Toshiba RAS-18PAVP-E Service Manual Download Page 114

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Toshiba

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Summary of Contents for RAS-18PAVP-E

Page 1: ...pe RAS 07PAVP ND RAS 10PAVP ND RAS 13PAVP ND RAS 16PAVP ND RAS 18PAVP ND AIR CONDITIONER SPLIT TYPE Indoor Unit High Wall Heat Pump Type Standard Type RAS 07PKVP E RAS 10PKVP E RAS 13PKVP E RAS 16PKVP E RAS 18PKVP E North Europe Type RAS 07PKVP ND RAS 10PKVP ND RAS 13PKVP ND RAS 16PKVP ND RAS 18PKVP ND SERVICE MANUAL FILE NO A08 010 ...

Page 2: ...eration Control 32 8 2 2 Cooling Heating Operation 33 8 2 3 AUTO Operation 33 8 2 4 DRY Operation 34 8 3 Indoor Fan Motor Control 34 8 3 1 In Cooling Operation 34 8 3 2 In Heating Operation 36 8 4 Outdoor Fan Motor Control 37 8 5 Capacity Control 38 8 6 Current Release Control 39 8 7 Release Protective control by Temperature of Indoor Heat Exchanger 39 8 7 1 In Cooling Dry Operation 39 8 7 2 In he...

Page 3: ...ration 48 8 16 4 Setting the Remote Controller 48 8 17 Set Temperature Correction 49 8 17 1 Purpose 49 8 17 2 Description 49 8 18 Outdoor Quiet Control 50 8 18 1 Purpose 50 8 18 2 Description 50 8 18 3 Operation 50 8 19 8 C HEAT Operation ND Model Only 50 8 19 1 Start 8 C HEAT Operation When the Air Conditioner is Stopped 50 8 19 2 Start 8 C HEAT Operation When the Air Conditioner is Operating 50 ...

Page 4: ...d Functions of Indications on Remote Controller 55 8 23 Hi POWER Mode 56 8 23 1 In Automatic Operation 56 8 23 2 In Cooling Operation Manual 56 8 23 3 In Heating operation Manual 56 9 INSTALLATION PROCEDURE 57 10 TROUBLESHOOTING 73 11 REPLACING THE MAIN PARTS 94 12 EXPLODED VIEWS AND PARTS LIST 109 ...

Page 5: ...tems to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents For general public use Power suppl...

Page 6: ...FIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PERSONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION ...

Page 7: ...dges Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit For Reference RAS PAVP E model If a heating operation would be continuously performed for a long time under the condition that the outdoor temperature is 0 C or lower drainage of defrosted water may be difficult due to freezin...

Page 8: ...noise Indoor High Cooling Heating dB A 42 42 43 43 45 45 Medium Cooling Heating dB A 34 34 35 35 36 36 Low Cooling Heating dB A 26 26 27 27 Outdoor Cooling Heating dB A 46 46 48 48 50 50 Indoor unit Unit model RAS 07PKVP E ND RAS 10PKVP E ND RAS 13PKVP E ND Dimension Height mm 295 Width mm 790 Depth mm 242 Net weight kg 12 Fan motor output W 30 Air flow rate Cooling Heating m min 10 2 10 8 10 4 11...

Page 9: ...41 Low Cooling Heating dB A 30 30 31 31 Outdoor Cooling Heating dB A 50 50 52 52 Indoor unit Unit model RAS 16PKVP E ND RAS 18PKVP E ND Dimension Height mm 295 Width mm 790 Depth mm 242 Net weight kg 12 Fan motor output W 30 Air flow rate Cooling Heating m min 12 4 12 4 13 4 13 4 Outdoor unit Unit model RAS 16PAVP E ND RAS 18PAVP E ND Dimension Height mm 550 Width mm 780 Depth mm 290 Net weight kg...

Page 10: ...r speed rps 0 1 3 5 6 4 2 7 8 9 Current A 2 cylinder operation 1 cylinder operation 220V 230V 240V 220V 230V 240V Conditions Indoor DB27 C WB19 C Outdoor DB35 C Airflow High Pipe length 5m 10 20 30 40 50 60 70 80 0 90 110 100 Compressor speed rps 0 1 3 5 6 4 2 7 8 9 Current A 2 cylinder operation 1 cylinder operation 220V 230V 240V 220V 230V 240V Conditions Indoor DB20 C Outdoor DB7 C WB6 C Airflo...

Page 11: ...Current A 2 cylinder operation 1 cylinder operation 220V 230V 240V 220V 230V 240V Conditions Indoor DB20 C Outdoor DB7 C WB6 C Airflow High Pipe length 5m 10 20 30 40 50 60 70 80 0 90 110 100 Compressor speed rps 0 1 3 5 6 4 2 7 8 9 Current A 2 cylinder operation 1 cylinder operation 220V 230V 240V 220V 230V 240V Conditions Indoor DB27 C WB19 C Outdoor DB35 C Airflow High Pipe length 5m 10 20 30 4...

