Toshiba RAS-B10EKVP-E Page 121 Service Manual Download

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Outdoor unit
Sub PCB (MCC-5009)

Summary of Contents for RAS-B10EKVP-E

Page 1: ...UAL AIR CONDITIONER SPLITTYPE RAS B10EKVP E RAS B13EKVP E RAS M14EAV E RAS M10EKCVP E RAS M13EKCVP E RAS M14EACV E RAS B10EKVP E RAS B13EKVP E RAS B16EKVP E RAS M18EAV E RAS M10EKCVP E RAS M13EKCVP E RAS M16EKCVP E RAS M18EACV E ...

Page 2: ... WIRING DIAGRAM 22 6 SPECIFICATIONS OF ELECTRICAL PARTS 24 7 REFRIGERANT CYCLE DIAGRAM 26 8 CONTROL BLOCK DIAGRAM 31 9 OPERATION DESCRIPTION 34 10 INSTALLATION PROCEDURE 60 11 HOW TO DIAGNOSE THE TROUBLE 78 12 HOW TO REPLACE THE MAIN PARTS 101 13 EXPLODED VIEWS AND PARTS LIST 122 14 APPENDIX Appendix 1 ...

Page 3: ...is appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3 mm The installation fuse 25A D type must be used for the power supply line of this air conditioner DANGER Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Inappropriate servicing may result in water leakage electric ...

Page 4: ...nual Make sure the air conditioner uses an exclusive circuit An insufficient circuit capacity or inappropriate installation may cause fire When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Be sure to provide grounding Do not connect ground wires to gas pipes water pipes lightning rods or ground wires...

Page 5: ...RAS M14EAV E 10 10 10 13 RAS M18EAV E 10 10 10 13 10 16 13 13 Cooling only RAS M14EACV E 10 10 10 13 RAS M18EACV E 10 10 10 13 10 16 13 13 NOTES A 1 room connection is not an option for the indoor units you cannot connect only one indoor unit A 2 room connection must always be used for the indoor units you must connect two indoor units With the RAS M14EAV E and RAS M14EACV E outdoor unit models th...

Page 6: ...Type Twin rotary type with DC inverter variable speed control Model DA111A1F 20F1 DA130A1F 25F Fan motor output W 43 43 Air flow rate m3 h 1820 2100 Type Flare connection Flare connection Piping connec tion Indoor unit Unit model RAS B10EKVP E RAS B13EKVP E RAS B16EKVP E 1 Liquid side 6 35 6 35 6 35 Gas side 9 52 9 52 12 7 Outdoor unit Unit model RAS M14EAV E RAS M18EAV E Liquid side gas side 6 35...

Page 7: ...l Model DA111A1F 20F1 DA130A1F 25F Fan motor output W 43 43 Air flow rate m3 h 1820 2100 Type Flare connection Flare connection Piping connec tion Indoor unit Unit model RAS M10EKCVP E RAS M13EKCVP E RAS M16EKCVP E 1 Liquid side 6 35 6 35 6 35 Gas side 9 52 9 52 12 7 Outdoor unit Unit model RAS M14EACV E RAS M18EACV E Liquid side gas side 6 35 9 52 6 35 9 52 Maximum length per unit m 20 20 Maximum...

Page 8: ...1300 Heating RAS M14EAV E Operation Mode Volts Operation Status Operating indoor unit Unit capacity kW Capacity kW Running current Power Consumption V A B A B kW A W Heating 220 1 unit 10 3 2 3 2 0 5 to 4 4 4 07 0 84 to 6 00 850 130 to 1280 13 4 2 4 2 0 5 to 4 7 5 86 0 84 to 6 33 1250 130 to 1350 2 units 10 10 2 15 2 15 4 3 0 9 to 5 1 4 59 1 10 to 5 76 980 170 to 1230 13 10 2 50 1 90 4 4 0 9 to 5 ...

Page 9: ...o 9 23 1600 260 to 2170 Heating RAS M18EAV E Operation mode Volts Operation Status Operating indoor unit Unit capacity kW Capacity kW Running current Power Consumption V A B A B kW A W Heating 220 1 unit 10 4 0 4 0 0 7 to 5 2 5 57 1 10 to 7 88 1200 170 to 1700 13 5 0 5 0 0 7 to 6 5 8 35 1 10 to 11 73 1800 170 to 2530 16 5 5 5 5 0 7 to 6 9 8 81 1 10 to 11 73 1900 170 to 2530 2 units 10 10 3 25 3 25...

Page 10: ...0 50 60 70 80 90 Conditions Indoor DB 27 C WB 19 C Outdoor DB 35 C Air flow High Pipe length 7 5m x 2 2 units operating 230V 7 8 6 5 4 3 2 1 0 Current A Compressor speed rps 0 10 20 30 40 50 60 70 80 90 Conditions Indoor DB 20 C Outdoor DB 7 C WB 6 C Air flow High Pipe length 7 5m x 2 2 units operating 230V 90 100 95 105 85 80 75 70 65 60 55 50 32 33 35 34 37 36 38 39 40 41 42 43 Capacity ratio Co...

