York EVJC 12 Installation Instructions Manual
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York EVJC 12 Installation Instructions Manual

High wall inverter r410a service manual exploded view
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Table of Contents

  • English
    • Installation Instructions
    • Table of Contents
    • Instrucciones de Instalación
    • Installation Instructions
    • Inspection
    • Environmental Protection
    • Safety
    • Outdoor Units
    • Limits of Use
    • POE Oil
    • SpecifiC Tools
    • Minimum Thickness of Tubing
    • Technical Specifications
    • Instructions D'installation
    • Instruções de Instalação

  • Italian
    • Istruzioni Per L'installazione

  • German
    • Hinweise zum Einbau

  • Dutch
    • Installatie-Instructies
    • Tekniske Data

  • Norwegian
    • Instruksjoner for Innstallering
    • Elektrischer Anschluss
    • Service Manual
    • Safety Cautions
    • Operation of Wireless Remote Control
    • Emergency Operation
    • Product Specifications
    • Part Name
    • Dimensions
    • Indoor Unit
    • Outdoor Unit
    • Schematic Diagram
    • Printed Circuit Board Connector Wiring Diagram
    • PCB Function Manual and Operation Method
    • Appending Data
    • Refrigerant System Diagram
    • Installation
    • Electric Wiring
    • Air Purging and Leakage Test
    • Troubleshooting Guide
    • Disassembly
    • Exploded View
    • Replacement Parts List
    • Safety Cautions
    • Operation of Wireless Remote Control
    • Remote Control
    • Emergency Operation
    • Product Specifications
    • Part Name
    • Dimensions
    • Schematic Diagram
    • Wiring Diagram
    • Special Functions
    • Appending Data
    • Refrigerant Sysem Diagram
    • Installation
    • Troubleshooting Guide
    • Disassembly
    • Exploded View
    • Replacement Parts List
    • Appendix

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  • ENGLISH, page 199

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CHAPTER 2
High Wall Inverter
R410A
EVHC 09 to 24 DS
by johnson controls
73
73

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Summary of Contents for York EVJC 12

  • Page 1: Installation Instructions

    CHAPTER 2 High Wall Inverter R410A EVHC 09 to 24 DS Installation Instructions Service manual Exploded view by johnson controls...

  • Page 3: Table Of Contents

    EVJC 09, 12, 18, 24 DSAAAR by johnson controls Ref: 40343-1109M Condensadoras bomba de calor con tecnología Inverter Instrucciones de Instalación ......................... 4 - 6 Heat pump condensing units with Inverter technology Installation Instructions ..........................7 - 9 Unités de condensation réversibles à technologie Inverter Instructions d’installation ..........................
  • Page 4 by johnson controls Fig.1 Fig.2 Fig.5 Fig.3 Fig.4 8 mm 8 mm Unidad interior Manometros Bomba de vacio Indoor unit Pressure gauges Vacuum pump Unité intérieure Manomètres Pompe à vide Unidade interior Manómetros Bomba de vácuo Unità interna Manometri Pompa a vuoto Innengerät Manometer Vakuumpumpe...
  • Page 5 Dimensiones generales / General dimensions mm / Dimensions générales / Dimensões gerais Dimensioni d’ingombro / Algemeine abmessungen / Algemene afmetingen / Generelle dimensjoner EVJC 09 , 12, 18, 24 Fig. 6 (mm) 2000 EVJC 09 EVJC 12 EVJC 18 EVJC 24...

  • Page 6: Instrucciones De Instalación

    by johnson controls Instrucciones de instalación Espacios libres, unidad exterior En consecuencia, para evitar la caída al suelo del agua de condensación provenien- Inspección Se requiere un espacio libre mínimo alre- te de los tubos, ambos deben ser aislados dedor de las unidades para la circulación En su recepción, inspeccionar la mercan- con un aislante adecuado.
  • Page 7 by johnson controls - El refrigerante R-410A debe ser cargado - Cuando el aceite POE se ha contamina- - Botella de refrigerante. Apta para una pre- siempre en forma líquida. Si la botella no do con agua, una bomba de vacío ya no sión de 47 bar y para contener solo R410A tiene tubo de inmersión, esta deberá...
  • Page 8 by johnson controls Especificaciones técnicas Modelo EVJC Unidad exterior Capacidades Frio 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Calor 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compresor Rotativo...

  • Page 9: Outdoor Units

    by johnson controls Installation Instructions the units for the circulation of air and access cooling system has undesirable effects, as for maintenance servicing, as indicated in indicated below. Consequently, they should Inspection the general dimensions. be eliminated completely. Upon reception, inspect the equipment and - High pressure increases.

  • Page 10: Limits Of Use

    by johnson controls - R-410A refrigerant is not flammable at - The POE oils that are adequate for R-410A Minimum thickness of tubing atmospheric pressure. Nevertheless, as it systems are as follows: Due to the greater operating pressures contains 50% HFC-32, it should never be MOBIL EAL ARCTIC 22 CC (ICI) of R-410A refrigerant, the interconnection pressurised with air or any gas other than...
  • Page 11 by johnson controls Technical specifications Model EVJC Outdoor unit Capacities Cooling 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Heating 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compressor Rotary...

  • Page 12: Instructions D'installation

    by johnson controls Instructions d’installation - Les raccordements du drainage des con- installés dans l’unité extérieure, aussi bien densats dans les unités réversibles. le gros tube que le petit tube se trouvent du Inspection - L’installation électrique de l’unité. côté de basse pression relative du système. Dès sa réception, inspecter la marchandi- En conséquence, pour éviter la chute d’eau se et communiquer par écrit les possibles...
  • Page 13 by johnson controls - La charge de réfrigérant R-410A doit toujo- - Lorsque l’huile POE a été contaminée - Bouteille de réfrigérant. Apte pour une urs se faire sous forme liquide. Si la boutei- pression de 47 bar et pour ne contenir que par de l’eau, une pompe à...
  • Page 14 by johnson controls Spécifications techniques Modéle EVJC Unité extérieure Puissances Froid 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Chaud 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compresseur Rotatif...

  • Page 15: Instruções De Instalação

    by johnson controls Instruções de Instalação - Ligações da drenagem de condensados Isolamento dos tubos de em unidades com bomba de calor. refrigerante Inspecção - Instalação eléctrica da unidade. Devido a que os tubos capilares se encon- À sua recepção, há que inspeccionar a mer- tram instalados na unidade exterior, tanto cadoria e comunicar as possíveis anomalias Espaços livres, unidade exterior...
  • Page 16 by johnson controls - O óleo POE não pode ser misturado ar que se produzem em consequência Pressão do Temperatura com óleo mineral. Quando existirem da alta pressão e da velocidade de R-410A °C quantidades de óleo mineral superiores a evaporação do gás.
  • Page 17 by johnson controls Especificações técnicas EVJC Modelo Unidade exterior Capacidades Nominal em frio 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Nominal em calor 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compressor...

