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Mitsubishi Electric MXZ-2B20NA Installation Manual
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Mitsubishi Electric MXZ-2B20NA Installation Manual

Mitsubishi Electric MXZ-2B20NA Installation Manual

Split-type air conditioners
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See also: Service Manual , Installation Manual
MITSUBISHI
ELECTRIC
Split-type Air-Conditioner
IViXZ-2B20NA
iNSTALLATiON MANUAL
]
•
Refer to the installation
manual of each indoor unit for indoor unit in- |
/
stallation.
This manual mentions
how to install only the outdoor
unit MXZ-2B20NA.
As for the way of installation for indoor unit, please refer to the installation manual
being attached
each indoor unit.
The installation manual details the suggested
installation method.
Any structural
alterations
necessary
for installation must comply
with local building
code requirements.
1. BEFORE INSTALLATION ..............................................................................
2
2. OUTDOOR UNIT INSTALLATION .................................................................
5
3. FLARING WORKAND
PIPE CONNECTION .................................................
6
4. PURGING PROCEDURES,
LEAK TEST, AND TEST RUN ........................... 7
5. RELOCATION AND MAINTENANCE
............................................................
8
FOR INSTALLER

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Summary of Contents for Mitsubishi Electric MXZ-2B20NA

  • Page 1 | stallation. This manual mentions how to install only the outdoor unit MXZ-2B20NA. As for the way of installation for indoor unit, please refer to the installation manual being attached each indoor unit.
  • Page 2 Frequency unit / for multi-system height difference door unit / for multi system 208/ MXZ-2B20NA 60 Hz 25 m (82 ft) / 50 m (t64 ft) 15 m (49 ft) 25 / 50 20 g/m (t .08 oz each 5 ft) 230 V "1 Never use pipes with thickness less than specified.

  • Page 3: Selecting The Installation Location

    1-4. SELECTING PIPE SIZE AND OPTIONAL DIFFERENT=DIAMETER JOINTS The diameter of connection pipes differs according to the type and capacity of indoor units. Match the diameters of connection pipes for indoor and outdoor units according to the following table. • If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter...
  • Page 4 2 to 7 Open as a rule To use existing piping, perform (J) Fixing screw for (I) 2 to 7 MXZ-2B20NA More than 500 mm COOL operation for 30 minutes (19.69 in.) ifthe front and pump down before removing (K) Wall hole sleeve both sides the otd air conditioner.
  • Page 5 • Screws should be tightened so they won't loosen. ELECTRICAL SPECIFICATIONS OUTDOOR UNIT MXZ-2B20NA 208/230,1,60 Power supply (V, PHASE, Hz) Max. Fuse size (time delay) (A) Min. Circuit Ampacity 0.96 Fan motor (F.LA) 10.1 (R.LA)
  • Page 6 3=1. FLARING WORK 1) Cut the copper pipe correctly with pipe cutter. (Fig. t, 2) Good No good 2) Completely remove all burrs from the cut cross section of pipe. (Fig. 3) • Put the end of the copper pipe to downward direction as you opper remove burrs in order to avoid to let burrs drop in the piping.

  • Page 7: Gas Charge

    4-1. PURGING PROCEDURES AND LEAK TEST 0.101MPa Compound pressure Stop valve cap [-760 mmHg gauge (for R410A) _4 to 5 turns (Torque 19.6 to (-30 in.Hg)] 1) Remove service port cap of stop valve on the side of the outdoor unit 29.4 N.m, 200 to Pressure gauge...
  • Page 8 4=3. TEST RUN • Be sure to perform the test run for each unit. Make sure each indoor unit operates properly following the installation manual attached to the unit. • If you perform the test run for all indoor units at once, you cannot detect any erroneous connection, if any, of the refrigerant pipes and the indoor/outdoor unit connecting...

  • Page 9: Mitsubishi Electric

    Se reporter au manuel d'installation de chaque appareil int6rieur pour ] proc6der a leur installation. Le present manuel d_crit la procedure a suivre pour installer I'unit_ externe uni- quement MXZ-2B20NA. Pour en savoir plus sur I'installation des unit_s internes, consulter le manuel d'installation accompagnant chacune de ces unit_s.

