Service Manual 05/2004
Contents
1. BOTTLE COOLERS COR9530UBCST Service Manual Release Date May 2004 Publication Number 630460279SER Revision Date NA Revision A Visit the IMI Cornelius web site at www cornelius com for all your Literature needs SERVICE MANUAL The products technical information and instructions contained in this manual are subject to change without notice These instructions are not intended to cover all details or varia tions of the equipment nor to provide for every possible contingency in the installation operation or maintenance of this equipment This manual assumes that the person s working on the equipment have been trained and are skilled in working with electrical plumbing pneumatic and mechanical equipment It is assumed that appropriate safety precautions are taken and that all local safety and construction requirements are being met in addition to the information contained in this manual To inquire about current revisions of this and other documentation or for assistance with any Cornelius product contact www cornelius com 800 238 3600 Trademarks and copyrights Aurora Cornelius Decade Hydro Boost Sitco Spirit UF 1 Vanguard Venture Olympus and Vista are registered trademarks of IMI Cornelius Inc Optifill trademark is pending This document contains proprietary information and it may not be reproduced in any way without permission from Cornelius Printed in U S A Copyright 2004 All Rig2. taken it may be originating from the compressor Set the thermostat knob to a warmer position and check if the compressor stops according to the thermostat s operating range This type of occurrence is caused by local climatic conditions and not by the refrigerated unit Publication Number 630460279SER COR9530UBCST Service Manual euet D PROBLEM POSSIBLE CAUSE SOLUTION EXTREME CONDENSATION The refrigerator door won t shut Check the door and or the INSIDE THE REFRIGERATOR completely magnetic gasket Adjust the door hinges if needed replace the gasket if broken The refrigerator has been The unit must not be near placed at an inadequate sources that produce too much location heat NO ILLUMINATION The light switch is in off Press the light switch to the position on position False contact on the light Inspect all connections switch the fluorescent tube or the ballast Light switch ballast and or Replace the damaged fluorescent tube are damaged component Publication Number 630460279SER 8 O 2004 IMI Cornelius Inc CGinelus gt COR9530UBCST Service Manual ESPANOL CARACTERISTICAS DEL EGUIPO Tapas tope y tope para vasos robustos en acero inoxidable Paredes gruesas y fuertes inyectadas con aislante de poliuretano libre de CFC s Gabinete exterior de l mina galvanizada prepintada con pintura de poli ster al horno Divisores adjustables heavy duty reforzados Tirador de
3. Number 630460279SER COR9530UBCST Service Manual Ginclius gt Publication Number 630460279SER ii 2004 IMI Cornelius Inc CGinelus gt COR9530UBCST Service Manual ENGLISH FEATURES OF THE UNIT Strong body with thick walls injected with CFC free polyurethane foam Exterior cabinet made of galvanized pre painted steel with baked polyester paint Reinforced heavy duty adjustable dividers Sturdy stainless steel top Rubber pull handle for easy sliding of lids Forced air evaporator for guick temperature pull down Reinforced 16 gauge galvanized steel base Interior lining made of acrylic coated galvanized steel for extra corrosion Heavy duty R 134a resistance condensing unit with easy Forced air condenser made of copper and aluminum resistant to rust and saline access for maintenance gt environments FIGURE 1 REFRIGERATION SYSTEM Description of its components Compressor The compressor is a factory sealed unit located underneath outside the cooling cabinet This pump is activated by a motor which draws low pressure vapor refrigerant from the evaporator It then compresses the gas and forces it into the condenser at a high pressure Starter relay The starter relay is attached on one side of the compressor box The compressor motor has two windings one for starting and another for running In order to provide for necessary additional torque when the motor is firs
