Mitsubishi Electric Mr. Slim SEZ-M25DAL Installation Manual Download Page 1

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Packaged Air-Conditioners

INDOOR UNIT

SEZ-M25,M35,M50,M60,M71DAL

INSTALLATION MANUAL

For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.

FOR INSTALLER

English

Summary of Contents for Mr. Slim SEZ-M25DAL

Page 1: ...nditioners INDOOR UNIT SEZ M25 M35 M50 M60 M71DAL INSTALLATION MANUAL For safe and correct use please read this installation manual thoroughly before installing the air conditioner unit FOR INSTALLER English ORIGINAL ...

Page 2: ...ess door 1 450 mm x 450 mm Ⓕ Maintenance access space Ⓖ Supply air mm Model P Q R S SEZ M25 700 50 150 800 1300 SEZ M35 50 900 150 250 1000 1500 SEZ M60 71 1100 250 350 1200 1700 777 S 50 50 P 700 Min 300 mm Viewed from the direction of the arrow B Ⓖ Ⓗ Ⓚ Ⓕ Ⓐ Ⓘ Fig 3 1 5 Ⓖ Ⓗ Ⓘ Ⓕ 700 450 475 450 Q 50 150 450 450 100 200 Min 300 mm Viewed from the direction of the arrow A P Ⓔ Ⓐ Ⓓ Fig 3 1 2 Unit mm Mi...

Page 3: ...3 4 Fig 4 1 5 Y X L W Ⓐ Z Ⓐ Center of gravity 5 1 Ⓒ Ⓓ Ⓒ Ⓔ Ⓓ Ⓒ Nuts field supply Ⓓ Washers accessory Ⓔ M10 hanging bolt field supply Fig 5 2 Ⓑ Ⓐ Ⓐ Unit body Ⓑ Lifting machine Fig 5 1 ...

Page 4: ... 3 6 5 Ⓓ Ⓔ Ⓗ Ⓖ Ⓘ Ⓕ Ⓑ Ⓒ 5 25 Ⓐ Ⓐ Indoor unit Ⓑ Pipe cover short accessory Ⓒ Tie band accessory Ⓓ Band fixing part Ⓔ Insertion margin Ⓕ Drain hose accessory Ⓖ Drain pipe O D ø32 PVC TUBE field supply Ⓗ Insulating material field supply Ⓘ Max 145 5 mm Fig 6 11 Ⓐ Pipe cover small accessory Ⓑ Caution Pull out the thermal insulation on the refrigerant piping at the site insert the flare nut to flare the ...

Page 5: ... ordinary bushing Ⓘ Signal receiving unit wiring Ⓙ Terminal bed for power source and indoor transmission Ⓚ Indoor outdoor unit connecting wire Ⓛ Connecting the signal receiving unit Connect the signal receiving unit to the CN90 Connect to the wireless remote controller board on the indoor unit using the supplied remote controller wire Connect the signal receiving units to all the indoor units Ⓐ Te...

Page 6: ...ord Outdoor terminal block Always install an earth wire 1 core 1 5 mm2 longer than other cables Signal receiving unit cable accessory wire length 5 m Signal receiving unit Power supply cord Ⓕ Indoor controller board 8 8 2 J41 J42 JP1 JP2 JP3 CN90 CN4F CN44 CN20 Red CNMF SW1 SW2 CN32 CN41 CN51 ON OFF SWE CN2L CN22 Blue CNP Blue CN3C Blue CN01 Black CN90 Connector for remote controller wire connecti...

Page 7: ...r wire Fig 8 13 Ⓐ Insert the minus screwdriver toward the arrow pointed and wrench it to remove the cover A flat screwdriver whose width of blade is between 4 and 7 mm 5 32 9 32 inch must be used Fig 8 14 Ⓐ Indoor unit Hang the cover to the upper hooks 2 places Mount the cover to the lower case Ⓐ Cross section of upper hooks Fig 8 10 Fig 8 15 Ⓗ Ⓙ Ⓘ When using the switch box When installing directl...

Page 8: ...nstalling the lower case directly on the wall or the ceiling use wood screws Insert the minus screwdriver toward the arrow pointed and wrench it to remove the cover A flat screwdriver whose width of blade is between 4 and 7 mm 5 32 9 32 inch must be used Fig 8 19 Ⓐ Hang the cover to the upper hooks 2 places Mount the cover to the lower case Ⓐ Cross section of upper hooks Ⓐ Hour button Ⓑ Minute but...

Page 9: ...lve Ⓕ Outdoor unit Ⓖ Refrigerant gas cylinder operating valve Ⓗ Refrigerant gas cylinder for R32 R410A with siphon Ⓘ Refrigerant liquid Ⓙ Electronic scale for refrigerant charging Ⓚ Charge hose for R32 R410A Ⓛ Gauge manifold valve for R32 R410A Ⓜ Service port 10 1 ON OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK TESTRUN Ⓑ Ⓐ Ⓒ Ⓓ ...

