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OPERATING PROCEDURE

PHOTOS/FIGURES

Removing the pipe temperature thermistor/liquid (TH2)

and pipe temperature thermistor/gas (TH5)

(1) Remove the panel. (Refer to procedure 2)

(2) Remove the room temperature thermistor (TH1). (Refer

to procedure 4)

(3) Remove the drain pan. (Refer to procedure 5)

Pipe temperature thermistor/liquid (TH2) and pipe

temperature thermistor/gas (TH5) (See Photo 8)

(4) Remove the control box cover. (Refer to procedure 3)

(5) Disconnect the thermistor connectors from the CN44 on

the indoor controller board.

(6) Cut the band fixing the thermistor connectors to the fan

motor cable.

(7) Remove the thermistors from the holders on heat

exchanger.

Note:

When re-attaching the thermistor connectors to the

fan motor cable, make sure to put the fixed band

into the groove. (See Photo 8-1)

Photo 8

Photo 8-1

Removing the fan motor (MF)

(1) Remove the panel. (Refer to procedure 2)

(2) Remove the room temperature thermistor (TH1). (Refer

to procedure 4)

(3) Remove the drain pan. (Refer to procedure 5)

Turbo fan (See Photo 3)

(4) Remove the nut and washer from the turbo fan.

(5) Remove the turbo fan from the motor shaft.

< Nut and washer >

Note 1: When assembling the turbo fan, attach it so that

it's tabs fit the holes of washer.

Note 2: Nut tightening torque: 4.5 ± 0.5 Nm.

Fan motor (See Photo 9)

(6) Remove the control box cover. (Refer to procedure 3)

(7) Disconnect the fan motor cable from the CNMF on the

indoor controller board.

(8) Remove the 2 motor lead cover fixing screws, then

remove the motor lead cover.

(9) Loosen the 3 clamps fixing the fan motor cable.

(10) Cut the band.

(11) Remove the 3 nuts and washers, then remove the fan

motor.

(12) Remove the 3 motor mounts.

Note 1: When re-attaching the motor mount, make sure

that the thicker end faces the motor shaft.

(See Photo 10-1)

Note 2. When re-attaching the turbo fan, make sure that

the tightening torque for nuts is 5 N·m or lower.

Photo 9

Photo 10

Photo 10-1

Motor lead

cover

Pipe temperature

thermistor/liquid (TH2)

Pipe temperature

thermistor/gas (TH5)

Band

Motor lead

cover fixing

screws

Motor lead

cover fixing

screws

Clamps

Band

Nuts and

washers

Fan motor

Nut and washer

Motor mounts

Fan motor

Band

Fan motor

Thicker end

Fan motor

cable

Fan motor

cable

Motor mount

tabs

Washer

Turbo fan

holes

OCHT669

Содержание TRANE NTXCKS09A112AA

Страница 1: ...ON 2 3 PARTS NAMES AND FUNCTIONS 4 4 SPECIFICATIONS 9 5 OUTLINES AND DIMENSIONS 11 6 WIRING DIAGRAM 13 7 REFRIGERANT SYSTEM DIAGRAM 14 8 TROUBLESHOOTING 15 9 SPECIAL FUNCTION 28 10 4 WAY AIRFLOW SYSTEM 30 11 DISASSEMBLY PROCEDURE 32 INDOOR UNIT Model name indication WIRED REMOTE CONTROLLER Option PARTS CATALOG OCBT669 WIRELESS REMOTE CONTROLLER Option November 2018 ...

Страница 2: ...rigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge manifold Torque wrench Gas leak detector Charge hose Tools for R410A Contamination inside refrigerant piping can cause ...

Страница 3: ...s charged in liquid phase Electronic weighing scale Unit 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 09MPa G or over 3 Electronic weighing sca...

Страница 4: ...ing Vane Disperses airflow up and down and adjusts the angle of airflow direction Grille Filter Removes dust and pollutants from drawn in air Horizontal Air Outlet Sets horizontal airflow automatically during cooling or dehumidifying Air Intake Draws in air from room ...

Страница 5: ...tep 5 Swing Auto Fan speed setting Set Temperature buttons Set Time button Sets the time Airflow button Changes up down airflow direction Mode button Changes operation mode Timer ON button Timer OFF button OFF ON button Fan Speed button Changes fan speed SET SEND button CANCEL button Up Down buttons Menu button i see button Reset button Remote controller display Battery replacement indicator Trans...

Страница 6: ...on It blinks while the remote controller is starting up or when there is an error Press to save the setting Main display Press to change the operation mode Main menu Press to move the cursor down Press to return to the previous screen Main display Press to decrease temperature Main menu Press to move the cursor up Press to bring up the Main menu Main display Press to increase temperature Main menu...

Страница 7: ...r Restriction Maintenance Initial setting ON OFF timer Auto OFF timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Service Input maintenance info Function setting Check Self check Maintenance password Remote controller check Test run Clock Auto descending panel Menu structure Filter information ...