Page 11: ...40 50 60 70 80 90 Conditions Indoor DB 27 C WB 19 C Outdoor DB 35 C Air flow High Pipe length 7 5m x 2 2 units operating 230V 90 100 95 105 85 80 75 70 65 60 55 50 32 33 35 34 37 36 38 39 40 41 42 43 Capacity ratio Conditions Indoor DB 27 C WB 19 C Indoor air flow High Pipe length 7 5m x 2 2 units operating 11 10 12 8 9 5 6 7 4 3 2 1 0 Current A Compressor speed rps 0 20 40 60 80 100 120 140 Condi...

Page 12: ... pressure in the refrig eration 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...

Page 13: ...re that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air condi tioner 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 ...

Page 14: ...ss 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 3 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 ...

Page 15: ...by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Fig 3 2 2 Relations between flare nut and flare seal surface Table 3 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...

Page 16: ...re 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 tool Copper pipe gauge for adjusting projection margin Torque w...

Page 17: ...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...

Page 18: ...loy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive 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...

Page 19: ...ctive 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 N...

Page 20: ...Parts name of remote control WH H03JE Heat pump model WC H03JE Cooling only model 4 CONSTRUCTION VIEWS 4 1 Indoor Unit RAS B10EKVP E RAS B13EKVP E RAS B16EKVP E RAS M10EKCVP E RAS M13EKCVP E RAS M16EKCVP E ...

Page 21: ... 21 4 2 Outdoor Unit RAS M14EAV E RAS M18EAV E Heat pump models RAS M14EACV E RAS M18EACV E Cooling only models ...

Page 22: ...L YEL YEL YEL FUSE F01 1 3 4 5 1 3 4 5 RED BLK WHI YEL 6 6 BLU DC5V DC12V DB01 CN21 CN23 CN34 CN22 AC 250V BLK WHI 2 1 3 1 3 RED GRN YEL T3 15A Heat exchanger Micro SW BRW BLU RED LINE FILTER TNR CN33 WHI BLK 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 RED BRW BRW BRW Ion electrode High voltage Power supply Air purifier Electrode 1 2 3 4 5 6 1 2 3 4 5 6 To outdoor unit Color Identification RED WHI BLK BLU BRW...

Page 23: ... 23 5 2 Outdoor Unit RAS M14EAV E RAS M18EAV E Heat pump models RAS M14EACV E RAS M18EACV E Cooling only models ...

Page 24: ...B10EKVP E RAS M16EKCVP E RAS M13EKCVP E RAS M10EKCVP E No 1 2 3 4 Parts name Fan motor for indoor Room temp sensor TA sensor Heat exchanger temp sensor TC sensor Louver motor Type MF 280 30 5 MP24GA Specifications DC280 340V 30W 10kΩ at 25 C 10kΩ at 25 C Output Rated 1W 16poles 1phase DC12V ...

Page 25: ...ed Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Forprotectionofswitchingpowersource F03 For protection of inverter input overcurrent For protection of power source LLQ2G761KHU GT20J321 DA130A1F 25F DA111A1F 20F1 US622KXTMQO D25 X B60 GT40Q321 or GT30J121 CH 57 CH 43 Z K Parts name SC coil Noise filter L03 SC coil Nois...

Page 26: ...necting port Capillary Ø2 2 x 200 Capillary Ø2 2 x 200 Pulse motor valve at liquid side CAM B22YGTF 2 Td TGa TGb 4 way valve STF 0108Z Compressor DA111A1F 20F1 TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 0 90kg OUTDOOR UNIT Muffler Muffler TE Strainer Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm Thickness 0 8mm Ta Per 1 unit Max 20m Total 30m Charge...

Page 27: ...lary Ø2 2 x 200 Pulse motor valve at liquid side CAM B22YGTF 2 Td Compressor DA111A1F 20F1 TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 0 90kg OUTDOOR UNIT Muffler Strainer Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm Thickness 0 8mm Ta Indoor fan TGa TGb Per 1 unit Max 20m Total 30m Chargeless 20m Charge 20g m 21 to 30m 1 1 The TC sensor is at the c...

Page 28: ...ry Ø2 2 x 200 Pulse motor valve at liquid side CAM B22YGTF 2 Td 4 way valve STF 0108Z Compressor DA130A1F 25F TS T2 Outdoor heat exchanger Temp measurement Propeller fan Refrigerant amount 1 20kg OUTDOOR UNIT Muffler Muffler TE Strainer Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm 10 13 12 7mm 16 Thickness 0 8mm Ta Indoor fan TGa TGb Per 1 unit Max 20m Total 30m Chargeless 20m Charge...

