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Manual Mitsubishi Electronics SEZ-A18

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  • Mitsubishi Electronics SEZ-A18 - page 1

    Air -Conditioner s SEZ-A12, A18, A24AR English INST ALLA TION MAN U AL For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit. FOR INSTALLER ...

  • Mitsubishi Electronics SEZ-A18 - page 2

    2 Contents 1. Safety precautions ................................................................................... 2 2. Selecting the installation location ............................................................. 2 3. Installation diagram & Accessories .......................................................... 3 4. Indoor unit installati ...

  • Mitsubishi Electronics SEZ-A18 - page 3

    3 3. Installation diagram & Accessories 3.1. Indoor unit (Fig. 3-1) 1 Air inlet (rear side) *Select the either back side or bottom side 2 Electrical par ts bo x 3 Suspension bolt pitch 5 Access door 6 Service space (It is necessar y to maintain a working service area from the ceiling.) 7 Air inlet (bottom side) *Select the either back side or b ...

  • Mitsubishi Electronics SEZ-A18 - page 4

    4 AB 1 2 3 3. Installation diagram & Accessories Fig. 3-3 3.3. Checking the indoor unit accessories (Fig. 3-3) Check that the indoor unit is equipped with the f ollo wing parts and accessor ies: A Refrigerant pipe parts 1 Pipe cov er (for refrigerant piping joint) Small diameter × 1 Large diameter × 1 2 Bands for tempor ary tightening of pipe ...

  • Mitsubishi Electronics SEZ-A18 - page 5

    5 5. Refrig erant piping w ork 5.1. Refrigerant pipe (Fig. 5-1) Maximum difference betw een heights of indoor unit and outdoor unit, the length of refrigerant piping and the number of bends in piping are within limits shown belo w . Models (A) Pipe length (B) Height (C) Number of (one wa y) difference bends (one way) SEZ-A12AR max. 20 m max. 12 m m ...

  • Mitsubishi Electronics SEZ-A18 - page 6

    6 a d c b ef 90 ° d c b a 5. Refrigerant piping work b a a b e b c d c A 5.2. Flaring work • Main cause of gas leakage is def ect in flaring work. Carry out correct flar ing w ork in the following procedure . 5.2.1. Pipe cutting (Fig. 5-3) • Using a pipe cutter cut the copper tube correctly . 5.2.2. Burrs remo v al (Fig. 5-4) • Completely re ...

  • Mitsubishi Electronics SEZ-A18 - page 7

    7 5. Refrig erant piping w ork 5.4. Purging pr ocedures leak test PURGING PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoor and the outdoor units. Remove the service port cap of the stop valv e on the side of the outdoor unit gas pipe . (The stop valv e will not work in its initial state fresh out of the f ...

  • Mitsubishi Electronics SEZ-A18 - page 8

    8 7. Electrical work N A B H C F D E A G N 2 3 N 2 3 N L L 1 2 N B C F E N 2 3 12 N L L A H A D C E A G N 3 N F N L L (1) SEZ-A12AR (1:1 SYSTEM) 7.1. P ower supply (Fig. 7-1) Electrical specification Input capacity Main Switch/Fuse (A) P ow er supply SEZ-A12AR SEZ-A18AR SEZ-A24AR (1 phase ~/N, 220-240V , 50Hz) 10 20 20 Warning: • Do not use inter ...

  • Mitsubishi Electronics SEZ-A18 - page 9

    9 7. Electrical work Fig. 7-4 LN N 2 3 N 2 3 1 2 5 12 7 6 3 4 65 mm 15 mm 1 2 Fig. 7-3 • P erform wiring as shown in the diagr am to the lower left. (Procure the cable lo- cally). (Fig. 7-3) Make sure to use cables of the correct polarity only . 1 Connecting cable 2 P ow er supply cable 4 core VVF cab le 3 core with ground IEC cord • SEZ-A12:1. ...

  • Mitsubishi Electronics SEZ-A18 - page 10

    10 7.4. Outdoor unit (Fig. 7-8) • Connect cable from the indoor unit correctly on the terminal-bloc k. • Use the same terminal block and polarity as is used with the indoor unit. • For aftercare maintenance , giv e extr a length to connecting cable . • Both end of connecting cable (e xtension wire) are peeled off . When too long, or connect ...

  • Mitsubishi Electronics SEZ-A18 - page 11

    11 9. Air filter installation 9.1. Confirmation of enc losed par ts (Fig. 9-1) • Please ensure all the par ts sho wn below are present bef ore starting installation. 1 Filter × 1 2 Filter rail × 1 3 Filter rail × 1 4 ST . screw (4 × 10) × 14 5 Clamp × 2 6 Seal × 2 12 3 Fig. 9-1 6 Cut out Cut out Hole 45 A A B C C 2 1 3 4 Fig. 9-2 9.2. Filt ...

  • Mitsubishi Electronics SEZ-A18 - page 12

    12 9. Air filter installation 9.4. Filter installation points (Rear air intake) (Fig. 9-4) 1. Inser t the filter into rail 2 2. Hook the filter onto rail 3 A Control box B Drain pan D Filter E Rail 2 F Rail 3 Fig. 9-4 1 2 B A E D F Fig. 9-5 2 1 A E D F A F H G E 9.5. Filter installation points (Bottom air intake) (Fig. 9-5) 1. Inser t the filter in ...

  • Mitsubishi Electronics SEZ-A18 - page 13

    13 10.1. Bef ore test run s After completing installation and the wiring and piping of the indoor and outdoor units, c heck f or refrigerant leakage, looseness in the power suppl y or control wiring, wr ong polarity , and no disconnection of one phase in the supply . s Use a 500-volt megohmmeter to c heck that the resistance between the po wer supp ...

  • Mitsubishi Electronics SEZ-A18 - page 14

    14 10.4. A UT O REST ART FUNCTION This model is equipped with the A UT O REST ART FUNCTION. When the indoor unit is controlled with the remote controller , the operation mode, set temperature , and the fan speed are memorized b y the indoor controller board. The auto restart function sets to wor k the moment the po wer has restored after power f ai ...

  • Mitsubishi Electronics SEZ-A18 - page 15

    15 1 Wiring from the Remote Control This wire is connected to terminal block f or remote controller of the indoor unit (non- polar). 2 When a Different Refrigerant System Grouping is Used. Up to 4 refrigerant systems can be controlled as one group using the MA remote controller . There is need to set up JP17, JP18 jumper wire of indoor controller b ...

  • Mitsubishi Electronics SEZ-A18 - page 16

    Please be sure to put the contact address/telephone number on this manual before handing it to the customer. • Low Voltage Directive 73/23/ EEC • Electromagnetic Compatibility Directive 89/ 336/ EEC This product is designed and intended for use in the residential, commercial and light-industrial environment. HEAD OFFICE: MITSUBISHI DENKI BLDG., ...

Manufacturer Mitsubishi Electronics Category Air Conditioner

Documents that we receive from a manufacturer of a Mitsubishi Electronics SEZ-A18 can be divided into several groups. They are, among others:
- Mitsubishi Electronics technical drawings
- SEZ-A18 manuals
- Mitsubishi Electronics product data sheets
- information booklets
- or energy labels Mitsubishi Electronics SEZ-A18
All of them are important, but the most important information from the point of view of use of the device are in the user manual Mitsubishi Electronics SEZ-A18.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Mitsubishi Electronics SEZ-A18, service manual, brief instructions and user manuals Mitsubishi Electronics SEZ-A18. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Mitsubishi Electronics SEZ-A18.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Mitsubishi Electronics SEZ-A18 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Mitsubishi Electronics SEZ-A18.

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