Page 12: ...atio Conditions Indoor DB20 C Indoor air flow High Pipe length 5m 25 30 35 40 45 20 Outdoor temperature C 40 50 70 90 100 80 60 110 120 Capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 10 5 0 5 10 15 Outdoor temperature C 40 50 70 90 100 80 60 110 120 Capacity ratio Conditions Indoor DB20 C Indoor air flow High Pipe length 5m 25 30 35 40 45 20 Outdoor temperature ...

Page 13: ... refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air conditioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may oc...

Page 14: ...nts are used Prior to use be sure to remove all contaminants Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 2 2 3 to 2 2 6 below Socket Joints Socket joints are such that they are brazed for connections an...

Page 15: ...ype of flare tool When using a conventional flare tool be sure to secure dimension A by using a gauge for size adjustment Fig 2 2 1 Flare processing dimensions Nominal diameter Outer diameter mm Thickness mm A mm Flare tool for R410A clutch type Conventional flare tool Clutch type Wing nut type 1 4 6 35 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 3 8 9 52 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 1 2 12 70 0 8 0 ...

Page 16: ...ted by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated 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 Nominal diameter Outer diameter mm Thickness mm Dimension mm Flare nut width mm A B C...

Page 17: ...ging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipment which serve also for R22 are necessary as the general tools Also prepare the following equipment for other installation method and run check No Used tool Usage R410A air water heat pump installation Conventional air water heat pump insta...

Page 18: ...at the outdoor unit 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 refrigera...

Page 19: ...ng refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Fig 2 4 2 Cylinder with siphon Fig 2 4 3 Cylinder without siphon NOTE R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composition of the charged refrigerant changes and the characteristics of the equipment varies Gauge m...

Page 20: ...The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harmless to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc Types of flux Non corrosive flux Generally it is a com...

Page 21: ...f the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m3 Hr or 0 02 MPa 0 2kgf cm2 by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux ...

Page 22: ...more Recommend Recommend 70 or more Drain hose detail dia 28 dia 16 dia 14 Inner diameter Outer diameter Heat insulation 19 19 Wireless remote controller 163 58 Model RAS PKVP E Series RAS PKVP ND Series Remote controller holder 4 5 74 5 64 34 dia 4 2 125 5 Remote controller WH H06JE WH H07JE Refrigerant pipe connecting port Liquid side Flare dia 6 35 Outside length 0 4m Refrigerant pipe connectin...

Page 23: ...ia 25 Drain hole Drain long hole Drain long hole 4 dia 4 5 embossment Charging port 600 Detailed A leg part 54 38 320 R 5 5 166 448 26 32 449 35 483 6 108 21 550 8 147 69 5 dia 436 Fan guard 52 Fin guard 1 14 U shape hole 320 shown in the figure belo directions A B C and D leave open in at least two of When installing the outdoor unit Mounting dimensions of anchor bolt Outside line of product Inta...

Page 24: ... i a 2 5 Pipe dia 9 52 13PAVP E ND Pipe dia 12 7 16PAVP E ND Pipe dia 12 7 18PAVP E ND Drain long hole Drain hole Drain long hole Charging port 4 dia 4 5 embossment 88 448 501 25 22 Fin guard 600 Mounting dimensions of anchor bolt When installing the outdoor unit leave open in at least two of directions A B C and D shown in the figure below 2 dia 7 hole 1 320 R5 5 Outside line of product Detailed ...

Page 25: ...EACTOR Outdoor Unit Indoor Unit 2 2 YEL YEL THERMISTOR RELAY POWER P15 P14 C09 C10 C08 PTC P35 P25 BLOCK DIODE Q300 VARISTOR MOSFET Q305 FUSE 250V T3 15A F03 Thermo Sensor Heat Exchanger Sensor Heat Exchanger Sensor Indoor Terminal Block TCj TA TC Heat GRN YEL BLK WHI RED BLK 2 1 BLK 2 1 WHI CN601 1 2 1 2 BLK BLK BLK BLK 1 2 1 2 YEL BLU CN501 CN603 CN602 CN03 CN01 1 2 3 Exchanger BLK CN21 Fuse F01...

Page 26: ...RH 6 Louver motor right left Horizontal MP24Z3N Output Rated 1W 16 poles DC12V 7 Louver motor Moving panel MP24Z4N Output Rated 1W 16 poles DC12V No Parts name Model name Rating 1 Reactor CH 57 L 10mH 16A 2 Fan motor for Outdoor Unit ICF 140 43 4R DC140V 43W 3 Suction temp sensor TS sensor Inverter attached 10kΩ 25 C 4 Discharge temp sensor TD sensor Inverter attached 1 905kΩ 120 C 5 Outside air t...

