COZY 90N A Series Owner's Manual

COZY 90N A Series Owner's Manual

Gas fired vented floor furnace
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OWNER'S MANUAL
INSTALLATION INSTRUCTIONS
GAS FIRED VENTED
FLOOR FURNACE
MODEL NUMBERS (natural gas)
90N30A / 90N50A / 90N65A
MILLIVOLT CONTROL SYSTEM
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
WARNING: Installation and repair must be done
by a qualified service person. The appliance should
be inspected before use and at least annually by a
professional service person.
- The coating selected to provide longer life to the
heat exchanger may smoke slightly upon initial firing.
Please provide adequate ventilation if this occurs.
- Installation, maintenance, service, troubleshooting
& repairs must be performed by a qualified service
agency. DO NOT attempt any of these procedures
if you are not qualified as this could expose you to
property damage, personal injury, or loss of life and
will invalidate all warranties.
- This unit is for residential use only and is not approved
for installation in mobile homes, greenhouses, or
environments involving dusty, wet, corrosive, or
explosive conditions. Such conditions will invalidate
the warranty and may create unsafe conditions.
WARNING: Operation of this furnace when not
connected to a properly installed and maintained
venting system can result in Carbon Monoxide (C.O.)
poisoning and possible death. For your safety, this
furnace and the venting system should be inspected
at least annually by a qualified service technician.
250 West Laurel Street, Colton CA 92324 • www.cozyheaters • 1-888-444-1212
VISITE NUESTRA PÁGINA WEB PARA LA VERSIÓN EN ESPAÑOL DE ESTE MANUAL
https://www.cozyheaters.com/products
WARNING: If the information in these instruc-
tions is not followed exactly, a fire or explosion may
result causing property damage, personal injury or
loss of life.
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone or cell phone in your building.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach the gas supplier, call the fire
department.
– Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
WARNING: This product can expose you to
chemicals including epichlorohydrin which is known
to the State of California to cause cancer and birth
defects and/or other reproductive harm. For informa-
tion go to www.p65warnings.ca.gov
90NXXA

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  • Page 1 OWNER’S MANUAL INSTALLATION INSTRUCTIONS VISITE NUESTRA PÁGINA WEB PARA LA VERSIÓN EN ESPAÑOL DE ESTE MANUAL https://www.cozyheaters.com/products GAS FIRED VENTED FLOOR FURNACE MODEL NUMBERS (natural gas) 90N30A / 90N50A / 90N65A MILLIVOLT CONTROL SYSTEM 90NXXA INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.
  • Page 2: Table Of Contents

    CONTENTS CONTENTS INSTALLATION RECORD WARRANTY READ CAREFULLY BEFORE INSTALLING UNIT INSTALLATIONS IN THE STATE OF MASSACHUSETTS SPECIFICATIONS AND DIMENSIONS INTRODUCTION FLOOR FURNACE LOCATION CUTTING THE FLOOR OPENING CONNECTING THE VENT GAS SUPPLY AND PIPING THERMOSTAT INSTALLATION LIGHTING INSTRUCTIONS ADJUSTING THE BURNER MAINTENANCE GAS FLOOR FURNACE PARTS LIST TROUBLESHOOTING YOUR FURNACE...
  • Page 3: Warranty

    REMEDIES SET FORTH HEREIN ARE THE RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS EXCLUSIVE REMEDIES AVAILABLE TO THE USER WHICH VARY FROM STATE TO STATE. TO REGISTER YOUR FURNACE :GO ONLINE TO THE COZY HEATERS WEBSITE AT: www.cozyheaters.com/warranty-registration/ GAS FIRED VENTED FLOOR FURNACES...
  • Page 4: Read Carefully Before Installing Unit

    READ CAREFULLY BEFORE INSTALLING UNIT NFPA STANDARDS: These installation instructions are a general guide and NATIONAL FIRE PROTECTION ASSOCIATION do not supersede applicable local codes and ordinances. Before planning or making the installation be sure it 1Batterymarch Park Quincy, Massachusetts | USA 02169-7471 complies with all phases of the local heating code.
  • Page 5: Installations In The State Of Massachusetts