  • Page 10: Outils Necessaires

    Dosage du r_frig_rant A*5 nale syst_me a plusieurs appareils t_me _ plusieurs appareils 208/ MXZ-2B20NA 60 Hz 25 m (82 ft) / 50 m (t64 ft) 15 m (49 ft) 25 / 50 20 g/rn (1,08 once tousles 5 ft "1 N'utilisez jamais des tuyaux dont I'epaisseur est inferieure a celle recom-...
  • Page 11 1=4. CHOIX DE LA DiMENSiON DES TUYAUX ET DES JOINTS DE DIAMETRE DIFFERENT EN OPTION Le diam_tre des tuyaux de connexion d6pend du type et de la capacit6 des appareils int6rieurs. Faire correspondre le diam_tre des tuyaux de connexion des appareils int6rieur et ext6rieur selon le tableau suivant. •...
  • Page 12 (EIj) minutes et lancer Faspirafion (H) Mastic d'au moins 500 mm (19,69in.) avant de proc6der a ta d6pose MXZ-2B20NA si le devant et les deuxc6t6s de I'ancien climatiseur. Reformer Attache de fixation pour tuyau 2 a 7 i'6crou 6vas6 en respectant...
  • Page 13 2=1. BRANCHEMENT DES CABLES DE L'APPAREIL EXTERIEUR • Veiller a utiliser des circuits sp6ciaux pour le climatiseur. • Le c_blage dolt _tre conforme aux normes techniques applicables. • Le c_blage dolt _tre connect6 conform6ment au sch6ma. •Les vis doivent _tre serr6es de fagon a 6viter leur desserrage. SPECIFICATIONS ELECTRIQUES Appareil ext@ieur MXZ_2B20NA...
  • Page 14 3=1. TRAVAUX D'EVASEMENT 1) Coupez correctement le tuyau en cuivre avec un coupe4uyaux. (Fig. I, 2) Conforme Non conforme 2) Ebarbez parfaitement la partie trongonn6e du tuyau. (Fig. 3) uyau en • Dirigez I'extr6mit6 du tuyau en cuivre vers le bas Iors de 1'6bar- bage de fagon a 61iminer les bavures de I'int6rieur du tuyau.
  • Page 15 4-1. PROCEDURES DE PURGE ET TEST DE CONTROLE DES FUITES -0,101 MPa Manometrecornbine [-760 rnrnHg (pour le rnodele R410A) *4 a 5 tours 1) Retirez le bouchon de I'ouverture de service du robinet d'arr_t du c6t6 Bouchon du robinet d'arret (-30 in.Hg)] Man0m@e du conduit...
  • Page 16 4=3. ESSAI • Toujours mener a bien I'essai de fonctionnement pour chaque appareil V6rifier si chaque appareil fonctionne correctement conform6ment aux indica- tions de son manuel d'installation • Si vous effectuez I'essai de fonctionnement pour tousles appareils int6rieurs en m_me temps, vous ne pourrez pas d6tecter une connexion erron6e, cas 6ch6ant, des tuyaux de r6frig6rant...

  • Page 17: Para El Instalador

    MITSUBISHI ELECTRIC Acondicionadores de aire de tipo dividido IViXZ-2B20NA MANUAL DE INSTALACION • Para la instalaci6n de las unidades interiores, consulte el manual de instala- ] ci6n incluido en cada unidad interior. Este manual corresponde _nicamente a la instalacion de la unidad exterior MXZ- 2B20NA.
  • Page 18 208/ 25 m (82 pies) / MXZ-2B20NA 60 Hz 15 m (49 pies) 25 / 50 20 g/m 230 V 50 m (164 pies) (t ,08 onzas por cada 5 pies) "1 Nunca utilice tuberias de grosor menor que el especificado.
  • Page 19 14. SELECCION DE LAS MEDIDAS DE LOS TUBOS Y JUNTAS PAPA DISTINTOS DIAMETROS OPCIONALES El di_metro de los tubos de conexi6n varia en funci6n del tipo y capacidad de las unidades interiores. Trabaje con los valores de di_metro de la siguiente tabla para la conexi6n de los tubos en las unidades interiores y exteriores.
  • Page 20 Para utilizar tuberias ya exis- (H) Masilla Normalmente abierto tentes, active el modo COOL Banda de fijaci6n del tubo MXZ-2B20NA de 500 (REFRtGERACK_N) durante (19,69 pulg,) si la parte (J) Tornillo de fijaci6n para (I)
  • Page 21 • Las conexiones de cableado deben realizarse seg_n el siguiente diagram& • Los tomillos deben apretarse de forma que no se suelten ESPECIFICACIONES ELECTRICAS UNIDAD EXTERIOR MXZ-2B20NA Atimentaci6n (V, FASE, Hz) 208/230, 1,60 Tamale max. fusibte (retardo) Amperaje rain. del circuito (A)
  • Page 22 3-1. TAREAS DE ABOCARDAMIENTO 1) Corte el tubo de cobre correctamente con un cortador de tubos. (Fig. I, 2) Bien 2) Elimine completamente las rebabas del corte transversal del tubo. (Fig. 3) 90° I '_ Tuberia • AI eliminar las rebabas, ponga el extremo de la tuberia de cobre hacia abajo para evitar que queden en el interior.
  • Page 23 4-1. PROCEDIMIENTO DE PURGADO Y PRUEBADE FUGAS -0,101 [-760 mmHg tndicador de presi6n 1) Retire la tapa de la abertura de servicio de la v_lvula de retenci6n *4 a 5 vueltas ( 30 pulg.Hg)] compuesto (para R410A) tuada en el lade de la tuberia de gas de la unidad exterior. (La v_lvula Tapa de la valvula de retenci6n Man6metro de retenci6n...

  • Page 24: Para El Usuario

    4=3. COMPROIBACION DE FUNCIONAMIENTO • Aseg_rese de realizar el test en cada unidad. Compruebe que cada unidad interior funciona adecuadamente siguiendo el manual de instalaci6n incluido en la unidad. • Si efectOa el test en todas las unidades interiores a la vez, no podr_ detectar ninguna conexi6n err6nea, si existiera, en los tubos refrigerantes yen los...
  • Page 25 _' MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN JG79A253H02...

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