4. n sea requerido Rev sela regularmente para prevenir una acumulaci n excesiva de agua 6 Reemplace cualquier pieza o parte defectuosa tan pronto sea posible Dir jase a su distribuidor o agencia de servicio para ordenar las piezas o partes requeridas 7 Es de mucha importancia que el interior del refrigerador sea limpiado peri dicamente Remueva todo el producto y las parrillas para realizar esta operaci n 8 Utilice nicamente jab n o detergente suaves para lavar el interior y el exterior Enjuague con agua limpia y s quelo con un pa o suave absorbente SISTEMA DE RECOLECCI N DE CONDENSADO Algunos refrigeradores enfriadores de botellas horizontales vienen equipados con un drenaje interior en el fondo que sale del gabinete del lado del compartimiento de la unidad condensadora Los refrigeradores con sistema de aire forzado tienen un drenaje que recoge la condensaci n producida por el evaporador y la dirige a una bandeja localizada junto a la unidad condensadora No es necesario realizar ninguna instalaci n de plomer a adicional Esta bandeja debe ser revisada peri dicamente para prevenir una acumulaci n excesiva de agua Una bandeja evaporadora el ctrica est disponible como accesorio opcional Para informaci n adicional por favor contacte a nuestros distribuidores O 2004 IMI Cornelius Inc 13 Publication Number 630460279SER COR9530UBCST Service Manual PRINCIPALES PROBLEMAS DEL REFRIGERADOR Posibles causa
5. to check for continuity Replace defective components Turn the thermostat s knob to its maximum position and wait to see if the compressor starts Measure the ohmic resistance of the main and auxiliary windings using an ohmmeter Compare them with the correct values Clean condenser and allow for air circulation Use a voltage regulator if the voltage is lower than 103 volts Change the compressor Set the thermostat knob to a warmer position and check if the compressor stops according to the thermostat s operating range Check the insulation of the thermostat If the problem persists change the thermostat Correctly fasten the thermostat capillary bulb Set the thermostat knob to a colder position Clean the condenser and allow for air circulation The unit must not be near stoves walls that are exposed to the sun or places that lack sufficient air flow O 2004 IMI Cornelius Inc PROBLEM THE TEMPERATURE IS NOT COLD ENOUGH ELECTRICAL SHOCKS NOISE EXTREME CONDENSATION INSIDE THE REFRIGERATOR O 2004 IMI Cornelius Inc POSSIBLE CAUSE The refrigerator has been used improperly The refrigerator has been overcharged with the refrigerant gas The refrigerant gas is leaking The evaporator and or condenser fans aren t working Low voltage Wires or electrical components are in direct contact with metallic parts The refrigerator is not properly leveled The conden
6. un interruptor de control que es accionado abierto y cerrado por el movimiento mec nico del fuelle El fuelle est conectado a un bulbo termosensible localizado en el compartimiento de enfriamiento por un conducto tubo de refrigerante de peque o di metro El fuelle el bulbo termosensible y el conducto de refrigerante est n llenos de refrigerante que reaccionan a cambios de temperaturas Cuando la temperatura del compartimiento de enfriamiento sube el refrigerante en el bulbo de detecci n se expande forzando que el fuelle cierre el interruptor de control de temperatura El interruptor de control de temperatura ENCIENDE los motores del compresor y del condensador Seg n el ciclo de refrigeraci n enfr a el compartimiento el refrigerante en el bulbo de detecci n se contrae permitiendo que el fuelle se relaje accionando a su posici n abierta APAGANDO los motores del compresor y del condensador Publication Number 630460279SER 10 2004 IMI Cornelius Inc CGineiiu gt COR9530UBCST Service Manual Compartimiento de enfriamiento El compartimiento de enfriamiento es el rea del refrigerador donde se mantiene el producto para entrega Esta rea est dise ada para permitir que circule un continuo flujo de aire a trav s del producto EL CICLO DE REFRIGERACION 1 Seg n sube la temperatura en el compartimiento de enfriamiento el refrigerante en el bulbo del control de tempretura se calienta y expande expandiendo e
