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SERVICE MANUAL

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2. Intermediate connector White Appendix 4 Photo Explanatory diagram t 1 x Partition plate assembly AS Appendix Procedure Remove the motor base assembly partition plate assembly and the sound insulation board Related parts Screws list Used screw Part name Screw type Quantity Motor base assembly Including motor and fan O4 x8 Partition plate assembly Including reactor gas Valve fixing plate Remove the fixing screws of the heat exchanger and the valve fixing plate Remove the compressor fixing bolt Related parts Screws list Used screw Part name Screw type Quantity Heat exchanger 24 8 Valve fixing plate 4x8 Compressor bolt As shown in the left figure remove the set of refrigeration cycle assembly from the outdoor unit base plate n this time work attentively so that the cycle pipes are not damaged by dent or deformation Apply protective measures to pipes if necessary Appendix 5 Appendix Cord heater installation work Drill a hole on the outdoor unit base plate and fix the cord heater to the outdoor unit base plate using P shape clamp Connect the cord heater cables Using a motor drill etc drill 3 2 holes on the outdoor unit base plate 12 positions See Appendix 10 for the additional hole positions These holes are used to fix the cord heater to the
3. gt M14GAV E M14GACV E M18GAV E M18GACV E uninsulated type Fig 11 1 75 CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads A Fig 11 2 Do NOT lay the circuit board assembly flat 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 charging section before discharging a
4. Propeller fan OUTDOOR UNIT NOTE NOTE Temp measurement BS Per 1 unit T 9 Max 20m Ta amp Total 30m 2 Chargeless 20m Charge 20g m 52 3 21 to 30m lt 5 lt Y 3 Split capillary 9 92 2 x 200 Strainer valve at liquid side CAM B22YGTF 3 3 Split capillary z Pulse motor 2 2 x 2006 Refrigerant amount 1200 Wi Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g 27 RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M18GACV E To B room Indoor heat exchanger Temp measurement lt o cEIt amp D ea EE 2S Pun bat Deoxidized copper pipe Pressure measurement Both A and B E P o9 amp Total 30m E Chargeless 20m Gauge attaching port dia 5 Charge 20g m Vacuum pump connecting port Thickness 0 8mm Ets 21 to 30m Deoxidized copper pipe Sectional shape Im Both rooms of heat insulator ba dia 9 52mm 10 13 12 7mm 16 Thickness 0 8mm ed quce s
5. How to attach the drain cap In case of bottom right or bottom left piping 1 Insert hexagonal wrench 4 mm After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 16 4mm Fig 10 3 13 Left hand connection with piping 2 Firmly insert drain cap Bend the connecting pipes so that they are posi tioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm above the wall surface the indoor unit may AN Z Do not apply lubricating oil be unstable refrigerant machine oil i when inserting the drain cap When bending the connecting pipe make sure to If applied deterioration and use a spring bender to avoid crushing the pipe Insert a hexagon drain leakage of the drain wrench 4mm 9 May occur Refer to the table below for the bending radius of each connection pipe Fig 10 3 14 Outer diameter Bending radius How to attach the drain hose Always use the original screw that secured the drain hose to the unit If using a different screw may cause water to leak To connect the pipe after installation of the Insert the drain hose firmly until the connector unit figure contacts with the insulation then secure it in place using the original screw To the front flare NS
6. or use the remote controller to turn it off When the unit is in operation Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times The green indicator flashes FILTER TIMER OPERATION for 5 seconds If the unit is required to operate at this time press RESET button CA once more or use the remote controller to turn it on When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down While the filter check indicator is on the RESET button has the function of filter reset button 53 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system is on stand by not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds 1 The unit starts to operate The green indicator is on i After approx three seconds The unit beeps three times
7. 1 unit 2 5 to 2 7 41 to 43 1 9 to 2 1 30 to 32 2 units 1 9 to 2 1 30 to 32 Temperature No of Operating combination Standard Heat exchanger condition C operating Unit pressure pipe temp units A P MPa T1 C T2 C 0 9to 1 1 11to 13 41 to 43 Indoor Outdoor Outdoor fan Compressor revolution rps 0 8 to 1 0 81010 45 to 47 0 8 to 1 0 7to 9 4710 49 0 9to 1 1 111013 481050 0 9to 1 1 11to 13 481050 2 units 0 9 to 1 1 111013 481050 0 9to1 1 111013 481050 lt Heating gt RAS M18GAV E Temperature No of Operating combination condition C Standard operating Unit pressure units A P MPa Indoor Outdoor T1 C T2 C 3 2 to 3 4 44 to 46 Outdoor fan Compressor revolution rps 3 4 to 3 6 50 to 53 3 4 to 3 6 51 to 53 2 6 to 2 8 37 to 39 2 6 to 2 8 38 to 40 2 units 2 6 to 2 8 38 to 40 2 6 to 2 8 38 to 40 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 7 5 m x 2 units zc 8 1 Indoor Unit 8 CONTROL BLOCK DIAGRAM RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Heat Exchanger Sensor
8. Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose 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 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 Remove the charging hose from the service port Securely tighten the caps on the packed valves Perform steps 1 through 8 above on each con nected indoor unit o Compound pressure gauge Pressure gauge 101 kPa 76 cmHg TEENE anitold valve Handle Hi Keep full closed Handle Lo Charge hose For R410A only Charge hose Connecting pipe For R410A only Vacuum pump adapter for counter flow prevention
9. polarity by discharging resistance approx 100040W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF on P C board Be careful to discharge the capacitor because the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases 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 ST1T 4 x 8L 2 pcs fixing the main body and the inverter box 5 Remove the front cabinet by performing step 1 in and remove the fixing screws ST1TOA x 8L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector 109 Remarks Inverter cover P C board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron Terminal block A screw STIT 4X8MSZN f y M Put the compressor Put each leads leads through through the hole the hole The connector is one with l
10. 3 5 Brazing of Pipes Fig 3 4 2 1 Phosphor bronze brazing filler tends to react 3 5 1 Materials for Brazing with sulfur and produce a fragile compound 1 Phosphor bronze brazing filler water solution which may cause a gas Silver brazing filler leakage Therefore use any other type of Silver brazing filler is an alloy mainly composed brazing filler at a hot spring resort etc and of silver and copper It is used to join iron copper coat the surface with a paint or copper alloy and is relatively expensive though 2 When performing brazing again at time of it excels in solderability servicing use the same type of brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called By removing the oxide film and any foreign solder and is an alloy of tin and lead Since it is matter on the metal surface it assists the flow weak in adhesive strength do not use it for of brazing filler refrigerant pipes In the brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 18 2 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective t
