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9-1-1. Installation Diagram of Indoor and Outdoor Units

Fig. 9-1-1

9-1-2. Optional Installation Parts

Fixing bolt arrangement of outdoor unit

• Secure the outdoor unit with the attachment bolts and nuts if

the unit is likely to be exposed to
a strong wind.

• Use Ø8 mm or Ø10 mm anchor

bolts and nuts.

• If it is necessary to drain the

defrost water, attach drain nipple
to the bottom plate of the outdoor
unit before installing it.

Fig. 9-1-2

Part

code

Parts name

Refrigerant piping
Liquid side

: Ø6.35

Gas side

: Ø9.52

Pipe insulating material
(Polyethylene foam, 6mm thick)

Putty, PVC tapes

Q’ty

Each

one

Each

one

For the rear left and left piping

Before installing the wireless
remote controller

Insert the cushion between
the indoor unit and wall, and
tift the indoor unit for better
installation work.

Do not allow the drain hose to
become slack.

Make sure the drain hose is
sloped downward.

The auxiliary piping can be
connected at the left, rear left,
rear right, right, bottom right or
bottom left as shown below.

Insulate the refrigerant pipes
separately, not together.

Wall

Cut the piping
hole slightly
sloped.

Right

Rear
right

Bottom
right

Rear
left

Bottom left

Left

6 mm thick heat resisting
polyethylene foam

• With the remote controller

cover removed, correctly
load the figure, supplied
batteries while observing
their polarity.

Cover

3 Batteries

1 Installation

plate

10 Dust collecting

unit

5 Zeolite-3G filter

6 Zeolite-plus

filter

2 Wireless

remote controller

As shown in the figure, position power cord and connecting
cable downward, and route it along piping connection port.

67 mm or more

140 mm
or more

Hook

Shield pipe

Flat head
wood screw

Remote controller holder

Wireless remote controller

100 mm
or more from wall

50 mm
or more
from wall

250 mm
or more from wall

200 mm or more

600 mm
or more

Saddle

Extension drain hose
(Option:RB-821SW)

310

600

115

Содержание RAS-10JAVP-E

Страница 1: ... ILE NO A02 015 SPLIT TYPE RAS 10JKVP E RAS 10JAVP E RAS 13JKVP E RAS 13JAVP E PRINTED IN JAPAN Mar 2002 ToMo ...

Страница 2: ...4 WIRING DIAGRAM 15 5 SPECIFICATIONS OF ELECTRICAL PARTS 17 6 REFRIGERANT CYCLE DIAGRAM 18 7 CONTROL BLOCK DIAGRAM 20 8 OPERATION DESCRIPTION 22 9 INSTALLATION PROCEDURE 42 10 HOW TO DIAGNOSE THE TROUBLE 52 11 HOW TO REPLACE THE MAIN PARTS 73 12 EXPLODED VIEWS AND PARTS LIST 86 ...

Страница 3: ...ight kg 10 10 Fan motor output W 30 30 Indoor unit Air flow rate Cooling Heating m h 550 610 560 640 Unit model RAS 10JAVP E RAS 13JAVP E Height mm 550 550 Width mm 780 780 Dimension Depth mm 270 270 Net weight kg 38 38 Motor output W 750 750 Type Twin rotary type with DC inverter variable speed control Compressor Model DA91A1F 45F DA91A1F 45F Fan motor output W 43 43 Outdoor unit Air flow rate Co...

Страница 4: ... 0 20 40 60 80 120 100 RAS 10JKVP E RAS 13JKVP E Capacity ratio 100 3 5 kW RAS 13JKVP E Capacity ratio 100 2 5 kW RAS 10JKVP E 100 110 90 80 70 60 50 32 34 36 38 40 42 33 35 37 39 41 43 44 45 46 Outdoor temp C Capacity ratio 120 100 80 60 40 20 0 15 10 5 0 5 10 Capacity ratio Outdoor temp C Conditions Indoor DB 20 C Indoor air flow High Pipe length 5m Conditions Indoor DB27 C WB19 C Indoor air flo...