Page 27: ... 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 V Strainer Pulse motor valve SEV16RCC TD 4 way valve STF 0218G a Compressor DA111A1FD 21F TS Outdoor heat exchanger Capillary Ø1 2x80 Propeller fa...

Page 28: ...1 0 to 1 2 13 to 15 40 to 43 High High 34 10PKVP E 10PKVP ND 0 9 to 1 1 10 to 13 42 to 45 High High 54 16PKVP E 16PKVP ND 0 8 to 1 0 8 to 11 44 to 47 High High 77 18PKVP E 18PKVP ND 0 8 to 1 0 7 to 10 45 to 48 High High 90 Temperature condition C Model name RAS Standard pressure P MPa Heat exchanger pipe temp Indoor fan mode Outdoor fan mode Compressor revolution rps Indoor Outdoor T1 C T2 C 20 7 ...

Page 29: ...or Drive Control Indoor Fan Motor Control Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Heat Exchanger Sensor TC Heat Exchanger Sensor TCj Room Temperature Sensor TA Infrared Rays Signal Receiver and Indication Functions Cold draft preventing Function 3 minute Delay at Restart for Compressor Fan Motor Starting Control Processing Temperature Processing Timer Serial Si...

Page 30: ...n circuit Input current sensor P M V Pulse Motor Valve M C U Micro Control Unit M C U For INDOOR UNIT 4 way valve P M V Inverter DC AC Gate drive circuit Gate drive circuit Inverter DC AC Freeze prevention heater Outdoor Fan motor Compressor MCC5070 P C B OUTDOOR UNIT Current detect Current detect Converter AC DC Clock frequency 7MHz ND model only PWM synthesis function Input current release contr...

Page 31: ...er judges the operation commands from the remote controller and assumes the following functions Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger temperature by using heat exchanger sensor TC sensor Prevent freezing control and super heat control etc Judgment of inlet indoor heat exchanger temperature by...

Page 32: ...rotective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to the operation command signal Whether protective circuit operates When no signal is received from the outdoor unit controller it is as...

Page 33: ... timer setup OFF timer setup High power 8 C heat operation ND model only Selection of operation conditions Remote controller Indoor unit ON OFF Signal receiving Indoor unit control Operation command Serial signal send receive Indoor unit control Command signal generating function of indoor unit operation Calculating function temperature calculation Activation compensation function of indoor fan Co...

Page 34: ... temperature turn off the compressor 4 The time correction is performed every 8 minutes 8 3 Indoor Fan Motor Control 8 3 1 In Cooling Operation This operation controls the fan speed at indoor unit side The indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respectively Table 1 2 5 TA Tsc C 2 0 1 5 1 0 0...

Page 35: ...d level RAS 07PKVP E RAS 07PKVP ND RAS 10PKVP E RAS 10PKVP ND RAS 13PKVP E RAS 13PKVP ND Fan speed rpm Air flow rate m3 h Fan speed rpm Air flow rate m3 h Fan speed rpm Air flow rate m3 h WF 1170 645 1200 665 1300 740 WE UH 1170 645 1200 665 1300 740 WD H 1120 610 1140 625 1240 695 WC M 1060 570 1080 580 1180 655 WB 1050 560 1080 580 1110 605 WA M 900 455 930 475 960 495 W9 900 455 930 475 960 495...

Page 36: ...tation while fan speed MANUAL mode is in stability A When Tsc 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value Cold draft preventive control Basic fan control Fan speed TA Tsc C b 0 5 c 1 0 d 1 5 e 2 0 f 2 5 g 5 0 5 5 L W9 M WD 1 2 3 H WE 1 Fan speed M L x1 5 L 2 Fan speed M L x2 5 L 3 Fan speed M L x3 5 L 4 Fan speed M L x4 5 L Calculated with linear approximation from M and L 5 Fan speed H M x1...

Page 37: ...ditioner ON Remote controller YES YES NO NO Indoor unit controller Fan motor ON 3 Fan lock OFF status of fan motor continues 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display In Cooling Operation Compressor speed rps TO 38 C TO During SLEEP MODE When TO is abnormal 22 CF CF MIN MAX MIN MAX MIN MAX f5 f9 fF fC fF f3 f...

Page 38: ...is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on the motor winding with operation of the compressor 4 According to the difference resulted from comparison of the correction value of Hz signal with the present operation Hz the inverter output and the commutation timing are varied 5 Change the compressor motor speed by outputting power to t...

Page 39: ...ressor speed so that temperature of the heat exchanger does not exceed the specified value 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone 3 When temperature of the indoor heat exchanger rises to 7 C or higher the capaci...

Page 40: ...d with 4 way valve reverse defrost system The minimum value of TE sensor 10 to 15 minutes after start of operation is stored in memory as TE0 Table 8 8 1 The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B C or D zone each Table 8 8 1 8 8 1 Defrost Operation Defrost operation in A to D zo...