11. 1 3 5 9H Bme ex Fan eer Jumper wire Gur CLOCK v RESET O CHECK Cutting direction 57 When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals Setting the remote controller Switching between A and B is enabled by cutting the jumper wire inside the battery box using pliers 1 Slide open the remote controller cover and remove the batteries 2 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 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 CHECK button and FIX button together is restored to the setting established prior to the switching when the battery is replaced or the RESET button is pressed Setting the selector switch on the main unit Remove the front panel and then set the selector switch to B After making the switch setting remount the front panel Position of remote
12. Gas side CAUTION Liquid side Securely insert the drain hose and drain cap otherwise water may leak R30 or less 26 35 R40 or less 09 52 R50 or less O12 7 Use polishing polyethylene core or the like for bending pipe k Outward form of indoor unit In case of right or left piping ce After making slits on the front panel with a knife or JB RUIWIIMMBS 7EI T similar tool cut them out with a pair of nippers or LS an equivalent tool e Use a screwdriver handle etc Fig 10 3 17 NOTE If the pipe is incorrectly bent the indoor unit may be unstable on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary Fig 10 3 15 pipes and wrap the facing tape around them 64 CAUTION 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle Bind the auxiliary pipes two and connecting cable with facing tape tightly NOTE In case of leftward piping and rear leftward Hole should be made at a slight downward slant piping bind the auxiliary pipes two only with on the outdoor side facing tape Do not rise the drain hose Do not form the drain hose into the waved shape dem x AX 2 LY Indoor unit Auxiliary pipes ON Connecting cable Fig 10 3 18 Installation plate AX Do not put the Do not put the drain Care
13. Suction pipe temp sensor TS fault Discharge pipe temp sensor TD fault Trouble on outdoor fan Outdoor temp sensor TO fault Trouble on compressor system Gas side pipe temp sensor a TGa fault Gas side pipe temp sensor b TGb fault TGa sensor out of place PM V fault Communication trouble between M C U Compressor lock ee a a ae ee es 9900 9 Trouble on discharge temp Gas leakage ee ee nue eee a a ee Compressor break down aja ae oa ae ae oo ee u a LED ON LED OFF 88 11 8 Troubleshooting 11 8 1 How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash N YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Red DC12V and Brown GND of CN1 of the high voltage generator YES Is DC12V applie between NO 1 and of CN33 of the main P C board MCC5020 YES Primary check To item Power supply is not turned on gt Is there conduction of micro switch connector under OFF status of the micro switch Front pan
14. The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure Troubleshooting Procedure Page First Confirmation Trouble Diagnosis by Outdoor LED Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller How to Check Simply the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor Check Code 1 and 1E Fan Motor is Good or Bad Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand The new inverter 3DV inverter will be incorporated starting with this unit SDV 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor th urere E jum 6IN1 Shared potential emen Compressor Fan motor Shared potential
15. m 3 Split capillary 3 2 2 x 2004 4 way valve STF 0108Z Strainer Pulse motor Compressor DA111A1F 20F1 Outdoor heat exchanger Temp measurement T2 Propeller fan OUTDOOR UNIT NOTE NOTE 3 Split capillary valve at liquid side CAM B22YGTF 3 2 2 x 2006 Refrigerant amount Tens Wi Gas leak check position gt Refrigerant flow Cooling The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g 03 7 2 Operation Data lt Cooling gt RAS M14GAV E RAS M14GACV E Temperature No of Operating combination Standard Heat exchanger operating Unit pressure condition C pipe temp units A P MPa Indoor Outdoor T1 C T2 C 0 7t00 9 111013 43 to 45 Outdoor fan Compressor revolution rps 1 unit 0 9 to 1 1 8to11 47 to 49 0 9to 1 1 14to 16 47 to 49 2 units 0 9 to 1 1 14to 16 47 to 49 Heating RAS M14GAV E Heat exchanger Temperature Operating combination No of pipe temp condition C Standard operating Unit pressure units A P MPa Indoor Outdoor T1 C T2 C 2 210 2 4 36 to 38 Outdoor fan Compressor revolution rps
16. For general public use Power supply cord of outdoor unit shall be more than 1 5 mm 2 HO7RN F or 245IEC66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precautions described below include the important items regarding safety Observe them without fail After the servicing work perform a trial operation to check for any problem Turn off the main power supply switch or breaker before the unit maintenance CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and
17. Normal running IGBT short circuit Compressor motor rear short Trouble on position detecting circuit Trouble on current detecting circuit Condensor pipe temp sensor TE fault Suction pipe temp sensor TS fault Discharge pipe temp sensor TD fault Trouble on outdoor fan Outdoor temp sensor TO fault Trouble on compressor system Gas side pipe temp sensor a TGa fault Gas side pipe temp sensor b TGb fault TGa TGb sensor out of place PM V fault Communication trouble between M C U Compressor lock e 0u0n05 000 0 9 09 0 09 Trouble on discharge temp Gas leakage aja a aja e anae E ae a ee aaa a o a 0e a eee Compressor break down a a a ein ee a 0 a LED ON LED OFF These LEDs do not normally light 1 If trouble occurs LED Red goes on according to the contents of trouble as shown in the table above 2 When two or more troubles occur LEDs go on cyclically alternately 3 When the trouble is eliminated LEDs Red go off D09 D10 D11 D12 D13 LED Red Fig 10 9 1 This product is compliant with Directive 2002 96 EC and cannot be disposed as unsorted municipal waste This product must be returned to the appropriate collection facility as specified by your municipality 74 11 HOWTO DIAGNOSE THE TROUBLE