7. CO MENDADO EL USO DE UN REGULADOR DE VOLTAJE Publication Number 630460279SER COR9530UBCST Service Manual PROBLEMA CHOQUE ELECTRICO RUIDO CONDENSACI N EXTREMA EN EL REFRIGERADOR Publication Number 630460279SER POSIBLE CAUSA ALAMBRES O DISPOSITIVOS ELECTRICOS EN CONTACTO CON PARTES METALICAS COMPRESOR CON PASO DE CORRIENTE A LA CARCAZA MALA NIVELACION DEL REFRIGERADOR CONDENSADOR MAL FIJADO TUBERIAS EN CONTACTO CON METAL ABANICO DEL EVAPORADOR O DE UNIDAD CONDENSADORA FLOJO COMPRESOR CON RUIDO INTERNO TERMOSTATO FIJADO EN POSICION DEMASIADO FRIA HUMEDAD REALTIVA DEL AIRE ES MUY ALTA ARRIBA DEL 75 16 SOLUCION VERIFIQUE SI HAY FALLA EN EL AISLA MIENTO DE UN COMPONENTE ELECTRICO QUE ESTE EN CONTACTO CON PARTES METALICAS AISLE CORRECTAMENTE VERIFIQUE CONTINUIDAD CONECTANDO LOS TERMINALES DE UNA LAMPARA DE PRUEBA ENTRE EL BORDE COMUN Y EL TERMINAL DE TIERRA DEL COMPRESOR SI LA LAMPARA ENCIENDE REEMPLACE EL COMPRESOR VERIFIQUE SI EL RUIDO SE ELIMINA CUANDO EL REFRIGERADOR ESTA NIVELADO TENIENDO EL COMPRESOR FUNCIONANDO VERIFIQUE SI PARTES METALICAS ESTAN EN CONTACTO Y O QUE LOS TORNILLOS DE SUJECCION DEL CONDENSSADOR ESTEN DEBIDAMENTE APRETADOS VERIFIQUE SI LOS ABANICOS ESTAN BIEN FIJADOS VERIFIQUE SI EL ASPA DEL ABANISCO ESTA FLOJA QUEBRADA O TORCIDA CREANDO UNA EXCESIVA VIBRACION CAMBIE EL ASPA SI DESPUES DE ANALIZAR TODOS LOS ASPECTOS PREVIAM
8. ENTE DESCRITOS EL RUIDO PERSISTE SU ORIGEN PUEDE ESTAR EN EL COMPRESOR FIJE LA PERILLA DEL TERMOSTATO EN UNA POSICION MAS CALIENTE VERIFQUE QUE EL COMPRESOR PARE DENTRO DEL RANGO DE OPERACION DEL TERMOSTATO ESTA CLASE DE DANO ES CAUSADO POR LAS CONDICIONES CLIMATOLOGICAS LOCALES Y NO POR EL REFRIGERADOR O 2004 IMI Cornelius Inc PROBLEMA CONDENSACI N EXTREMA EN EL REFRIGERADOR LAMPARA NO ENCIENDE O 2004 IMI Cornelius Inc POSIBLE CAUSA PUERTA DEL REFRIGERADOR NO SELLA EL REFRIGERADOR ESTA MAL UBICADO SWITCH EN POSICION OFF FALSO CONTACTO EN EL SWITCH CONECTORES DEL TUBO FLUORESCENTE O BALASTRO SWITCH BALASTRO Y O TUBO FLOURESCENTE DEFESTUOSO AP COR9530UBCST Service Manual SOLUCION VERIFIQUE SI LA PUERTA ESTA MAL AJUSTADA O SI EL EMPAQUE ESTA ROTO AJUSTE LA PUERTA O REEMPLACE EL EMPAQUE EL REFRIGERADOR NO DEBE DE ESTAR UBICADO CERCA DE FUENTES DE CALOR COLOQUE EL SWITCH EN POSICION ON REVISE CONEXIONES REEMPLACE COMPONENTE DEFECTUOSO Publication Number 630460279SER COR9530UBCST Service Manual Ciny Publication Number 630460279SER 18 2004 IMI Cornelius Inc
9. FORADOR DONDEMSADOR T k Fr ALUMILADOR SLUCH DESCARGA gt SLAVE COMPRESOR i di Pe FL DE A FIGURE 6 O 2004 IMI Cornelius Inc 11 Publication Number 630460279SER COR9530UBCST Service Manual Ciny DIAGRAMA EL CTRICO ABANICOS DEL EVAPORADOR CAJA DE CONEXIONES FIGURE 7 Publication Number 630460279SER 12 2004 IMI Cornelius Inc CGineiiu gt COR9530UBCST Service Manual LIMPIEZA Y MANTENIMIENTO PREVENTIVO Un apropiado mantenimiento de su refrigerador es de muy alta importancia para un desempe o econ mico y operaci n eficiente del mismo 1 Desconecte la fuente de alimentaci n el ctrica del refrigerador antes de realizar la limpieza Saque los productos que contenga y col quelos en otro refrigerador 2 Limpie el condensador por lo menos una vez al mes utilizando una aspiradora o un cepillo de cerdas suaves Si el condensador ha acumulado sucio y grasa lo cual es posible en reas de mucho tr fico o cocinas utilice una soluci n limpiadora fuerte Si encuentra rastros de aceite en el compartimiento de la unidad condensadora llame a un t cnico de servicio calificado inmediatamente FIGURE 8 3 Mantenga el rea alrededor del refrigerador limpia y ordenada 4 Revise la correcta operaci n y sellado de las puertas Las puertas deben cerrar por s mismas y sellar en todos los lados 5 Vacie la bandeja de drenaje localizada detr s de la unidad condensadora y l mpiela seg