  • Page 18: Istruzioni Per L'installazione

    by johnson controls Istruzioni per l’installazione Spazi liberi Di conseguenza, per evitare il gocciolamen- to della condensa, entrambi i tubi devono Controllo Lasciare attorno alle unità esterne il suffi- essere isolati con il materiale adeguato. ciente spazio libero per non ostacolare la Al ricevimento, controllare la merce e co- L’isolante deve avere uno spessore di a circolazione dell’aria e per agevolare le...
  • Page 19 by johnson controls - Il refrigerante R-410A deve essere sempre - Quando l’olio POE si è contaminato con un cilindro di carica per le bollicine che si caricato in forma liquida. Se la bombola l’acqua, una pompa a vuoto non è più producono a seguito dell’alta pressione e non ha un tubo d’immersione, questa do- sufficiente per eliminarla.
  • Page 20 by johnson controls Caratteristiche tecniche Modello EVJC Unità esterna Potenzialità Raffreddamento 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Riscaldamento 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compressore Rotativo...

  • Page 21: Hinweise Zum Einbau

    by johnson controls Hinweise zum Einbau Einbau - Zur Vermeidung von zu Verschmutzung und Verstopfung führendem Rost und Überprüfung Die Installation des Geräts Zunder innerhalb der Leitung ist während Bei Erhalt der Ware muss diese sofort auf des Lötens und solange das Rohr noch umfasst: mögliche Transportschäden überprüft werden.
  • Page 22 by johnson controls Kälteanschlüsse Typische Merkmale von Polyolesteröl von -1 bis 53 bar. Niederdruckmanometer (blau) mit einer Skala von -1 bis 38 bar. - Polyolesteröl ist hoch hygroskopisch. Typische Merkmale des Kältemittels Jeweils mit ½»-Schraubanschlüssen UNF- Seine Wasseranziehungskraft ist 15 Mal R-410A höher als die von Mineralöl.
  • Page 23 by johnson controls Technische Angaben EVJC Modell Außengerät Leistungswerte Kühlbetrieb 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Heizbetrieb 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Verdichter Rollkolben Kältemitten...

  • Page 24: Installatie-Instructies

    by johnson controls Installatie-instructies Vrije ruimten, buitenunit Isoleren van de koelbuizen Er dient een minimale vrije ruimte rondom Omdat de capillaire buizen in de buitenu- Controle bij ontvangst de toestellen aangehouden te worden voor nits geïnstalleerd zijn, bevinden zich zowel Bij ontvangst dienen de goederen gecon- de luchtcirculatie en een goede bereikbaar- buis met de grootste als die met de kleins-...
  • Page 25 by johnson controls - POE olie mag niet met minerale olie ge- ge de bellen die door de hoge druk en de Temperatuur mengd worden. Bij hoeveelheden van verdampingssnelheid van het gas gevo Druk R-410A bar g °C meer dan 5% minerale olie die met POE md worden.
  • Page 26 by johnson controls Technische specificaties EVJC Model Buitenunit Vermogen Koeling 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Verwarming 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Compressor Roterend Koelmiddel...
  • Page 27 by johnson controls Installasjonsinstrukser Fritt rom, utvendig enhet Tømming og tørking (Fig. 5) Det kreves et minimalt fritt rom rundt Luften virker ikke som kjølemiddel fordi den Inspisering enhetene for å sikre luftsirkulasjonen og ikke kan gjøres flytende av kompressoren. Når man mottar apparatet, må...
  • Page 28 by johnson controls - R-410A ikke antennbart - På grunn av POE-oljens store tendens (malt i rosa farge). Med tilpasser for ½” atmosfæretrykk. ettersom vannopptak, forårsake UNF-20 skruegjenge. inneholder 50% HFC-32, må det aldri hudbrannsår. Man anbefales å bruke - Lekkasjesøker. Spesifikk HFC.

  • Page 29: Tekniske Data

    by johnson controls Tekniske data EVJC Modell Utvendig enhet Kapasitet Kulde 2.5 (1.2 ~ 3.1) 3.5 (1.2 ~ 3.8) 5.3 (1.3 ~ 6.2) 6.4 (1.4 ~ 6.8) Varme 2.8 (1.2 ~ 3.8) 4.0 (1.3 ~ 4.7) 5.8 (1.3 ~ 6.3) 7.0 (1.3 ~ 8.0) Kompressor Roterente...
  • Page 31 DECLARACION CE DE CONFORMIDAD SOBRE MAQUINAS JOHNSON CONTROLS MANUFACTURING ESPAÑA, S.L. FABRICANTE: DIRECCIÓN: Paseo Espronceda, 278, 08204 SABADELL Certificamos que el equipo descrito, ha sido diseñado, fabricado y probado de conformidad con los requisitos básicos de la Directiva de Equipos a presión 97/23/CEE y sus correspondientes módulos de aplicación.
  • Page 32 www.johnsoncontrols.com...

  • Page 33: Instruksjoner For Innstallering

    EVKC 09, 12, 18, 24 DSAAAR by johnson controls Ref: 40344-1109M Minisplit mural con tecnología Inverter Instrucciones de Instalación ..........................6 High Wall Minisplit with Inverter technology Installation Instructions ............................7 Minisplit mural à technologie Inverter Instructions d’installation ........................... 8 Mini-split mural com tecnologia Inverter Instruções de Instalação............................
  • Page 34 by johnson controls...
  • Page 35 by johnson controls Fig. 1 > 15 cm > 15 cm > 15 cm > 70 cm > 15 cm > 30 cm > 50 cm > 200 cm Fig. 2 Fig. 3 5º...
  • Page 36 by johnson controls Fig. 4 Fig. 5 Fig. 6 Fig. 7 Panel frontal Filtros Cable de interconexión Front panel Filters Interconnecting cable Panneau frontal Filtres Câblage d’interconnexion Painel frontal Filtros Cabo de interligação Pannello frontale Filtri Cavo di collegamento Frontblende Filter Verbindungskabel Frontpaneel...
  • Page 37 by johnson controls Dimensiones generales / General dimensions mm / Dimensions générales / Dimensões gerais Dimensioni d’ingombro / Algemeine abmessungen / Algemene afmetingen / Generelle dimensjoner EVKC 09 , 12, 18, 24 EVKC 09 EVKC 12 EVKC 18 EVKC 24 1 060 Datos físicos / Physical data / Données physiques / Dados físicos Dati tecnisi / Physikalische Angaben / Fysieke gegevens / Fysiske data...
  • Page 38 by johnson controls Instrucciones de instalación Drenaje de condensados Antes de dar por finalizada la instalación Inspección El tubo de drenaje de la unidad es flexible y puede colocarse en diversas posiciones. Verificar: En su recepción, inspeccionar la mercan- La línea de drenaje debe incluir un codo - El voltaje está...
  • Page 39 by johnson controls Installation Instructions Condensed water drain Prior to final approval of the installation The drain pipe of the unit is flexible and can Inspection be placed in different positions. The drain Check: Upon reception, inspect the equipment and line should include an elbow (Ushaped) (Fig.
  • Page 40 by johnson controls Instructions d’installation Drainage des condensats Derniers contrôles Le tube du drainage des condensats est Vérifier si: Inspection flexible et il peut adopter plusieurs posi- - le voltage est toujours entre Dès sa réception, inspecter la marchandi- tions. La ligne de drainage doit comporter 198-254 V.
  • Page 41 by johnson controls Instruções de Instalação Drenagem de condensados Antes de dar por finalizada a instalação Inspecção O tubo de drenagem da unidade é flexível e pode-se colocar em diversas posições. A Verificar se: À sua recepção, há que inspeccionar a linha de drenagem deve incluir um cotovelo - A voltagem se encontra sempre mercadoria e comunicar as possíveis...
  • Page 42 by johnson controls Istruzioni per l’installazione Scarico condensa Prima di considerare ultimata l’installazione Il tubo di scarico condensa dell’unità è fles- Controllo sibile e può essere collocato in diverse posi- Verificare: Al ricevimento, controllare la merce e co- zioni. Il tubo di scarico deve essere dotato di - Che il voltaggio si trovi sempre municare per iscritto allo spedizioniere e un sifone (a forma di U) (fig.