18. Operation flow and applicable data etc Description 11 Temporary operation Filter lamp ON Did you press RESET button for 3 seconds or more Did you press RESET button Pressing RESET button starts the temporary operation of AUTO operation When keeping RE SET button pressed for 10 seconds or more the temporary COOL operation is performed YES Press RESET button Temporary AUTO operation YES NO YES for 10 seconds or more NO Switch to AUTO RESTART control Temporary COOL Operation 1 When pressing RESET button the temporary AUTO operation starts 2 When keeping RESET button pressed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pressed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on press RESET button to go off the filter lamp and then press RESET button again 5 To stop the temporary operation press the button again 12 Air purifying This function generates nagative ion while cleaning the air in the room If air purifier ON signal is received while the air conditioner stops the air purifier starts operation and if it is received while the air conditioner operates the air conditioner and the air purifier start control Stop operation The air ion generator operates linked with the air purifying
19. Tightening torque 14 to 18 1 4 to 1 8 kgf m 29 52 mm 33 to 42 3 3 to 4 2 kgf m 212 7 mm Tightening torque for conn 50 to 62 5 0 to 6 2 kgf m ection of flare pipe The pressure of R410A is higher than R22 Approx 1 6 times There fore securely tighten the flare pipes which connect the outdoor unit and the indoor unit with the specified tightening torque using a torque wrench If any flare pipe is incorrec tly connected it may cause not only a gas leakage but also trouble in the refrigeration cycle Flareat indoor unit side Flareat _ outdoor unit side Fig 10 5 9 69 Connectable capacity class A B 10 13 10 13 10 13 16 10 13 16 1 When connecting a capacity class 16 pipe to the indoor unit attach the expander which is avail able as an optional accessory to the 9 52 mm diameter packed valve of the outdoor unit Outdoor unit Fig 10 5 10 10 5 4 Evacuating After the piping has been connected to the indoor unit perform the air purge AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the vacuum pump manual IMPORTANT POINTS FOR PIPING WORK Keep dust and moisture from entering the pipes CAUTION
20. 13 13 Cooling only RAS M14GACV E 10 10 10 13 RAS M18GACV E 10 10 10 13 10 16 13 13 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 M14GAV E and RAS M14GACV E outdoor unit models the 13 13 combination is not an option With the RAS M18GAV E and RAS M18GACV E outdoor unit models the 13 16 or 16 16 combination is not an option 66 10 5 Installation of Outdoor Unit 10 5 1 Installation Location A place which provides enough space around the outdoor unit as shown in the diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb neighbors A place which is not exposed to a strong wind A place free of combustible gases A place which does not block a passageway When the outdoor unit is to be installed in an elevated position be sure to secure its feet Piping connections to the outdoor unit should be arranged in the sequence A then B starting from the bottom For each piping connection the gas pipe is on the bottom and the liquid pipe on top When multiple indoor units are to be connected to the outdoor unit make sure the ends of the pipes and wires from each indoor u
21. 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 245 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 12 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air water heat pump installation Conventional air water heat pump installation Used tool Whether conven tional equipment can be used Existence of new equipment for R410A Whether new equipment can be used with conventional
22. Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually CAUTION Install the outdoor unit without anything blocking the discharging air When the outdoor unit is installed in a place 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 shield Especially in windy areas install the unit to prevent the admission of wind Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where high frequency waves are likely to be generated such as from audio equipment welders and medical equip ment Fig 10 5 2 10 5 2 Draining the Water 1 Holes are provided on the base
23. However the first correction is performed 150 seconds after start of the operation Time correction 1 zone min 1 Room temp Set temp 6 x 5 COOL min 6 x 4 COOL min DRY max COOL min DRY max COOL min 6 x 2 COOL min 6 x 1 COOL min DRY max COOL min DRY max COOL min DRY max COOL min 6 x 3 COOL min Heating operation gt Compressor speed OHz 30 minutes B zone 16 to o Hz M14GAV E M18GAV E 46 Description lt Cooling operation gt 1 The room temperature Tao at the start time of DRY operation is detected 2 According to difference between the room temperature and the set temperature Tsc the operation starts with the condi tions shown in the left figure Set temp Tsc Set temp on remote controller Ts 0 0 to 1 0 3 If the room temperature is down by 2 C or more turn off the compressor lt Heating operation gt 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max Hz 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 close to the set temperature or when 25 minutes passed after starting ECO operation olem
24. Is transmission NO mark indicated YES Push RESET button on remote controller with tip of pencil Is receiver on indoor unit exposed to direct sunlight Does indoor unit Is there any t thyristor operate when moving fluorescent light remote controller near receiver or nearby y indoor unit Batteries are exhausted Push the START STOP button Is transmission mark indicated YES Does indoor unit beep and operate YES i Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio Remote controller is defective P C board is defective Keep indoor unit Avoid direct away from thyristor Replace Replace Normal Replace sunlight fluorescent light P C board batteries operation remote controller NOTE After replacing batteries push the RESET button with a tip of a pencil 85 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and Q of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE Measurement should be perf
25. It is recommended to procure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer 2 SPECIFICATIONS The indoor and outdoor units that can be used in combination are shown in the tables below Table of models that can be connected Heat pump Outdoor unit RAS M14GAV E RAS B10GKVP E Indoor unit RAS B13GKVP E RAS M10GKV E RAS M13GKV E RAS M10GDV E RAS M13GDV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKV E RAS M13GKV E RAS M16GKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E Cooling only RAS M14GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M10GDCV E RAS M13GDCV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M16GKCV E RAS M10GDCV E Table of models that can be used in combination Heat pump Outdoor unit RAS M14GAV E RAS M13GDCV E RAS M16GDCV E Combinations of indoor unit models that can be connected 10 10 10 13 RAS M18GAV E 10 10 10 13 10 16 13 13 Cooling only RAS M14GACV E 10 10 10 13 RAS M18GACV E 10 10 10 13 10 16 13 13 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 th
26. Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Clock Frequency Oscillator Circuit j M C U Indoor Unit Control Unit Functions Cold draft preventing Function 3 minute Delay at Restart for Compressor Fan Motor Starting Control Processing Temperature Processing Louver Motor Drive Control Indoor Fan Motor Control Louver Motor Timer Serial Signal Communication Indoor Fan Motor Converter D C circuit From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER Power Supply NA Circuit Clean Function Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Controller Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier SLEEP Air purifier unit Micro Switch Infrared Rays 36 7kHz kf Gr RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Indoor Unit Control Unit Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication J Clock Frequency Oscillator Circuit Power Supply Circuit Converter D C circuit ZN Noise Filter From Outdoor Unit 220 240V 50Hz
27. continues Displayed when error is detected 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 compres sor thermo Gas shortage Gas leak Operation continues Bs Flashes when trouble is detected on Return serial signal and normal status when signal is reset 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter PC board 3 Check 3 15A of inverter P C board To display Other block during operation check compressor thermo operation and supply gas check gas leak also Unit operates normally during check If return serial signal does not stop between indoor terminal board 2 and 3 replace inverter board If signal stops between indoor terminal board 2 and 3 replace indoor P C board Block distinction Operation of diagnosis function Air Judgment and action conditioner Remarks 9 status Check code Block Cause of operation Outdoor P C Inverter over current All off Displayed when Even if trying operation again all error is detected board protective circuit operates Short time operations stop immediately Replace P C board Position detect circuit error or short circuit between windings of compressor All
28. into its connectors 3 Attach the air ionizer to the back body and pass the two leads black through the area designated on the electric parts box assembly 4 Attach the drain guide 100 Air ionizer gt Part name Electric parts box assembly Procedures 1 Follow the procedure up to 4 in above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector 5P for the fan motor and connec tor 5P for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Disengage the two claws at the top of the display unit They can be easily disengaged by pressing the drain pan above the claws and at the same time pulling the display unit toward you 6 Remove the fixing screw that secures the electric parts box assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing 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 101 Lead
29. of electrolytic capacitor Check electrolytic capacitor diode DBO1 etc Does outdoor fan rotate Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Ta Preparation Operation Measure ment Check Stop Check Measure ment ble 11 9 1 Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor Check whether 25A fuse on the control board assembly is blown or not F01 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal voltage of the electrolytic capacity 760yF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electro lytic capacitor by soldering iron Check voltage between motor phases Is not winding between D Q G or O opened or short circuited Is not frame grounded with O or 9 f Summary If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of the electro lytic capacitor 760UF of C14 with printed CAU TION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of s
30. of motor connector CN10 NO Does indoor erate m Turn off indoor unit and remove Motor connection condition connector from motor Is it possible to detect DC 15V Then push START STOP button between C and 8 of on remote controller to stop motor connector CN10 flashing lamp on indoor unit Is it possible to detect DC 15V between Q 3 and 3 of motor connector CN10 Change airflow level Replace main to HIGH P C board Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and of motor connector CN10 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller 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 of motor connector CN10 Check this condition within 15 seconds after starting unit NO Replace bearing Is it possible to change airflow level to HIGH YES Is it possible to rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between
31. pressor operates Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer sensor short circuited CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals 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 The motor rotates but vibrates strongly 93 The indoor fan motor is defective Protected operation of P C board The PC board is defective The connection of the motor connector is loose 11 10 2 P C Board Layout 1 Sensor characteristic table 100 90 _ 80 ET 8 70 TD Discharge temp sensor TA Room temp sensor ge TC Heat exchanger temp sensor 50 TO Outdoor temp sensor 2 TE Outdoor heat exchanger temp sensor 5 i TS Suction temp sensor 30 TGa room Gas side temp sensor TGb B room
32. the A setting is the default setting 1 Setting the selector switch on the main unit Remove the front panel and then set the selector switch to B After making the switch setting remount the front panel 2 Setting the remote controller 1 Slide open the remote controller cover and remove the batteries 2 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 the inside of the remote controller 3 Insert the batteries appears in the remote controller display 3 Check that the indoor unit can be operated by the modified remote controller Position of remote controller selector switch Selector switch Fig 10 8 3 Cutting direction e Ces s 577 When switching between settings and B always switch the indoor unit board and the remote controller as a pair CHECK Otherwise the indoor unit will not accept the remote controllers signals Fig 10 8 4 73 10 9 Useful Functions 10 9 1 Self Diagnosis by LED Indication For this outdoor unit by referring to the 5 LED Red indicator lights self diagnosis is possible LEDS Red D09 to D13 are located on the sub control board underneath the inverter LED indication Contents Indoor alarm code D10 D12
33. 1280 0 5 to 4 7 0 84 to 6 33 1250 130 to 1350 0 9 to 5 1 1 10 to 5 76 980 170 to 1230 0 9 to 5 2 1 10 to 5 86 1010 170 to 1250 0 5 to 4 4 0 81 to 5 74 850 130 to 1280 0 5 to 4 7 0 81 to 6 05 1250 130 to 1350 3 2 4 2 4 3 4 4 3 2 4 2 4 3 0 9 to 5 1 1 06 to 5 51 980 170 to 1230 4 4 3 2 4 2 4 3 4 4 1 unit 2 units 1 unit Heating 2 units 0 9 to 5 2 1 06 to 5 60 1010 170 to 1250 0 5 to 4 4 0 77 to 5 50 850 130 to 1280 0 5 to 4 7 0 77 to 5 80 1250 130 to 1350 0 9 to 5 1 1 01 to 5 28 980 170 to 1230 0 9 to 5 2 1 01 to 5 37 1010 170 to 1250 1 unit 2 units The above specification values are those under the conditions Cooling Indoor DB WB 27 19 C Heating Indoor DB 20 C Outdoor DB 35 C Outdoor DB WB 7 6 C lt Cooling gt RAS M18GAV E RAS M18GACV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode V status A A kW A W 1 1 to 3 2 1 43 to 3 220 to 800 1 1 to 4 2 1 43 to 6 220 to 1400 1 1 to 4 9 1 4310 7 220 to 1700 1 4 to 6 1 1 69 9 260 2150 1 4 to 6 2 1 69 to 10 06 260 to 2170 1 4 to 6 2 1 69 to 10 06 260 to 2170 1 4 to 6 2 1 69 to 10 06 260 to 2170 1 1 to 3 2 1 37 to 3 220 to 800 1 1 to 4 2 1 37 to 6 220 to 1400 1 1 to 4 9 1 3710 7 220