Page 41: ...on 1 When the indoor humidity is high Hu sensor valve 70 the compressor speed is 23 rps or more and the position of the louver is less than 29 the louver moves to 29 to prevent the air outlet from dew drop And the louver can t be move to less than 29 When the indoor humidity become low or the compressor speed become less than 23 rps the louver returns to the storage position Louver position in hea...

Page 42: ...the compressor speed This function operates the air conditioner with the difference between the set and the room temperature as shown in the above figure The time correction is performed for 8 minutes each 1 The indoor fan speed is controlled between W6 and W3 The compressor speed in control as shown in the above figure 2 The set temperature increased 0 5 C per hour up to 2 C starting from the set...

Page 43: ...n keeping RESET button pushed for 10 seconds or more the temporary COOL operation is performed 1 When pushing RESET button the temporary AUTO operation starts 2 When keeping RESET button pushed for 3 seconds or more beep beep beep sound is heard and AUTO RESTART control is switched 3 When keeping RESET button pushed for 10 seconds or more beep sound is heard and the temporary COOL operation starts...

Page 44: ...tc 2 When an abnormal discharge caused by a symptom such as the build up of dirt has been detected while the air purifier is ON NOTE The above case 1 or 2 is deemed to have occurred when the action concerned continues for more than one second Operation button PURE button Air conditioner Present status Stop Air purifier only Air conditioner Joint use of AC and air purifier Air purifier AC operation...

Page 45: ...he indoor fan exceeds 1 hour after operation start It is the safety measures considering an incomplete drain when electric dust collector has been cleaned with water 8 13 Discharge Temperature Control 8 13 1 Purpose This function detects error on the refrigerating cycle or error on the compressor and performs protective control 8 13 2 Operation Control of the compressor speed The speed control is ...

Page 46: ...is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the inside of the air conditioner clean When the cooling or dry operation shuts down the unit automatically starts the clean operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the clean operation stops The clean ...

Page 47: ... care to avoid solder bridging with the surrounding components 8 15 4 Setting the Clean Operation Indoor P C Board Operation mode Operation time Clean operation time Cooling AUTO Cooling Dry Heating AUTO Heating AUTO Fan only Shutdown No clean operation performed 10 minutes or longer 4 hours No clean operation performed 0 minutes Up to 10 minutes Add J231 of the Wireless Unit P C board assembly Th...

Page 48: ...re should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller 3 Insert the batteries B appears in the remote controller display NOTE Even after the jumper wire has been cut switching between A and B is still possible by pushing the CHECK button and FIX button together The A or B setting which...

Page 49: ...installation condition etc the set temp is corrected HEAT operation only 8 17 2 Description The set temp received from the remote controller is corrected The correct value from 2 C to 4 C is changed by the jumper wire on P C board of the indoor microcomputer Indoor Control P C Board Factory Default In HEAT Operation In 8 C HEAT Operation ND model only L01 DB01 C03 T101 IC801 J804 J805 J806 J807 Ju...

Page 50: ...operation stop In case of HEAT operation the operation shifts to 8 C HEAT operation as it is If the timer operation has been set up before 8 C HEAT operation the setup is released when 8 C HEAT operation starts When 8 C button is pushed again during 8 C HEAT operation the status returns to that before 8 C HEAT operation When the operation shifts from 8 C HEAT operation to the normal HEAT operation...

Page 51: ...button During stop During operation Push 8 C button Push 8 C button Push button Operation stop Operation stop Do you stop 8 C HEAT operation Do you stop 8 C HEAT operation Push 8 C button Push 8 C button YES YES NO NO Push 8 C button Fan speed AUTO Fan speed setup AUTO TC 42 C MANUAL Min air flow rate control Basic fan control Indication Fan speed W8 L M 2 WB M H 2 WE L L M M H Fan speed TC 40 a 1...

Page 52: ... restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 8 21 1 Setting the Auto Restart Function To set the auto restart function proceed as follows 1 The power supply to the unit must be on the function will not set if the power is off 2 Push the RESET button located in the centre of the front panel continuously for three seconds 3 The ...

Page 53: ...n it off When the unit is operating 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 21 3 Power Failure During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is cancelled In that case set the timer operation again NOTE The Everyday Timer is reset while a command ...

Page 54: ...p the time press of the ON button To move down the time press of the ON button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time press of the OFF button To move down the time press of the OFF button 10 Reserve button SET Press this button to store the time settings A receiving beep is heard 11 Cancel button CLR Press this button to cancel the ON timer and OFF...

Page 55: ...Hi POWER button to start and press it again to stop operation 8 MEMORY indicator Flashes for 3 seconds when the MEMO button is pressed during operation The mark is shown when holding down the button for 3 seconds or more while the mark is flashing Press another button to turn off the mark 9 SLEEP MODE indicator Indicates when the SLEEP MODE is activated Press the SLEEP MODE button to start and pre...