Page 29: ...taching port Vacuum pump connecting port Capillary Ø2 2 x 200 Capillary Ø2 2 x 200 Pulse motor valve at liquid side CAM B22YGTF 2 Td Compressor DA130A1F 25F TS T2 Outdoor heat exchanger Temp measurement Propeller fan OUTDOOR UNIT Muffler Strainer Ta Refrigerant amount 1 20kg Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm 10 13 12 7mm 16 Thickness 0 8mm Indoor fan TGa TGb 1 1 The TC sen...

Page 30: ...sure P Mpa Heat exchanger pipe temp In door fan Out door fan compressor revolution rps indoor outdoor A B T1 C T2 C 27 19 35 1 unit 10 0 9 to 1 1 11 to 13 41 to 43 High 700rpm 35 13 0 8 to 1 0 8 to 10 45 to 47 High 750rpm 58 16 0 8 to 1 0 7 to 9 47 to 49 High 750rpm 75 2 units 10 10 0 9 to 1 1 11 to 13 48 to 50 High 750rpm 71 13 10 0 9 to 1 1 11 to 13 48 to 50 High 750rpm 71 13 13 0 9 to 1 1 11 to...

Page 31: ...ircuit 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 Direction Setting Hi POWER SLEEP Operation Mode Selection AUTO COOL DRY HEAT REMOTE CONTROLLER ECO Air Purifier Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Sig...

Page 32: ...ircuit 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 Direction Setting Hi POWER SLEEP Operation Mode Selection AUTO COOL DRY REMOTE CONTROLLER ECO Air Purifier Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal R...

Page 33: ...UB P C B Current detect Current detect M C U Inverter output frequency control A D converter function P M V control Discharge temp control Error displey Signal communication to MCU M C U PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Signal communication to MCU Gas side pipe temp sensor unit B TGb Gas s...

Page 34: ...ration control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the out door unit performs its role Compressor operation control Operation control of outdoor fan motor P M V control 4 way valve control Operations followed to judgment of serial signal from indoor side Detection of inverter input current and current release operat...

Page 35: ...ol 46 1 Louver position 46 2 Air direction adjustment 46 3 Swing 46 10 ECO operation 47 11 Temporary operation 48 12 Air purifying control 49 Air purifying control Detection of abnormality 50 13 Discharge temperature control 50 14 Pulse Motor valve PMV control 51 15 Clean operation 52 16 Clean operation release 53 17 Select switch on remote controller 54 9 3 Auto Restart Function 55 1 How to Set t...

Page 36: ...vation Current release function GTr over current preventive function Defrost operation function Compressor Outdoor fan motor 4 way valve Pulse motor valve PMV Selection of operation conditions ON OFF Serial signal send receive Outdoor unit control Inverter Item 1 Basic operation Operation flow and applicable data etc 1 Operation control Receiving the user s operation condition setup the opera tion...

Page 37: ...tdoor unit operation 1 Indoor unit pressed Cooling dry Cooling dry Cooling Indoor unit pressed last Cooling dry Cooling dry 2 Indoor unit pressed Heating Heating Heating Indoor unit pressed last Heating Heating 3 Indoor unit pressed Fan solo air purification Fan solo air purification Stopped Indoor unit pressed last Fan solo air purification Fan solo air purification 4 Indoor unit pressed Fan solo...

Page 38: ...mode COOL HEAT reselect an operation mode 5 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons 1 Detects the room temperature Ta when the DRY operation started 2 Start...

Page 39: ...n of the louver etc The described value indicates one under condition of inclining downward blowing 1 When setting the fan speed to L L M M or H on the remote controller the operation is performed with the constant speed shown in Fig 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according ...

Page 40: ...heating operation Heat pump model Description 1 When setting the fan speed to L L M M or H on the remote controller the operation is performed with the constant speed shown in Fig 3 and Table 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set temperature and room temperature 3 Min air ...

Page 41: ...n the speed of the outdoor fan shown in the table is selected 2 Fan speed 400 when the motor stopped Air conditioner 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 Cooling operation dry operation RAS...

Page 42: ...revolutions shown in the left tables according to the outdoor heatexchanger sensor TE sensor temperature Zone A Zone B Zone C Zone D Zone E TE 24 C 21 C 18 C 15 C RAS M14EAV E Compressor revolution rps 20 60 60 Normal operation Fan revolution MIN MAX MIN MAX MIN MAX To 10 C 250 400 250 600 250 700 5 5 To 10 250 400 250 700 250 750 5 To 5 5 250 600 250 750 250 800 To 5 250 600 250 750 250 800 econo...