34. 220V 60Hz REMOTE CONTROLLER 3 minute Delay at Restart for Compressor Fan Motor Starting Control Processing Timer Serial Signal Communication Clean Function Functions Louver Motor Drive Control Indoor Fan Motor Control Temperature Processing Louver Motor Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Controller Operation START STOP Operation Mode Selection AUTO COOL DRY Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier SLEEP 3 i 4 Air purifier unit Infrared Rays 36 7kHz 8 2 Outdoor Unit Inverter Assembly RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models juo be 10 51 Jejodig pejejnsu 199 n uoneinpory UIPIM WMd 9A EA JOJOW SSINd A Wd m 71 1 lt 9a JosseJduio i Jeuen l i 10 Kejou 1 177 eo EL NW d 30 Ue lt 2 lt Josues Joy Joopino JoueAu jueuno SION OL 105 1 duiej J00pjno now uo
35. 43063317 43146448 43158192 121 Description Valve PM V CAM B22YGTF 3 Coil CAM MD12TF 6 Reactor Motor Fan ICF 140 43 4R Fan Propeller PJ421 Nut Flange Base Motor Plate Partition Plate Fix Valve Packed Nipple Drain M14GAV E M18GAV E Cap Waterproof M14GAV E M18GAV E Mark TOSHIBA Mark Inverter Rubber Cushion Sleeve Flag Holder Sensor 4 8 9 52 Heat Pump Models TD TGa TGb Cooling Only Model TD Holder Sensor 6 11 4 12 7 TS Holder Sensor 6 6 35 8 Heat Pump Model TE Holder Sensor 6 8 9 52 Cooling Only Models TGa TGb Holder Sensor TO Thermostat Bimetal Holder Thermostat Capillary Inside 22 2 Reactor CH 43 Z 13 3 P C Board Layout 710 702 Sencor TS 703 Sencor TO 706 Sencor TGa 707 Sencor TGb 708 Sencor TD 04 701 Sencor TE 702 Sencor TS 703 Sencor TO 704 Sencor 24 705 Sencor TGb 04 708 Sencor TD 24 11111 A AB A A 111111 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No Location No Description Description 43050422 Sensor Heat Pump 43050430 Sensor TD 43050423 Sensor TS 43
36. 5 and of motor connector CN10 NO Fan motor operates normally 83 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt 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 cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Usea thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board Measure voltage between 3 GND BLACK and 5 V line YELLOW of motor connector CN10 while indoor fan motor is rotating DC 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor 84 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Operation lamp on indoor unit is not indicated Push the START STOP button
37. 80 COP Cooling Heating 3 70 3 25 Indoor Operating Cooling Heating noise Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E High dB A 42 43 45 Medium dB A 33 34 36 Low 27 27 29 Outdoor Cooling Heating Unit model RAS M14GACV E RAS M18GACV E 2 indoor units operating dB A 46 48 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Dimension Indoor unit Height 3 2 250 250 250 Width 790 790 790 Depth 3 3 33 215 215 215 Net weight 9 9 9 Fan motor output g9 30 30 30 Air flow rate Cooling Heating Ser 3 2 550 560 640 Unit model RAS M14GACV E RAS M18GACV E Dimension Height 550 550 Width 780 780 Depth 3 3 3 290 290 Net weight 36 40 Outdoor unit Compressor Motor output gA amp 750 1100 Type Twin rotary type with DC inverter variable speed control Model DA111A1F 20F1 DA130A1F 25F Fan motor output E 43 43 Air flow rate 1820 2100 Type Flare connection Flare connection Indoor unit Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Liquid side Gas
38. Cooling gt A x 5p NS So co oc 25 Indoor DB 27 C Outdoor DB 35 C Indoor air flow High Conditions 15 110 100 1 2 2 2 Capacity Variation Ratio According to Temperature RAS M14GAV E RAS M14GACV E lt Cooling gt 42 43 36 37 38 39 40 41 Outdoor temp C 35 Indoor air wet bulb temp C Capacity ratio 100 4 0 kW 10 lt Heating gt RAS M18EAV E 2 2 3 Operation Characteristic Curve lt Cooling gt RAS M18EAV E RAS M18EACV E S 3 N Oo x gt Zo _ Oc 2 n ZPE Ss Oso o ONE 0 KR snOres N88 i7 e co 2 5 8282 o 9 OEPS ogoBg otc o g e ORREZ 2 S998otc SOTO 5 5555 o 9 nta o g S e LO go e i e e A 9 o amp 1 A 3 9 jueun P o 9 5 Aoede V E LE o jum o D eo c 2 o sE 1 E 9 z o 2 9 E LO 2 cc lt m N 6 c co zo o o D pe E t o0 S HD z Oint 5 KO ONE S H KYLINE 5 G9 d s morse 9mocco QD gt 50n 59 D EE eS pas FERE 5989229 o SSL A 1 co9go z s5225 gt oogooc Sota Oo050925 Q A SOSLU gt Oo T o LO LO LO o 1
39. FILTER and 2 Brown GND indicator Orange go on of CN33 of the main VES P C board YES Dry the electric dust collector and ionizer Are the electric dust collector and ionizer dried Electrode check NO x o o c 2 2 a YES Referring to the right figure check the high output voltage of the air filter unit NOTE Use an exclusive high voltage tester otherwise the tester may be broken YES Is output of the ionizer approx 4 0 kV to 4 8 kV Is output of the collector approx 3 0 kV to 3 8 kV Refer to items cleaning and check for the electric dust collector ionizer ionized wire units When the ionized wire is disconnected or when dirt is not cleaned even cleaned replace each unit YES Are the electric dust collector ionizer ionized wire units dirty Is an abnormal sound cracking noise heard from the electrode YES 89 NO NO Replace the main P C board MCC5020 How to check output of the air purifier Caution on High Voltage Collector Be sure not to come to contact to the gray part or not to touch the ionized cables High voltage tester Replace the high voltage generator NO No trouble 11 8 2 How to Check Whether the Minus lon Generator is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicat
40. Gas side temp sensor 20 10 _ TA TC TO Tga TE TS 0 10 20 30 40 50 Temperature C 94 11 10 3 Indoor Unit Other Parts Part name Checking procedure Room temp TA sensor Disconnect the connector and measure the resistance value with tester Heat exchanger TC sensor Normal temp Remote controller Refer to 11 5 1 5 Louver motor Measure the resistance value of each winding coil by using the tester MP24Z Under normal temp 25 C Position Resistance value 380 400 Indoor fan motor Refer to 11 5 1 3 and 4 11 10 4 Outdoor Unit Part name Checking procedure Compressor Measure the resistance value of each winding by using the tester Model DA111A1F 20F Red White White Black 0 88 to 0 980 Black Red Under 20 C Compressor Measure the resistance value of winding by using the tester Model DA130A1F 25F Red White White Black 0 69 to 779 Black Red White Black Under 20 C Outdoor fan motor Measure the resistance value of winding by using the tester Model ICF 140 43 4R Red Red White White Black 17 to 25kQ Black Red White Black Compressor thermo bimetal type Check conduction by using the tester Model US 622KXTMQO SS 95 Part name Checking procedure ROutdoor temperature sensor Disconnect the connector and measure resistance value with
41. Operation Description 9 2 9 3 9 4 1 Basic Operation te rete m deeem ie tee teuren eia gu tee Eae Mee 35 1 Operatiort Control rr tad eie i exeo strap eet eeu eo hab baia Dag rre dn 35 2 Operating mode selection when performing 2 roomoperation 36 3 Cooling Heating 36 4 AUTO Operatlon zi ie eet dut Tui t da e PORE EP ERE steep fei Eee dn 37 5 DRY operation etae ode eive Sae eia ee donec vated ue cr Y RU dec AEAN 37 2 Indoor fan motor contol assesi iiia e ANE enne 38 In cooling operatiors tpe IR enden de ete det deed ed s a e hd 38 In heating operations eer rn ee ieu rag Yen Pee ea ivi ER Cela Pert 39 3 Outdoor fan motor control enne eintreten nennen nnns 40 4 Capacity Control ee ERE 42 5 Current release control 42 6 Release protective control by temperature of indoor heat exchanger 43 7 Winding Coil heating control ssssssssssssssseee nennen nnns nrnen 44 8 Defrost control Only in heating operation ssssssseeeeeeeneeeenen nnne 44 S PRENDI 45 DEED cS 45 2 Ar direcion adusien s ict e irc tx engen E a dE ce uar fe xk adt 45 OE EM E 45 102 ECO operatio
42. POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the operation 8 9 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 while the mark is flashing Press another button to turn off the mark 9 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 10 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position AUTO 653 In the illustration all indications are shown for purposes of explanation During operation only the relevant indicators are shown on the remote controller 9 6 Hi POWER Mode Hi POWER button on the remote controller is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hit POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation The indoor unit operates in according to the current operation 2 Cooling operation The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change f the difference betwe
43. Pull upward the refrigeration cycle 10 Remove BOLT 3 pcs fixing the compres sor to the bottom plate Precautions when assembling the com pressor Tighten the compressor bolts using a tightening torque of 4 9 Nem Remarks Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactor ST1T 4 x 8L 4 pcs ei EIU GG SD EN NEON Reactors Part name Electronic expansion valve coil Procedure 1 Detachment 1 Perform step 1 in all the steps in and 1in 2 Remove the coil by pulling it up from the electronic control valve body 2 Attachment 1 When assembling the coil into the valve body ensure that the coil anti turn lock is installed properly in the pipe Handling precaution gt When handling the parts do not pull the leads When removing the coil from the valve body use your hand to secure the body in order to prevent the pipe from being bent out of shape Remarks Coil anti turn lock Coil anti turn lock position Coil inserting position Fan guard 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 according to the arrow mark in the right figure and remove the fa
44. Specifications Fan motor for indoor MF 280 30 5R DC280 340V 30W Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10kQ at 25 C Louver motor Output Rated 1W 16 poles DC12V 6 2 Outdoor Unit RAS M14GAV E RAS M18GAV E RAS M14GACV E RAS M18GACV E Parts name Model name SC coil Noise filter 103 ADR2520 R15TB or SC 20 01J A AC 250V 20A 0 15mH SC coil Noise filter 101 ADR25H 200R8TB AC 250V 20A 0 88mH i Primary side DC 280VSecondary side DC DC transformer SWT 72 or SWT 83 7 5V x 1 13V x 126 5V x 3 16V x 1 15V x 1 Fan motor For outdoor ICF 140 43 4R DC 140V 43W Relay 4 way valve G5N 1A Coil DC 12V Contact 2A AC250V Relay Power relay DI12D1 O or G4A 1A PE Coil DC 12V Contact 20A AC250V Discharge temp sensor TD sensor Inverter attached 64kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C models Inverter attached 64kQ 25 C models Inverter attached 64kQ 25 C models Inverter attached 10kQ 25 C cooling ont models Inverter attached 10kQ 25 C Evaporator temp sensor TE sensor Inverter attached 10kQ 25 C Suction temp sensor TS sensor Inverter attached 10kQ 25 C Terminal block 9P AC 250V 20A For protection of switching power source F03 AC 250V 3 15A Fuse For protection of i
45. air purifying operation Press the button again to stop operation 18 Sleep time button SLEEP Press this button to start the sleep timer OFF timer operation You can select the OFF timer time from among four settings 1 3 5 or 9 hours 1 amp AUTOA XX O 501 oo HiPOWER CHK ENSIS um um NI 55 9 5 2 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pressing the 5 button 1 2 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control Cool Dry XX Heat Temperature indicator Indicates the temperature setting 17 C to 30 C PURE indicator Shows that the electrical air purifying operation is in progress FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW _ LOW L MED MED mm HIGH _ mm Can be shown Indicates AUTO when the operating mode is either AUTO or Dry 18 58 56 6 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 7 Hi
46. and both sides 100 mm or more 50 mm or more S ee from wall In principle from wall 1 Zy leave open Rear ita Left right 4 Remote controller holder Bottom right Rear left Mounting holes on both left and right sides As shown in the figure position power cord and connecting cable downward and lead out along 200 mm ah piping connection port Remote controller Insulate the refrigerant pipes holder mounting screw separately not together When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure 250 mm or more from wall Power cord Extension drain hose Option RB 821SW Ensure sufficient space 6 mm thick heat resistin l g to allow drainage polyethylene foam With the remote controller cover removed correctly load the supplied batteries while observing their polarity 2 Wireless remote controller 58 10 2 Optional Parts Accessories and Tools 10 2 1 Optional Installation Parts Part Code Parts name Refrigerant piping Indoor unit name Liquid side Outer diameter Gas side Outer diameter RAS B10GKVP E B13GKVP E 6 35 mm 9 52 mm RAS B16GKVP E 6 35 mm 12 7 mm Attachment bolt arrangement of outdoor unit Shield pipe for extension drain hose polyethylene foam 6 mm thick Elongated drain hole Secure t
47. board Microcomputer is defective Parts of a power supply circuit supplied between k defective CN10 D 9 Replace fan Be sure to disconnect the motor connector CN10 after shut damage of the motor motor off the power supply or it will be a cause of 2 Power is not turned on though Indoor P C board is replaced Confirmation procedure Turn on power supply Does OPERATION indicator flash NO YES Is wired correctly to white and black lead wires of terminal block To item of Power supply is not turned on 82 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage AC220 240V between D and Q on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor YES continue to operate Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 1V or more between 5 and 3 O of motor connector CN10 YES NO Replace indoor fan motor Is it possible to detect DC 310 340V between
48. board MCC 5009 116 Outdoor unit Sub P C board MCC 5015 03 Eus BLU ET ee F 2 H 1 zou mer su E a Eed coy TISEL 1 ls i a a mg H i lt J I 2 7 2 e uw Cx 2 8 9 n a R1H 7 RH d spare MCC 5015 03 COMPONENT SIDE ICM DCA 3FRIAI O 002 COMMO LUZ amp O JRG Fi Stir 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit 1 238 247 TT 6 214 235 J 216 225 226 x Ne 236 27 203 201 221 222 224 Ge LTS 205 202 Na AT The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 204 Location No Location No Description Description 43005633 Panel Ass y Front 43005610 Grille Air Inlet 4301V052 Plate Fix 43080512 Filter Air Right 43080521 Filter Air Left 43009675 Louver Horizontal 43009682 Louver Vertical 4302C067 Motor Fan 4302C063 Motor Louver 4306A024 Cord Motor Louver 43039363 Band Motor Left 43039321 Base Bearing 43020346 Fan Cross Flow 43039314 Band Motor 43020
