Mitsubishi Heavy Industries KX6 Series Technical Manual
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Mitsubishi Heavy Industries KX6 Series Technical Manual

Vrf inverter multi-system air conditioners
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Manual No. '11
KX-T-165
•
TECHNICAL MANUAL
VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS
Alternative refrigerant R410A use models
(INDOOR UNIT) -KX6 series-
FDUM22KXE6F
FDUM28KXE6F
FDUM36KXE6F
FDUM45KXE6F
FDUM56KXE6F
FDUM71KXE6F
FDUM90KXE6F
FDUM112KXE6F
FDUM140KXE6F
FDUM160KXE6F
Note : Regarding the Outdoor unit series, refer to the manual No.08
KX-T-117, 09
KX, KXR-T-135,
•
•
09
KX-T-139, 10
KX-T-146, 09
KX-DB-124,127, 09
KXR
DB-129, 10
KX
DB-147,
•
•
•
•
•
•
•
150, 155, 09
KX
SM-125, 128, 09
KXR
SM-130, 10
KX
SM-148, 151,156
•
•
•
•
•
•

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  • Page 1 Manual No. '11 KX-T-165 • TECHNICAL MANUAL VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS Alternative refrigerant R410A use models (INDOOR UNIT) -KX6 series- FDUM22KXE6F FDUM28KXE6F FDUM36KXE6F FDUM45KXE6F FDUM56KXE6F FDUM71KXE6F FDUM90KXE6F FDUM112KXE6F FDUM140KXE6F FDUM160KXE6F Note : Regarding the Outdoor unit series, refer to the manual No.08...

  • Page 2: Table Of Contents

    '11 • KX-T-165 CONTENTS 1 SPECIFICATIONS ..................2 EXTERIOR DIMENSIONS ................2.1 Indoor units .................... 2.2 Wired remote controller (Optional parts) ..........3 ELECTRICAL WIRINGS .................. 4 NOISE LEVELS ..................... 10 5 CHARACTERISTICS OF FAN ..............11 6 CAPACITY TABLES ..................
  • Page 3 Models FDUM22KXE6F FDUM28KXE6F FDUM36KXE6F FDUM45KXE6F FDUM56KXE6F Nominal cooling capacity*1 Nominal heating capacity*2 Power source 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz Cool 0.10 - 0.10 / 0.10 0.10 - 0.10 / 0.10 0.10 - 0.10 / 0.10 0.10 - 0.10 / 0.10 0.10 - 0.10 / 0.10...
  • Page 4 Models FDUM71KXE6F FDUM90KXE6F FDUM112KXE6F FDUM140KXE6F FDUM160KXE6F Nominal cooling capacity*1 11.2 14.0 16.0 Nominal heating capacity*2 10.0 12.5 16.0 18.0 Power source 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz 220-240V~50Hz / 220V~60Hz Cool 0.20 - 0.20 / 0.20 0.20 - 0.20 / 0.20 0.29 - 0.29 / 0.29 0.33 - 0.33 / 0.33...