Страница 8: ...ving rate Up to 4 energy saving operation patterns can be set for each day Time can be set in 5 minute increments Energy saving rate can be set to a value from 0 and 50 to 90 in 10 increments Night setback Use to make Night setback settings Select Yes to enable the setting and No to disable the setting The temperature range and the start stop times can be set Restriction Temp range Use to restrict...

Страница 9: ...ut maintenance Select Input maintenance Info from the Service menu to bring up the Maintenance information screen The following settings can be made from the Maintenance Information screen Model name input Serial No input Dealer information input Function setting Make the settings for the indoor unit functions via the remote controller as necessary LOSSNAY setting CITY MULTI only This setting is r...

Страница 10: ...0 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz High Medium 34 SPL dB 30 LINE 60Hz NOTCH Low 25 NTXCKS12A112AA 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC...

Страница 11: ...11 OCHT669 OUTLINES AND DIMENSIONS 5 Unit inch mm NTXCKS09A112AA NTXCKS12A112AA NTXCKS15A112AA NTXCKS18A112AA ...

Страница 12: ...12 OCHT669 WIRED REMOTE CONTROLLER WIRELESS REMOTE CONTROLLER PAR SL100A E PAR 33MAA 7 7 16 188 2 9 16 64 7 2 5 8 66 7 8 22 3 4 19 4 3 4 120 4 3 4 120 3 5 16 83 5 1 13 16 46 Unit inch mm ...

Страница 13: ...13 OCHT669 WIRING DIAGRAM 6 NTXCKS09A112AA NTXCKS12A112AA NTXCKS15A112AA NTXCKS18A112AA ...

Страница 14: ...erature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare NTXCKS09A112AA NTXCKS12A112AA NTXCKS15A112AA NTXCKS18A112AA NTXCKS09 12A112AA NTXCKS15 18A112AA Gas pipe φ3 8 9 52 φ1 2 12 7 Liquid pipe φ1 4 6 35 φ1 4 6 35 Unit inch mm ...

Страница 15: ...de logs and restart the unit after finishing service 3 There is no abnormality in electrical component controller board remote controller etc 1 Re check the abnormal symptom 2 Conduct troubleshooting and ascertain the cause of the trouble according to 8 4 TROUBLESHOOTING OF PROBLEMS 3 Continue to operate unit for the time being if the cause is not ascertained 4 There is no abnormality concerning o...

Страница 16: ... 11 PB Pb Indoor unit fan motor error 12 FB Fb Indoor unit control system error memory error etc 14 PL Refrigerant circuit abnormal Output pattern B Errors detected by unit other than indoor unit outdoor unit etc Note The supported check codes may vary depending on the connected outdoor unit Wireless remote controller Wired remote controller Symptom Remark Beeper sounds OPERATION INDICATOR lamp bl...

Страница 17: ...nit s protection device is not connected Reverse or open phase wiring for the outdoor unit s power terminal block Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short Note Operation is not possible for about 30 seconds after cancellation of function selection Correct operation For description of each LED LED1 2 3 provided on the indoor contr...

Страница 18: ...ller board Check resistance value of thermistor For characteristics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 8 5 TEST POINT DIAGRAM Turn the power on and check restart after inserting connector again Check pipe liquid temperature with remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in ...

Страница 19: ...tor Check operating condition of refrigerant circuit Heating mode 1 Check cleanliness of the filter Remove blockage 4 Refer to 8 7 2 DC Fan Motor Fan Motor Indoor Controller Board Check outdoor fan motor Check operating condition of refrigerant circuit Pipe temperature Cooling mode Detected as abnormal when the pipe tem perature is not in the cooling range 3 min utes after compressor start and 6 m...

Страница 20: ...ooseness of indoor unit or transmission wire of remote controller 2 Set one of the remote controllers main if there is no problem with the action above 3 Check wiring of remote controller Total wiring length max 500 m Do not use cable of 3 wire or more The number of connecting indoor units max 16 units The number of connecting remote controller max 2 units If the cause of trouble is not in above 1...

Страница 21: ...ormal if data cannot be normally read from the nonvolatile memory of the indoor controller board 1 Defective indoor controller board 1 Replace indoor controller board E1 or E2 6201 or 6202 Remote controller control board 1 Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board Check code E1 2 Abnormal if the clock function of remote controller c...

Страница 22: ...ondensation on float switch Drain water trickles down lead wire Drain water ripples due to filter being clogged Extension piping connection difference at twin triple or quadruple system Miswiring of indoor outdoor connecting at twin triple quadruple system Room temperature thermistor liquid pipe temperature thermistor detection is defective 1 Check the drain pump 2 Check whether water can be drain...

Страница 23: ...ting of refrigerant address for outdoor unit Set the refrigerant address to 0 For grouping control system under which 2 or more outdoor units are connected set one of the units to 0 Set refrigerant address using SW1 3 6 on outdoor controller circuit board 1 2 LED2 on indoor controller board is blinking When LED1 on indoor controller board is also blinking Connection failure of indoor outdoor unit ...

