Trane Mitsubishi Electric NTXMMX20A122A Series Installation Manual Download Page 4

En-3

1-5. INSTALLATION DIAGRAM

Units should be installed by licensed contractor according to 

local code requirements.

After  the  leak  test,  apply  insulat

-

ing material tightly so that there 

is no gap.

When the piping is to be attached to 

a wall containing metals (tin plated) 

or metal netting, use a chemically 

treated wooden piece 25/32 in. (20 

mm)  or  thicker  between  the  wall 

and the piping or wrap 7 to 8 turns 

of  insulation  vinyl  tape  around 

the piping.

To use existing piping, perform 

COOL operation for 30 minutes 

and  pump  down  before  removing 

the old air conditioner. Remake flare 

according to the dimension for new 

refrigerant.

PARTS TO BE PROVIDED AT YOUR SITE

(A) Power supply cord*

1

(B)

Indoor/outdoor unit connecting wire*

1

(C) Extension pipe

1

(D)

Wall hole cover

1

(E) Piping tape

1

(F)

Extension drain hose (or soft PVC 

hose, 19/32 in. (15 mm) inner 

diameter or hard PVC pipe VP16)

1

(G)

Refrigeration oil

Little 

amount

(H)

Putty

1

(I)

Pipe fixing band

2 to 7

(J) Fixing screw for (I)

2 to 7

(K) Wall hole sleeve

1

(L)

Soft PVC hose, 15 mm inner 

diameter or hard PVC pipe VP16 

for drain socket (1)

1

* Note:

Place  indoor/outdoor  unit  connecting  wire  (B)  and 

power supply cord (A) at least 3 ft. (1 m) away from 

the TV antenna wire.

The “Q’ty” for (B) to (K) in the above table is quantity 

to be used per indoor unit.

More than 

3-15/16 in. 

(100 mm)

Open as a rule

More than 19-11/16 in.  

(500 mm) if the front 

and both sides are open

More than 3-15/16 in. (100 mm)

More than 7-7/8 in. (200 mm) if there are 

obstacles to both sides

Open as a rule

More than 19-11/16 in. (500 mm) if the 

back, both sides and top are open

More than 13-25/32 in. 

(350 mm)

2-1. INSTALLING THE UNIT

Fix here with 

M8 bolts.

Make the foundation 

deeper.

Make the foundation 

wider.

•  Be sure to fix the unit’s legs with bolts when installing it.

•  Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust.

•  Refer to the figure in the below for concrete foundation.

2.  OUTDOOR UNIT INSTALLATION

Outdoor unit installation

Air inlet

Air outlet

Unit : inch

Outdoor unit installation

33-1/16

19-11/16

6-21/32

4-13/32 × 13/16

oval holes (Base bolt M8)

Air inlet

13

14-3/16

15-19/32

Unit : mm

Air inlet

169

500

Air inlet

396

Air outlet

840

361

330

4-10 × 21 

oval holes (Base bolt M8)

VG79A939H01_01En.indd   3

2018/08/03   15:53:01

Summary of Contents for Mitsubishi Electric NTXMMX20A122A Series

Page 1: ...l installation de l appareil ext rieur Lors de l installation de l appareil int rieur consultez la notice d installation de cet appareil Toute alt ration structurelle requise pour l installation doit...

Page 2: ...se parts both in the outlet and on the plug Verify that the power supply plug is completely in the outlet If there is dust blockage or loose parts on the power supply plug or the outlet it could cause...

Page 3: ...and on the sides of the unit No obstacle above the unit FREE SPACE REQUIRED AROUND OUTDOOR UNIT Service space When installing the unit in an area that is enclosed with walls such as a verandah be sur...

Page 4: ...meter or hard PVC pipe VP16 for drain socket 1 1 Note Place indoor outdoor unit connecting wire B and power supply cord A at least 3 ft 1 m away from the TV antenna wire The Q ty for B to K in the abo...

Page 5: ...AWG14 or stranded conductor Min AWG14 Use double insulated copper wire with 600 V insulation Use copper conductors only Follow local electrical code POWER SUPPLY CABLE Use solid or stranded conductor...

