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<ORIGINAL>
Air-Conditioners
PEA-M100, 125, 140, 160HAA
INSTALLATION MANUAL
FOR INSTALLER
English
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.

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Summary of Contents for Mitsubishi Mr. Slim PEA-M160HAA

  • Page 1 <ORIGINAL> Air-Conditioners PEA-M100, 125, 140, 160HAA INSTALLATION MANUAL FOR INSTALLER English For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
  • Page 2: Table Of Contents

    - It may also be in violation of applicable laws. • Do not use intermediate connection of the power cord or the extension - MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for cord and do not connect many devices to one AC outlet.
  • Page 3: Selecting The Installation Location

    1. Safety precautions • For installation and relocation work, follow the instructions in the installation • If the air conditioner is installed in a small room or closed room, measures manual and use tools and pipe components specifically made for using with must be taken to prevent the refrigerant concentration in the room from refrigerant specified in the outdoor unit installation manual.
  • Page 4: Fixing Hanging Bolts

    3. Selecting an installation site & Accessories [Fig. 3-2-2] [Fig. 3-2-4] Access door 1 100 ~ 200 (450 × 450) Access door 1 100 ~ 200 (450 × 450) Control box Control box Bottom of indoor unit inlet outlet inlet outlet Access door 2 (600 ×...
  • Page 5: Installing The Unit

    5. Installing the unit 5.1. Moving the unit to ceiling space (1) When the fan unit does not need to be separated from the coil unit ① Bring the indoor unit to an installation site as it is packed. ② To hang the indoor unit, use a lifting machine to lift and pass through the hanging bolts. [Fig. 5-1-1] [Fig.
  • Page 6 5. Installing the unit ④ Remove all the screws Ⓐ through Ⓕ connected to the coil unit from inside of the fan box to separate the fan unit. Screw holes Ⓖ and Ⓗ shown in Fig. 5-1-4 are double- snowman-shaped. Do not unscrew the screws Ⓖ and Ⓗ all the way; only loosen them partway. To separate the fan unit from the coil unit, lift the fan unit and move it away from the coil unit. The coil unit has an insulation material attached to its bottom (on the drain-pan side). Do not drag the coil unit when moving it. [Fig.
  • Page 7: Refrigerant Piping Work

    6. Refrigerant piping work 6.1. Refrigerant pipe • Completely remove all burrs from the cut cross section of pipe/tube. • Put the end of the copper tube/pipe to downward direction as you remove burrs [Fig. 6-1] in order to avoid burrs drop in the tubing. 6.2.3.
  • Page 8 6. Refrigerant piping work Warning: Check the vacuum with the gage manifold valve, then close the gage manifold valve, Be careful of flying flare nut! (Internally pressurized) and stop the vacuum pump. Remove the flare nut as follows: 1. Loosen the nut until you hear a hissing noise. Leave it as is for one or two minutes.
  • Page 9: Duct Work

    7. Duct work • In connecting duct, insert canvas duct between unit and duct. • To prevent damage to the inlet flange, install the duct so that a load of • Use incombustible material for duct parts. 3 kg or heavier will not be applied to the inlet flange. [Fig. 7-1-2] • Provide full insulation to inlet duct flange, outlet duct flange and outlet duct to •...
  • Page 10 8. Electrical work 8.2. Indoor wire connection [Fig. 8-2-4] Please identify the model name of the operation manual attached on the terminal block box with that shown on the rating name plate. 1. Loosen the three screws holding the cover to dismount the cover. [Fig.
  • Page 11 8. Electrical work 8.3. Remote controller (wireless remote controller For pair number settings, the following 4 patterns (A-D) are available. (option)) Pair number Pair number on Indoor controller circuit board side Point setting pattern remote controller side where the daisy wire is disconnected 8.3.1. For wireless remote controller (option) 1) Installation area Not disconnected •...
  • Page 12 8. Electrical work 8.4. Function settings ⑤ [Fig. 8-4-5] 8.4.1 For wired remote controller ① [Fig. 8-4-1] • When the settings are completed, press the [SELECT] button to send the setting data from the remote controller to the indoor units. •...
  • Page 13: Test Run

    8. Electrical work Function table 1 Select unit number 00 Mode Settings Mode no. Setting no. Initial setting Check Power failure automatic recovery*1 Not available (*1) (AUTO RESTART FUNCTION) Available Indoor temperature detecting Indoor unit operating average Set by indoor unit’s remote controller Remote controller’s internal sensor LOSSNAY connectivity Not Supported...
  • Page 14 9. Test run Symptoms in test run mode Cause OUTDOOR BOARD LED Display Remote Controller Display < > indicates digital display. • After power is turned on, “PLEASE WAIT” is displayed for 2 Remote controller displays “PLEASE WAIT”, and After “startup” is displayed, only green lights up. minutes during system startup. (Normal) cannot be operated.
  • Page 15 9. Test run 9.3. Test run Ⓐ TEST RUN button Ⓑ MODE button 9.3.1. Using wireless remote controller (option) Ⓒ FAN button [Fig. 9-3] Ⓓ VANE button ① Turn on the power to the unit at least 12 hours before the test run. ②...
  • Page 16: Maintenance

    9. Test run • If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause. Symptom Cause Wired remote controller LED 1, 2 (PCB in outdoor unit) • For about 2 minutes after power-on, operation of the After LED 1, 2 are lighted, LED 2 is turned For about 2 minutes PLEASE WAIT...
  • Page 19 Only for R32...
  • Page 20 Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN VG79F112H01...

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