  • Page 43: Elektrischer Anschluss

    by johnson controls Hinweise zum Einbau Kondensatablauf Vor Abschluss des Einbaus anfallende Kondensat wird über Folgende Aspekte sind zu überprüfen: Überprüfung eine Schlauchleitung abgeführt, die in Erhalt Ware muss diese verschiedenen Positionen verlegt werden - Die Spannung liegt stets sofort auf mögliche Transportschäden kann.
  • Page 44 by johnson controls Installatie-instructies Afvoer condenswater Alvorens het installeren als beëindigd te beschouwen De afvoerbuis van het toestel is flexibel en Controle bij ontvangst kan in verschillende posities geplaatst wor- Controleren of: Bij ontvangst dienen de goederen gecon- den. In de afvoerleiding dient een U-bocht - De spanning altijd tussen 198 - troleerd te worden en bij eventuele gebre- (fig.
  • Page 45 by johnson controls Installasjonsinstrukser Kondensdrenasje Før man anser installasjonen for avsluttet Inspisering Enhetens drensrør er elastisk og kan stilles i ulike posisjoner. Drenslinjen må ha et uformet Sjekk: Ved mottakelsen av apparatet må man knerør (fig. 4). Monter et kondensdrensrør av - At spenningen alltid ligger undersøke nøye...
  • Page 47 DECLARACION CE DE CONFORMIDAD SOBRE MAQUINAS JOHNSON CONTROLS MANUFACTURING ESPAÑA, S.L. FABRICANTE: DIRECCIÓN: Paseo Espronceda, 278, 08204 SABADELL Certificamos que el equipo descrito, ha sido diseñado, fabricado y probado de conformidad con los requisitos básicos de la Directiva de Equipos a presión 97/23/CEE y sus correspondientes módulos de aplicación.
  • Page 48 www.johnsoncontrols.com...

  • Page 49: Service Manual

    High Wall EVHC 09 to 12 DSAAAR SERVICE MANUAL EVHC-09 / EVHC-12 SM-EVHC-D-09-12GB 05-10...

  • Page 50: Table Of Contents

    CONTENTS Safety Cautions ..........................1 Operation of wireless remote control ....................4 Emergency operation ........................9 Product Specifications ........................10 Part name ............................12 Dimensions ............................13 Schematic Diagram .........................15 PCB function manual and operation method ...................2 Appending data ..........................27 Refrigerant sysem diagram ......................31 Installation ............................32 Troubleshooting Guide ........................37 Disassembly ............................56 Exploded View ..........................63...

  • Page 51: Safety Cautions

    Safety Cautions To prevent injury to the user or other people and property damage, the following instructions must be followed. ■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury.
  • Page 52 For re-installation of the installed product, Do not install, remove, or re-install the always contact a dealer or an authorized unit by yourself. service center. There is risk of fire, electric shock, explosion, or There is risk of fire, electric shock, explosion, or injury.
  • Page 53 Don't place a space heater near the air Keep combustible spray away from conditioner. the units more than 1m. It can cause afire or explosion. Or CO toxicosis may occur for imcomplete burning. The airflow direction can be adjusted Don't insert your hands or stick into the air appropriately.At operating, adjust the intake or outlet vents.

  • Page 54: Operation Of Wireless Remote Control

    Operation of wireless remote control Note: There is no fan display shown on the front panel of the indoor unit...
  • Page 55 Operation of wireless remote control This function only operates when unit is in DRY or Cooling mode and should be on when used in high humidity indoor environment to dry indoor coil to prevent mould growing on the coil. To set this function press Below button, an Icon will be displayed on LCD remote controller.
  • Page 56 Operation of wireless remote control TIMER ON TIMER ON BUTTON Timer On setting: Signal ìONî will blink ● and display, signal will conceal, the numerical section will become the timer on setting status. During 5 seconds blink, by pressing button to adjust the time value of numerical section, every press of that button, the value will be increased or decreased 1 minute.
  • Page 57 Operation of wireless remote control Guide for operation- General operation 1. After powered on, press ON/OFF button, the unit will start to run.(Note: When it is powered off, the guide louver of main unit will close automatically.) 2. Press MODE button, select desired running mode, or press COOL or HEAT mode to enter into the corresponding operation directly.
  • Page 58 Operation of wireless remote control About new function of defrosting It indicates: after starting this function by remote controller and the unit has been under defrost status, If turn off the unit by remote controller, the unit will not stop defrosting until it is finished;...

  • Page 59: Emergency Operation

    Emergency operation Displayer indicator light control of indoor unit It's a special selective buttonfor the users ,who are not accustomed to the light at sleeping. Get the displayer indicator light on: When setting the light function,the mark will display on the remote controller screen by pressing this button.

  • Page 60: Product Specifications

    Product Specifications Product Specifications Model EVHC 09 DSAAAR EVHC 12 DSAAAR Function COOLING HEATING COOLING HEATING Rated Voltage 220-240V 220-240V Rated Frequency 80/50/25 80/53/25 95/68/25 95/74/25 3100/2500/1200 3800/2800//1200 3800/3500/1220 4740/4000/1310 Total Capacity (W/Btu/h) 10600/9000/4036 13000/9386/4096 12970/12000/4172 14660/13650/4480 Power Input (W) 1330/735/280 1365/745/310 1560/1060/295...
  • Page 61 Product Specifications Model of Outdoor Unit EVJC 09 DS EVJC 12 DS Compressor Manufacturer/trademark MITSUBISHI MITSUBISHI Compressor Model KNB092FHBMC KNB092FHBMC Compressor Type single-rotor single-rotor L.R.A. (A) Compressor RLA(A) 3.89 Compressor Power Input(W) Overload Protector None 222KT-XH-2P-400mm Throttling Method Capillary throttling...

  • Page 62: Part Name

    Part name Air in Power cable Front Panel Indoor unit Wrapping Tape Guide louver Wall Pipe Filter Air out Set Temp Cooling Wireless remote control LED displayer Heat Remote control window Air in Outdoor unit Drainage hose Air out...

  • Page 63: Indoor Unit

    Dimensions Dimensions Indoor Unit Air inlet Tube exit Ceiling Left Right Wall-Mounting Plate Hole, the position should be confirmed Hole, the position should be confirmed by client or the erector by client or the erector Mounting Plate Hole Model W( ) H( ) D( ) EVKC 09 DS...