Страница 24: ... CN5Y i see Sensor motor MT 12 V pulse output CNV Vane motor MV 12 V pulse output J41 J42 Jumper wire Pair No setting with wireless remote controller SW2 Capacity setting LED3 Communication Indoor outdoor SWE Jumper switch Emergency operation CN32 Remote switch CN41 HA terminal A CN2L Lossnay CN01 Connect to the terminal block TB4 Indoor outdoor connecting line 220 240 V AC F1 FUSE 6 3A 250V LED1 ...

Страница 25: ...F ON MODELS SW2 1 2 3 4 5 OFF ON 1 2 3 4 5 OFF ON 09 12 15 1 2 3 4 5 OFF ON 18 MODELS SW2 Pair number setting with IR wireless remote controller J41 J42 0 1 2 3 to 9 Wireless remote controller setting Control PCB setting J41 J42 Initial setting IR wireless remote controller 0 Control PCB for both J41 and J42 4 pair number settings are supported The pair number settings of the wireless remote contr...

Страница 26: ...s properly 2 Check if the drain pump works and drains water properly in dry mode 3 If no water drains confirm that the check code P5 will be displayed 10 minutes after the operation starts Note The DC volt drain pump motor for this model is driven by the control board so it is not possible to measure resistance between the wires leading to the pump motor Normal Red Black Input 13 V DC The pump sta...

Страница 27: ...oor controller board Replace the defective fan motor Is the voltage normal Is there contact failure No Yes Yes No Check the operation of fan Complete Complete Fail OK OK Check the operation Check method of DC fan motor fan motor indoor controller circuit board 8 7 1 Thermistor Characteristic Graph Symptom The fan motor does not stop when controlled to stop by the remote controller The fan motor ru...

Страница 28: ... You can set these functions by wired remote controller Request code Note that the change can be made only by the wired remote controller PAR 33MAA Notes 1 If using a twin indoor unit system both main and sub unit should be set in the same setting 2 Every time replacing indoor controller board for serving the function should be set again 3 Stop the air conditioner operation before changing the hea...

Страница 29: ...e 004 3 Enter the current maintenance password 4 numerical digits Move cursor to the digit you want to change with the F1 or F2 button Set each number 0 through 9 with the F3 or F4 button Note The initial maintenance password is 9999 4 Then press the button 5 Select Check with the F1 or F2 button and press the button 6 Select Request code with the F1 or F2 button and press the button 7 Set the Ref...

Страница 30: ...se a relay of 1W or smaller MB Electromagnetic switch power relay for duct fan X Auxiliary relay 12 V DC LY 1F Be sure to secure insulation material by tape etc 5 Green Yellow Orange Connector 5P Indoor unit side Multiple remote controller adapter PAC SA88HA E Be sure to secure insulation material by tape etc Installation at site CN51 on indoor unit board Red Brown 1 MB Multiple remote controller ...

Страница 31: ...ntal vane Connector Unlocking button Vane motor 3 Set the vertical vane of the air outlet by hand slowly within the range in the table below A Measured standard position of the grille Horizontal vane Caution Do not set the dimension out of the range Erroneous setting could cause dew drips or malfunction of unit θ Set range Standard of horizontal position Angle θ 21 Horizontal Angle θ 24 Angle θ 39...

Страница 32: ...tor box Corner panel See Figure 2 and Photo 2 5 Loosen the screw from the corner of the corner panel 6 Slide the corner panel as indicated by the arrow 7 Remove the safety strap from the hook then remove the corner panel from the panel The safety strap is not equipped for the signal receiver panel and i see Sensor corner panel 8 Remove the fastener then remove the corner panel Panel See Photo 3 9 ...

Страница 33: ...r CN20 from the indoor controller board and disconnect the room temperature thermistor TH1 Note When fixing the thermistor make sure to fix it to the connector box using a band Photo 6 5 Removing the drain pan 1 Remove the panel Refer to procedure 2 2 Remove the room temperature thermistor TH1 Refer to procedure 4 Connector box See Photo 7 3 Remove the connector box fixing screw 4 Slide the connec...

Страница 34: ...e the nut and washer from the turbo fan 5 Remove the turbo fan from the motor shaft Nut and washer Note 1 When assembling the turbo fan attach it so that it s tabs fit the holes of washer Note 2 Nut tightening torque 4 5 0 5 Nm Fan motor See Photo 9 6 Remove the control box cover Refer to procedure 3 7 Disconnect the fan motor cable from the CNMF on the indoor controller board 8 Remove the 2 motor...

Страница 35: ... Notes 1 When re attaching the drain pump make sure to use a band to fix the connector to the base plate 2 Do not give a shock to the float switch Otherwise it can cause damage or malfunction Photo 11 Photo 12 9 Removing the heat exchanger 1 Remove the panel Refer to procedure 2 2 Remove the room temperature thermistor TH1 Refer to procedure 4 3 Remove the drain pan Refer to procedure 5 4 Remove t...

Страница 36: ... CORPORATION Published in Nov 2018 No OCHT669 Made in Japan Specifications are subject to change without notice MITSUBISHI ELECTRIC TRANE HVAC US LLC HEAD OFFICE 1340 SATELLITE BOULEVARD SUWANEE GA 30024 USA Publication No DL SVG039A EN ...

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