  • Page 5: Exterior Dimensions

    '11 • KX-T-165 2 EXTERIOR DIMENSIONS 2.1 Indoor units Models FDUM22KXE6F, 28KXE6F, 36KXE6F, 45KXE6F, 56KXE6F Symbol Content 22,28 36,45,56 Model Gas piping φ9.52(3／8")(Flare) φ12.7(1／2")(Flare) （Duct dimension） Liquid piping φ6.35(1／4")(Flare) VP20(I.D.20,O.D.26)(Standard) Drain piping or VP25(I.D.25,O.D.32) Drain hose piece (Used with attached socket) Note(2) （Accessory）...
  • Page 6 '11 • KX-T-165 Models FDUM71KXE6F, 90KXE6F Symbol Content Gas piping φ15.88(5／8")(Flare) Liquid piping φ9.52(3／8")(Flare) （Duct dimension） VP20(I.D.20,O.D.26)(Standard) 4×200=800 Drain piping or VP25(I.D.25,O.D.32) (Used with attached socket) Note(2) Drain hose piece VP20(I.D.20,O.D.26)(Standard) （Accessory） Drain piping or VP25(I.D.25,O.D.32) （Gravity drainage） （Installed on site） (Used with attached socket) Hole for wiring Suspension bolts...
  • Page 7 '11 • KX-T-165 Models FDUM112KXE6F, 140KXE6F, 160KXE6F Symbol Content 1280 （Duct dimension） Gas piping φ15.88(5／8")(Flare) 4×280=1120 Liquid piping φ9.52(3／8")(Flare) VP20(I.D.20,O.D.26)(Standard) Return air duct Drain piping or VP25(I.D.25,O.D.32) (Used with attached socket) Note(2) VP20(I.D.20,O.D.26)(Standard) Drain piping or VP25(I.D.25,O.D.32) （Gravity drainage） (Used with attached socket) Hole for wiring 14－φ4 Drain hose piece...

  • Page 8: Wired Remote Controller (Optional Parts)

    '11 • KX-T-165 2.2 Wired remote controller (Optional parts) Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, and grind burrs with a file etc. Exposed mounting In case of pulling out In case of pulling out from upper left from center...
  • Page 9 CNA~Z Connector Drain motor Control PCB F1~3 Fuse Remote controller FMI1 Fan motor (with thermostat) t° Float switch LED・  2 LED・  3 t° t° JSL1 Live Superlink terminal setting (for spare) Signal line LED・  2 Indication lamp (Green-Normal operation) (Shielded cord) t°...
  • Page 10 CNA~Z Connector Drain motor Control PCB F1,2,4 Fuse Remote controller FMI2 Fan motor (with thermostat) ThI-R1 t° Float switch LED・  2 LED・  3 ThI-R2 t° t° JSL1 Live Superlink terminal setting (for spare) LED・  2 Signal line Indication lamp (Green-Normal operation) ThI-R3 (Shielded cord) t°...
  • Page 11 CNA~Z Connector Drain motor Control PCB F1~4 Fuse Remote controller FMI1,2 Fan motor (with thermostat) t° Float switch LED・ 2 LED・ 3 t° t° JSL1 Live Superlink terminal setting (for spare) Signal line Reactor (Shielded cord) t° Connector for branching CNK1 LED・...

  • Page 12: Noise Levels

    '11 • KX-T-165 4 NOISE LEVELS With 2m duct With 1m duct Unit Air flow Measured based on JIS B 8616 Mike position as right 1.5m Mike (at center & below unit Models FDUM22,28,36,45,56KXE6F Models FDUM71,90KXE6F Model FDUM112KXE6F Noise level 37 dB (A) at P-HIGH Noise level 38 dB (A) at P-HIGH Noise level 44 dB (A) at P-HIGH 32 dB (A) at HIGH...

  • Page 13: Characteristics Of Fan

    '11 • KX-T-165 5 CHARACTERISTICS OF FAN ・Characteristic FAN (1) shows air flow vs. External Static Pressure (E.S.P.) range where settings of E.S.P. are maximum E.S.P. (100Pa) , 　rated E.S.P., and minimum E.S.P. (10Pa) ・Characteristic FAN (2) shows air flow vs. E.S.P curve when set fan tap is set P-Hi with each setting of E.S.P by remote controller. ・External Static Pressure (E.S.P.) can be set by wired remote controller.
  • Page 14 '11 • KX-T-165 Model FDUM112KXE6F Characteristic FAN(1) Characteristic FAN(2) Range of approvable air flow rate In case actual E.S.P. correspond to setting of E.S.P. P-Hi P-Hi Setting 10Pa P-Hi 36 37 38 39 Air flow (m /min) Air flow (m /min) Model FDUM140KXE6F Characteristic FAN(1)
  • Page 15 '11 • KX-T-165 Model FDUM160KXE6F Characteristic FAN(1) Characteristic FAN(2) Range of approvable air flow rate In case actual E.S.P. correspond to setting of E.S.P. P-Hi P-Hi P-Hi 16 20 24 28 32 36 40 44 48 52 43 44 45 46 47 48 49 50 51 52 53 Air flow (m /min) Air flow (m...