Страница 5: ...e pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged...

Страница 6: ...re that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing P...

Страница 7: ...s mm 0 8 0 8 0 8 1 0 A mm Flare tool for R410A Conventional flare tool clutch type Clutch type Wing nut type 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Table 2 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm F...

Страница 8: ...by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 2 2 7 Tightening torque of flare for R410A Reference values Fig 2 2 2 Relations between flare nut and flare seal surface Table 2 2 6 Flare and flare nut dimensions for R22 Nominal diameter 1 4 3 8 1 2 5 8 3 4 Outer diameter mm 6 35 9 52 12 70 15 88 19 05 Thickness mm 0 8 0 8...

Страница 9: ...lowing tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed No 1 2 3 4 5 6 7 8 9 10 Used tool Flare...

Страница 10: ...t s gas side Recover the refrigerant and check no refrigerant remains in the equipment For refrigerant charging see the figure below Connect the charge hose to the vacuum pump adapter Open fully both packed valves at liquid and gas sides Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle Wh...

Страница 11: ...oy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expen sive though it excels in solderability 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is we...

Страница 12: ...ective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for ...

Страница 13: ...re Ø6 35 Drain hose Outside length 0 54m Auxiliary hose Outside length 0 36m Flare Ø9 52 Stud bolt hole For Ø6 Stud bolt hole For Ø8 to Ø10 Minimum distance to wall Minimum distance to wall 140 or more 140 or more 47 or more Hanging section Outline of installation plate Center line of main unit Center line of installation plate Lower part hanging section Minimum distance to ceiling 3 CONSTRUCTION ...

Страница 14: ...de roof attaching Fan guard Valve cover Earth terminal B leg part Hanger ø6 hole pitch Anchor bolt long hole pitch A leg part view Z Charging port 2 Ø6 hole 2 Ø6 hole 600 50 11 R15 36 310 296 600 50 11 R15 36 310 296 R 5 5 R 5 5 Detailed A leg part Detailed B leg part Outside line of product Outside line of product 600 310 B C A D 4 x Ø11 x 17U shape hole For Ø8 Ø10 anchor bolt Mounting dimensions...

Страница 15: ...TE YEL YELLOW BLU BLUE GRN GREEN YEL YELLOW MAIN P C BOARD MCC 891 HEAT EXCHANGER SENSOR TC CN07 WHI CN13 WHI CN100 WHI CN08 HA JEM A MCC 900 Wireless Unit Assembly POWER SUPPLY CIRCUIT 2 1 4 3 BLK 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 BLU BLK BLU BLU BLU BLU BLU BLU BLU 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 CN01 BLU CN10 WHI CN33 WHI 1 2 1 2 THERMO SENSOR TA LINE FILTER BLK BLK BLK BLK CN03 WHI 1 2 1...

Страница 16: ...ALVE RELAY 1 1 2 2 1 1 2 2 TD 3 3 1 1 2 2 3 3 TO 1 1 2 2 TS 1 1 2 2 3 3 1 1 2 2 3 3 4 4 5 5 6 6 1 1 2 3 4 5 1 2 3 4 5 YEL PNK GRY 1 2 3 1 2 3 RED PUR P14 CN300 CN301 Q300 P13 P12 P11 P02 P03 P01 VARISTOR F04 FUSE T3 15A F01 FUSE T25A WHI BLK POWER SUPPLY 220 240V 50Hz 220V 60Hz TO INDOOR UNIT THERMOSTAT FOR COMPRESSOR CONVERTER MODULE IGBT MODULE REACTOR ELECTRONIC STARTER IGBT Insulated Gate Bipo...