Page 56: ... operation mode selected In the Cooling operation the preset temperature drops by 1 C In the Heating operation the preset temperature increases by 2 C 8 23 2 In Cooling Operation Manual The preset temperature drops by 1 C The value of the preset temperature on the remote controller does not change 8 23 3 In Heating operation Manual The preset temperature increases by 2 C The value of the preset te...

Page 57: ...ft rear left rear right right bottom right or bottom left as shown below Extension drain hose 8 mm thick heat resisting polyethylene foam 80 mm or more only when unobstructed to the front and both sides 4 Remote controller holder 6 Remote controller holder mounting screw For the rear left and left piping Wall Do not allow the drain hose to become slack Cut the piping hole slightly sloped With the ...

Page 58: ... strong wind Use dia 8 mm or dia 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple to the base plate of the outdoor unit before installing it Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty 1 4 7 2 5 8 3 6 Parts marked with asterisk are packaged with the outdoor unit Others Name This model is not equipped with an extension drain hose...

Page 59: ...r refrigerant from being charged the port diameters have been changed Charge hose In order to increase pressure resisting strength hose materials and port sizes have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging As working pressure is high and gasification speed is fast it is difficult to read ...

Page 60: ...tallation plate 3 Drill the pipe holes Dia 65 mm or Dia 80 mm slightly slanted downward to the outside NOTE When drilling into a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately The unit is designed to enable installation using holes of 65 mm in diameter However if installation is difficult make holes that are 80 mm in diameter CAUTION C...

Page 61: ...nel until it is horizontal 2 Remove the terminal cover and cord clamp 3 Insert the connecting cable or as according to local regulations codes into the pipe hole on the wall 4 Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm out of the front 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws Make a loop w...

Page 62: ...rew securing the drain hose then pull out the drain hose 4 Attach the drain cap Insert hexagonal wrench 4 mm 5 Firmly insert drain cap 6 Attach the drain hose Insert the drain hose firmly until the connector contacts the insulation then secure it in place using the original screw NOTE Always use the original screw that secured the drain hose to the unit Using a different screw may cause water to l...

Page 63: ...efully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since condensation can result in machine performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to...

Page 64: ...sion drain hose with shield pipe CAUTION Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room This air conditioner has been designed to drain water collected from condensation which forms on the back of the indoor unit to the drain pan Therefore do not locate the power cord and other parts at a height above the drain guide Push Push Press unhook...

Page 65: ...holding frame and attach a snow protection hood and plate Do not use a double stacked design CAUTION Install the outdoor unit in a location where there are no obstructions near its air intake or air outlet When the outdoor unit is installed in a place that is always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shi...

Page 66: ...of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that of R22 to adjust the specified flare size The copper pipe gauge is useful for adjusting projection margin size Tighten the connection Align the centres of the connecting pipes and tighten the flare nut as much as possible with your fingers Then tighten the nut with a wrench and torque wrench as shown in ...

Page 67: ...e to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 litres per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve hand...

Page 68: ...rd clamp 6 Attach the electric parts cover and the valve cover on the outdoor unit Stripping length of connecting cable Gas side Dia 12 7 mm 33 to 42 N m 3 3 to 4 2 kgf m Gas side Dia 9 52 mm 33 to 42 N m 3 3 to 4 2 kgf m Liquid side Dia 6 35 mm 14 to 18 N m 1 4 to 1 8 kgf m Service port 14 to 18 N m 1 4 to 1 8 kgf m 4 mm Model RAS 07PKVP E RAS 07PKVP ND RAS 10PKVP E RAS 10PKVP ND RAS 13PKVP E RAS...

Page 69: ...soapy water 9 5 2 Test Operation To test the system press and hold RESET button for 10 sec There will be one short beep 9 5 3 Setting the Auto Restart This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure NOTE The product was shipped with Auto Restart function in the OFF position Turn it ON as required 1 Press and...

Page 70: ...t in step 1 to stop the air conditioner This operation will change the setting to B 3 Check that the remote controller operates the indoor unit 9 6 Removing the Main Parts Normally the front panel moving panel and air flow louvres do not need to be removed However use the procedure below if removal of these parts is necessary CAUTION Before removing the front panel moving panel or air flow louvres...

Page 71: ... the panel support to its original position and press the left side arm inwards with your finger 5 Pull out the moving panel towards the left side to remove 9 6 3 Attaching the Moving Panel 1 Grasp both sides of the moving panel and insert the right side joint first 2 Insert the left side joint raise the panel stopper upwards and secure with the screw 3 Insert the top edge of the lead wire cover i...

Page 72: ... Louvres 1 Attach the vertical air flow louvres by inserting the connector joints in the order of left right and centre 2 Secure the horizontal air flow louvres to the connector joints 3 After pressing in the connector joints align the positions of the connector joints and connectors 4 Press the louver fixture downwards to lock it into place 5 After attaching move the louver fixture from side to s...