Page 10: ...efective insulation exceeding the permissible current etc Check that the refrigerant gas does not leak after installation has completed Perform the installation securely referring to the installation manual Incomplete installation could cause a personal injury due to fire electric shock the unit falling or leakage of water Perform electrical work according to the installation manual and be sure to...

Page 11: ...all room or similar location make sure that there are no refrigerant leaks before performing the work If refrigerant leaks and accumulates it may ignite or poisonous gases may be released For installation and relocation work follow the instructions in the installation manual and use tools and pipe components specifically made for using with refrigerant specified in the outdoor unit installation ma...

Page 12: ...re high humidity due point above 26 C due condensation may be produced in the indoor unit When operating the units in this condition add insulation material 10 20 mm to the entire surface of the indoor unit to avoid due condensation 3 1 Install the indoor unit on a ceiling strong enough to sustain its weight Secure enough access space to allow for the maintenance inspection and replacement of the ...

Page 13: ...ing boards Center of gravity and Product Weight Model name W L X Y Z Product Weight kg SEZ M25 625 752 263 351 106 17 5 SEZ M35 625 952 286 448 104 21 SEZ M50 625 952 280 437 104 22 SEZ M60 625 1152 285 527 104 25 5 SEZ M71 625 1152 285 527 104 25 5 5 Installing the unit 5 1 Hanging the unit body Bring the indoor unit to an installation site as it is packed To hang the indoor unit use a lifting ma...

Page 14: ... flare nut included with this indoor unit 6 2 4 Flaring work Fig 6 6 P 4 ⓐ Flaring tool ⓑ Die ⓒ Copper tube ⓓ Flare nut ⓔ Yoke Carry out flaring work using flaring tool as shown below Pipe diameter mm Dimension A mm B 0 0 4 mm When the tool for R32 R410A is used Clutch type 6 35 0 0 5 9 1 9 52 0 0 5 13 2 12 7 0 0 5 16 6 15 88 0 0 5 19 7 Firmly hold copper tube in a die in the dimension shown in th...

Page 15: ...Downward slope 1 100 or more Ⓑ Connection dia R1 external thread Ⓒ Indoor unit Ⓓ Collective piping Ⓔ Maximize this length to approx 10 cm Ensure that the drain piping is downward pitch of more than 1 100 to the outdoor discharge side Do not provide any trap or irregularity on the way Ensure that any cross wise drain piping is less than 20 m excluding the difference of elevation If the drain piping...

Page 16: ...t connecting wire 3 core 1 5 mm2 or more Ⓓ Outdoor terminal block Ⓔ Power supply cord Ⓕ Indoor controller board Connecting cable Cable 3 core 1 5 mm2 in conformity with Design 245 IEC 57 Indoor terminal block Outdoor terminal block Always install an earth wire 1 core 1 5 mm2 longer than other cables Signal receiving unit cable accessory wire length 5 m Signal receiving unit Power supply cord Perfo...

Page 17: ... position depending on the indoor unit model Connect the remote controller wire securely to the order wire To pass the remote controller wire through the conduit follow the procedure as shown in Fig 8 12 Fig 8 12 P 7 Ⓐ Fix tightly with tape Ⓒ Order wire Ⓑ Remote controller wire Note The point where the remote controller wire is connected differs depending on the indoor unit model Take into account...

Page 18: ...ntroller s internal sensor 3 LOSSNAY connectivity Not Supported 03 1 〇 Supported indoor unit is not equipped with outdoor air intake 2 Supported indoor unit is equipped with outdoor air intake 3 Function table 2 Select unit numbers 01 to 04 or all units AL wired remote controller 07 wireless remote controller Mode Settings Mode no Setting no Initial setting Check Filter sign 100 Hr 07 1 2500 Hr 2 ...

Page 19: ...rol system error memory error etc 14 PL Refrigerant circuit abnormal No sound No corresponding Output pattern B Errors detected by unit other than indoor unit outdoor unit etc Wireless remote controller Symptom Remark Beeper sounds OPERATION INDICATOR lamp flashes Number of times 1 Indoor outdoor unit communication error Transmitting error Outdoor unit For details check the LED display of the outd...

Page 20: ... between the indoor and outdoor units Make sure that this LED is always blinking 9 3 AUTO RESTART FUNCTION Indoor controller board This model is equipped with the AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller the operation mode set temperature and the fan speed are memorized by the indoor controller board The auto restart function sets to work the moment the p...

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Page 22: ...owing EU regulations Low Voltage Directive 2014 35 EU Electromagnetic Compatibility Directive 2014 30 EU Energy related Products Directive 2009 125 EC Machinery Directive 2006 42 EC This product is designed and intended for use in the residential commercial and light industrial environment HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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