Страница 17: ...ut Rated 1W 16poles 1phase DC12V No 1 2 3 4 5 6 7 8 9 Parts name Reactor Outside fan motor Suction temp sensor TS sensor Discharge temp sensor TD sensor Outside air temp sensor TO sensor Heat exchanger temp sensor TE sensor Terminal block 6P Compressor Compressor thermo Model name CH 57 ICF 140 43 1 Inverter attached Inverter attached Inverter attached Inverter attached DA91A1F 45F US 622KXTMQO SS...

Страница 18: ...nt flow Cooling Refrigerant flow Heating INDOOR UNIT T1 TO Temp measurement Indoor heat exchanger Cross flow fan Deoxidized copper pipe Outer dia 6 35mm Thickness 0 8mm Sectional shape of heat insulator Allowable height difference 10m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse modulating valve at liquid side SEV16RC3 Ø1 5 x 200 Ø1 5...

Страница 19: ... C 12 to 14 41 to 43 10 to 12 43 to 45 Model name RAS 10JKVP E 13JKVP E Standard pressure P MPa 0 9 to 1 1 0 8 to 1 0 Indoor fan mode High High Outdoor fan mode High High Compressor revolution rps 47 72 Temperature condition C Indoor Outdoor 20 7 6 Heat exchanger pipe temp T1 C T2 C 37 to 38 2 to 4 42 to 44 0 to 3 Model name RAS 10JKVP E 13JKVP E Standard pressure P MPa 2 2 to 2 4 2 5 to 2 7 Indoo...

Страница 20: ...er Receiver Micro Switch Converter D C circuit Noise Filter Indoor Fan Motor Air purifier unit Louver Motor Louver Motor Drive Control Indoor Fan Motor Control Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Infrared Rays 36 7kHz Remote Controller Operation START STOP Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Directi...

Страница 21: ...t sensor Rotor position detect circuit Rotor position detect circuit PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control Signal communication to indoor unit P M V Pulse Modulating Valve M C U Mic...

Страница 22: ...of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Operation control of outdoor fan motor P M V control Operations followed to judgment of serial signal from indoor side Detection of inverter input current and current release operation Over current detection and prevention o...

Страница 23: ... valve according to the operation signal sent from the indoor unit 1 The power coupler of 4 way valve is usually turned on and it is turned off during defrost operation Only in heating Remote controller Indoor unit Control contents of remote controller ON OFF Air conditioner Air filter Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED ...

Страница 24: ...he room temperature or outdoor temperature after selecting an operation mode COOL HEAT reselect an operation mode 4 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation air is controlled in order to prevent lowering of the room temperature during defrost opera tion and to avoid air from blowing direc...

Страница 25: ...on of the fan motor is controlled to the air volume level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature Fig 1 Fig 2 Table 1 Tap allocation of indoor fan air volume Air volume level WF WE WD WC WB WA W9 W8 W7 W6 W5 W4 W3 W2 W1 COOL UH H M M L L L UL SUL HEAT UH H M M L L L UL SUL DRY L L L UL SUL RAS 10JKVP E No of revolution rpm 1630...

Страница 26: ... etc In heating operation Description 1 When setting the air volume to M M L L or H on the remote controller the operation is performed with the constant air volume of the air volume level shown in Fig 3 and Table 1 2 When setting the air volume to AUTO on the remote controller No of revolution of the fan motor is controlled to the air volume level shown in Fig 5 according to the setup temperature...

Страница 27: ... No of revolution of the compressor the operation tap of the outdoor fan shown in the table is selected to operate the fan Tap allocation of outdoor fan air volume rpm Tap f 1 f 2 f 3 f 4 f 5 f 6 f 7 f 8 RAS 10JAVP E 1050 840 750 750 700 650 390 390 RAS 13JAVP E 1050 840 840 840 700 650 390 390 2 No of revolution 400 when the motor stopped Air conditioner ON Remote controller YES YES NO NO Indoor ...