10. IADO FRIO POCO FRIO O 2004 IMI Cornelius Inc POSIBLE CAUSA BULBO DEL TERMOSTATO DESPRENDIDO O MAL FIJADO TERMOSTATO FIJADO EN POSICION MUY CALIENTE CONDENSADOR SUCIO FALTA DE CIRCULACION DEL AIRE EL REFRIGERADOR ESTA MAL UBICADO EL REFRIGERADOR ES MAL UTILIZADO REFRIGERADOR CON SOBRECARGA DE GAS FALTA DE GAS REFRIGERANTE EXISTENCIA DE UNA FUGA DE GAS REFRIGERANTE VENTILADOR DEL EVAPORADOR O DE UNIDAD CONDENSADORA NO FUNCIONA BAJO VOLTAJE 15 COR9530UBCST Service Manual SOLUCION FIJE CORRECTAMENTE EL BULBO DEL TERMOSTATO FIJE LA POSICION DEL TERMOSTATO A UNA POSICION MAS FRIA LIMPIE EL CONDENSADOR Y PERMITA LA CIRCULACION DEL AIRE EL REFRIGERADOR NO DEBE DE ESTAR CERCA DE COCINAS PAREDES EXPUESTAS AL SOL LUGARES SIN CIRCULACION DE AIRE O MUY SOLEADOS LAS PARRILLAS NO DEBEN DE CUBRIRSE CON NINGUN PLASTICO O MATERIAL QUE OBSTRUYA LA CIRCULACION DEL AIRE DENTRO DEL REFRIGERADOR VERIFIQUE SI EXISTE CONDENSACION O FORMACION DE ESCARCHA EN LA LINEA DE SUCCION SI EXISTE CARGUE CORRECTAMENTE CARGUE CORRECTAMENTE VERIFIQUE EL PUNTO DONDE SE ENCUENTRA LA FUGA PARA ELIMINARLA O REEMPLAZAR EL COMPONENTE CAMBIE EL FILTRO DESHIDRATADOR EFECTUE VACIO Y COLOQUE NUEVA CARGA DE GAS VERIFIQUE CONEXIONES ELECTRICAS Y QUE EL ASPA NO ESTE TRABADA REEMPLACE EL COMPONENTE CUANDO EL MOTOR ESTE QUEMADO PARA ELIMINAR EL PROBLEMA DE VOL TAJE MENOR QUE 103 VOLTS ES RE
11. NTIVE MAINTENANCE Proper maintenance of your refrigerator is most important for efficient operation and economical performance 1 2 gt Disconnect the power source before cleaning remove all products and place them in another cooler Clean the condenser at least once a month with a vacuum cleaner or brush If the condenser coil has accumulated dirt and grease possible in heavy traffic areas or kitchen use a strong cleaning solution If you find any oil in the condensing unit compartment call a qualified service person immediately FIGURE 4 Keep the floor area around the fixture clean and orderly Check the door operation and door seal Doors much close by themselves and seal on all sides Empty the drain pan located underneath the condensing unit at the rear and clean it as required Check it regularly for excessive water accumulation Replace any malfunctioning parts as soon as possible Ask your dealer or service agency to order the parts required It is most important that the interior of the fixture be cleaned on a periodic basis Remove the product load and all shelving Use only mild soap or detergent to wash the interior and exterior Rinse with warm clean water and dry with a soft absorbent cloth CONDENSATE DISPOSAL SYSTEM Refrigerators come equipped with an interior bottom floor drain that exits the cabinet at the motor compartment side Beverage Coolers with Forced Air refrigeration system have a drai
12. air through the cooling cabinet as well as over the surface of the evaporators serpentine thermal exchange area This fan motor runs continuously The evaporator and condenser serpentines have aluminum fins that help increase the surfaces for the thermal exchange in an efficient way Capillary tube It consists of several feet of tubing having a small inside diameter It is a device used to control the amount of refrigerant that flows into the evaporator Drier The drier is located in between the condenser and the evaporator It traps and removes moisture in the refrigeration system while allowing oil and refrigerant to flow freely Accumulator The accumulator is located in between the evaporator