    INSTALLATIONS IN THE STATE OF MASSACHUSETTS All installations in the State of Massachusetts must use c. Meet ANSI/UL 2034 Standards and comply with NFPA the following requirements when installing, maintaining 720 (2005 Edition); and or operating direct-vent propane or natural gas-fired d.
  • Page 6: Introduction

    INTRODUCTION SAFETY THIS IS A GAS-FIRED, GRAVITY VENTED FLOOR FURNACE THAT WILL OPERATE SAFELY AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN INSTALLED, WARNING: Improper installation, adjustment, OPERATED AND MAINTAINED AS RECOMMENDED IN alteration, service or maintenance can cause property THESE INSTALLATION AND OPERATING INSTRUCTIONS.
  • Page 7: Floor Furnace Location

    FLOOR FURNACE LOCATION FIGURE 1 Choose a central location such as a hallway but where occupant traffic is minimal & where there is at least 18 inches of room from two adjoining sides of the grill to the nearest wall so that occupants may pass without stepping Bedroom Bath Kitchen...
  • Page 8: Cutting The Floor Opening

    CUTTING THE FLOOR OPENING provided, fabricate a waterproof pan of at least 16 ounce Consult the specification chart on page 5 for the correct per square foot sheet copper or a suitable substitute. Size floor opening size for the floor furnace to be installed. the pan to provide 6 inches clearance to the bottom of the Lay out the opening size on the floor by using masking floor furnace, 18 inches on the side where the gas valve is...
  • Page 9 existing vent that has worked for years may not be Class “B” double wall pipe is acceptable to most codes, adequate for todays design because of higher efficiency and if installed in accordance with the pipe manufacturers requirements that result in lower stack temperatures. instructions provides the safest and most efficient vent system.
  • Page 10: Connecting The Vent

    CONNECTING THE VENT FIGURE 7C - RECOMMENDED If more than one gas appliance is vented through a common vent system, the vent should be increased in size to accommodate the increased load. Consult your local code or the tables in the latest edition of NFPA54 / ANSI. Z223.1 for the correct size.
  • Page 11: Gas Supply And Piping

    GAS SUPPLY AND PIPING The gas piping system must meet the requirements of local • Where local conditions include earthquake, tornado, codes or the specifications of the servicing gas supplier. It unstable ground or flood hazards, give special must have adequate capacity to supply the floor furnace consideration to increased strength and flexibility and any other appliance within the home with enough of piping supports and connections.
  • Page 12 GAS SUPPLY AND PIPING ADDITIONAL PROPANE GAS REQUIREMENTS WARNING: When purging gas piping, the area Have all connections made at the storage tank by a around the floor furnace must be well ventilated to licensed Propane Gas installer. allow any gas to dissipate. Liquid Petroleum (Propane) Have Propane Installer check all lines, piping, and Gas is heavier than air and may puddle in low places connections from the storage tank to the floor furnace...
  • Page 13: Thermostat Installation

    THERMOSTAT INSTALLATION WIRE AS INDICATED: Figure 12 Follow the instructions included with the thermostat. Locate the thermostat approximately five feet above the STEP 1 Connect black limit switch wire to black floor. Always mount the thermostat on an inside wall thermostat wire using wire nut.
  • Page 14: Lighting Instructions

    LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: This appliance has a pilot which must be • If you cannot reach your gas supplier, call If you do not lighted by hand. When lighting the pilot, the fire department. follow these instructions exactly.
  • Page 15: Adjusting The Burner

    ADJUSTING THE BURNER VENT SYSTEM ADJUSTING THE BURNER After the floor furnace has been burning for five After the floor furnace has been burning 15 minutes, minutes, hold a match or candle under the draft hood remove the bottom pan from the outer casing exposing at the air intake area.
  • Page 16 ADJUSTING THE BURNER OPTION 2 WARNING: DO NOT ATTEMPT TO CHANGE Tum the furnace key clockwise until the warning flag PRESSURE SETTINGS WITHOUT PROPER TRAINING reading “WARNING - GRILL IS HOT - Keep off - can cause AND INSTRUMENTS. TO DO SO MAY CAUSE YOUR burns”...
  • Page 17: Maintenance