  • Page 16: Capacity Tables

    '11 • KX-T-165 6 CAPACITY TABLES FDUM22KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB...
  • Page 17 '11 • KX-T-165 FDUM28KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB outdoor temp indoor temp Air flow air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 18 '11 • KX-T-165 FDUM36KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB outdoor temp indoor temp Air flow air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 19 '11 • KX-T-165 FDUM45KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 20 '11 • KX-T-165 FDUM56KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB outdoor temp indoor temp Air flow air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 21 '11 • KX-T-165 FDUM71KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 22 '11 • KX-T-165 FDUM90KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 23 '11 • KX-T-165 FDUM112KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 24 '11 • KX-T-165 FDUM140KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB Air flow outdoor temp indoor temp air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...
  • Page 25 '11 • KX-T-165 FDUM160KXE6F Model Cool Mode Heat Mode Indoor air temperature Outdoor 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB outdoor temp indoor temp Air flow air temp. Air flow 14℃WB 16℃WB 18℃WB 19℃WB 20℃WB 22℃WB 24℃WB /min) 16℃DB 18℃DB 20℃DB 22℃DB 24℃DB...

  • Page 26: Application Data

    '11 • KX-T-165 7 APPLICATION DATA DUCT CONNECTED MIDDLE STATIC PRESSURE AIR PJG012D001 7.1 Installation of indoor unit CONDITIONING UNIT INSTALLATION MANUAL ○This mo blow typ This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to the electrical wiring work installation manual. For remote ①B controller installation, refer to the installation manual attached to a remote controller.

  • Page 27: Installation Of Indoor Unit

    '11 • KX-T-165 2D001 ○This model is middle static ducted type air conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air conditioning unit. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ①Before installation 　○For grid ceiling 　　When the suspension bolt length is over 500mm, or the gap between the ceiling and roof is...
  • Page 28 '11 • KX-T-165 ⑤Duct Work (continued) ⑤Duct Work ⑦D ① A corrugated board (for preventing sputtering) is attached to the main body of the air conditioner Connecting the air intake/vent ducts Caut (on the outlet port). Do not remove it until connecting the duct. ①Fresh Air Intake ●...
  • Page 29 '11 • KX-T-165 ⑦Drain pipe ⑦Drain pipe (continued) Caution Drain up ● Install the drain pipe according to the installation manual in order to drain properly. ● The position for drain pipe outlet can be raised up to 600mm above the ceiling. Use elbows Imperfection in draining may cause flood indoors and wetting the household goods, etc.
  • Page 30 '11 • KX-T-165 ⑧Wiring-out position and wiring connection ⑨External static pressure setting (continued) Indoor unit fan will run automatically and recognize E.S.P. by itself. ● Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country, and be The operation for automatic E.S.P recognition will last about 6 minutes, and it will be stopped executed according to the technical standards and other regulations applicable to electrical after recognition is completed.
  • Page 31 '11 • KX-T-165 (2) Replacement procedure of the fan unit Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace. (2) For the maintenance space, refer to page 25. (a) Models FDUM22, 28, 36, 45, 56KXE6F (c) Models FDUM112, 140, 160KXE6F 1) Remove the control box and the side panel, and remove the...
  • Page 32 '11 • KX-T-165 7.2 Electrlc wiring work instruction PSC012D002 ELECTRIC WIRING WORK INSTRUCTION Electrical Wiring Connection (continued) ① ③ Electrical wiring work must be performed by an electrician qualified by a local power provider according to the electrical installation technical standards and interior wiring regulations applicable to the installation site. ●Electrical wiring work must be performed by an electlician an qualified by a local power provider.
  • Page 33 '11 • KX-T-165 D002 Remote Control, Wiring and functions (continued) Trial operation (continued) ③ ④ Control plural indoor units by a single remote controller Checking operation data ① A remote controller can control plural indoor units (up to 16) Operation data can be checked with remote control unit operation. In above setting, all plural indoor units will operate under same mode and temperature setting.
  • Page 34 '11 • KX-T-165 ⑤ Function Setting by Remote Controller Refer to page 36. ⑥ Control mode switching r unit, and is automatically defined as following table. ●The control content of indoor units can be switched in following way. ( is the default setting) Switch No.