  • Page 64: Outdoor Unit

    Dimensions Outdoor Unit Unit:mm Over 60cm Bolt Wrench Model W(mm) W1(mm) W2(mm) H(mm) D(mm) D1(mm) D2(mm) EVJC 09 DS 256.6 EVJC 12 DS 256.6...

  • Page 65: Schematic Diagram

    Schematic Diagram Schematic Diagram Indoor Unit...
  • Page 66 Schematic Diagram Outdoor Unit...

  • Page 67: Printed Circuit Board Connector Wiring Diagram

    Schematic Diagram Printed Circuit Board Connector Wiring Diagram INDOOR UNIT • OP VIEW • BOTTOM VIEW...
  • Page 68 Schematic Diagram • TOP VIEW Serial No. Name of circuit Testing contents Before commutating, voltage: Commutating filter wave circuit AC current; After commutated, voltage: DC current Communication voltage and communication wave shape Communication circuit Chip power supply 5V; relay power supply 12V Stabilized voltage supply circuit Buzzer sound Buzzer circuit...
  • Page 69 Schematic Diagram Outdoor Unit • TOP VIEW • BOTTOM VIEW...
  • Page 70 Schematic Diagram • TOP VIEW Serial No. Name of circuit Testing spot Testing content Commutating filter circuit Before commutating voltage AC current; After commutating voltage DC current R212 underneath Bus bar voltage, working voltage 15V circuit multimeter black pen contact with U406 radiator multimeter red pen contact with R212 underneath...
  • Page 71 Schematic Diagram • BOTTOM VIEW Outdoor unit pin definition Definition Definition JTAG Quick test Overload protection singal input Memory Models selection port Digital ground 25/35 Digital ground +3.3V Fan motor PWM output +3.3V Module protection signal input Fan motor speed feedback input Memory Digital ground Phase-locked loop...

  • Page 72: Pcb Function Manual And Operation Method

    PCB function manual and operation method PCB function manual and operation method 1. Temperature Parameters Indoor preset temperature (T preset Indoor ambient temperature (T amb. 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function is available, for the first energization, if the compressor is at stop before de-energization, the compressor will be started without a 3-minute lag;...
  • Page 73 Operation Protection Protection is the same as that under the cooling mode. (3) Heating Mode Working conditions and process of heating If T .≤T +2 , the unit enters heating mode, in which case the four-way valve, the compressor and the outdoor fan preset will operate simultaneously, and the indoor fan will run at preset speed in the condition of preset cold air prevention.
  • Page 74 Operation a. Under AUTO mode, if T .≥T is detected, the unit will select to run under cooling mode, in which case implicit preset preset temperature is 25 ; if T .≤T -2 , the compressor will stop, the outdoor fan will stop with a time lag of 1 preset minute, and the indoor fan will run at preset speed;...
  • Page 75 Operation Designation of sensors Faults The sensor is detected to be open-circuited or short-circuited for successive 30 Indoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 Indoor tube temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 Outdoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30...
  • Page 76 Operation Heating angle Cooling angle (10) Display Operation pattern and mode pattern display All the display patterns will display for a time when the power on, the operation indication pattern will display in red under standby status. When the machine is start by remote control, the indication pattern will light and display the current operation mode (the mode light includes: Cooling, heating and dehumidify).

  • Page 77: Appending Data

    Appending data Appending data Table showing operation frequency limits for cooling and heating Outdoor Relative Humidity 37% Outdoor Relative Humidity 86% Indoor Wet Bulb Indoor Wet Bulb Temperature( Temperature( Compressor Frequency(Hz) Compressor Frequency(Hz) Performance date for both cooling and heating COOLING: Temperature condition...
  • Page 78 Appending data Expanded capacity data tables for both cooling and heating Cooling Heating • Conditions Indoor : DB27˚C/WB19˚C Indoor air flow : High Pipe length : 5m • Conditions Indoor : DB 20˚C Indoor air flow : High Pipe length : 5m –15 –10 –5...
  • Page 79 Appending data Operation Characteristic Curve EVHC 09 DSAAAR Cooling Heating • Conditions • Conditions Indoor : DB20˚C/WB15˚C 220V Indoor : DB27˚C/WB19˚C 220V Outdoor : DB7˚C/WB6˚C Outdoor : DB35˚C/WB24˚C Indoor air flow : High Indoor air flow : High Pipe length : 5m Pipe length : 5m...
  • Page 80 Appending data Noise criteria curve tables for both models Indoor side noise when blowing Outdoor side noise High Middle Indoor fan motor rotating speed Compressor frequency/Hz...

  • Page 81: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM Heat exchanger 3-Way ( INDOOR ) valve Muffler 2-Way valve 4-Way valve Strainer Capillary Heat exchanger Strainer ( OUTDOOR ) Strainer Cooling Heating...
  • Page 82 Installation Installation Important Notices 1. The unit installation work must be done by qualified personnel according to the local rules and this manual 2. Before installating, please contact with local authorized maintenance center, if unit is not installed by the authorized maintenance center, the malfunction may not solved due to discommodious contacts 3.
  • Page 83 Installation Safety Requirements For Electric Appliances 1. The power supply should be used the rated voltage and AC exclusive circuit, the power cable diameter should be satisfied. 2. Don't drag the power cable emphatically. It should be reliably earthed, and it should be connected to the special earth device, the installation work should be operated by the professional.
  • Page 84 Installation Install the rear panel 1.Always mount the rear panel horizontally. Due to the water tray of indoor unit has been adopted the both-way drainage design, the outlet of water tray should be adjusted slightly down when installing, that is taking the outlet of the water tray as the center of a circle, the included angle between the evaporator and level should be 0 or more, that is good for condensing water drainage.
  • Page 85 Installation NOTE: When connecting the electric wire if the wire length is not enough, please contact with the authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire are not allowed. The electric wiring must be correctly connected, wrong connection may cause spare parts ●...

  • Page 86: Electric Wiring

    Installation Electric wiring Disassemble the handle on the outdoor unit right side plate. Take off cord anchorage. Connect and fix power connect cord (for cooling and heating unit,connect and fix power connect cord and signal control wire)to terminal block. Fix the power connection cable with cord anchorage, (for cooling and heating unit, use the cord anchorage to fix the power connection cable and the signal control wire).