and the compressor It is a storage tank which receives refrigerant liquid from the evaporator and prevents it from flowing into the compressor Temperature control The adjustable temperature control is responsible for detecting temperature changes inside the cooling cabinet lt also starts the compressor motor whenever the cabinet rises above the desired temperature The temperature control consists of a switch which is mechanically activated by a diaphragm This diaphragm is connected to a thermo sensible bulb located inside the cabinet through a small diameter tube All three components the diaphragm the thermo sensible bulb and the small diameter tube are filled with refrigerant gas which reacts to temperature changes When the cabin
13. e de intercambio t rmico del serpent n del evaporador El motor del ventilador del evaporador corre continuamente Observacion Los serpentines del Condensador y del Evaporador tienen aletas de aluminio para aumentar eficazmente sus superficies de intercambio t rmico Tubo capilar El tubo capilar est localizado en el conducto del refrigerante entre los serpentines del condensador y del evaporador Este tubo de di metro peque o es usado como dispositivo de medici n para controlar el flujo de refrigerante l quido del serpent n del evaporador Esto crea una baja presi n que causa que el refrigerante se vaporice y absorba calor seg n pasa a trav s del evaporador Filtro El filtro est localizado en el conducto del refrigerante entre el tubo capilar y el condensador Atrapa y desplaza humedad del sistema de refrigeraci n a la vez que permite que pase aceite y refrigerante a trav s del sistema Acumulador El acumulador est localizado en el conducto del refrigerante entre el serpent n del evaporador y el compresor El acumulador atrapa cualquier refrigerante l quido que no se vaporiz antes de llegar al compresor Control de temperatura El control ajustable de temperatura es responsable por detectar cambios de temperatura en el compartimiento de enfriamiento y arranca el motor del compresor cuando la temperatura del compartimiento sube sobre una temperatura preestablecida El control de temperatura est compuesto de
14. et temperature rises the refrigerant in the bulb heats up and expands expanding the diaphragm The diaphragm s expanding closes the temperature control s interrupting device and then starts the compressor and condenser motors The drop in temperature inside the cooling compartment is caused by the refrigerant s continuous circulation through the system When the temperature drops the refrigerant inside the temperature control s bulb contracts allowing the diaphragm to open the interrupting device which consequently shuts down the compressor and condenser motors Cooling cabinet This is the area where the goods are stored It has been designed to allow for constant cold air circulation to flow through the goods THE REFRIGERATION CYCLE 1 Depending on the increase in temperature inside the cooling compartment the refrigerant gas inside the temperature control s bulb heats up and expands expanding the diaphragm The diaphragm s expansion closes the temperature control s interrupting device 2 The temperature control s interrupting device turns on the compressor and condenser motors 3 The compressor recirculates the refrigerant throughout the system by drawing the refrigerant gas as low vapor pressure from the evaporator Then it compresses the refrigerant and forces it into the condenser Publication Number 630460279SER 2 O 2004 IMI Cornelius Inc C rels 3 COR9530UBCST Service Manual 4 The condenser with the help of its fan m