Страница 28: ...of the compres sor so that power value of the compressor driving circuit does not exceed the specified value 1 The input current of the outdoor unit is detected in the connecting section of the outdoor unit Inverter assembly 2 According to conditions of the detected outdoor temperature the specified value of the current is set up 3 Whether the current value exceeds the specified value or not is ju...

Страница 29: ...pressor is held Q zone When temperature of the indoor heat exchanger is down in the range from 48 C to 55 C No of revolution of the compressor is held Q zone 2 When temperature of the indoor heat exchanger is up to 55 C or higher No of revolution of the compressor is decreased P zone 3 When temperature of the indoor heat exchanger is up to 52 C or lower or when it is down to 48 C or lower the capa...

Страница 30: ...ecessity of defrost operation differ in A B or C zone each Table 1 Defrost operation Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert OFF 4 way valve 10 seconds after stop of the com pressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan Defrost ...

Страница 31: ...s start swinging The louver position can be arbitrarily set up by pushing FIX button Louver angle Horizontal 0 Horizontal blowing Inclined blowing Blowing downward Air direction Inclined blowing Horizontal blowing Cooling operation AUTO COOL Dry Powerful Room temp Ta Set temp Tsc 3 5 Room temp Ta Set temp Tsc 3 5 Initial setting of Cooling storage position Louver Directs downward 9 Initial setting...

Страница 32: ...x 52Hz the temperature zone in which the operation can be performed with Max 6Hz is gradually widened after 30 minutes passed when starting ECO operation 3 The louver position is set horizontally Standard cooling position when the room tem perature comes close to the set temperature or when 30 minutes passed after starting ECO operation Set temp Room temp A 5 to 8 C Memory position in blowing down...

Страница 33: ...tch to AUTO RESTART control YES NO NO YES YES NO YES YES NO YES NO NO NO YES Forced operation of AUTO mode Forced COOL operation Filter operation Filter lamp ON Filter power OFF Filter power OFF Filter power ON Calculation of filter power 1000H Error detection Approx 10 minutes passed Error input H Filter power ON 1 minute or less Filter lamp OFF continues Filter lamp ON Filter power OFF 1 2 3 The...

Страница 34: ...e when filter air volume is AUTO varies in order L L SL 1 Purpose This function detects error on the refrigerating cycle or error on the compressor and performs protective control 2 Operation Control of No of revolution of the compressor Using the discharge temperature control operation for No of revolution is performed as described in the left table 13 Discharge tempera ture control Sending filte...

Страница 35: ... based upon the conditions 8 An error detected on SH controlling status due to PMV error tempera ture sensor error etc is judged as PMV error In this case execute an emergent operation Operation restricting the upper lower limits of No of revolution of the compressor setting PMV as the fixed open degree or stop in emergency SH Super Heat amount Ts Temperature of suction hose of the compressor Tc o...

Страница 36: ...rature fixed at 25 C starts Controlling is same as that of Auto operation by the remote controller When the RESET button is pushed again the operation stops During Temporary Auto operation operation by the remote controller is accepted Using the Auto Restart function the Temporary Auto operation starts when power failure is reset 8 3 2 Temporary Cooling Operation When the RESET operation button ke...

Страница 37: ...cated in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down Motions The unit is on standby The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to op...

Страница 38: ...The unit stops operating The orange lamp is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on 8 5 1 How to Turn Off Filter Check Lamp Push FILTER button on the remote controller Or push RESET button on the indoor unit Then we have to clarify it NOTE If RESET button ...

Страница 39: ...N button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time push of the OFF OFF button To move down the time push of the OFF OFF button 10 Reserve button SET Push this button to store the time settings A receiving beep is heard 11 Cancel button CLR Push this button to cancel the ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Pus...

Страница 40: ...nd MODE button at the same time to change the remote controller setting fron A to B Priority is given to the A setting The E Parts of the indoor unit are also changed to the B setting 1 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit 2 Mode display Indicates the current operation mode AUTO Automatic control A Auto changeover contro...