Page 43: ...not is judged 4 If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range which does not exceed the specified value 5 Current release control Outdoor temp To Setup of current release point Capacity control continues Outdoor temp 40 C 7 5A 12 0A 10 1A 10 3A 10 5A 16 C 39 C 11 C...

Page 44: ...ompressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 46 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 50 C or when it drops below to 46 C the capacity control operation r...

Page 45: ...conds 2 Invert ON 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 Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of...

Page 46: ...s swing ing 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 Hi Power 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 of C...

Page 47: ...rn off the compressor Heating operation 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max αHz the temperature zone in which the operation can be performed with Max 16Hz 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 clos...

Page 48: ... RESTART control YES YES NO NO NO YES Temporary AUTO operation Temporary COOL Operation 11 Temporary operation 1 When pushing RESET button the temporary AUTO operation starts 2 When keeping RESET button pushed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pushed for 10 seconds or more Pi sound is heard and the temporary COOL operation...

Page 49: ...ier operates Air conditioner Air purifier operate This function generates nagative ion while cleaning the air in the room If air purifier ON signal is received while the air condi tioner stops the air purifier starts operation and if it is received while the air conditioner operates the air conditioner and the air purifier start operation The air ion generator operates linked with the air purifyin...

Page 50: ... detection Approx 10 minutes passed Error input Purifier power ON 1 minute or less FILTER incicator OFF continues FILTER indicator ON Purifier power OFF 1 2 3 Error input 12 Air purifying control Detection of abnor mality 1 Purpose The air purifying control function is to alert the user to trouble in the ionizing or air purifying operation 2 Description Trouble is determined to have occurred indic...

Page 51: ... open degree of valve by super heat amount SH control 3 If the discharge temperature was excessively up adjust the open degree of valve so that it is in the range of set temperature Discharge temp control 4 When defrost operation is per formed the open degree of valve is adjusted according to each setup conditions during preparation for defrost and during defrost opera tion 4 way valve is inversed...

Page 52: ...d of the clean operation is determined by the duration of the operation performed prior to the reception of the stop code 3 After the clean operation has been performed for the specified period the unit stops operating During clean operations The louver opens slightly The indoor fan operates continuously at a speed of 260 rpm Clean operation times To stop an ongoing clean operation at any time Pre...

Page 53: ...an operation release setting J04 will be near the MUC so take steps to ensure that it will not be exposed to excessive levels of heat Also take care to avoid solder bridging with the surrounding components Setting the clean operation Cut J04 of the indoor P C board This step may be skipped if the auto restart function is not required Hold down the auto operation switch on the indoor unit for at le...

Page 54: ...ct 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 Even after the jumper wire has been cut switching between A and B is still possible by pressing the CHECK button and FIX button together The A or B setting which was switched by pressing the CHE...

Page 55: ...power supply to the unit must be on the function will not set if the power is off Push the RESET button located 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 ...

Page 56: ...operating The green indicator 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 9 4 FILTER Indicator When the elapsed time reaches 1000 hours after air purifier operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator 9 4 1 H...

Page 57: ...he ON button To move down the time press of the ON button i 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 j Reserve button SET Press this button to store the time settings A receiving beep is heard k Cancel button CLR Press this button to cancel the ON timer and OFF timer A receiving beep...

Page 58: ...eration or the clock time is indicated The current time is always indicated except during TIMER operation g Hi POWER indicator Indicates when Hi POWER operation starts Press the Hi POWER button to start and press it again to stop operation h MEMORY indicator Flashes for 3 seconds when the MEMO button is pressed during operation The mark is shown when holding down the button for more than 3 seconds...

Page 59: ...oling operation The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change If 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 pres...

Page 60: ... Insulate the refrigerant pipes separately not together With the remote control cover removed correctly load the supplied batteries while observing their polarity Cover Wireless remote control Batteries Wireless remote control Hook Installation plate Zeolite plus filter Plasma pure filter Shield pipe for extension drain hose Z Hook Bottom right Rear right Right Left Bottom left Rear left 47 mm or ...

Page 61: ...a Installation plate x 1 d Remote control holder x 1 g Mounting screw φ4 x 25L x 6 b Wireless remote control x 1 e Zeolite plus filter x 1 h Remote control holder mounting screw φ3 1 x16L x 2 c Battery x 2 f Plasma pure filter x 1 i Drain nipple x 1 j Water proof rubber cap x 2 Heat pump models only Heat pump models only Others Name This model is not equipped with an extension drain hose Option Ow...

Page 62: ...om 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 the indicated va...

Page 63: ...s is necessary to prevent image disturbance or noise interference The location of the remote control should be determined as shown below Drilling a hole When installing the refrigerant pipes from the rear 1 After determining the pipe hole position on the installation plate drill the pipe hole φ65 mm at a slight downward slant to the out door side NOTE When drilling into a wall that contains a meta...