15. goma para facilitar el deslizamiento de las tapas Evaporador de aire forzado para un r pido pull down Base reforzada con l mina galvanizada calibre 16 Paredes interiores en acero galvanizado con recubrimiento Condensador de aire acr lico para mayor resistencia a la corrosi n Unidad condensadora heavy duty para R 134a de f cil acceso para el servicio forzado en cobre y aluminio resistente a la oxidaci n y el ambiente salino FIGURE 5 SISTEMA DE REFRIGERACION Explicaci n de los componentes O 2004 IMI Cornelius Inc 9 Compresor El compresor es una unidad herm ticamente sellada localizada debajo afuera del compartimiento de enfriamiento El compresor es una bomba accionada por un motor que extrae vapor de baja presi n refrigerante del serpent n del evaporador lo comprime y lo fuerza dentro del condensador a alta presi n Rele de arranque El rel de arranque est montado en el costado de la caja del compresor El motor del compresor tiene dos devanados un devanado de arranque y devanado de marcha Para poder darle al motor fuerza torsional adicional cuando primero arranca el rel de arranque conecta el devanado de arranque adicional Despu s que el motor llega a la velocidad correcta el relay abre el devanado de arranque y el motor continua con el devanado de marcha Protector termico El protector t rmico es un dispositivo termosensible montado en el costado de la caja de
16. hts Reserved IMI Cornelius Inc Geta gt COR9530UBCST Service Manual TABLE OF CONTENTS Table of Contents 15 mex aa RR AA i English ia as ker ku aa A o OP RR e a 1 Features of the Unit i cose c eee eO OSA A A 4 1 Refrigeration System eR k k a k id L EAR K 1 Description of its components 1 The Refrigeration Cycle 2 Electrical Wiring kasa si ia i S 4 Cleaning and Preventive Maintenance 5 Condensate Disposal System 5 Troubleshooting rares hate Eod ctt x eee tet ad ve 6 Possible causes and solutions 6 Espanol 220 000 cers gad die hie ae AEG a a na eae REE TT 9 Caracteristicas del equipo 9 Sistema de Refrigeracion dar o dt pe 9 Explicaci n de los componentes 9 El Ciclo de Refrigeracion 11 Diagrama elecl6o ou sis Si A e ita 12 Limpieza y Mantenimiento Preventivo 13 Sistema de Recolecci n de Condensado 13 Principales Problemas del Refrigerador 14 Posibles causas y soluciones 14 O 2004 IMI Cornelius Inc i Publication
17. l compresor Si el motor del compresor se pone demasiado caliente o toma una cantidad excesiva de corriente el protector t rmico se abrir rompiendo los circuitos de arranque y de marcha del motor Despu s que el compresor se enfr e a una temperatura operacional segura el protector t rmico cerrar permitiendo que el motor del compresor vuelva a arrancar Publication Number 630460279SER COR9530UBCST Service Manual euet D Condensador El serpent n del condensador est localizado debajo afuera del compartimiento de enfriamiento al frente del compresor El condensador desplaza calor del vapor de alta presi n que se desprende del compresor y lo condensa en l quido a alta presi n Motor del ventilador del condensador El motor del ventilador del condensador localizado debajo del compartimiento de enfriamiento es un dispositivo de ventilaci n forzada que usa aire ambiente para enfriar la superficie del serpent n del condensador El motor del ventilador est en marcha mientras que el compresor est en marcha Evaporador El serpent n del evaporador est localizado en el compartimiento de enfriamiento Seg n pasa vapor a baja presi n a trav s del serpent n del evaporador absorbe y desplaza calor del compartimiento Motor del ventilador del evaporador El motor del ventilador del evaporador es un dispositivo de ventilaci n forzada que circula aire a trav s del compartimiento de enfriamiento y sobre la superfici