Страница 41: ...the difference between the preset tempera ture and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the differ ence between them gets smaller the horizon tal louver returns automatically 3 Heating operation The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change If the deference betwee...

Страница 42: ...AUTION TO DISCONNECTTHE APPLIANCE FROM THE MAIN POWER SUPPLY This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3mm The installation fuse 25A D type must be used for the power supply line of this air conditioner DANGER FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE...

Страница 43: ...he unit Contact your Toshiba dealer immediately WARNING Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water After unpacking the unit examine it carefully for any damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise leve...

Страница 44: ...Make sure the drain hose is sloped downward The auxiliary piping can be connected at the left rear left rear right right bottom right or bottom left as shown below Insulate the refrigerant pipes separately not together Wall Cut the piping hole slightly sloped Right Rear right Bottom right Rear left Bottom left Left 6 mm thick heat resisting polyethylene foam With the remote controller cover remove...

Страница 45: ...te sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Used when flare is made by using conventional flare tool Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose...

Страница 46: ...ipes from the rear Fig 9 2 2 1 After determining the pipe hole position on the mounting plate drill the pipe hole Ø65 mm at a slight downward slant to the outdoor side NOTE When drilling the wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Fig 9 2 3 When the installation plate is directly mounted on the wall 1 Securely fit the installati...

Страница 47: ...o the terminal block and secure it tightly with screws 6 Tightening torque 1 2 N m 0 12 kgf cm 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical requlations for any specific wiring instructions or limitations...

Страница 48: ...g After scribing slits of the front panel with a knife or a marking off pin cut them with a pair of nippers or an equivalent tool Fig 9 2 14 Slit Slit Fig 9 2 15 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them CAUTION B...

Страница 49: ...gradually CAUTION 1 Install the outdoor unit without anything blocking the air discharging 2 When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high storey of a building secure the normal fan operation using a duct or a wind shield 3 Specially in windy areas install the unit prevent the admission of wind 4 Installation in the following places may res...

Страница 50: ... see the manual of vacuum pump Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve...

Страница 51: ...st be used for the power supply line of this air conditioner If incorrect or incomplate wiring is carried out it will cause an ignition or smoke Prepare the power supply for exclusive use with the air conditioner This product can be connected to the main breaker Connection to fixed wiring A switch which disconnects all poles and has a contact separa tion of at least 3 mm must be incorporated in th...

Страница 52: ...then perform discharging Fig 10 1 10 1 First Confirmation 10 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 10 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally The pulse modulating circuits are mounted to both indoor and outdoor units Therefore diagnose tro...

Страница 53: ...h operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 min utes and Max 91 rps for 2 minutes to 3 minutes respec tively after the operation has started If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote controller is consumed or not After selecting Cool or Heat mode select an operation mode ...

Страница 54: ...k codes can be confirmed on the remote controller for servicing OPERATION Green Flashing display 1 Hz OPERATION Green TIMER Yellow FILTER Red Flashing display 5 Hz OPERATION Green FILTER Red Flashing display 5 Hz OPERATION Green TIMER Yellow Flashing display 5 Hz OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board Protective circuit operation for connecting cabl...

Страница 55: ...AUTO UTO Push CHECK button with a tip of pencil to set the remote controller to the service mode is indicated on the display of the remote controller The timer lamp of the indoor unit flashes continuously 5 times per 1 sec Push ON or OFF button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote controller will change as follows Check the unit with all ...

Страница 56: ...e Air conditioner status Operation continues Operation continues All off Operation continues Operation continues Operation continues Remarks Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Flashes when trouble is detected on Return serial signal and normal status when signal is reset Flashes when trouble is detecte...

Страница 57: ... is detected Displayed when error is detected Air conditioner status All off All off All off All off All off All off Operation continues All off Operation continues All off All off All off Operation continues Judgment and action Even if trying operation again all operations stop immediately Replace P C board 1 Even if connecting lead wire of compressor is removed position detect circuit error occu...

