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MaxiCool MMD2-18HDI Installation Manual

Inverter one-two / one-three / one- four / one-five split-type
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Before using your air conditioner, please read
this manual carefully and keep it for future reference.
INVERTER ONE-TWO / ONE-THREE
/ONE- FOUR/ONE-FIVE SPLIT-TYPE
ROOM AIR CONDITIONER
：
MODEL MMD2-18HDI
MMD3-27HDI
Please read this installation manual completely
before installing the product.
If the power cord is damaged, replacement work
shall be performed by authorised personnel only.
Installation work must be performed in accordance
with the national wiring Standards by authorised
personnel only.
Contact an authorised service technician for
repair, maintenance or installation of this unit.

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Summary of Contents for MaxiCool MMD2-18HDI

  • Page 1 INVERTER ONE-TWO / ONE-THREE /ONE- FOUR/ONE-FIVE SPLIT-TYPE ROOM AIR CONDITIONER ： MODEL MMD2-18HDI MMD3-27HDI Please read this installation manual completely before installing the product. If the power cord is damaged, replacement work shall be performed by authorised personnel only.

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS Warning ............................2 Caution ............................2 INSTALLATION INSTRUCTIONS Selecting installation place.......................3 Wall-mounted type ...........................3 Ac cesso ries ......................4 Four-way cassette type ........................9 Duct &...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS Read the follow SAFETY PRECAUTIONS carefully before insta llation . Electrical work must be insta lled b y a licensed elect rician. Be su re to use th e correct rating of the power plug and main circuit for th e mod el to b e inst alled. Incorrect installa tion d ue to ignoring of t he instructio n will cause harm or damage .

  • Page 4: Installation Instructions

    INSTALLATION INSTRUCTIONS 1. Wall -mounted type Selecting installation place Read completely, then follow step by step. Indoor unit Do not e xpos e the indoor unit to heat or steam. S elect a place where there are no obstacle s in front or aro und th e unit.

  • Page 5: Accessories

    INSTALLATION INSTRUCTIONS Tools needed for installation: Level ga uge Vacuum pum p Screwdriver φ G auge manif old Ele ctric drill,Hole co re dril l ( 65 Users manua l Flaring tool se t Thermo mete r Sp ecified torqu e wre nches : 1.8kgf.m, 4.2kg f.m, Multimeter 5.5kgf.m, 6.6k gf.m(d iffere nt dep endin g on model No.) P ipe cu tter...
  • Page 6 INSTALLATION INSTRUCTIONS More than 15cm Remote Remote Remote controller control ler controller Remote contr oller Air out Loop a One-Two connective cable One-Three One-Four Remote c ontroller One-Five Fig.3 CAUTIONS This illustration is for explanation purposes only. The actual shape of your air condtioner may be slightly different.
  • Page 7 INSTALLATION INSTRUCTIONS Indoor unit installation(wall-mounted type) Cor rect orientatio n of Installat ion Pla te 1. Fit the Installation Plate 1. Fit th e installatio n plate horizontally on structural parts of the wall with spaces aro und the inst allation plate. F ig.4 2.
  • Page 8 INSTALLATION INSTRUCTIONS 2. When connecting extension drain hose, insulate the connecting part of extension drain hose with a shield pipe, do not let the drain hose slack. Connective pipe installation Fig.8 1. For the left-hand and right-hand piping, remove the pipe cover from the side panel.
  • Page 9 INSTALLATION INSTRUCTIONS 4. Indoor unit installation 1. Pass the piping through the hole in the wall. 2. Put the upper claw at the back of the indoor unit on the upper hook of the installation plate, move the indoor unit from side to side to see that it is securely hooked (see Fig.12).

  • Page 10: Four-Way Cassette Type

    INSTALLATION INSTRUCTIONS 2. Four-wa y casse tte type Attached fittings Please check whether the following fittings are of full scope. If there are some attached fittings free from use, please restore them carefully. Remote controller & Its Frame Tubing & Fittings Installation Fittings (on some models) 1.
  • Page 11 INSTALLATION INSTRUCTIONS The length could be calculated from Fig.17: Length=210+L(in general, L is half of the whole Hook Body length of the installation hook) c. Please adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body.
  • Page 12 INSTALLATION INSTRUCTIONS (2) Install the panel Drain side a. Align the swing motor on the panel to the water receiver of the body properly. (Refer to Fig.23) b. Hang the four fixed rope of the main body to the Steel rope installation cover and the other three covers of the swing motor: (Refer to Fig.23 ) CAUTIONS:...

  • Page 13: Duct & Ceiling Type

    INSTALLATION INSTRUCTIONS 3. Duct & Ceiling type Installation precautions 1. Determine the moving route. 2. Move the unit in original state. 3. Make sure to do electric insulation according to relevant electric standard in case the unit is installed on metal part of building. 4.
  • Page 14 INSTALLATION INSTRUCTIONS Installation of unit φ Install 10 (4 pieces)hanging screw bolt Determine the location of hanging screw bolt following Fig.33. φ Make sure to use the hanging screw bolt of 10. The treatment to the ceiling varies from construction; please consult the professionals for details. 1) Treatment to ceiling---make sure to consolidate the roof beam for possible vibration to keep the ceiling horizontal.
  • Page 15 INSTALLATION INSTRUCTIONS The position of hanging bolts Water outlet，Φ2 5 Refrigerant piping joint Refrigerant piping joint (gas side) gas side Air outlet sketch map Air outlet (on side) Φ100 Fresh air inlet Ceiling >500mm >500mm Fig.33 MODEL <12000Btu/h 1260 1224 1015 1215 >12000Btu/h...
  • Page 16 INSTALLATION INSTRUCTIONS C AUTIO N 1.5m~2m Supporting Unit The drain pipe as well as the connection part of indoor unit must be heat insulated, or condensate will occur. Please connect the pipe with horny PVC bond Lean Downward over 1/100 and make sure there is no leakage.