  • Page 87: Troubleshooting Guide

    Troubleshooting Guide Troubleshooting Guide Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise the unit display C5 The breaker trips at once when it Measure insulation resistance to ground to see if there is any leakage. is set to "ON".
  • Page 88 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper heck and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
  • Page 89 Troubleshooting Guide The indoor fan motor is burned or breaks or Replace the fan motor or the defective part. has the heat protector malfunction. The built-in heat protector of the motor breaks Replace the fan motor frequently because the motor is The fan does not abnormal.
  • Page 90 C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 b r o k e n , creepage of parallel capacitor of relay loop, Change controller relay is broken etc.) In cool, heat mode,the...
  • Page 91 Flashing LED of Indoor/Outdoor Unit and Primary Judgement Name of running status Indoor unit display Yellow light Red light Green light Compressor start Blink once Defrosting Blink twice Blink three times Anti-freezing protection IPM protection Blink four times Overcurrent protection Blink five times Blink six times Overload protection...
  • Page 92 Malfunction Display If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Yellow indicator blinks for once Compressor stars (normal) Defrosting (normal display of indoor unit) Yellow indicator blinks for twice Anti-freezing protection (normal Yellow indicator blinks for 3 times display of indoor unit) IPM protection...
  • Page 93 Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible reasons: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...
  • Page 94 Troubleshooting Guide 3 How to Check simply the main part (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. If the reactor (L) is correctly connected? If the connection is loose or fallen? If the reactor (L) is damaged? Fault diagnosis process: Switch on the unit...
  • Page 95 (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Mainly detect: If the connection between control panel AP1 and compressor COMP is secure? If loose? If the connec- tion is in correct order? If the voltage input of the machine is within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the compressor coil resistance is normal? If the insulation of compressor coil against the copper tube...
  • Page 96 Troubleshooting Guide Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring terminal L and N machine has run for restore it to board XT is within a period of time?
  • Page 97 3 High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ● Is outdoor ambient temperature in normal range? ● Are the outdoor and indoor fans operating normally? Is the heat dissipation environment inside and outside the unit is good? ●...
  • Page 98 (4) Fail for start up (following AP1 for outdoor unit control board) Mainly detect: Whether the compressor wiring is connected correct? Is time for compressor stopping enough? Is compressor broken? Power on the unit Is stop time of the compressor Restart it up after 3 minutes longer than 3 minutes? Does startup fail?
  • Page 99 Troubleshooting Guide (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Whether the unit voltage is too high? Whether the work voltage is too low? Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 100 Troubleshooting Guide (6)Overload and air exhaust malfunction detect (following AP1 for outdoor unit control board) Mainly detect: Wether the electronic expansion valve is connected well or not? Is electronic expansion valve damaged? Is refrigerant leaked? 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 101 Troubleshooting Guide 7 Power factor correction (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken The failure diagnosis process is as follows: Start Check wiring of the...
  • Page 102 (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? The flow chart for malfunction detect: Start Did the equipment operate...
  • Page 103 Appendix 1: form for indoor/outdoor unit's ambient sensor numerical value of resistance Temp. Temp. Resistance Resistance Temp. Resistance Temp. Resistance...
  • Page 104 Troubleshooting Guide Appendix 2: form for indoor/outdoor unit's tube temperature sensor numerical value of resistance Resistance Resistance Resistance Resistance Temp Temp Temp Temp • • • • • • • • • •...
  • Page 105 Appendix 3: form for indoor/outdoor unit's air exhaust temperature sensor numerical value of resistance Temp. Temp. • • • • • • • • • • • • • • • • • • • • • • • • Resistance Temp.
  • Page 106 Disassembly Indoor Unit Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. Front panel 1.Disassemble the front panel Open the front panel, slightly press the both sides of rotating axial of the panel, to make the rotating axial out of groove, can take down the front panel.
  • Page 107 Disassembly 4.Disassemble the electric box cover Slightly press the electric box cover to make the clasps out take down the ambient sensor, can take down the electrric box cover. Electric box cover Earth screw Cold plasma Tube temperature sensor 5.Disassemble electric box Screw off the screws fix the electrix box, screw off the earh screw, pull out the tube sensor, pull out the air guide motor, the wiring terminal of motor, screw off the screws fixing the displayer, can take down...
  • Page 108 Disassembly Clasp Screws Screws 7.Disassemble the motor Unscrew the screws which fix the motor clamp, take down the motor and cross flow fan, screw off one screw which connects with the motor and cross flow fan, then take out the motor. Screws Motor clamp Screw...
  • Page 109 outdoor Unit Unscrew the screw fixing the big handle,and then remove it downwards to take it out. Big Handle Screw Unscrew the 2 screws fixing left side of top cover and the 1 screw fixing the right side to remove the top cover.
  • Page 110 Disassembly Unscrew the 5 screws fixing the panel and dextrorotate the front panel to pull it out from groove. Screws Unscrew the 2 screws fixing electric box ,and then unscrew the 5 screws fixing the right side plate to remove it. Screws Right Side Plate Screws...
  • Page 111 Disassembly Loosen the fastening nut fixing the axial flow fan Axial Flow Fan with a spanner, and then take out the nut, spring gasket and flap gasket in turn. Unscrew the 4 screws fixing the motor to take out the motor,and then unscrew the 2 screws fixing the motor support to take it out.
  • Page 112 Disassembly Respectively unsolder the weld spots of main capillary and auxiliary capillary to take off the capillary. Capillary Screw off the screws which fix the valves, unsolder the pipeline take down the valves. Bolts Liquid Valve Gas Valve Loosen 3 pcs nut from the bottom of compressor, unsolder the air intake and air exhaust pipeline, becareful to move the pipeline, and take out the compressor.
  • Page 113 Exploded View Exploded View Indoor Unit...
  • Page 114 Exploded View Outdoor Unit...

  • Page 115: Replacement Parts List

    Replacement Parts List Replacement Parts List Parts List (Indoor) Part Code Description EVKC 09 DS EVKC 12 DS Wall-Mounting Frame 01252015 01252013 Rear Case 22202453 22202454 Evaporator Assy 0100255203 0100255302 Evaporator Support 24212090 24212091 Cross Flow Fan 10352018 10352017 Bearing cushion rubber base 26152022 26152022 Ring of Bearing...
  • Page 116 Replacement Parts List Part Code Description EVJC 09 DS EVJC 12 DS Front Panel 01533005 01533006 Clap Board 01233012 01233381 Drainage Connecter 06123401 6123401 Reactor Support 01203682P 0120368201P Temperature Sensor 222KT-XH-2P(white)-4 39000302 39000302 Compressor KNB092FHBMC 00120228 00120228 Compressor Bolt 70210108 70210108 Nut M6Xφ...
  • Page 117 Method of testing the system at a fixed frequency operation. Model Mode Cooling Rotate speed Setting temp. Mode Heating Rotate speed Setting temp. After set up the turbo and indoor setting temperature, within 2.5s continuously press “Sleep” button four times, the displayer will display P0 or the corresponding codes, that will enter into relevant testing status, the compressor will run according to the relevant frequency.
  • Page 118 High Wall EVHC 18 to 24 DSAAAR SERVICE MANUAL EVHC-18 / EVHC-24 SM-EVHC-D-18-24GB 05-10...

  • Page 119: Refrigerant Sysem Diagram

    CONTENTS Safety Cautions ..........................1 Operation of wireless remote control ....................4 Emergency operation ........................9 Product Specifications ........................10 Part name ............................12 Dimensions ............................13 Schematic Diagram .........................15 PCB function manual and operation method ...................25 Appending data ..........................37 Refrigerant sysem diagram ......................41 Installation ............................42 Troubleshooting Guide ........................47 Disassembly ............................69 Exploded View ..........................78...
  • Page 120 Safety Cautions ■ ■ Be sure not to do. Be sure to follow the instruction. Earth: The ground be connected! Be sure to pull out the power plug when not using the air conditioner for a long time. If not, please ask the qualified personnel to install. Furthermore, Otherwise, the accumulated dust may cause fire or electric don't connect each wire to the gas pipe, water pipe, drainage shock.
  • Page 121 For re-installation of the installed product, Do not install, remove, or re-install the always contact a dealer or an authorized unit by yourself. service center. There is risk of fire, electric shock, explosion, or There is risk of fire, electric shock, explosion, or injury.
  • Page 122 Don't place a space heater near the air Keep combustible spray away from conditioner. the units more than 1m. It can cause afire or explosion. Or CO toxicosis may occur for imcomplete burning. The airflow direction can be adjusted Don't insert your hands or stick into the air appropriately.At operating, adjust the intake or outlet vents.
  • Page 123 Operation of wireless remote control Operation of wireless remote control Note: Be sure that there are no obstructions between receiver and remote controller; Don't drop or throw the remote control; Don't let any liquid in the remote control and put the remote control directly under the sunlight or any place where is very hot. SLEEP Signal transmitter SLEEP button...