    MAINTENANCE CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and WARNING: DO NOT USE ANY KIND OF dangerous operation. SOLVENT OR CLEANING FLUID TO CLEAN YOUR FLOOR FURNACE. IT MAY LEAVE A RESIDUE OR For proper operation, Floor Furnace must be kept clean.
  • Page 18: Gas Floor Furnace Parts List

    GAS FLOOR FURNACE PARTS LIST NATURAL GAS PART NUMBERS 90N30A 90N50A 90N65A REF. REPLACEMENT PART DESCRIPTION 90N30A 90N50A 90N65A Liner, complete assembly 23001 23980 24380 Limit control 60T11 74306* 74307* 74308* Heat exchanger with gasket 23074 24099 24499 Grille, floor 23145 24175 24475...
  • Page 19 PART DRAWINGS ATTENTION: Contractors and qualif ied service technicians: We only sell parts through our wholesalers. For prompt parts service, contact the wholesaler f rom which you purchased your Cozy heater. BURNER ASSEMBLY 90N30A 90N50A 90N65A NOTE: Parts & schematic drawings on current models are shown at: cozyheaters.com | Specifications subject to change without notice.
  • Page 20: Troubleshooting Your Furnace

    TROUBLESHOOTING YOUR FURNACE MAIN BURNER - for qualified service technicians ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION Flame Too Large 1. Defective operator section of valve. 1. Replace complete valve. 2. Burner orifice too large. 2. Check with local gas company for proper orifice size and replace.
  • Page 21 ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION Incorrect Gas Input 1. Gas input not checked. 1. Recheck gas input. 2. Clogged orifice. 2. Check orifice for clogging. If clogged, clean out the hole carefully with a smooth wood toothpick. (DO NOT in any way enlarge or distort it).
  • Page 22: Service Record

    SERVICE RECORD DATE MAINTENANCE PERFORMED COMPONENTS REQUIRED...
  • Page 23: Notes

    NOTES GAS FIRED VENTED FLOOR FURNACES...
  • Page 24 www.cozyheaters.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2022 1017826_D 09/22 GAS FIRED VENTED FLOOR FURNACES...
  • Page 25 MANUAL DEL PROPIETARIO INSTRUCCIONES PARA LA INSTALACIÓN Y LA OPERACIÓN ESTUFA DE PISO CON VENTILACIÓN ALIMENTADA POR GAS NÚMEROS DE MODELO (gas natural) 90N30A / 90N50A / 90N65A SISTEMA DE CONTROL MILLIVOLT INSTALADOR: Deje este manual junto al dispositivo. CONSUMIDOR: Conserve este manual para referenia futura.
  • Page 26 TABLA DE CONTENIDO CONTENIDO REGISTRO DE INSTALACIÓN GARANTÍA LEA ATENTAMENTE ANTES DE INSTALAR LA UNIDAD INSTALACIONES EN EL ESTADO DE MASSACHUSETTS ESPECIFICACIONES Y DIMENSIONES INTRODUCCIÓN UBICACIÓN DEL HORNO DEL SUELO CORTE DE LA ABERTURA DEL SUELO CONEXIÓN DE LA VENTILACIÓN SUMINISTRO DE GAS Y TUBERÍAS INSTALACIÓN DE TERMOSTATO INSTRUCCIONES DE ILUMINACIÓN...
  • Page 27: Garantía