Страница 58: ...n after removing motor Refer to Primary check or this problem is one step short of power P C board block Transfer swith IC IC01 for power supply or fan motor is defective Unit operates normally Replace main P C board Replace motor Is fuse F01 of indoor control board blown Microcomputer is defective NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES YES YES YES NO NO To item of Power supply is...

Страница 59: ...t DC 1V or more between 5 and 3 of motor connector CN10 Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN10 Check this condition within 15 seconds after starting unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of ...

Страница 60: ...ace motor 4 Indoor fan motor automatically starts to rotate by turning on power supply Cause The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply Inspection procedure 1 Remove the front panel Remove 2 screws 2 Remove the...

Страница 61: ... Batteries are exhausted Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio Is transmission mark indicated P C board is defective Replace P C board Replace batteries Replace remote controller Normal oparation Remote controller is defective NO YES NO YES NO YES NO YES NO YES NO YES NO YES Does indoor unit start to operate by automatic resta...

Страница 62: ... block varied Confirm that transmission from indoor to outdoor is correctly performed based upon the following dia gram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Normal time Voltage swings between DC15 and 60V Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started...

Страница 63: ...ogged Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once NOTE After all the operations stopped by the remote controller the power keeps being supplied to outdoor unit for approx 3 minutes If operating the air conditioner by remote controller again just after all the operations sto...

Страница 64: ... of the high pressure unit Is DC12V applied between and of CN33 of the main P C board MCC891 Deposited micro switch Inoperable micro switch To item Power supply is not turned on Replace the main P C board MCC891 Replace micro switch Push the switch ON Release the switch OFF Does the plasma lamp go off within 2 seconds after it was ON and does the filter lamp Red go on Are the dust collector and io...

Страница 65: ...nduction of micro switch connector under OFF status of the micro switch Front panel opened Is there conduction of micro switch connector under ON status of the micro switch Front panel closed Does the indoor fan rotate Does the plasma lamp Blue or the filter lamp Red go on Is DC12V applied between Red DC12V and Brown GND of CN1 of the high pressure unit in the air filter Deposited micro switch Ino...

Страница 66: ...e resistance approx 100Ω40W or soldering iron plug between terminals of the electro lytic capacitor 500µF of C14 with printed CAU TION HIGH VOLTAGE on P C board OK if 500µF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN01 is a connector with lock Resistance between phases should be approx 55 to 77Ω Should be 10MΩ or more Replace outdoor fan motor Remove connecto...

Страница 67: ...ing the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discol oration of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 15V Indoor fan motor control circuit CPU and ...

Страница 68: ...PERATION TIMER PRE DEF Filter CHECK FILTER Fitered and Hi Power are indicated for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes 1 Check it is impossible to detect the voltage DC 15V between 3 and 4 of...

Страница 69: ...mperature C TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TA TC TO TE TS TD 10 9 2 P C Board Layout Bottom View For the Top View refer to page 65 1 Sensor characteristic table ...

Страница 70: ... 3 Indoor fan motor 4 Part name Compressor Model DA91A1F 45F Checking procedure Measure the resistance value of each winding by using the tester Position Red White White Black Black Red Resistance value 0 51 to 0 57 Ω Under 20 C Measure the resistance value of winding by using the tester Outdoor fan motor Model ICF 140 43 1 2 Position Yellow Pink Resistance value 5 to 20 kΩ For details refer to Se...

Страница 71: ... three capacitors completely 3 Check that safety valve at the bottom of capacitor is not broken 4 Check that vessel is not swollen or exploded 5 Check that electrolytic liquid does not blow off 6 Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under another pol...

Страница 72: ...n motor does not rotate Outdoor fan motor stops within several tens seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the...

Страница 73: ...g screw Installation board Front panel Hanging hooks at the top side 4 positions Push Push Push Push Push Fixing screw Screw Drain guide Lead wire cover TC sensor Horizontal louver 1 Follow to the procedure in the above item 2 Remove the drain guide 3 Remove the electric dust collector 4 Remove screw attached to the end plate of the heat exchanger 5 Remove the lead wire cover and remove connector ...