  • Page 124: Remote Control

    Operation of wireless remote control + button For presetting temperature increasing. Press this button,can set up the temperature, when unit is on . Continuously press and hold this button for more than 2 seconds, the corresponding contents will be changed rapidly, until unpress the button then send the information, is disp- laying all along.
  • Page 125 Operation of wireless remote control TIMER ON TIMER ON BUTTON Timer On setting: Signal ì ONî will blink and display, signal will conceal, the numerical section will become the timer on setting status. During 5 seconds blink, by pressing or button to adjust the time value of numerical section, every press of that button, the value will be increased or decreased 1 minute.
  • Page 126 Operation of wireless remote control Guide for operation- General operation 1. After powered on, press ON/OFF button, the unit will start to run.(Note: When it is powered off, the guide louver of main unit will close automatically.) 2. Press MODE button, select desired running mode, or press COOL or HEAT mode to enter into the corresponding operation directly.
  • Page 127 Operation of wireless remote control About lock Press +and - buttons simultaneously to lock or unlock the keyboard. If the remote controller is locked, the icon will be displayed on it, in which case, press any button, the mark will flicker for three times.
  • Page 128 Emergency operation Displayer indicator light control of indoor unit It's a special selective buttonfor the users ,who are not accustomed to the light at sleeping. Get the displayer indicator light on: When setting the light function,the mark will display on the remote controller screen by pressing this button.
  • Page 129 Product Specifications Product Specifications Model EVHC 18 DSAAAR EVHC 24 DSAAAR Function COOLING HEATING COOLING HEATING Rated Voltage 220-240V~ 220-240V~ Rated Frequency 50Hz 50Hz 5300(1260~6150) 5800(1260~6300) 6400(1400~6800) 7000(1200~8000) Total Capacity (W/Btu/h) 18000(4300~21000) 20000(4300~21500) 21500(4800~23200) 24000(4100~27300) Power Input (W) 1600(380~2650) 1620(350~2650) 2000(350~2500) 2050(350~2700) Rated Input (W)
  • Page 130 Product Specifications Model of Outdoor Unit EVJC 18 DS EVJC 24 DS Compress or Manufacturer/tradem ark China Res ources (Shenyang) China Res ources (Shenyang) Compress or Model C-6RZ146H1A C-6RZ146H1A Compressor Type Twin rotary compress or Twin rotary compress or L.R.A. (A) Compress or RLA(A) Compress or Power Input(W) 1640...
  • Page 131 Part name Air in Power cable Front Panel Indoor unit Wrapping Tape Guide louver Wall Pipe Filter Air out Set Temp Cooling Wireless remote control LED displayer Heat Remote control window Air in Outdoor unit Drainage hose Air out...
  • Page 132 Dimensions Air inlet Tube exit Ceiling Left Right...
  • Page 133 Outdoor Unit >60cm Bolt Spanner...

  • Page 134: Wiring Diagram

    Schematic Diagram Schematic Diagram Wiring Diagram Indoor Unit Serial No. Name of interface Instruction Sensor neilsbed Sensor neilsbed Displayer neilsbed PG motor neilsbed Indoor and outdoor units connect with zero line; 2-communication wire; 3-indoor unit connect with fire line; Wire terminal Earth wire Transformer terminal Swing motor terminal...
  • Page 135 Schematic Diagram Outdoor Unit Name of interface Instruction Serial No N(1)-indoor units connect with zero line; Wire terminal 2-communication wire; 3-indoor unit and outdoor unit connect with fire line; L-power fire line;N-power zero line; Earth wire Sensor neilsbed Compressor overload sensor neilsbed Yellow Compressor power supply terminal Blue...
  • Page 136 Schematic Diagram Printed Circuit Board Connector Wiring Diagram INDOOR UNIT • OP VIEW • BOTTOM VIEW...
  • Page 137 Schematic Diagram • TOP VIEW Name of interface Instruction Serial No. used to connect with N line of power cable Zero line Health function zero line used to connect with N line of health module Fire line used to connect with power supply L line motor power cable used to connect with PG motor Health function fire line...
  • Page 138 Schematic Diagram • The key testing spots(BOTTOM) TEST 2 TEST 1 TEST 3 TEST 4 Testing spot Corresponding component Serial No. of testing spot Testing value under the normal circumstances Test1 220VAC~240VAC Between two spots Zero, fire lines Test2 220VAC~240VAC Between two spots Zero, fire lines Test3...
  • Page 139 Schematic Dia g r am Outdoor Unit (IGBT) C2(PFC) - ~ ~ IPM MODULE FUSE1 C303 DATA1 POWER SUPPLY C302 C304 C301 TVS1 230V~ 50Hz FUSE2 Text COMP SMPS FM FAN MOTOR P.C.BOARD T-SENSOR OUTTUBE OUTROOM EXHAUST TEM.SENSOR TEM.SENSOR TEM.SENSOR Serial No.
  • Page 140 Schematic Diagram • OP VIEW BOTTOM • VIEW...
  • Page 141 Schematic Diagram • TOP VIEW Name of interface Instructions Serial No. —COMP-U —COMP-V Blue Compressor interface The corresponding three pieces of wire, they are : Yellow —COMP-W The corresponding two cores wire are white, connect Compressor overload protector with the overload protector SAT Sensor 20kΩ...
  • Page 142 Schematic Diagram • Key testing spot(bottom):...
  • Page 143 Schematic Diagram Serial No. of Corresponding components Testing value under normal status Testing spot testing spot L and N Between A and C Between B and C L and N Between D and E DC generatrix electrolytic capacitor ON/OFF electrolytic capacitor Between F and G D10 (IPM module + 15 V power supply) Tow polars of Diode D10...
  • Page 145 Operation 2. Display state of indoor indicators (1) State of indoor display board 1. When the unit is powered on, all patterns will be displayed and then only power indicator is on. When the unit is turned on with a remote controller, the operating indicator is on and operation mode which is set currently is displayed. 2.
  • Page 146 Operation (4) Sleep function This mode is effective only in cooling and heating modes. Proper sleep curves shall be selected for operation according to preset temperature. In cooling mode: (1) When initial temperature is set at 16-23 , an increase of 1 will be gained every hour after the sleep function is activated. After 3 is raised, the temperature will be maintained.
  • Page 147 Operation (9) Locked-rotor Protection of PG Motor When starting up the fans, if the motor has run at a lower speed continuously for a period, in order to prevent automatic protection of the motor, stop running, and display locked-rotor; if the machine is running at present, the code of the locked-rotor fault---H6 of double-eight digital tubes will be displayed;...