    Algunos estados no permiten limitaciones en OTROS DERECHOS QUE PUEDEN VARIAR DE UN la duración de una garantía implícita, y algunos ESTADO A OTRO. PARA REGISTRAR SU CALEFACTOR: Vaya en línea al sitio web de Cozy Heaters en: www.cozyheaters.com/warranty-registration/ HORNOS DE PISO VENTILADOS CON GAS...
  • Page 28 LEA ESTA SECCIÓN ANTES DE INSTALAR LA UNIDAD Este instructivo es una guía general para su aparato y no LAS NORMAS NFPA: NATIONAL FIRE PROTECTION ASSOCIATION substituye los códigos y reglamentos locales que aplican. Antes de planear o realizar la instalación, asegúrese de 1 Batterymarch Park Quincy, Massachusetts | USA 02169-7471 que cumple con todas las fases del código local sobre...
  • Page 29: Instalaciones En El Estado De Massachusetts

    INSTALACIONES EN EL ESTADO DE MASSACHUSETTS Todas las instalaciones en el estado de Massachusetts Tener energía de respaldo de la batería; deben usar los siguientes requisitos al instalar, mantener o Cumplir con las Normas ANSI/UL 2034 y cumplir operar calentadores espaciales de ventilación directa o de con NFPA 720 (Edición 2005);...
  • Page 30: Introducción

    INTRODUCCIÓN ESTA ES UNA ESTUFA DE PISO VENTILADA sea inspeccionada por las autoridades locales, hágalo POR GRAVEDAD ALIMENTADA POR GAS después de que haya instaldo la estufa de piso y antes de QUE FUNCIONARÁ EN FORMA SEGURA Y ponerla en servicio. PROPORCIONARÁ...
  • Page 31: Ubicación Del Horno Del Suelo

    UBICACIÓN DEL HORNO DE SUELO 13. Deje siempre la rejilla en su sitio excepto al limpiar o ventilación debido al uso de celosías de ventilación, rejillas prestar servicio a la estufa de piso. o pantallas agregue aproximadamente un 50% de las 14.
  • Page 32: Corte De La Abertura Del Suelo

    CORTE DE LA ABERTURA DEL SUELO FIGURA 2 LA MAYORÍA DE LAS INSTALACIONES REQUERIRÁN QUE SE CORTE UNA VIGUETA DEL PISO PARED Corte la vigueta del piso para que se puedan 20 CM (8") MINIMO utilizar travesaños dobles del mismo tamaño de madera para hacer un marco alrededor de la estufa de piso.
  • Page 33 lados, los esfuerzos creados pueden causar ruidos de sea adecuada para los diseños actuales debido a los requisitos expansión y contracción excesivos mientras se calienta de mayor eficiencia que resultan en menores temperaturas de y enfría la estsufa de piso. Fije la estufa de piso en su chimeneas.
  • Page 34: Conexión De La Ventilación

    CONEXIÓN DE LA VENTILACIÓN eficiente cuando se la ventila con el tamaño correcto de FIGURA 8 ventilación para cada estufa como se lista en la página 3. MÁS DE 3M (10) (La sección continúa en la página 8) No recomendamos hacerlo, pero si tiene que ventilar 3M (10’) dentro de una chimenea de mampostería, siga las instrucciones siguientes.
  • Page 35 SUMINISTRO Y TUBERÍA DE GAS El sistema de la tubería de gas debe cumplir con los • Donde las condiciones naturales incluyan terremotos, requisitos de los códigos locales o de las especificaciones tomados, suelo inestable o peligro de inundación, del proveedor de servicio de gas. Debe tener la capacidad preste consideración especial a la resistencia y apropiada para alimentar a la estufa de piso y a cualquier flexibilidad incrementada de los soportes y a las...
  • Page 36: Suministro De Gas Y Tuberías

    SUMINISTRO DE GAS Y TUBERÍAS REQIDSITOS ADICIONALES PARA GAS PROPANE de alimentación del piloto y compruebe si hay pérdidas 8. Haga une un instalador de gas Propane licenciado utilizando jabón y agua o detergente líquido. realice todas las conexiones en el tanque de almacenamiento.
  • Page 37: Instalación De Termostato

