Mitsubishi Electronics MUZ-FDNA manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Mitsubishi Electronics MUZ-FDNA. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Mitsubishi Electronics MUZ-FDNA o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Mitsubishi Electronics MUZ-FDNA se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Mitsubishi Electronics MUZ-FDNA, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Mitsubishi Electronics MUZ-FDNA debe contener:
- información acerca de las especificaciones técnicas del dispositivo Mitsubishi Electronics MUZ-FDNA
- nombre de fabricante y año de fabricación del dispositivo Mitsubishi Electronics MUZ-FDNA
- condiciones de uso, configuración y mantenimiento del dispositivo Mitsubishi Electronics MUZ-FDNA
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Mitsubishi Electronics MUZ-FDNA no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Mitsubishi Electronics MUZ-FDNA y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Mitsubishi Electronics en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Mitsubishi Electronics MUZ-FDNA, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Mitsubishi Electronics MUZ-FDNA, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Mitsubishi Electronics MUZ-FDNA. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    MS-A•W A · MU-A•W A MSZ-A•NA · MUZ-A•NA · MUZ-A•NA - U MSY -A•NA · MUY -A•NA MSZ-FD•NA · MUZ-FD•NA · MUZ-FD•NA - U MSZ-D•NA · MUZ-D•NA · MUZ-D•NA - U MSY -D•NA · MUY -D•NA · MXZ-A•NA SER VICE TECHNICAL GUIDE CONTENTS 1. MS MICROPROCESSOR CONTROL ·················· 4 2. MSZ, MSY MICROPROCES[...]

  • Página 2

    2 Revision A: • MXZ-3A30NA- 1 has been added. Revision B: • MXZ-2A20NA- 1 , MXZ-4A36NA, MSZ-FD, MSZ-D and MSY -D have been added.[...]

  • Página 3

    1. MS MICROPROCESSOR CONTROL ··························································· 4 Indoor unit models Outdoor unit models MS-A09W A MU-A09W A MS-A12W A MU-A12W A 1-1. COOL OPERA TION ··················································[...]

  • Página 4

    4 MS MICROPROCESSOR CONTROL 1 1-1. COOL ( ) OPERA TION MS-A•W A MU-A•W A 2. Indoor fan speed control Indoor fan operates continuously at the set speed by F AN SPEED CONTROL button regardless of the thermostat’s OFF- ON. In AUTO the fan speed is as follows. 1. Thermostat control Thermostat is ON or OFF by difference between room temperature an[...]

  • Página 5

    5 1. Thermostat control Thermostat is ON or OFF by difference between room temperature and set temperature. 2. Indoor fan speed control Indoor fan operates at the set speed by F AN SPEED CONTROL button. When thermostat OFF (compressor OFF), fan speed becomes V ery Low . In AUTO the fan speed is as follows. 4. Coil frost prevention Coil frost preven[...]

  • Página 6

    6 1-3. AUTO V ANE OPERA TION 1. Horizontal vane <SWING operation> In swing operation of ECONO COOL operation mode, the initial air flow direction is adjusted to “Horizontal”. According to the temperature of indoor coil thermistor at starting of this operation, next downward blow time is decided. Then when the downward blow has been finish[...]

  • Página 7

    7 MSZ,MSY MICROPROCESSOR CONTROL 2 2-1. COOL ( ) OPERA TION 2. Indoor fan speed control Indoor fan operates continuously at the set speed by F AN SPEED CONTROL button regardless of the thermostat’s OFF- ON. In AUTO the fan speed is as follows. 1. Thermostat control Thermostat is ON or OFF by difference between room temperature and set temperature[...]

  • Página 8

    8 Set temperature is as shown on the right chart. The system for dry operation uses the same refrigerant circuit as the cooling circuit. The compressor and the indoor fan are controlled by the room tem- perature. By such controls, indoor flow amounts will be reduced in order to lower humidity without much room temperature decrease. 2-2. DR Y ( ) OP[...]

  • Página 9

    9 (2) Cold air prevention control MSZ-A09/12/15/17 MSZ-FD MSZ-D When the compressor is not operating, ( ) if the temperature of room temperature thermistor is less than 66 °F , the fan stops. ( ) if the temperature of room temperature thermistor is 66 °F or more and ( ) if the temperature of indoor coil themistor is less than 32 °F , the fan sto[...]