18. l fuelle La expansi n del fuelle cierra el interruptor de control de temperatura El interruptor de control de temperatura ENCIENDE los motores del compresor y del condesador El compresor circula refrigerante a trav s del sistema extrayendo vapor refrigerante a baja presi n del serpent n del evaporador comprimi ndolo y forz ndolo en el serpent n del condensador El condensador ayudado por el motor del ventilador del condensador desplaza calor del refrigerante seg n fluye a trav s del serpent n del condensador y lo libera al ambiente exterior La ca da de la temperatura del refrigerante cambia el vapor a l quido El tubo capilar controla la cantidad de refrigerante liberado al serpent n del evaporador El serpent n del evaporador permite que el refrigerante absorba y desplace calor del compartimiento de enfriamiento seg n fluye a trav s del serpent n La ca da de temperatura en el compartimiento de enfriamiento es causada por la circulaci n continua de refrigerante a trav s del sistema desplazando calor del compartimiento de enfriamiento y transport ndolo al ambiente exterior Cuando la temperatura baja el refrigerante en el bulbo del control de temperatura se contrae permitiendo que el fuelle aba el interruptor de control de temperatura apagando los motores del compresor y del condensador Ee D r 1 U dx FLAC bi i woToRoE MOTOR DEL VENTILADOA DEL VENTILADOR DEL EVA
19. n that collects the condensate from the evaporator inside the baffle to a non electric evaporating pan located in the bottom of the cabinet next to the condensing unit No additional plumbing installation is required This pan should be checked periodically for excessive accumulation of water An electric evaporator pan is available as an optional accessory For additional information please contact our distributors O 2004 IMI Cornelius Inc 5 Publication Number 630460279SER COR9530UBCST Service Manual TROUBLESHOOTING Possible causes and solutions PROBLEM COMPRESSOR WILL NOT START THE TEMPERATURE IS TOO COLD THE TEMPERATURE IS NOT COLD ENOUGH Publication Number 630460279SER POSSIBLE CAUSE No voltage in the electrical socket The electrical conductor or wires may be cut Defective electrical components such as thermostat relay thermal protector etc Thermostat in off position Compressor motor has a winding open or shorted Dirty condenser lack of air flow Low voltage Compressor is stuck Thermostat knob is set at a very cold position Thermostat does not disconnect the condensing unit Thermostat capillary bulb is loose or installed improperly Thermostat knob is set at a very warm position Condenser is dirty lack of air flow The refrigerator has been placed at an inadequate location SOLUTION Use a voltmeter to check the voltage Use an ohmmeter
20. otor removes the refrigerant s heat as it flows through the condenser The heat is then released to the outside environment Consequently the decrease in temperature will change the refrigerant from a gaseous to a liquid state 5 The capillary tube regulates the amount of refrigerant that is discharged into the evaporator 6 The evaporator s serpentine allows the refrigerant to absorb and remove heat from the cooling compartment 7 The drop in temperature inside the cooling compartment is caused by the refrigeran s continuous circulation through the system This gas continuously absorbs the heat that exists inside the cooling compartment and expels it to the outside environment When the temperature drops the refrigerant inside the temperature control s bulb contracts allowing the diaphragm to open the interrupting device which consequently shuts down the compressor and condenser motors 000 Re UM al DER E a A EN m MEE Ms A a Ud EVAPORATOR V duce MSEN FA MOT CA FAH MOTOR T 4 ACCUMULATOR xicrisi TEBEH ARSI pe EGEHD CO PT sca EA FIGURE 2 2004 IMI Cornelius Inc 3 Publication Number 630460279SER COR9530UBCST Service Manual Ciny ELECTRICAL WIRING SA a Yi e O EVAPORATOR FAN MOTORS A POWER CORD 115 V AC VZ FIGURE 3 Publication Number 630460279SER 4 O 2004 IMI Cornelius Inc Cines gt COR9530UBCST Service Manual CLEANING AND PREVE