Page 73: ...0 1 2 PAVP E PAVP ND series uninsulated type No Troubleshooting Procedure Page No Troubleshooting Procedure Page 1 Precautions When Handling the New Inverter 73 7 Judgment of Trouble by Symptom 80 2 Precautions When Inspecting the Control Section of the Outdoor Unit 74 8 Check Code 1C Miswiring in Indoor Outdoor Units and 1E 85 3 First Confirmation 75 9 Inspection of the Air Purifier 86 4 Primary ...

Page 74: ...ts and result in damage to the components Fig 10 1 3 10 2 Precautions When Inspecting the Control Section of the Outdoor Unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touching the char...

Page 75: ...mp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure 2 Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on beca...

Page 76: ...he block of item B The check codes can be confirmed on the remote controller for servicing Item Check code Block display Description for self diagnosis A OPERATION Green Flashing display 1 Hz Power failure when power is ON B OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board C OPERATION Green TIMER Orange Flashing display 5 Hz Protective circuit operation for c...

Page 77: ... display of the remote controller 2 Push ON or OFF button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 10 6 1 Push ON or OFF button to change the check code backward If there...

Page 78: ...n error is detected 1 Check the motor 2 When the motor is normal check P C board Not displayed Trouble on other indoor P C boards Operation continues Displayed when error is detected 1 Replace P C board Connecting cable and serial signal Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compressor thermo Gas shortage Gas le...

Page 79: ...ut it is not sent from halfway 1 Compressor thermo operation Gas shortage Gas leak 2 Instantaneous power failure Operation continues Flashes when trouble is detected on return serial signal and normal status when signal is reset 1 Repeat Start and Stop with interval of approx 10 to 40 minutes Code is not displayed during operation Supply gas Check also gas leak 2 Unit operates normally during chec...

Page 80: ...utton on remote controller Is voltage DC12V or 5V indicated on rear of indoor control board normal Does transmission mark on remote controller flash normally and is its signal transmitted properly Is DC310 340V supplied between CN301 1 3 Does fan motor connector between CN301 1 3 short circuit Item by symptoms Operation Check Item Considerable principle cause Measures Parts R01 R02 DB01 C01 C03 IC...

Page 81: ...s it possible to detect DC 1V or more between 5 and 3 of motor connector CN301 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 CN301 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 ...

Page 82: ...2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN301 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board Measure voltage between 3 GND Black and 5 V line Yellow of motor connector ...

Page 83: ... any thyristor fluorescent light nearby Keep indoor unit away from thyristor fluorescent light Does indoor unit operate when moving remote controller near receiver or indoor unit 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 batteri...

Page 84: ...door unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit 2 If the unit stops once it does not operate until the power will be turned on again 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Red White Terminal block S5277G T...

Page 85: ... from the service port Valve drive check Check the operating pressure from service port and add gas if pressure is low Is connecter of coil connected to inverter Is coil of the pulse motor valve P M V correctly set Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch Ø6 35mm valve side the valve is clogged Are temp sensors of indoor outdoor units correctly set t...

Page 86: ...LTER indicator Orange go on Is DC12V applied between 1 Brown DC 12V and Red GND of CN402 of the high voltage generator Is DC12V applied between 1 and 2 of CN402 fo the main P C board MCC5068 Micro switch is stuck Micro switch malfunction To item Power supply is not turned on Replace the main P C board MCC5068 Replace micro switch Does the PURE indicator go off within 2 seconds after it was ON and ...

Page 87: ...city Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Check After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electrolytic capacitor by soldering iron Check voltage between motor phases Stop Check Measurement Is not winding between 1 2 2 3 or 1 3 opened or short circuited Resistance between phases should b...

Page 88: ...Ω 1 37Ω Check by a digital tester Winding is not opened Operation Remove connector CN300 of the outdoor fan motor turn on the power supply breaker and perform the operation Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped Diagnosis Process flowchart Item Contents Summary NG OK B A Replace control board assembly Replace control board Replace c...

Page 89: ...d it is not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CN301 AC 220 240V 2 Between and of C03 DC 310 340V 3 Between of IC122 and output side of IC122 DC 15V 4 Between 12V and GND 5 Between 5V and GND 1 The terminal block or the crossover cable is connected wrongly 2 The capacitor C01 line filter L01 resistor R02 or the diode DB01 ...

Page 90: ...e unit the following condition Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 1 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals 2 The motor does not operate or the fan motor does not rotate with high speed But it is possible to receive the signal from the remote controller 3 The motor rotates but v...

Page 91: ...in by Turning on Power Supply in 10 7 No Part name Checking procedure 1 Compressor Model DA111A1FD 21F Measure the resistance value of each winding by using the tester 2 Outdoor fan motor Model ICF 140 43 4R Measure the resistance value of winding by using the tester 3 4 way valve coil Cooling heating switching Model VHV 01AZ535A1 Measure the resistance value of winding by using the tester Tempera...