Page 64: ...between 4 to 6 mounting screws being sure to secure all four corners 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare a power source for the exclusive use of the air conditioner NOTE Wire type More than H07RN F or 245IEC66 1 0 mm2 or more CAUTION When installing the installation plate with mounting screws do not use anchor bolt holes Otherwise the unit ma...

Page 65: ...r rear plate bushing and air inlet grille on the indoor unit CAUTION This appliance can be connected to a main circuit breaker in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be incorporate in the fixed wiring An approved circuit breaker or switch must used 2 Connection with ...

Page 66: ...he drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose How to attach the drain cap 1 Insert hexagonal wrench 4 mm 2 Firmly insert drain cap How to attach the drain hose Insert the drain hose firmly until the connector contacts the insulation then secure it in place using the original screw Piping and Drain Hose Installation Always use the...

Page 67: ...und them Outer diameter Bending radius 6 35 mm 30 mm 9 52 mm 40 mm 12 7 mm 50 mm CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit Carefully connect the auxiliary ...

Page 68: ...the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe 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 drai...

Page 69: ... M13EKCVP E RAS M16EKCVP E RAS M10UKCV E3 RAS M13UKCV E3 RAS M16UKCV E3 RAS M10YDCV E RAS M13YDCV E RAS M16YDCV E Type Outdoor unit Combinations of indoor unit models that can be connected Heat pump RAS M14EAV E 10 10 10 13 RAS M18EAV E 10 10 10 13 10 16 13 13 Cooling only RAS M14EACV E 10 10 10 13 RAS M18EACV E 10 10 10 13 10 16 13 13 NOTES A 1 room connection is not an option for the indoor unit...

Page 70: ... less If the outdoor unit is to be mounted on a wall make sure the platform supporting it is sturdy enough The platform should be designed and manufactured to maintain its strength over a long period of time and sufficient consideration should be given to ensuring that the outdoor unit will not fall When the outdoor unit is to be mounted high on a wall take particular care to ensure that parts do ...

Page 71: ...ater For the position where the drain nipple c is installed refer to the installation diagram of the indoor and outdoor units Check that the outdoor unit is horizontal and route the drain hose at a downward sloped angle while ensuring that it is connected tautly CAUTION 1 Install the outdoor unit without anything blocking the discharging air 2 When the outdoor unit is installed in a place always e...

Page 72: ...th a wrench and torque wrench as shown in the figure Unit N m Outer diameter of copper pipe R410A tool used Conventional tool used 6 35 0 to 0 5 1 0 to 1 5 9 52 0 to 0 5 1 0 to 1 5 12 7 0 to 0 5 1 0 to 1 5 Outer diameter of copper pipe R410A 6 35 1 5 to 2 0 9 52 1 5 to 2 0 12 7 2 0 to 2 5 Outer diameter of copper pipe B R410A R22 6 35 9 1 9 0 9 52 13 2 13 0 12 7 16 6 16 2 CAUTION Do not apply exce...

Page 73: ... 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 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the se...

Page 74: ...use rating 25A D type Power cord H07RN F or 245IEC66 1 5 mm2 or more Connecting cable H07RN F or 245IEC66 1 0 mm2 or more CAUTION Incorrect wiring connection may cause electrical parts to burn out Be sure to comply with local regulations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Every wire must be securely connected This installation fuse 25A D...

Page 75: ...cure the power cord Use the power cord cables with thickness type and protective devices specified in this manual Insulate the unused cords conductors with PVC tape 1 Turn on the electrical power breaker 2 Operate the indoor unit in cooling mode 3 Start checks Run the indoor unit in room A and confirm cool air blows out Confirm the indoor unit in room B is not running Also check at this time that ...

Page 76: ...and then set the selector switch to B After making the switch setting remount the front panel 2 Setting the remote control a Slide open the remote control cover and remove the batteries b Cut the jumper wire inside the battery compartment using nippers The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter t...

Page 77: ... motor rear short 14 Trouble on position detecting circuit 16 Trouble on current detecting circuit 17 CONDENSOR PIPE TEMP SENSOR TE fault 18 SUCTION PIPE TEMP SENSOR TS fault 18 DISCHARGE PIPE TEMP SENSOR TD fault 19 Trouble on outdoor fan 1A OUTDOOR TEMP SENSOR TO fault 1B Trouble on compressor system 1C GAS SIDE PIPE TEMP SENSOR a TGa fault 1C GAS SIDE PIPE TEMP SENSOR b TGb fault 1C TGa TGb sen...

Page 78: ... FET x 6 MCU Separate potential Photocoupler Photocoupler Compressor Compressor Fan motor Fan motor Hall device M18YAV E M18YACV E insulated type EAV E EACV E series uninsulated type Shared potential Driver Driver Amplifier Amplifier CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage cir cuits The sensor leads and other...