Страница 74: ...into the specified position and then incorporate it in the main body 1 Follow to the procedure in the item 2 Loosen the set screw of the drift fan at the discharge port 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward In assembling work install the fan motor as follows Adjust the positions so that the connector cover attached to t...

Страница 75: ...ift fan at dis charge port 6 Remove two fixing screws of the motor band Right to remove the motor band Right Remarks 7 Slide the fan motor outward to remove it 8 Remove the fixing screws at the lower right side of the heat exchanger 9 Remove the heat exchanger from two hanged parts of the motor band Left while sliding it rightward 10 Lift up the left side of the heat exchanger toward you to remove...

Страница 76: ... unit Holding the set screw install the drift fan so that U groove of the fan motor comes to the mounting hole of the set screw Install the fan motor for service work so that the center D letter cut part comes to the set screw mounting hole position Perform positioning of the fan motor as follows c For incorporation of the motor band Right follow to the above procedure b incorporate two hanging ho...

Страница 77: ...nce and then draw out it 1 Remove the dust collector unit 2 Remove the fixing hooks at 6 positions and separate the unit into upper frame and collector 1 Follow to the procedure in item 2 Remove two fixing hooks at upper and lower sides of the cover to remove the cover 3 Remove thick red and black Faston lead wires and the connector attached to the main frame 4 Remove the earth cover at the rear s...

Страница 78: ...N13 IC03 IC02 CN04 Part name Common procedure Procedure 1 Turn the power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 4 fixing screws 3 Remove the electrical part base Remarks Replace the thermal fuse terminal block microcomputer ass y and the P C board ass y ...

Страница 79: ...d attach the wiring cover Insert the upper part into the upper cabinet insert claw which has been hooked to the lower part into the square hole and then fix it with screw ST1TØ4 x 10 1 pc 3 Attach the valve cover ST1TØ4 x 10 1 pc Insert the upper part to the upper cabinet set hook claw of the valve cover to square holes at three positions of the main unit and attach it pushing upward Remarks 1 Det...

Страница 80: ...s one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between polarity with screwdriver etc for discharging 4 Remove screw ST1TØ4 x 10 2 pcs fixing the main body and the inverter box 5 Remove various lead wires from the holder at upper part of the inverter box and wiring holder at right side of the terminal block 6 Remove the lead wire from the bundled...

Страница 81: ...the control board assembly from P C board base 1 Main control board assembly side Remove two claws of P C board base and remove upward the heat sink with hands Remove three screws fixing the heat sink and main control board assembly side and replace the board with a new one 1 Perform work of item 1 of and 2 Remove fixed screws fixing to the bottom plate ST1TØ4 x 10 3 pcs 3 Remove fixed screws fixi...

Страница 82: ... refrigerant gas 3 Remove the partition board ST1TØ4 x 10 4 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor thermo and the compressor from the terminal 6 Remove pipe connected to the compressor with a burner 7 Remove the fixing screw of the bottom plate and heat exchanger ST1TØ4 x 10Tsc 0 5 1 0 1 5 2 0 C Ta d e f g Fan...

Страница 83: ...d then fix the coil The pulse modulating valve has A room side and B room side After mounting it check that coil at B room side Red mark ing is marked on the pulse modulating valve is connected to CN13 of the control board assembly Fan guard 1 Detachment 1 Perform work of item 1 of and 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated c...

Страница 84: ...d recycle that connector 6 Tear the lead wire in two on the connector side and strip the covering part 7 Twist the leads on the connector and sensor sides and solder them 8 Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 1...

Страница 85: ... 85 MCC 813 ...

Страница 86: ... 86 12 EXPLODED VIEWS AND PARTS LIST 12 1 Indoor Unit 1 ...

Страница 87: ......

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