  • Page 148: Special Functions

    Operation 2. Basic Functions (1) Cooling Mode 1. Conditions and processes of cooling operation: (1) If the compressor is shut down, and [T – (T – setup indoor ambient temperature cooling indoor ambient temperature )] ≤ 0.5 , start up the machine for cooling, the cooling operation will start; compensation (2) During operations of cooling, if 0 ≤...
  • Page 149 Operation (2) Temperature conditions of judging to start defrosting Outdoor ambient temperature Outdoor pipe temperature ≤ T ≤ -10 outdoor ambient temperature outdoor pipe temperature ≤ T <15 ≤ [T outdoor ambient temperature outdoor pipe temperature temperature 1 of starting defrosting 0 ≤...
  • Page 150 Operation (3) During the process of operation, if low air-damper inlet temperature of Cooling outer ring high air-damper inlet , then keep the former operation air damper; temperature of Cooling (4) Cooling oil return control: when the outdoor fan runs 80s at a high speed, then regulate it by control logic (the control whose priority level is higher than the air damper switch cycle about 80s) 2.
  • Page 151 Operation 1.Starting estimation: After the compressor stopped working for 180s, if T (the inner pipe frozen-preventing frequency-limited temperature temperature of hysteresis is 2 ), the machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen-preventing protection: Clear the trouble at the mode of power turn-off / heating, and the protection times are not counted.
  • Page 152 Operation 7. If the Cooling overload protection power turn-off continuously occurs for six times, it should not be resumed automatically, and you should press the ON/OFF button to resume if the fault keeps on. During the process of running, if the running time of compressor exceeds the , the times of overload overload protection times zero clearing time protection power turn-off should be cleared to recount.
  • Page 153 Operation 5. Reducing frequency at high speed and power turn-off: you should adjust ≤T frequency reducing temperature at high speed during discharging Discharge Stop temperature during discharging the compressor frequency by reducing 30Hz/90s till the lower limit; After it was running 90s at the lower limit, if , you should discharge to protect machine stopping;...
  • Page 154 Operation 3. Frequency limited If T , you should limit the ≤T Limited frequency temperature of module Module frequency reducing temperature at normal speed of module frequency raising of compressor. 4. Reducing frequency at normal speed and power turn-off: , you should ≤T frequency reducing temperature at normal speed of module Module...
  • Page 155 Operation If it still can’t run automatically when the out-of-step protection for compressor happens to stop working for 6 times in succession, it needs to press ON/OFF to operate. And if the running time is more than 10 min, the power turn-off times for out-of-step protection shall be cleared and recounted.
  • Page 156 Appending data Appending data Table showing operation frequency limits for cooling and heating Cooling Heating Compressor running frequency(Hz) Compressor running frequency(Hz) Upper limit curve of cooling frequency F max. Upper limit curve of heating frequency Lower limit curve of F nominal heating frequency Lower limit curve of cooling frequency...
  • Page 157 Appending data Cooling Heating • Conditions Indoor : • Conditions DB27˚C/WB19˚C Indoor : DB20˚C/WB15˚C Indoor air flo High : 5m Indoor air flo High Pipe length : 5m Pipe length 40 41 42 32 33 34 35 36 37 38 39 ñ...
  • Page 158 Appending data Operation Characteristic Curve EVHC 18 DSAAAR Cooling Heating 220V 220V • Conditions Indoor : DB27˚C/WB19˚C Outdoor : DB35˚C/WB24˚C Indoor air flow : High Pipe length : 5m 230V 230V 240V • Conditions 240V Indoor : DB20˚C/WB15˚C Outdoor : DB7˚C/WB6˚C Indoor air flow : High Pipe length : 5m...
  • Page 159 Appending data Outdoor side noise Indoor side noise when blowing High Middle Indoor fan motor rotating speed Compressor frequency/Hz...
  • Page 160 REFRIGERANT SYSTEM DIAGRAM Heat exchanger 3-Way ( INDOOR ) valve Muffler 2-Way valve 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) Strainer Cooling Heating...
  • Page 161 Installation Installation Important Notices 1. The unit installation work must be done by qualified personnel according to the local rules and this manual 2. Before installating, please contact with local authorized maintenance center, if unit is not installed by the authorized maintenance center, the malfunction may not solved due to discommodious contacts 3.
  • Page 162 Installation Safety Requirements For Electric Appliances 1. The power supply should be used the rated voltage and AC exclusive circuit, the power cable diameter should be satisfied. 2. Don't drag the power cable emphatically. It should be reliably earthed, and it should be connected to the special earth device, the installation work should be operated by the professional.
  • Page 163 Installation Install the rear panel 1.Always mount the rear panel horizontally. Due to the water tray of indoor unit has been adopted the both-way drainage design, the outlet of water tray should be adjusted slightly down when installing, that is taking the outlet of the water tray as the center of a circle, the included angle between the evaporator and level should be 0 or more, that is good for condensing water drainage.
  • Page 164 Installation NOTE: When connecting the electric wire if the wire length is not enough, please contact with the authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire are not allowed. The electric wiring must be correctly connected, wrong connection may cause spare parts ●...
  • Page 165 Installation Electric wiring Disassemble the handle on the outdoor unit right side plate. Take off cord anchorage. Connect and fix power connect cord (for cooling and heating unit,connect and fix power N(1) connect cord and signal control wire)to terminal block. blue black brown violet orange yellow-...
  • Page 166 Troubleshooting Guide Troubleshooting Guide Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise the unit display C5 The breaker trips at once when it Measure insulation resistance to ground to see if there is any leakage. is set to "ON".
  • Page 167 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper heck and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
  • Page 168 Troubleshooting Guide The indoor fan motor is burned or breaks or Replace the fan motor or the defective part. has the heat protector malfunction. The built-in heat protector of the motor breaks Replace the fan motor frequently because the motor is The fan does not abnormal.
  • Page 169 C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 b r o k e n , creepage of parallel capacitor of relay loop, Change controller relay is broken etc.) In cool, heat mode,the...
  • Page 170 3.Malfunctions NOTE: <Discharging method> Ω...
  • Page 171 Discharging Position: Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates(ON) normally; (2)Confirmation of Power Voltage Confirm that power voltage is AC 220–230–240 ±10%. If power voltage is not in this range, the unit may not operate normally. 2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement □...
  • Page 172 □ ■ □ □ □ □ ■ □ ■ ■ □ □ ■ □ □ □ □ □ ■ □ ■ ■ □ ■ ■ ■ □ □ □ ■ □...
  • Page 173 Troubleshooting Guide Fan motor works. is too high Blink 11 If higher than 265VAC, Heating: all will stop times until the power supply rise up to normal range then to turn on the unit; 2. If AC input is normal, after unit is turned on, to test the both sides votage of electrolytic capacitor on AP1,...
  • Page 174 Troubleshooting Guide □ ■ ■ ■ □ ■ ■ □ ■ ■ ■ ■ □ □ ■ ■ □ ■ ■ ■ □...
  • Page 175 Troubleshooting Guide 3 How to Check simply the main part (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. If the reactor (L) is correctly connected? If the connection is loose or fallen? If the reactor (L) is damaged? Fault diagnosis process: Switch on the unit...
