructions contained in this manual.
Avoid possible injury or death
Improper installation, adjustment, alteration, service or maintenance can
cause property damage, personal injury or loss of life. Refer to the
installation instructions and/or owner's manual provided with this
appliance. A qualified installer, service agency or the gas supplier must
perform installation and service.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
Be sure the furnace and all ignition systems are "off" during any type of
refueling and while vehicle is in motion or being towed.
CRITICAL INSTALLATION WARNINGS
 DO NOT install furnace on material that restricts return air, like carpet
or any soft material such as vinyl.
 DO NOT install furnace where clearance to combustibles cannot be
maintained.
 DO NOT modify furnace in any way.
 DO NOT alter furnace for a positive grounding system.
 DO NOT hi pot furnace unless electronic ignition system (circuit
board) has been disconnected.
 DO NOT use battery charger to supply power to DC model furnace
even when testing.
 DO NOT use 120-volt AC current with DC models.
 DO NOT use furnace cabinet area as a storage compartment.
 DO NOT vent furnace with venting system serving another appliance.
 DO NOT vent furnace to an outside enclosed porch area.
 DO NOT use for temporary heating of buildings or structures under
construction.
 Protect building materials from degrading from flue gas exhaust.
 Protect furnace electrical components from water.
 Compartment must be closed when operating unit.
 Should the gas supply fail to shut off or if overheating occurs, shut off
the gas valve to the furnace before shutting off the electrical supply.
 DO NOT use this furnace if any part has been under water.
PERSONAL INJURY
All sheet metal edges are sharp care should be taken when
handling or brushing up against them.
Literature number 31971
hydro flame™
AFM Series Furnaces Models
AFMD16
AFMD20
AFMD25
AFMD30
AFMD35
Technical Installation Manual
Effective 5/2014
WARNING
WARNING
WARNING
CAUTION

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  Summary of Contents for Atwood AFMD16

  • Page 1 No agent, representative or vehicles as a MSP Category III furnace. Follow this installation employee of Atwood or other person has the authority to change, modify instruction to insure safe operation of the furnace. Failure to install or waive and provision of the instructions contained in this manual.
  • Page 2: Table Of Contents

    3=door w/ WATER * (WC = COLUMN) rear gas fitting DUCTING CONFIGURATIONS Table 2 4=door w/connector Model AFMD16 AFMD20 AFMD25 AFMD30 AFMD35 5=door w/ Bottom + 1 duct + 1 duct + 1 duct + 1 duct + 1 duct connector &...
  • Page 3: Installation And Safety Codes

      Spacing of 1/4” to ducting within 3 feet of furnace must be provided The furnace should always be installed level (front to back, side to unless UL listed wire bound vinyl ducts are used. All ducting side) to prevent water intrusion into the interior. material used to be rated for continuous use at minimum of 200°F.
  • Page 4: Small Vent Installation

    Figure 3 SMALL VENT INSTALLATION  The furnace must always be installed level (front to back, side to side) to prevent water intrusion into the interior.  To prevent moisture from entering inside of coach, apply RTV type sealant to all sealing areas. ...
  • Page 5: Ducting Options

     DUCTING OPTIONS When hard ducting is 1-1/2” in depth, an additional flex duct may be needed to maintain installation duct air flow requirements.  REQUIRED MINIMUM DISCHARGE DO NOT install floor registers within 2 feet of return air openings. See ducting option from casing top and bottom areas.
  • Page 6: Air Flow Check

    If readings are below table values, air flow can be improved by adding POWER SUPPLY ductwork. Check to make sure restrictions in the system are not present. Atwood Mobile Products highly recommends the use of an electronic (solid state) converter with clean power output. This will assure the life of 16,000...
  • Page 7: Operating Instructions

     Locate thermostat 48” to 54” above main living area floor on an INTERIOR wall when possible. IGNITION CONTROL DIAGNOSTIC CODES  EXTERIOR wall location must have a 3/4” spacer between thermostat and exterior wall. The following charts give the diagnostic codes given by the ignition ...
  • Page 8: Wiring And Ladder Diagram

    WIRING AND LADDER DIAGRAM...
  • Page 9: Part Drawings & Part Lists

    PART DRAWINGS & PART LISTS...
  • Page 12 Atwood Mobile le plus près. Cette fournaise a été certifiée MSP de catégorie III pour l'installation dans les véhicules récréatifs. Suivez ces instructions d'installation pour assurer AVERTISSEMENT une utilisation sécuritaire de la fournaise.
  • Page 13: Spécifications

    POUR METTRE HORS TENSION ..........19 L'installation de cet appareil doit être faite selon les instructions écrites fournies dans ce manuel. Aucun agent, représentant ou employé Atwood n'a la permission de modifier ou renoncer et déroger des SPÉCIFICATIONS instructions contenues dans ce manuel.
  • Page 14: Dimensions Tableau 3

      Côté complet : La décharge du côté complet de l'appareil est Tous les modèles peuvent être installés soit dans une position conçue pour l'installation de la fournaise à la position verticale et horizontale ou verticale, la ligne de gaz doit être positionnée au- peut être utilisée seule ou avec un conduit additionnel.
  • Page 15: Découpure Dans Le Mur

    Effectuez les connexions au gaz et électriques placées au-dessus  Afin de prévenir l'humidité d'entrer à l'intérieur du guide, appliquez de l'unité. un type de scellant RTV à l'arrière du rebord de la lunette de la 10. Vérifiez l'installation de la porte ou du conduit ci-dessous pour pièce de conduit.
  • Page 16: Installation De La Porte Plane

    18. Lorsque vous installez les vis, NE PAS déformer le rebord. OPTIONS DE TUYAUTERIE 19. Connectez la ligne de gaz à la valve et poussez le connecteur de DÉCHARGE MINIMUM REQUISE la ligne de gaz dans l'ouverture du boitier. Modèles Zone de décharge requise 20.
  • Page 17: Décharge Par Le Bas Horizontale Ou Verticale

     Installez les adaptateurs de conduits dans chaque ouverture, Lorsque le conduit est de 1 1/2 po de profondeur, un conduit consultez la figure 7. flexible additionnel peut être nécessaire pour maintenir les Placez la plaque d'adaptateur flexible avec une bande de mousse exigences d'installation du conduit pour le flux d'air.
  • Page 18: Connexions Électriques

    Les thermostats ne sont pas fournis. Pour vous procurer un thermostat classé 12 V cc. ou 24 V c.a., au minimum un Figure 7 classement AMP, vous pouvez le commander chez Atwood.  Assurez-vous que tous les courants électriques ont été...
  • Page 19: Pour Mettre Hors Tension

    12. Ouvrez la valve d'arrêt manuel (si équipé) ou la valve à l'extérieur CODE DE DIAGNOSTIC DES CONTRÔLES DE L'IGNITION du réservoir LP. Les bonnes caractéristiques d'opération Les diagrammes suivants fournissent les codes de diagnostics donnés dépendent de la valve qui est positionnée complètement ouverte. par le contrôle d'ignition lorsqu'il y a erreur.

This manual is also suitable for:

Afmd20Afmd25Afmd30Afmd35