Page 92: ...t blow off 6 Check that the normal charging characteristics are shown in continuity test by the tester 2 Diode block DB01 DB02 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in place 4 Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification...

Page 93: ...r Position detect circuit failure inside of the outdoor fan motor Motor drive circuit failure of the outdoor P C board Diagnosis flow chart NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor If the resistance value between 1 Red lead ...

Page 94: ...run and check for smoke unusual sound and other abnormalities Failure to do so may cause fire or electric shock Make sure that the cabinet is attached before starting test run Perform the following when repairing the refrigeration cycle Watch out for fire in the surrounding area If a gas stove or other appliance is being used extinguish the flames before starting work If the flames are not extingu...

Page 95: ...re lift the bottom of the lead wire cover to detach it 5 Disconnect the connectors below Louver motor connector 24P for louver Fan motor connector 5P Louver motor connector 5P for movable panel Minus ion charger connector 4P 6 Remove the motor base assembly by releasing the claw 7 Remove the earth screw TC sensor and TCj sensor CAUTION When attaching the electric parts assembly Insert the projecti...

Page 96: ...ixture on the right and left ends of the vertical air flow louver and turn in the counter clockwise direction to remove 4 After pressing in the right and left connector joints remove the vertical air flow louvres Remove the centre joint and bend the louver downward Remove the right side joint first and then remove the left side joint Electric parts cover detached Electric parts cover Screw Claw 2 ...

Page 97: ...ith the end plate hook and then secure the heat exchanger with screws 11 1 7 Fan Motor 1 Perform all the steps in 11 1 1 Removing the Front Panel and Moving Panel and 11 1 3 Electric Parts Cover Detached 2 Loosen the hexagon socket set screw of the cross flow fan from the air outlet 3 Remove the two fixing screws of the motor band right 4 Pull the motor band right and the fan motor out of the unit...

Page 98: ...ng table Screws 12 mm Bearing base Screws 10 mm Heat exchanger A B 1 Keep 27mm distance between the support shaft at the rear centre of the unit and the immediate right joint section of the cross flow fan 2 Check that the fan motor shaft end projects by 9 mm above the screw boss of the cross flow fan If the motor shaft end is below the screw boss the cross flow fan may have been assembled improper...

Page 99: ...earth lead black 4 While pressing down the hook at the upper part of the high voltage power supply unit detach the upper part of the power supply unit 5 Lift the high voltage power supply unit and pull the projection at the bottom of the high voltage power supply unit out of the fixing frame CAUTION Carry out this work taking care of the end of the sheet metal on the back of the discharger unit 6 ...

Page 100: ...th the outdoor unit REQUIREMENT The water proof cover must be attached without fail to prevent rain water or other foreign matters from entering inside the outdoor unit 4 Attach the fin guard by inserting its bottom while nipping the bottom plate edge When attaching the fin guard match it with the embossment on the bottom plate 5 Attach the upper cabinet ST1TØ4 8L 5 pcs Attach the upper cabinet wh...

Page 101: ... 3 1 Common Procedure 2 Remove the screws ST1TØ4 8L 2 pcs fixing the front cabinet and the inverter cover NOTE Detach the inverter cover in this state which enables you to check the control P C board If there is not enough space above the upper cabinet perform step 11 3 2 Front Cabinet CAUTION Be very careful when checking the control P C board because high voltage circuit is mounted on it 3 Disch...

Page 102: ...the partition board as shown in Photo 1 arrow A 2 Release the lock of the triangle hook arrow B with a flat blade screwdriver or the like and slide down the wiring cover as shown in Photo 2 NOTE The wiring cover is fixed to the side of the inverter box with rivets and it can slide along the long side of the inverter box 3 Cut the cable tie arrow C clamping the compressor leads to the inverter box ...

Page 103: ...ected to terminal Disconnect the 3P connector black white orange Leads connected to compressor Disconnect the 3P connector Leads connected to reactor Disconnect the two 2P connectors Earth lead black Remove the screw Insert the heat insulator into the gap of the partition board Partition board Insert the bent portion at the lower part of the inverter box into the gap of the partition board Link up...

Page 104: ... board is replaced and accommodated in the inverter box securely clamp the portions that were clamped before replacement with cable ties to prevent wires from touching hot areas or metal edges 11 3 5 Side Cabinet Side cabinet right 1 Perform the step of detachment in 11 3 2 Front Cabinet and all the steps in 11 3 3 Control Board Assembly 2 Remove the screws ST1TØ4 8L 5 pcs fixing the bottom plate ...