  • Página 10

    set position set speed set position set speed Indoor fan Compressor normal Outdoor fan R.V . coil (21S4) OFF (COOL) OFF Maximum frequency horizontal Horizontal vane V ery Low (temperature of indoor coil thermistor > 64 °F) 30 seconds 30 seconds 30 seconds 40 seconds 5 seconds 5 seconds 40 seconds OFF OFF OFF ON (HEA T) ON ON ON (HEA T) horizont[...]

  • Página 11

    11 (2) Mode change In case of the following conditions, the operation mode is changed. COOL mode changes to HEA T mode when 15 minutes have passed with the room temperature 4 °F below the set temperature. HEA T mode changes to COOL mode when 15 minutes have passed with the room temperature 4 °F above the set temperature. In the other cases than t[...]

  • Página 12

    12 <SWING operation> In swing operation of ECONO COOL operation mode, the initial air flow direction is adjusted to “Horizontal”. According to the temperature of indoor coil thermistor RT12 at starting of this operation, next downward blow time is decided. Then when the downward blow has been finished, next horizontal blow time is decided[...]

  • Página 13

    13 MUZ-A24 MUY -A24 MUZ-D MUY -D POWER SUPPL Y NOISE FIL TER CIRCUIT RESISTOR RELA Y SMOOTHING CAP ACITOR CURRENT TRANSFORMER COMPRESSOR REACTOR P W V U N IPM PFC U W MS 3~ V + Function of main parts NAME FUNCTION INTELLIGENT POWER MODULE (IPM) It supplies three-phase AC power to compressor . SMOOTHING CAP ACIT OR It stabilizes the DC voltage and s[...]

  • Página 14

    Input current waveform without P AM Input current waveform with P AM Due to the time of no electricity; · Power factor gets worse. · Harmonic gets increased. Input voltage Energized time is short in case L inductance is small. No electricity runs into diode module because the voltage at both sides of smoothing capacitor is higher than input volta[...]

  • Página 15

    15 4. Intelligent power module IPM consists of the following components · IGBT (x6) : Converts DC waveform to three-phase AC waveform and outputs it. · Drive Circuit : Drives transistors. · Protection circuit : Protects transistors from overcurrent. Since the above components are all integrated in IPM, IPM has a merit to make the control circuit[...]

  • Página 16

    16 2-7-3. Sine wave control In these air conditioners, compressor equips brushless DC motor which doesn't have Hall element. In short, the motor is sensorless. However , it's necessary to locate the polar direction of rotor in order to drive brushless DC mo- tor ef fi ciently . The general detection method of the polar direction for such[...]

  • Página 17

    17 2-8. OPERA TIONAL FREQUENCY CONTROL OF OUTDOOR UNIT 1. Outline The operational frequency is as following: First, the target operational frequency is set based on the difference between the room temperature and the set tem- perature. Second, the target operational frequency is regulated by discharge temperature protection, high pressure protectio[...]

  • Página 18

    18 2-9. EXP ANSION V AL VE CONTROL (LEV CONTROL) (1) Outline of LEV control The LEV basic control is comprised of setting LEV opening degree to the standard opening °F set for each operational frequency of the compressor . However , when any change in indoor/outdoor temperatures or other factors cause air con- ditioning load fluctuation, the LEV c[...]

  • Página 19

    19 (2) T ime chart OFF T ime Ti m e ON Operational frequency of the compressor Commanded to open Standard opening degree Opening degree is corrected according to discharge temperature. Positioning Air conditioner ON Air conditioner OFF (thermostat off) LEV opening degree about 5 minutes <COOL, DRY> about 15 minutes <HEA T> (3) Control d[...]

  • Página 20

    20 (b) Reference value of LEV standard opening degree (pulse) Applied model A B C D E F MUZ-A09/12 COOL 130 190 240 260 260 260 HEA T 100 130 170 210 230 230 MUZ-A15/17 MUY -A15/17 COOL 290 300 350 350 370 370 HEA T 130 150 220 250 280 300 MUZ-A24 MUY -A24 COOL 150 166 186 206 230 260 HEA T 130 150 170 196 210 226 MUZ-FD COOL 180 240 300 320 320 32[...]

  • Página 21

    21 MXZ MICROPROCESSOR CONTROL 3 3-1. INVERTER SYSTEM CONTROL MXZ-A•NA POWER SUPPL Y NOISE FIL TER CIRCUIT RESISTOR RELA Y SMOOTHING CAP ACITOR CURRENT TRANSFORMER COMPRESSOR REACTOR P W V U N IPM PFC U W MS 3~ V + 3-1-1. Inverter main power supply circuit Function of main parts NAME FUNCTION INTELLIGENT POWER MODULE (IPM) It supplies three-phase [...]