  • Page 17: Ceiling And Floor Type

    INSTALLATION INSTRUCTIONS 4. Ceiling and Floor type 4.1 Accessories Remote Controller & Its Frame Name of Usage Usage Q'ty Q'ty Qutline Qutline Acce ssories (on some models) O wner's manual 1. Remote controller....1 InstallatiO n manual (This manual) (This manual) 2.
  • Page 18 INSTALLATION INSTRUCTIONS 4.2 Indoor unit inst allation 4. For original concrete bricks Use embedd ing screw bold, crock 1. Installing 10 hanging screw bolts a nd st ick ha rness (Refe r to Fi g.42-4). (4 bolts). Please refer to the following figure for the Steel bar distance measurement between the screw bolts.
  • Page 19 INSTALLATION INSTRUCTIONS 1. Fix the ho ok with tapping screw o nto th e 2. Loc ation the ha nging arm on the hang ing wall. (Ref er to Fig.42 -7) screw bo lt. (Re fer to Fig.4 2-10) 2. Han g the indoo r unit on the hook. Pre pare the mountin g bolt s on th e unit.

  • Page 20: Floor And Standing Type(Console)

    INSTALLATION INSTRUCTIONS 4.5 The Dimension of the Unit Th is man ual is subje ct to change s due to Unit:mm technolo gical i mprovemen t with out further n otices . Capacity Mou ntin g sc rew B ST2 .9x1 0-C -H 12 18 907 200 990 660...
  • Page 21 INSTALLATION INSTRUCTIONS Hang the ind oor u nit on the ho ok. CAUTION (The b ottom of bo dy can touch with floor Keep indoor unit, outdoor unit, power supply or sus pende d, but the b ody must install wiring and transmission wiring at least 1 meter vertica lly.
  • Page 22 INSTALLATION INSTRUCTIONS 1. D rill a hole in the wall (su itable just f or the 2. Remove the front panel size of the wall con duit), then s et on the Remove th e strin g. (Re fer to Fig.43-7). f ittings such as the wall conduit and its Allowing th e fron t pane l to fa ll forward will cover.
  • Page 23 INSTALLATION INSTRUCTIONS When the declivity of the drain pipe downwards Be sure to locate the power wiring and the is over 1/100, there should not be any winding. signal wring well to avoid cross-disturbance. The total length of the drain pipe when pulled Do not turn on the power until you have out traversely shall not exceed 20m, when the checked carefully after wiring.

  • Page 24: Outdoor Unit Installation

    INSTALLATION INSTRUCTIONS Outdoor unit installation Outdoor installation precaution Install the outdoor unit on a rigid base to prevent increasing noise level and vibration. Determine the air outlet direction where the discharged air is not blocked. In the case that Strong the installation place is exposed to strong wind wind such as a seaside, make sure the fan operating...

  • Page 25: Refrigerant Pipe Connection

    REFRIGERANT PIPE CONNECTION Drain joint installation NOTE: The drain joint differ from appliance to appliance. Fit the seal into the drain joint, then insert the drain joint into the base pan hole of outdoor unit, 。 Base pan hole of rotate 90 to securely assemble them.

  • Page 26: Electrical Work

    ELECTRICAL WORK D: Flaring work Firmly hold copper pipe in a die in the dimension shown in the table below. Handle Yoke A(mm) Outer diam. Cone (mm) Max. Min. 6.35 Copper pipe 9.53 Clamp handle Red arrow mark 12.7 12.7 Fig.5 0 Tightening Connection Align the center of the pipes.
  • Page 27 ELECTRICAL WORK Wiring connection Minimum no rmin al cross-se ctional are a NOTE: Before performing any electrical of con ducto rs: work, turn off the main power to the system. Nominal cro ss-sect iona l R ate d cu rren t of appliance ( A) are a (m m ) CAUTIONS...

  • Page 28: Air Purging

    AIR PURGING After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover.
  • Page 29 AIR PURGING When relocate the unit to another place, perform evacuation using vacuum pump. Refrigerant Indoor Make sure the refrigerant added into the air Outdoor unit unit conditioner is liquid form in any case. Gas side (Not applicable to the units adopt freon R22 ) Liquid side Caution in h andli ng th e packed valve Packed valve...

  • Page 30: Safety And Leakage Check

    AIR PURGING Safety and leakage check ● Elec trical safet y check j i h n m k Perform the electric safe check after completing installation: Indoor unit 1. Insulated resistance check point The insulated resistance must be more than Ω...

  • Page 31: Test Running

    TEST RUNNING Test running Perform test operation after completing gas leak check at the flare nut connections and electrical safety check. Check that all tubing and wiring have been properly connected. Check that the gas and liquid side service valves are fully open. 1.
  • Page 32 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. CS464-I 202000191053 20111208...

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Mmd3-27hdi

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