Page 79: ...citor completely by using soldering iron etc Discharging method 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100Ω40W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 760µF 400V on P C board and then perform discharging Fig 11 1 Precautions whe...

Page 80: ...minutes to 3 minutes respectively 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 control is consumed or not After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes The compressor motor speed may decrease by high temp release control ...

Page 81: ...ods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles For any trouble occured at the outdoor unit side detailed diagnosis is possible by 5 serial LED on the inverter P C board 11 3 Judgment by Flashing LED of Indoor...

Page 82: ...ler to the service mode is indicated on the display of the remote controller 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 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 4 1 Push ON or OFF button to ...

Page 83: ... 2 Check 25A fuse of inverter P C board 3 Check 3 15A of inverter P C board 2 To display Other block during operation check compressor thermo operation and supply gas check gas leak also 3 Unit operates normally during check If Return serial signal does not stop between indoor terminal board 2 and 3 replace inverter P C board If signal stops between indoor terminal board 2 and 3 replace indoor P C...

Page 84: ...tected Air conditioner status All off All off All off All off Operation continues All off All off Operation continues All off All off All off Judgment and action Even if trying operation again all operations stop immediately Replace P C board Check 5 serial LED 1 Check outdoor temp sensors TE TS 2 Check P C board 1 Check discharge temp sensor TD 2 Check P C board Position detect error over current...

Page 85: ...cuit defective Unit operates normally Replace main P C board Replace fan motor Is fuse F01 of indoor control board blown Microcomputer is defective NO NO NO NO NO NO YES YES YES YES YES YES YES YES YES NO NO To item of Power supply is not turned on Turn on power supply Does OPERATION indicator flash Is wired correctly to white and black lead wires of terminal block Correct wiring 11 5 Judgment of ...

Page 86: ...etect 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...

Page 87: ...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...

Page 88: ... 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 operation 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...

Page 89: ...rm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram 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 Inverter Assembly check 11 8 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while af...

Page 90: ... C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Pi sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of P M V and No of revolution of compressor Check condensation at outlet of P M V and then check operating pressure from the service port Are temp sensors of in...

Page 91: ...LED Red Contents Indoor alarm code LED indication D09 D10 D11 D12 D13 Normal running None IGBT short circuit Compressor motor rear short 14 Trouble on position detecting circuit 16 Trouble on current detecting circuit 17 CONDENSOR PIPE TEMP SENSOR TE fault 18 SUCTION PIPE TEMP SENSOR TS fault 18 DISCHARGE PIPE TEMP SENSOR TD fault 19 Trouble on outdoor fan 1A OUTDOOR TEMP SENSOR TO fault 1B Troubl...

Page 92: ... the high voltage generator Is DC12V applied between and of CN33 of the main P C board MCC5020 Micro switch is stuck Micro switch malfunction To item Power supply is not turned on Replace the main P C board MCC5020 Replace micro switch Push the switch ON Release the switch OFF Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on Are the electri...

Page 93: ...there conduction 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 PURE indicator Blue or the FILTER indicator Orange go on Is DC12V applied between Red DC12V and Brown GND of CN1 of the high voltage generator in the air purifier M...

Page 94: ...ck DB01 Connect discharge resistance approx 100Ω40W or soldering iron plug between terminals of the electro lytic capacitor 760µF of C14 with printed CAU TION HIGH VOLTAGE on P C board OK if 760µF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55 to 77Ω Should be 10MΩ or more Replace outdoor ...

Page 95: ...rd hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting 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 discolora tion of the copper foil pattern on this P C board 2 The P C board consists of the following 2 par...

Page 96: ...icators OPERATION TIMER FILTER Plasma are lit 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 indicator flashes 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes 1 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals 2...

Page 97: ... 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 TGa A room Gas side temp sonsor TGb B room Gas side temp sensor TA TC TO TGa TGb TE TS TD 11 9 2 P C Board Layout 1 Sensor characteristic table 5V 12V GND ...

Page 98: ...ach winding by using the tester Resistance value 380 40 Ω Position 1 to 2 1 to 3 1 to 4 1 to 5 Temperature Sensor TA TC kΩ 10 C 20 C 25 C 30 C 40 C 20 7 12 6 10 0 7 9 4 5 Red White Black Check conduction by using the tester Compressor thermo Bimetal type Model US 622KXTMQO SS 4 Position Red White White Black Black Red Resistance value 17 to 25kΩ 17 to 25kΩ 17 to 25kΩ Compressor Model DA130A1F 25F ...

Page 99: ... No 1 MCC 5009 Soldered surface Heat sink IGBT side C12 C13 C14 11 9 5 Checking Method for Each Part Part name Electrolytic capacitor For boost smoothing Checking procedure 1 Turn OFF the power supply breaker 2 Discharge all 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 ...