  • Página 22

    22 3. Power factor improvement Booster coil reactor and PFC rectify AC to DC and control its voltage. In the motor drive system of sine wave control, power factor can be improved by reducing harmonics. PFC and reactor stabi- lize the voltage of DC supplied to inverter circuit and make its waveform smooth. 4. Power transistor module IPM consists of [...]

  • Página 23

    23 3-2. EXP ANSION V AL VE CONTROL (LEV CONTROL) Linear expansion valve (LEV) is controlled by “Thermostat ON” commands given from each unit. Indoor unit status LEV opening Stop of all indoor unit Opening before stop → 500 pulse in 15 minutes When outdoor unit is operating, some indoor units stop and some operate. COOL : 5 pulse (full closed)[...]

  • Página 24

    24 In COOL mode, the two indoor coil thermistors (one main and one sub) sense temperature ununiformity (super heat) at the heat exchanger , and when temperature difference have developed, the indoor coil thermistors adjust LEV opening to dimin- ish the super heat. This action is called Evaporation T emperature Protection. Indoor heat exchanger (MXZ[...]

  • Página 25

    25 23 54 69 84 100 1 15 131 146 38 14 32 41 50 59 68 77 86 MXZ-2A MXZ-3A/4A 23 Compressor operating frequency (Hz) 4Hz 01 02 03 04 05 06 07 08 09 10 LEV Opening (code) Determination of LEV standard opening in each indoor unit • The standard opening is on the straight line, which connects an each standard point in the section where divided into se[...]

  • Página 26

    26 MXZ-3A30NA- 1 MXZ-4A36NA Exclusive LEV Standard opening (pulse) LEV Opening (code) 123456789 1 0 COOL 126 130 134 138 150 160 170 180 190 200 HEA T 248 248 258 266 274 280 286 292 300 306 Difference in capacity Difference in operation number Code3,4 Code5,6 Code7,8 Code9,10 Code1 1,12 Code13,14 Code15or above 23 4( MXZ-4A ) COOL 3 6 9 12 15 25 3[...]

  • Página 27

    27 (1) LEV opening correction by discharge temperature The target discharge temperature is determined according to frequency zone and number of operation unit of the com- pressor . <Correction> COOL DRY HEA T Discharge temperature ● 2 ● 2 ● Each correction • (Each gas pipe temperature thermistor - Minimum gas pipe temperature thermist[...]

  • Página 28

    28 Correct the LEV opening according to the difference between target discharge temperature and discharge temperature. (2) Separate correction (COOL,DR Y) (Correction by the separate super heat) a) Correct the LEV separately by temperature difference between each gas pipe temperature and the minimum gas pipe temperature of all. Calculate each super[...]

  • Página 29

    29 3-3. OPERA TIONAL FREQUENCY RANGE b) Correct the LEV separately by temperature difference “ ∆ RT” between main/sub indoor coil thermistor . ∆ RT LEV opening correction (pulse) 10.8 ∆ RT 2 7.2 ∆ RT < 10.8 1 ∆ RT < 7.2 1 In addition, decrease the target discharge temperature corresponding ∆ RT . ∆ RT T emperature to be decr[...]

  • Página 30

    30 3-6. OUTDOOR F AN CONTROL Fan speed is switched according to the number of operating indoor unit and the compressor frequency . 3-5. DISCHARGE TEMPERA TURE PROTECTION CONTROL This protection controls the compressor ON/OFF and operation frequency according to temperature of the discharge tempera- ture thermistor . (1) Compressor ON/OFF When tempe[...]

  • Página 31

    31 1. Pre-heat control is turned ON for 15 or 30 min, after the breaker is turned ON. 2. 30 min. after the unit is stopped, pre-heat control is turned ON for 15 or 30 min. and turned OFF for 30 min." This is repeated as shown in the graph until the breaker is turned OFF . When outside temperature is 68 °F or below , pre-heat control is ON for[...]

  • Página 32

    New publication, effective Feb. 2008 Specifications subject to change without notice. Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO.,L TD Distributed in Feb. 2008. No. OBT16 REVISED EDITION-B 6 Distributed in May 2007. No. OBT16 REVISED EDITION-A 7 Distributed in Apr . 2006. No. OBT16 7 Made in Japan HEAD OFFICE: TOKYO BLDG.,2-7-3, MARUNOUCHI, [...]