49. check 3 Insulation resistance tester 4 Electroscope 1 Clamp meter 2 Thermometer x6 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment xm When the compound gauges pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauge s pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid refrigerant For refrigerant charging see the figure below 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 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional cha
50. clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Moreover do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing piping CAUTION TO DISCONNECT THE APPLIANCE FROM THE MAIN POWER SUPPLY This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3 mm The installation fuse 25A D type e must be used for the power supply line of this air conditioner DANGER ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO IN STALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK Z DANGER HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCOR RECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE SERVICE AND INSTALLATION FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO F
51. conditioner When power breaker is turned ON the OPWRATION indicator Green of the indoor unit flashes Description The OPERATION indicator 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 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 because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 minutes respectively after the operation has started The set value of the remote controller should be below the room temperature If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote controller is consumed or not In AUTO mode the operation mode is changed After selecting Cool or Heat mode select a
52. controller selector switch Selector switch 52 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Press 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 When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times The green indicator flashes and continues to operate for 5 seconds RESET FILTER TIMER OPERATION Ne If the unit is not required to operate at this time press RESET button once
53. error TGb sensor P M V sensor error gas leakage Check dode 02 1C Check code 03 1E Miswiring in indoor outdoor units gas leakage disconnection of TS TC sensors Check code 02 1C connectiong cable in A B rooms Check Item of indoor outdoor rooms YES Considerable principle cause Is there miswiring of NO Measures Replace cables in A B rooms of outdoor terminal block Valve drive check Is coil of the pulse motor valve NO Set it correctly P M V correctly set YES Is connecter of coil connected to inverter NO Set it correctly Are connections of A B rooms correct YES NO Replace coil valve Set it correctly Item by symptoms Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC A room gas side temp sensor TGa B room gas side temp sensor TGb and outdoor suction temp sensor TS Gas amount check and valve clogging check Check them when operation is performed is only one of A or B room Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C
54. first as shown in the left table 3 The indoor fan stops for the indoor unit that was pressed last and which instructions are ignored Indoor unit Set operating mode Actual indoor unit operation Actual outdoor unit operation Pressed first Cooling dry Cooling dry Pressed last Cooling dry Cooling dry Pressed first Heating Heating Pressed last Heating Heating Pressed first Fan solo air purification Fan solo air purification Pressed last Fan solo air purification Fan solo air purification Pressed first Fan solo air purification Fan solo air purification Pressed last Cooling dry Cooling dry Pressed first Cooling dry Cooling dry Pressed last Fan solo air purification Fan solo air purification Pressed first Cooling dry Cooling dry Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last Cooling dry Fan stopped Pressed first solo air purification Fan solo air purification Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last solo air purification Fan stopped Pressed first eaning operation Cleaning operation Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Cooling dry Cooling dry Pressed first Cooling dry Cooling dry Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last solo air purification Fan solo air purification Pressed first solo a
55. inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse motor valve PM V Besides detecting revolution position of the compres sor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller 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 tempera ture by using heat exchanger sensor TC
56. minutes Code is not displayed during operation Supply gas Check also gas leak Unit operates normally during Not displayed 1 Outdoor board Displayed when error is detected Compressor drive output All off error Compressor error lock missing etc Break down Others including compressor l Return serial signal has Operation Flashes when been sent when continues trouble is detected operation started but it on return serial is not sent from halfway signal and normal 1 Compressor thermo status when signal operation is reset Gas shortage Gas leak check 2 Instantaneous power If return serial signal does not failure stop between indoor terminal block 2 and 3 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board Trouble on compressor Trouble on wiring of compressor Missed phase gt Displayed when error is detected Compressor does not All off rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Displayed when Check dischage temp sensor error is detected TD Gas leakage Trouble on P M V Check power voltage 220 230 240 V 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser Dischar
57. of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 8L 1 pc After removing screw remove the valve cover pulling it downward 3 Remove wiring cover ST1T 4 x 8L 2 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 8L 5 pcs After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water proof cover The water proof cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 8L 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 con necting wires of the side cabinet and secure it using the two fixing screws ST1T 4 x 8L 2 pcs At this point the top cushion of the wiring cover must be on the inside of the opening 4 Attach the valve cover ST1T 4 x 8L 1 pc Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward 107 Remarks Upper cabinet Water proof cover Valve cover Insert the bent part into the rear panel Bring into contact of the inverter against these parts 4 Align the stitch line with the top edge of the front cabinet Bend downward and align with the insid