Page 100: ...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 outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position det...

Page 101: ... may ignite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir...

Page 102: ...lling the both sides of the front panel toward you How to assemble the front panel 1 Push three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Insert the electric dust collector and left and right air filters Push in the electric dust collector until the protrusions on both sides are com...

Page 103: ... connected to the air ionizer from where they are fitted into the other components Caution do not remove the Faston 4 Disconnect the connectors of the high voltage generator and disconnect the four leads from where they are fitted into the other components 5 Remove the fixing screw which secures the high voltage generator and remove the high voltage generator from the evaporator Air ionizer Connec...

Page 104: ... secure it using the fixing screw 2 Pass the leads of the high voltage generator through the area designated and insert them into its connectors 3 Attach the air ionizer to the back body and pass the two leads black through the area desig nated on the electric parts box assembly 4 Attach the drain guide Check whether the leads have been completely inserted Claw Claw Claw ...

Page 105: ...ng screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom Lead wire cover Fixing screw TC sensor Louver moter connector Fan motor connector Screw Make absolutely sure that the leads f...

Page 106: ...holder by removing the two fixing screws used to secure it Hanged part Disengage the claw Pipe holder Screw Screw Screw Heat exchanger fixing holder Screw 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat ex changer rightward 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the ...

Page 107: ...se the left side of the heat exchanger slightly and remove the bearing base Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate it in the main body After assembling the bearing base check that it is fitted into the stepped part of the drain pipe Screw Bearing base Screw Raise the left side Remove in this direction Bearing base Beari...

Page 108: ...t the bottom front After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws Fan motor 1 Follow to the procedure in the item 2 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 3 Loosen the set screw of the cross flow fan 4 Lift the lef...

Page 109: ... the right of the cross flow fan is set keeping 70 5mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw U groove Perform positioning of the fan motor as fol lows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out ...

Page 110: ...e power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base Remarks Replace terminal block microcomputer assembly and the P C board assembly R05 L01 C01 CN23 FUSE R04 R01 CN10 J04 IC03 C20 IC01 T01 C03 DB01 ...

Page 111: ... inside the indoor unit 2 Attach the upper cabinet ST1TØ4 x 8l l l l l 5 pcs 3 Perform cabling of connecting cable and attach the wiring cover Place the wiring cover over the opening used to work on the connecting wires of the side cabinet and secure it using the two fixing screws ST1TØ4 x 8l l l l l 2 pcs At this point the top cushion of the wiring cover must be on the inside of the opening 4 Att...

Page 112: ...base The front cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Retur...

Page 113: ... Be careful to discharge the capacitor be cause the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases NOTE This capacitor is 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 8l l l l l 2 pcs fixing the main body a...

Page 114: ...ication CN13 Lead for AC power supply Note These connectors have a disconnect preven tion mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together Note Disengage the four claws of the P C board base hold the heat sink and l...

Page 115: ...ate 2 Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw ST1TØ4 x 8l l l l l 1 pcs used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1TØ4 x 8l l l l l 2 pc used for securing the side cabinet to the bottom plate and heat exchanger Side cabinet A B C The back body section is hooked onto the bottom plate here Hook the claw onto the bottom plate here...

Page 116: ...move terminal cover of the compressor and disconnect lead wire of the compressor and the comp thermo assembly from the terminal 6 Remove pipe connected to the compressor with a burner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunc tion 7 Remove the fixing screw of the bottom plate and heat exchanger ST1TØ4 x 8l l l l l 1 pc 8 Remove the fixing screw of the bottom...

Page 117: ...use your hand to secure the body in order to prevent the pipe from being bent out of shape Fan guard Electronic expansion valve coil 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver accordi...

Page 118: ...V E The sensor mounting positions in the model M18EAV E are all the same with the sole excep tion of the TE sensor Refer to the figure shown on the left CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric ...

Page 119: ...and 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...

Page 120: ... 120 Outdoor unit main PCB MCC 5009 ...

Page 121: ... 121 Outdoor unit Sub PCB MCC 5009 ...

Page 122: ... PIPE 218 43049701 PIPE SHIELD 1 219 43049698 PIPE SHIELD 2 221 43047332 PIPE SUCTION 2 222 43047334 PIPE SUCTION 1 Location No Part No Description 223 43049674 SPRING SUCTION 1 224 43047331 PIPE DELIVERY 225 43044788 EVAPORATOR 2 226 43044789 EVAPORATOR 1 227 43039324 GUIDE DRAIN 228 43049728 GUIDE DRAIN LEFT 229 43019904 HOLDER SENSOR 230 43049715 HOLDER EVAPORATOR RIGHT 232 43062256 COVER TERMI...