  • Page 35: Installation Of Wired Remote Controller

    '11 • KX-T-165 Installation manual for wired remote controller Connect the remote controlle 7.3 Installation of wired remote controller terminal block. PJA012D730 Connect the terminal of remo Read together with indoor unit's installation manual. with the terminal of indoor un (X and Y are no polarity) WARNING Wiring route is as shown in t...
  • Page 36 '11 • KX-T-165 mote controller Connect the remote controller cord to the Sheath Sheath The range of temperature setting Upper Upper terminal block. When shipped, the range of set tempera Connect the terminal of remote controller (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F)
  • Page 37 '11 • KX-T-165 PJA01 2D7 30 Sheath eath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. r case Upper case Board Heating : 16 ~ 30˚C (55 ~ 86˚F) Except heating (cooling, fan, dry, automatic) : 18 ~ 30˚C (62 ~ 86˚F) Upper limit and lower limit of set temperature can be changed with remote controller.
  • Page 38 '11 • KX-T-165 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote controller and indoor unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “...
  • Page 39 '11 • KX-T-165 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Function No. Item Default Model "Auto-RUN" mode selectable indoor unit. Remote controller function02 Indoor unit without "Auto-RUN" mode Indoor unit with two or three step of air flow setting Remote controller function06...
  • Page 40 '11 • KX-T-165 PJA0 12 D7 30 d is automatically defined as following table. Operation message How to set function Function description: ctable indoor unit. Function No. Stop air-conditioner and press (SET) (MODE) setting description: o-RUN" mode buttons at the same time for over three seconds, and the hree step of air flow setting "FUNCTION SET "...

  • Page 41: Outline Of Operation Control By Microcomputer

    '11 • KX-T-165 8 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER Please refer to the service manual of 10·KX−SM−156. Only the difference are shown in this manual. 8.1 Wired remote controller (optional parts) The figure below shows the remote controller with the cover opened. Note that all the items that may be displayed in the liquid crystal display area are shown in the figure for the sake of explanation.

  • Page 42: Operation Control Function By The Indoor Controller

    '11 • KX-T-165 8.2 Operation control function by the indoor controller (1) External control (Remote display)/Remote operation (a) Remote operation input Remote operation inputs (switch input, timer input) connectors (CnT) are provided on the indoor control PCB. However, the remote operation by the CnT is not effective when “Center mode” is selected with the air-conditioner. 　...

  • Page 43: System Troubleshooting Procedure

    '11 • KX-T-165 9 SYSTEM TROUBLESHOOTING PROCEDURE Please refer to the service manual of 10·KX−SM−156. Only the difference are shown in this manual. 9.1 Trouble shooting Green Error code Content Indoor fan motor anomaly Keeps flashing 1 (2) time flash Indoor Remote controller: 7-segment display:...
  • Page 44 '11 • KX-T-165 Green Error code Content Indoor fan motor Keeps flashing 1 (2) time flash Indoor rotation speed anomaly Remote controller: 7-segment display: Keeps flashing Stays Off Outdoor Note (1) Value in ( ) is for the FMI2. 5. Troubleshooting 1.