Page 6: ...burr removal Not possible to put them on after flaring work 4 Flaring work Fig 4 5 Firmly hold copper pipe in the dimension shown in the table Select A inch mm from the table according to the tool se...

Page 7: ...ping correction function This unit has a wiring piping correction function which corrects wiring and piping combination When there is possibility of incorrect wiring and piping combination and confirm...

Page 8: ...manual about the method for stopping the operation If too much refrigerant has been added to the air conditioner system the pressure may not drop to 0 1 to 0 psi Gauge 0 05 to 0 MPa or the protection...

Page 9: ...de la fiche d alimentation dans la prise secteur v rifiez qu aucune poussi re salet ni d l ment desserr n est pr sent sur la prise et la fiche Veillez enfoncer fond la fiche d alimentation dans la pr...

Page 10: ...l unit externe Pour viter tout probl me de fonctionnement vitez d installer le climatiseur dans les endroits suivants En pr sence de fuites de gaz inflammable En pr sence d une grande quantit d huile...

Page 11: ...pour l appareil int rieur Apr s le test de contr le des fuites appliquer soigneusement du mat riau isolant pour obstruer les trous Si la tuyauterie doit tre fix e sur un mur contenant des m taux de l...

Page 12: ...ser des conducteurs en cuivre uniquement Respecter le code lectrique local AVERTISSEMENT Utiliser le c ble de connexion conforme aux normes techniques pour raccorder les unit s interne et externe et f...

Page 13: ...l ouverture de service pour recr er les conditions d origine 10 Test de contr le des fuites 3 2 RACCORDEMENT DES TUYAUX 1 Appliquez une fine couche d huile r frig rante G sur les embouts vas s des tuy...

Page 14: ...et de c blage des appareils int rieurs ext rieurs Vous devez donc lancer les essais de fonctionnement l un apr s l autre Concernant le m canisme de protection contre une remise en marche trop rapide...

Page 15: ...de l appareil int rieur pour la m thode d arr t du syst me Si trop de r frig rant a t ajout au syst me de climatisation il se peut que la pression ne parvienne pas baisser jusqu 0 1 0 psi jauge 0 05...

Page 16: ...a toma podr a provocar incendios o descargas el ctricas Si el enchufe de alimentaci n presenta piezas sueltas sustit yalo Fije firmemente la cubierta de la instalaci n el ctrica a la unidad interior y...

Page 17: ...el lado de salida de aire de la unidad exterior Para instalar el aparato de aire acondicionado evite los lugares siguientes donde es m s probable que ocurran problemas Donde pueda haber una fuga de ga...

Page 18: ...3 15 16 pulg 100 mm M s de 7 7 8 pulg 200 mm si hay obst culos a ambos lados Despu s de la prueba de fugas aplique material aislante de modo que no queden huecos Cuando los tubos deban instalarse en...

Page 19: ...de cobre Siga la normativa el ctrica local ATENCI N Conecte las unidades interior y exterior con el cable de conexi n norma lizado destinado a este fin y sujete bien el cable al panel de terminales de...

Page 20: ...pa de la abertura de servicio de la v lvula de retenci n situada en el lado de la tuber a de gas de la unidad exterior Inicialmente las v lvulas de retenci n est n completamente cerradas y cubiertas c...

Page 21: ...ger el acondicionador de aire Funci n de correcci n de conexiones tuber as Esta unidad tiene una funci n de correcci n de conexiones tuber as que corrige la combinaci n de las mismas Cuando exista la...

Page 22: ...te el manual de instalaci n de la unidad interior para m s detalles acerca del m todo de detenci n de la operaci n Si se ha a adido demasiado refrigerante al sistema con acondicionador de aire puede q...

Page 23: ...A4_white_tombo indd 1 2016 04 25 10 16 47...

Page 24: ...G79A939H01 HEAD OFFICE 1340 SATELLITE BOULEVARD SUWANEE GA 30024 USA MITSUBISHI ELECTRIC TRANE HVAC US LLC VG79A939H01_cover4 indd 2 2018 08 03 11 27 51 Publication No DL SVN035A XX Published Dec 2018...

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