21. s y soluciones PROBLEMA COMPRESOR NO ARRANCA DEMASIADO FRIO Publication Number 630460279SER POSIBLE CAUSA NO HAY VOLTAJE EN LA TOMA DE ALIMENTACION CONDUCTO ELECTRICO O ALAMBRES CORTADOS FALLA EN LOS COMPONENTES ELECTRICOS TALES COMO TERMOSTATO PROTECTOR TERMICO TERMOSTATO EN POSICION OFF BOBINAS DEL MOTOR DE COMPRESOR CORTADAS O QUEMADAS CONDENSADOR SUCIO FALTA CIRCULACION DE AIRE BAJO VOLTAJE COMPRESOR TRANCADO TERMOSTATO FIJADO EN POSICION MUY FRIA TERMOSTATO NO DESCONECTA LA UNIDAD CONDENSADORA 14 SOLUCION VERIFIQUE CON UN VOLTIMETRO UTILIZANDO UN OHMIMETRO VERIFIQUE Sl EXISTE CONTINUIDAD EN EL CONDUCTOR ELECTRICO O ALAMBRE REEMPLAZAR EL COMPONENTE DEFECTUOSO FIJE LA POSICION DE LA PERILLA DEL TERMOSTATO EN FRIO MAXIMO Y OBSERVE SI EL COMPRESOR ARRANCA MIDA LA RESISTENCIA OHMICA DE LAS BOBINAS PRINCIPAL Y AUXILIAR UTILIZANDO UN OHMIMETRO Y COMPARELAS CON LOS VALORES CORRECTOS LIMPIE EL CONDENSADOR Y PERMITA LA CIRCULACION DE AIRE PARA ELIMINAR EL PROBLEMA DE VOLTAJE MENOR QUE 103 VOLTS ES RECOMENDABLE EL USO DE UN REGULADOR DE VOLTAJE REEMPLACE EL COMPRESOR FIJE LA PERILLA DEL TERMOSTATO A UNA POSICION MAS CALIENTE Y VERIFIQUE SI EL COMPRESOR PARA DENTRO DEL RANGO DE OPERACION DEL TERMOSTATO VERIFIQUE LA FIJACION DEL BULBO DEL TERMOSTATO SI EL PROBLEMA CONTINUA CAMBIE EL TERMOSTATO O 2004 IMI Cornelius Inc PROBLEMA DEMAS
22. ser is not fastened correctly Copper tubings are in contact with metal The evaporator and or condenser fans are loose Compressor has an internal noise Thermostat knob is set at a very cold position The outside environment s relative humidity is very high over 75 COR9530UBCST Service Manual SOLUTION The shelves must never be covered with any type of plastic or other material that will block the circulation of cold air within the refrigerator Check to see if condensation or ice crystals have formed on the suction line If so charge with the correct amount of gas Find the location where the gas is leaking in order to seal it or replace the defective component Change the drier Perform a good vacuum and recharge the unit Check the electrical connections and make sure that the fan blade isn t stuck Replace the fan motor if it doesn t work Use a voltage regulator if the voltage is lower than 103 volts Check for appropriate insulation on the connections of each electrical component Check if the noise goes away after you level the refrigerator While the compressor is working check to see if metal parts are in contact with one another and or if the screws that fasten the condenser are tightened Check if the fans are securely fastened Also check if the fan blades are loose broken or crooked lf so change the faulty blade If the noise persists after all other measures have been
23. t ignited the starter relay connects the additional start up windings After the motor reaches its correct operating speed the relay opens the ignition windings and the motor carries on with the operation windings Thermal protector This protector is a thermo sensible device attached to one side of the compressor s box In any given situation if the compressor overheats or the voltage source varies drastically the thermal protector opens turning off the compressor After the compressor cools down to a normal and safe working temperature the thermal protector turns on the compressor Condenser The condenser is located underneath outside the cooling cabinet in front of the compressor It receives hot high pressure refrigerant gas from the compressor and cools it down until it returns to liquid state O 2004 IMI Cornelius Inc 1 Publication Number 630460279SER COR9530UBCST Service Manual Ciny Condenser fan motor The condenser fan motor is located underneath the cooling cabinet It is a ventilation device which forces tne ambient air to flow over the condenser in order to cool down the refrigerant flowing inside it The fan motor works only if the compressor is on Evaporator The evaporator is located inside the cooling cabinet As the gas flows at a low pressure through the evaporator it absorbs heat through the copper coil from inside the cabinet Evaporator fan motor This device provides the reguired circulation of
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