  • Page 176 (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Mainly detect: If the connection between control panel AP1 and compressor COMP is secure? If loose? If the connec- tion is in correct order? If the voltage input of the machine is within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the compressor coil resistance is normal? If the insulation of compressor coil against the copper tube...
  • Page 177 Troubleshooting Guide Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring terminal L and N machine has run for restore it to board XT is within a period of time?
  • Page 178 3 High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ● Is outdoor ambient temperature in normal range? ● Are the outdoor and indoor fans operating normally? Is the heat dissipation environment inside and outside the unit is good? ●...
  • Page 179 (4) Fail for start up (following AP1 for outdoor unit control board) Mainly detect: Whether the compressor wiring is connected correct? Is time for compressor stopping enough? Is compressor broken? Power on the unit Is stop time of the compressor Restart it up after 3 minutes longer than 3 minutes? Does startup fail?
  • Page 180 Troubleshooting Guide (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Whether the unit voltage is too high? Whether the work voltage is too low? Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 181 Troubleshooting Guide (6)Overload and air exhaust malfunction detect (following AP1 for outdoor unit control board) Mainly detect: Wether the electronic expansion valve is connected well or not? Is electronic expansion valve damaged? Is refrigerant leaked? 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 182 Troubleshooting Guide 7 Power factor correction (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken The failure diagnosis process is as follows: Start Check wiring of the...
  • Page 183 (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? The flow chart for malfunction detect: Start Did the equipment operate...
  • Page 184 Troubleshooting Guide (9) Flow chart for outdoor communitcation circuit detecting: Start Measure voltage at the Test 10 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping Fault with...
  • Page 185 A p p e n d Apendix1: value of indoor/outdoor unit ambient sensor resistance Resistance Temp. Resistance Temp. • • • • • • • • • • • • • • • Temp. Resistance Resistance Temp.
  • Page 186 Troubleshooting Guide Apendix 2: value of indoor/outdoor unit tube sensor resistance Resistance Temp. Resistance Temp. Resistance Temp. • • • • • • • • • • • • • • • • Temp. Resistance...
  • Page 187 Apendix 3: value of indoor/outdoor unit air exhaust sensor resistance Resistance Resistance Resistance Temp. Temp. Resistance • • • • • • • Temp. Temp.
  • Page 188 Disassembly Indoor Unit Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. 1.Disassemble the front panel Front panel Open the front panel, slightly press the both sides of rotating axial of the panel, to make the rotating axial out of groove, can take down the front panel.
  • Page 189 Disassembly 4.Disassemble the electric box cover Slightly press the electric box cover to make the clasps out take down the ambient sensor, can take down the electrric box cover. Ambient temperature sensor Electric box cover Mainboard 5.Disassemble electric box Screw off the screws fix the electrix box, screw off the earh screw, pull out the tube sensor, pull out the air guide motor, the wiring terminal of motor, screw off the screws fixing the displayer, can take down the electric box.
  • Page 190 Disassembly Screws Screw 7.Disassemble the motor Unscrew 1pc screw fixing the motor and cross flow fan, then can take out the motor. Screw Cross flow fan Motor...
  • Page 191 Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. Front panel 1.Disassemble the front panel Open the front panel, slightly press the both sides of rotating axial of the panel, to make the rotating axial out of groove, can take down the front panel.
  • Page 192 Disassembly 4.Disassemble the electric box cover Slightly press the electric box cover to make the clasps out take down the ambient sensor, can take down the electric box cover. Ambient temperature sensor Electric box cover Mainboard 5.Disassemble the electric box Screw off the screws fix the electric box, screw off the earth screw, pull out the tube sensor, pull out the air guide motor, the wiring terminal of motor,...
  • Page 193 Disassembly Screws Connection pipe clamp Screws 7.Disassemble the motor Unscrew 1pc screw fixing the motor and cross flow fan, then can take out the motor. Screws Screw Cross flow fan Motor...
  • Page 194 outdoor Unit 1.Disassemble top cover and handles Screw off screws which fix the top cover, then lift it up, can disassemble the top cover. Screw off the scres which fix the handle, lit it up, can take down the handle. 2.Disassemble the rear grille Sensor Screw off the screws which fix the rear grille, take down...
  • Page 195 Disassembly 4.Disassemble the right side plate Unscrew the screws which fix the right side plate, then lift it up can take down the right side plate. Electric box cover 5.Disassemble the electric box Disassemble the clasps on the electric box cover, then can take down the electric box cover, pull out the motor, compressor, sensor, reactor, and capacitor wire terminal, then screws off...
  • Page 196 Disassembly 7.Disassemble the motor and motor supporter Unscrew four pcs screws which fix the motor, then can take down the motor. Unscrew the screws, which fix the motor supporter, then take down the motor supporter. Screws Motor supporter Screws 8.Disassemble the four-way valve Use the wet cloth wrap four-way valve, unsoldered the four pcs soldered spot on the four-way valve, then can take down the four-way valve.
  • Page 197 Exploded View Exploded View Indoor Unit Model: EVKC 18 DS...
  • Page 198 Exploded View Model: EVKC 24 DS...
  • Page 199 Exploded View Outdoor Unit...
  • Page 200 Replacement Parts List Replacement Parts List Parts List (Indoor) Part Code Description EVKC 18 DS Front Panel Case 20012260 Filter Sub-Assy 1112208901 Front Case Sub-Assy 20012288 Screw Cover 24252016 Display Board 30565038 Evaporator Assy 1002575 Evaporator Support 24212100 Cross Flow Fan 10352019 O-Gasket of Cross Fan Bearing 76512203...
  • Page 201 Replacement Parts List Part Code Description EVKC 24 DS Wall-Mounting Frame 1252004 Rear Case Assy 22202117 Axile Bush 10542008 Crank 10582070 Cross Flow Fan 10352030 O-Gasket sub-assy of Bearing 76512051 O-Gasket of Cross Fan Bearing 76512203 Ring of Bearing 26152025 Helicoid tongue 26112187 Air Louver 1...
  • Page 202 Replacement Parts List Parts List (Outdoor) Part Code Description EVJC 18 DS EVJC 24 DS Axial Flow Fan 10335008 10335008 Fan Motor 1501506301 1501506301 Motor Support Sub-Assy 01705013 01705013 Electric box (fireproofing) 01413148 01413148 4-way Valve Fittings 4300040033 4300040033 4-way Valve Assy 03123151 03123245 Rear Grill...
  • Page 203 Appendix Appendix Method of testing the system at a fixed frequency operation. Compressor frequency shall be set by means of a combination of timing by the remote controller and set temperature, as shown in following table. Number of hours of timing stop is set by the remote controller Temperature is set by the remote controller Frequency (Hz)
  • Page 204 Appendix of timing stop, and in such case, 0.5 hour shall be negligible. For example, if stop time is set at 13.5 hours, for frequency, 13 will be regarded as default; “set temperature -20” is taken as one’s place of set frequency; if temperature is set below 20 degree, one’s place of frequency shall be zero at default.

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