  • Page 45: Indoor Unit Pcb Replacement Procedure

    '11 • KX-T-165 9.2 Indoor unit PCB replacement procedure PSB012D991 (1) Control PCB SAFETY PRECAUTIONS Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself. ● The precautionary items mentioned below are distinguished into two levels, WARNING and CAUTION. ●...
  • Page 46 '11 • KX-T-165 (2) Power PCB PSB012D992 PSB012D993 SAFETY PRECAUTIONS Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself. ● The precautionary items mentioned below are distinguished into two levels, WARNING and CAUTION. ●...
  • Page 47 '11 • KX-T-165 Models FDUM71,90,112,140,160KXE6F CNW0（White） CNM1(White） CNM2(Black） Terminal block Fan motor1 Fan motor2 CNW3(White） Terminal block CNW1(White） Control pwb Part number CNWR(White） Reactor...

  • Page 48: Dip Switch Setting List

    '11 • KX-T-165 9.3 DIP switch setting list 9.3 DIP switch setting list 9.3 DIP switch setting list Switches Description Default setting Remarks Switches Description Default setting Remarks Indoor unit address No.(Order of 10) Indoor unit address No.(Order of 10) Indoor unit address No.(Order of 1) Indoor unit address No.(Order of 1) Outdoor unit address No.(Order of 10)

  • Page 49: Optional Parts

    '11 • KX-T-165 10 OPTIONAL PARTS 10.1 Wireles kit (RCN-KIT3-E) Notes: ③ How to install the receiver Following functions of FDUM Type -D indoor unit series are not able to be set with this wireess remote controller (RCN-KIT3-E). 1. 4-fan speed setting (PHi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) The following two methods can be used to install the receiver onto a ceiling or a wall.
  • Page 50 '11 • KX-T-165 ④ Remotecontroller (B) Control plural indoor units with one remote controller Up to 16 indoor units can be connected. Installation of the controller holder ①Connect the XY terminal with 2-core wire. Restrictions on the thickness and length of wire As for the size, refer to the following note.

  • Page 51: Simple Wired Remote Controller (Rch-E3)

    '11 • KX-T-165 10.2 Simple wired remote controller (RCH-E3) Notes: Following functions of Type -D indoor unit series are not able to be set with this simple wired remote controller (RCH-E3). 1. Individual flap control system (for FDT/FDTC) 2. Flap control system (for FDEN) 3.
  • Page 52 '11 • KX-T-165 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS In case of embedding wiring Remote control installation dimensions Wall surface Wiring Wiring outlet Electrical box (In case of embedding wiring) （Prepare on site） 12×7 Slot hole Installation hole 9×4.5 Slot hole （2 places）...
  • Page 53 '11 • KX-T-165 In case of exposing cord Simple Remote Controller Installation Manual PJZ012D069 ⑴   M ake certain to remove a screw on the bottom surface of the remote controller. Read together with indoor unit's installation manual. WARNING ⑴ ●   F asten the wiring to the terminal securely and hold the cable securely so as not to apply Screw ⑵ Remove the upper case of the remote controller.
  • Page 54 '11 • KX-T-165 3. Master/ slave setting when more than one remote controller are used ⑴   U p to two remote controllers can be connected to one unit (or one group) of indoor unit. Switch Setting Function detail Slave remote controller indoor unit SW1-1 Master remote controller...
  • Page 55 connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm × 2 cores Under 300m･････････････････0.75mm × 2 cores ⑹   M ount the upper case for restoring to its former state so as not to crimp the remote controller cord, Under 400m･････････････････1.25mm ×...
  • Page 56 ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores data is read) Then, the return air temperature is displayed. When AIR CON NO. is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”).

  • Page 57: Filter Kit

    PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 '11 • KX-T-165 Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating...
  • Page 58 '11 • KX-T-165 3. Installation Points (1) Stick the insulation on both inner sides of the duct, leaving no space up and down. (Unit inside) BOTTOM Insulation Sticking standard position for insulation Duct (Unit outside) Insulation (*) After unpacking, bottom side of the unit is located at the upper side. (2) Install the rail on both inner sides of the duct with the screw.
  • Page 59 VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS Air-Conditioning & Refrigeration Systems Headquarters 16-5, Konan 2-chome, Minato-ku, Tokyo, 108-8215 Japan http://www.mhi.co.jp Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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