Page 123: ...OVER E PARTS 403 43050382 SENSOR TC F6 404 43050400 SENSOR TA 405 4306S484 P C BOARD ASS Y WRS LED 406 43051343 SW MICRO ASS Y 407 4306S609 PC BOARD ASS Y B10EKVP E M10EKCVP E 408 4306S610 PC BOARD ASS Y B13EKVP E M13EKCVP E 409 4306S611 PC BOARD ASS Y B16EKVP E M16EKCVP E 410 43067113 CLAMP CORD ...

Page 124: ...651 Cap Charge Port 023 43046439 Valve 4way STF 0108Z M14EAV E M18EAV E Location No Part No Description 025 43046429 Valve PMV CAM B22YGTF 2 026 43046411 Coil PMV CAM MD12TF 1 027 43058270 Reactor 028 4302C048 Motor Fan ICF 140 43 4 029 43020329 Fan Propeller PJ421 030 43047667 Nut Flange 031 43039387 Base Motor 032 43104184 Plate Partition 033 43004230 Plate Fix Valve Packed 034 43032441 Nipple D...

Page 125: ...nsor TGb Heat pump 706 43050416 Sensor TGa Cooling only Location No Part No Description 707 43050417 Sensor TGb Cooling only 708 43050354 Sensor TD 709 43062228 Base PC Board 710 4306A027 Terminal Block 9P 711 4306S645 PC Board Assy MCC 5009 M14EAV E M14EACV E 712 4306S646 PC Board Assy MCC 5015 713 4306S667 PC Board Assy MCC 5009 M18EAV E M18EACV E Cooling only model Heat pump model ...

Page 126: ...ibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter Ø5 9 Use equivalence with the above specifications 11 pieces are used to fix the cord heater to the outdoor unit base plate One piece is used to fix the ...

Page 127: ... 6 6 nylon Procured locally Procured locally Drawing attached Procured locally Procured locally Procured locally Usage It is used for disassembling and assembling of each cabinet It is used for disassembling and assembling of compressor fixing nuts It is used to make the additional holes on the base or the side cabinet R It is used to process the side cabinet L 2 Required tools for installation wo...

Page 128: ...wer and connect it to its exclusive breaker By doing so the power consumption can be decreased because the breaker can be turned off if there is no possibility of freezing of the base plate in cooling operation etc When the cord heater power is connected to the inverter P C board assembly or others without connected to the exclusive breaker the control P C board of the inverter assembly may cause ...

Page 129: ...Part name Screw type Quantity Front cabinet Ø4 8 7 Wiring cover Ø4 8 2 1 2 Remove the side cabinet R L and the inverter assembly Related parts Screws list Used screw Part name Screw type Quantity Side cabinet R Ø4 8 7 Side cabinet L Ø4 8 3 Inverter assembly Ø4 8 1 1 3 Remove the inverter assembly No Part name Connector No Connector color 1 TE sensor CN600 White 2 TD sensor CN601 White 3 TO sensor ...

Page 130: ...r and the valve fixing plate Remove the compressor fixing bolt Related parts Screws list Used screw Part name Screw type Quantity Heat exchanger Ø4 8 1 Valve fixing plate Ø4 8 1 Compressor bolt 3 1 6 As shown in the left figure remove the set of refrigeration cycle assembly from the outdoor unit base plate In this time work attentively so that the cycle pipes are not damaged by dent or deformation...

Page 131: ...e drain port is frozen due to installation status etc draw around the cord heater so that the end part of the heater is inserted into the drain port In this case add some fixing positions to fix the cord heater surely The end part from the marked part of the cord heater heats up When there is the heating part near the electric parts box a fire may generate Be sure to set the heating part on the ou...

Page 132: ...and connect them according to the wiring diagram Attach 250 Faston and UL approved sleeves each to the end of lead cables which are connected to the thermostat Using insulation tape apply protective measures to the connected parts by the close end connectors Using P shape clamp and the screws Self tapping screw type B Ø4 8mm fix the power cord to the thermostat fixing plate When the power cord siz...

Page 133: ... part of cables at cable process part of the inverter Secure the power cord for the cord heater to the terminal block mounting plate using the P shape clamp and pull it out from the wiring area of the side cabinet R Check that there is the marked part of the cord heater on the outdoor unit base plate or near it When there is the heating part near the electric parts box a fire may generate Since th...

Page 134: ...Appendix 9 Appendix 28 24 5 5 11 11 18 45 18 37 56 36 46 11 11 8 5 8 3 3 4 burring hole Downward 2 3 4 burring hole Upward Material SGCC Z08 Thickness 0 8t 5 Drawing of thermostat fixing plate ...

Page 135: ...Appendix Appendix 10 6 Diagram showing positions φ φ φ φ φ3 2 mm holes to be additionally drilled in base plate ...

Page 136: ......

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Toshiba RAS-B10EKVP-E, Service Manual

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