    INSTALACIÓN DEL THERMOSTAT CABLEE COMO SE INDICA: (Consulte la figura número 12) Siga las instrucciones incluidas junto con el termostato. Instale el termostato a aproximadamente 1,5 m (5’) arriba Paso 1. Conecte el cable negro del interruptor !imitador al del piso. Monte siempre el termostato en una pared cable negro del termostato utilizando una tuerca interna donde no se vea afectado por fuentes de calor para cable (no proporcionada).
  • Page 38: Instrucciones De Iluminación

    INSTRUCCIONES DE ILUMINACIÓN PARA SU SEGURIDAD LEA ANTES DE ENCENDER ADVERTENCIA: • Si no puede comunicarse con el proveedor de A. Este artefacto tiene un piloto que se debe gas, llame al departamento de bomberos. encender a mano. Al encender el piloto, siga Si no sigue exactamente estas instrucciones.
  • Page 39: Ajuste Del Quemador

    AJUSTE DEL QUEMADOR SISTEMA DE VENTILACIÓN GAS NATURAL - ALTITUDES ESPECIFICAS Después de que la estufa de piso haya estado funcionando 610 m a 1,220 m a 1,830 m a 2,440 m a durante un par de minutos, arrime un fósforo o una vela MODEL NO.
  • Page 40 AJUSTE DEL QUEMADOR OPCIÓN 2 ADVERTENCIA: NO TRATE DE CAMBIAR EL Gire la llave del horno en sentido horario hasta que se vea la AJUSTE DE LA PRESIÓN SIN TENER LA INSTRUCCIÓN bandera de advertencia que dice “ADVERTENCIAREJILLA Y LOS INSTRUMENTOS CORRESPONDIENTES. CALIENTE - NO LA PISE - PUEDE CAUSAR QUEMADURAS”...
  • Page 41: Mantenimiento

    INSTRUCCIONES PARA EL MANTENIMIENTO PRECAUCIÓN: Etiquete todos los cables antes de la desconexión al realizar el mantenimiento de los controles. Los errores de cableado pueden causar un ADVERTENCIA: NO UTILICE NINGÚN TIPO DE funcionamiento incorrecto y peligroso. SOLVENTE NI LÍQUIDO LIMPIADOR PARA LIMPIAR SU ESTUFA DE PISO.
  • Page 42 GAS FLOOR FURNACE PARTS LIST NATURAL GAS PART NUMBERS 90N30A 90N50A 90N65A REF. REPLACEMENT PART DESCRIPTION 90N30A 90N50A 90N65A Forro, Montaje Completo 23001 23980 24380 Limit control 60T11 74306* 74307* 74308* Heat exchanger with gasket 23074 24099 24499 Grille, floor 23145 24175 24475...
  • Page 43 PART DRAWINGS ATTENTION: Contractors and qualif ied service technicians: We only sell parts through our wholesalers. For prompt parts service, contact the wholesaler f rom which you purchased your Cozy heater. BURNER ASSEMBLY 90N30A 90N50A 90N65A NOTE: Parts & schematic drawings on current models are shown at: cozyheaters.com | Specifications subject to change without notice.
  • Page 44 TABLA PARA LA SOLUCIÓN DE PROBLEMAS QUEMADORES PRINCIPALES - PARA SER USADO POR UN INSTALADOR O UN TÉCNICO DE SERVICIO CALIFICADOS SINTOMA CAUSAS POSIBLES ACCION CORRECTIVA Llama Demasiado Grande 1. Sección de operación defectuosa 1. Reemplace la válvula completa. de la válvula. 2.
  • Page 45 ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION No Se Enciende 1. Entrada principal de gas 1. Abra todas las válvulas manuals de gas. apagada. 2. Reemplace la válvula de gas. 2. Válvula de gas defectuosas. Condensación de Vapor 1. Consulte “Ventilactón” 1. Ventilación incorrecta. de Agua El Quemador no se Apaga 1.
  • Page 46 www.cozyheaters.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2022 1017826_D 09/22...

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90n30a90n50a90n65a

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