Page 105: ...otor tighten the flange nut to a tightening torque of 4 9N m 50kgf cm 11 3 7 Reactor 1 Perform the step of detachment in 11 3 2 Front Cabinet and all the steps in 11 3 3 Control Board Assembly 2 Remove the screw ST1TØ4 8L 4 pcs fixing the reactor REQUIREMENT After replacement connect the lead wire connector and check whether the connector is coupled incompletely 11 3 8 Compressor Assembly 1 Perfor...

Page 106: ...lead wire burned Be careful not to forget to install any sensor When replacing the compressor assembly replace it together with the 4 way valve assembly shown in Fig A Failure to do so may result in a failure 11 3 9 Heater for Antifreeze Detachment 1 Perform steps in 11 3 8 Compressor Assembly except for step 6 2 Remove the cord retainer ST1TØ4 10L 1pc 3 Remove the 12 cord clamps fixing the heater...

Page 107: ...tachment 1 Match the coil lead wire lead out portion with the coin insertion position of the pulse motor valve body and attach the valve coil 2 Turn the coil 90 degrees and fix it while matching the projection at the bottom of the coil with the positioning hole in the pulse motor valve body 11 3 12 4 way Valve Coil Attachment 1 When connecting wires to the 4 way valve coils be careful of lead colo...

Page 108: ... pipe with the lead wires pointing upward and the sensor facing the front of the cabinet 11 3 16 TO Sensor Outside Air Temperature Sensor Attachment 1 Install the TO sensor at the upper part of the heat exchanger with the left edge aligned with the heat exchanger edge panel CAUTION During and at the end of the installation work take care not to damage the coverings of the sensor leads on the edges...

Page 109: ...2C076 MOTOR LOUVER FOR PANEL 234 43082296 PLATE INSTALLATION 210 4302D003 MOTOR LOUVER FOR LOUVER 237 43083071 HOLDER REMOTE CONTROLLER 211 4306A172 CORD MOTOR L0UVER 238 43003323 BODY ASSY BACK 212 4301V103 COVER ASSY MOTOR 239 43070199 HOSE DRAIN 213 43022458 BASE BEARING ASSY 240 43079239 CAP DRAIN 214 43020372 FAN ASSY CROSS FL0W 243 43066024 REMOTE CONTROLLER WIRELESS 215 43039376 BAND MOTOR ...

Page 110: ...1 4306A132 TERMINAL BLOCK 3P 409 4306V130 PC BOARD ASSY 16PKVP E 402 43050425 SENSOR ASSY SERVICE 410 4306V131 PC BOARD ASSY 18PKVP E 403 43050426 SENSOR SERVICE 411 4306V132 PC BOARD ASSY 07PKVP ND 404 4306V137 PC BOARD ASSY WRS LED 412 4306V133 PC BOARD ASSY 10PKVP ND 405 43051349 SWITCH ASSY MICRO 413 4306V134 PC BOARD ASSY 13PKVP ND 406 4306V127 PC BOARD ASSY 07PKVP E 414 4306V135 PC BOARD ASS...

Page 111: ... E RAS 16PAVP E RAS 18PAVP E RAS 07PAVP ND RAS 10PAVP ND RAS 13PAVP ND RAS 16PAVP ND RAS 18PAVP ND 01 06 05 34 35 13 02 07 03 39 10 33 36 08 09 40 41 42 43 50 04 12 45 FLAG SLEEVE 15 18 21 24 26 16 19 22 25 26 51 48 29 30 31 28 27 37 49 32 14 17 20 23 38 44 11 47 46 O D 9 52mm O D 12 7mm O D 6 35mm ...

Page 112: ...6467 COIL PMV 10 4301V096 COVER VALVE PACKD ASSY 32 43058270 REACTOR 11 43041643 COMPRESSOR DA111A1FD 21F 33 4302C068 MOTOR FAN ICF 140 43 4R 12 43043803 CONDENSER ASSY 07 10PAVP E ND 34 43020329 FAN PROPELLER PJ421 13 43043796 CONDENSER ASSY 35 43047669 NUT FLANGE 13 16 18PAVP E ND 36 43039394 BASE MOTOR 14 37546845 VALVE PACKED 6 35 37 43004242 PLATE PARTITION 15 43046442 VALVE PACKED 9 52DIA 38...

Page 113: ...K 6P 20A 07PAVP ND 707 43160571 FUSE HOLDER 15A 250V 716 4306V150 PC BOARD ASSY MCC5070 708 4306A156 FUSE ET 3 15A AC250V ND 10PAVP ND 709 43160590 FUSE 6 3A AC250V 717 4306V151 PC BOARD ASSY MCC5070 710 4306V144 PC BOARD ASSY MCC5070 13PAVP ND 07PAVP E 718 4306V152 PC BOARD ASSY MCC5070 711 4306V145 PC BOARD ASSY MCC5070 16PAVP ND 10PAVP E 719 4306V153 PC BOARD ASSY MCC5070 712 4306V146 PC BOARD ...

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Toshiba RAS-18PAVP-E, Service Manual

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