58. of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 15V Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving infrared ray receiving circuit LED To check defect of the P C board follow the procedure described below 92 3 Check procedures Procedure Turn off the power supply breaker and remove the P C board assembly from electronic parts base Remove the connecting cables from the terminal block Table 11 10 1 Check points Check whether or not the fuse F01 is blown Impulse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second 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 CN23 AC 220 240V 2 Between and of DC 310 340V Between of C10 and output side of IC08 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter L01 resistor R05 or the diode 0 01 is defective C01 ICO8 and T01 are defective C01 ICO8 and T01 are defective C01 IC
59. operation Operation button Present status PURE button Air conditioner Air purifier AC operation Air purifier only Stop All AC Air purifier Air conditioner AC Air purifier All stop Joint use of AC and air purifier AC operation All stop Air purifying operation Cooling position AUTO L L M M H AC Air purifying operation Follows to AC operation Follows to AC operation Air conditioner stops Operation lamp ON 1 Memory position of louver COOL 2 Air purifier ON Air purifying operation Sending air purifier ON 0 0 Air conditioner operates Start of air purifier ON Air conditioner air purifier operate Air purifier operates Operation lamp OFF When the previous operation was the operation of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory 1 Swing is available 2 Fan speed is Fan Auto mode varies in order M 1 gt L gt L gt SL Sending air purifier OFF Air conditioner Air purifier operate Filter OFF Air conditioner operates 9 0 Air purifier OFF 47 All stop olem Operation flow and applicable data etc Description 12 Air purifying control Detection of abnormality Purpose The air purifying control function is to Pur
60. period the Clean operation times unit stops operating Operation mode Operation time Clean operation time No clean operation Up to 10 minutes performed 0 minutes Cooling Auto cooling Dry From 10 minutes up to 1 hour 2 hours 1 hour or longer 4 hours Heating Auto heating Auto fan only No clean operation performed Shutdown To stop an ongoing clean operation at any time Press the start stop button on the remote controller twice during the clean operation After pressing the button for the first time press it for the second time without delay within 10 minutes 50 Item Operation flow and applicable data etc 16 Clean operation Setting the clean operation release release Add J04 of the indoor P C board assembly J04 will be near the MCU so take This cancels the auto restart function steps to ensure that it will not be exposed to excessive levels of heat Also take care to avoid solder Hold down the auto operation switch on the indoor unit bridging with the surrounding for at least 3 seconds but not more than 10 seconds components The indoor unit s buzzer emits three beeps and the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation release setting 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 operati
61. port Thickness 0 8mm S 21 to 30m Deoxidized copper pipe Sectional shape Both and B rooms of heat insulator Outer dia 9 52mm Thickness 0 8mm ex OO J CC CE EE NP EA Se 3 Split capillary 02 2 x 2006 i 4 way valve STF 0108Z Strainer Pulse motor valve at liquid side CAM B22YGTF 3 3 Split capillary Compressor 92 2 x 2004 DA111A1F 20F1 Outdoor heat Temp measurement T2 H Cem TO i Propeller fan Refrigerant amount oe eke OUTDOOR UNIT NOTE W Gas leak check position NOTE gt Refrigerant flow Cooling The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g e DB RAS B10GKVP E RAS M13GKVP E RAS M16GKVP E RAS M18GAV E To B room Indoor heat exchanger Deoxidized copper pipe Both A and B room een dia 6 35mm Thickness 0 8mm Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Both A and B rooms Eo dia 9 52mm 10 13 Sectional shape of heat insulator 12 7mm 16 Thickness 0 8mm 4 way valve STF 01082Z Compressor DA111A1F 20F1 Outdoor heat exchanger Temp measurement T2
62. refrigerant Flare tool Pipe flaring Yes Note 1 O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Yes Note 1 Note 1 Torque wrench Connection of flare nut Yes For 012 7 Gauge manifold Evacuating refrigerant charge run check etc Yes Charge hose Vacuum pump adapter Vacuum evacuating Yes Electronic balance for refrigerant charging Refrigerant charge Yes Refrigerant cylinder Refrigerant charge Yes Yes Note 2 Leakage detector Gas leakage check Charging cylinder Refrigerant charge 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 General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 265 Use vacuum pump by attaching 5 Pipe bender 10 Hexagon wrench vacuum pump adapter 6 Level vial Opposite side 4mm 2 Torque wrench For 26 35 9 52 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run
63. soapy water Check places for vave Cover flare nut connections indoor unit Electric parts w Check places EE outdoor unit Fig 10 8 1 10 8 2 Test Operation To test the system press and hold RESET button for 10 sec There will be one short beep RESET FILTER TIMER OPERATION Ses Fig 10 8 2 10 8 3 Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Information The product was shipped with Auto Restart function in the OFF position Turn it ON as required How to Set the Auto Restart Press and hold the RESET button for about 3 seconds After 3 seconds three short electric beeps will be heard to inform you that the Auto Restart has been selected To cancel the Auto Restart follow the steps described in the section Auto Restart Function on Owner s Manual 10 8 4 Remote Controller Selector Switch Setting Remote controller selector switch If two indoor units are installed in the same room or adjoining rooms the second unit can inadvert ently receive a remote controller signal and start operation when operating the first unit This can be prevented by setting one of the indoor units and the corresponding remote controller to the B setting
64. to 1700 1 4 to 6 2 1 4 to 6 2 1 4 to 6 2 1 1 to 3 2 1 1 to 4 2 1 1 to 4 9 1 4 to 6 1 1 4 to 6 2 1 4 to 6 2 1 4 to 6 2 1 61 to 9 260 to 2170 1 61 to 9 260 to 2170 1 61 to 9 260 to 2170 1 31 to 3 220to 800 1 31 to 5 220 to 1400 1 31 to 7 220 to 1700 1 55 to 9 260 to 2150 1 55 to 9 260 to 2170 1 55 to 9 260 to 2170 1 55to 9 260 to 2170 2 units 2 units 2 7 3 7 4 5 5 1 5 2 5 2 5 2 2 7 3 7 4 5 Cooling 5 1 1 4 to 6 1 1 61 to 9 260 to 2150 5 2 5 2 5 2 2 7 3 7 4 5 5 1 5 2 5 2 5 2 lt Heating gt RAS M18GAV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode V status A A kW A W 4 0 0 7 to 5 2 1 10 to 7 88 1200 170 to 1700 5 0 0 7 to 6 5 1 10 to 11 73 1800 170 to 2530 5 5 0 7 to 6 9 1 10 to 11 73 1900 170 to 2530 6 5 0 9 to 8 2 1 30 to 11 09 1800 200 to 2390 6 7 0 9 to 8 5 1 30 to 11 36 1850 200 to 2450 6 7 0 9 to 8 5 1 30 to 11 36 1850 200 to 2450 6 7 0 9 to 8 5 1 30 to 11 36 1850 200 to 2450 4 0 0 7 to 5 2 1 06 to 7 54 1200 170 to 1700 5 0 0 7 to 6 5 1 06 to 11 22 1800 170 to 2530 5 5 0 7 to 6 9 1 06 to 11 22 1900 170 to 2530 Heating 6 5 0 9 to 8 2 1 24 to 10 6
65. wire Make absolutely sure that the leads form a loop Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward a Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger 4 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat exchanger rightward Hanged part 102 Part name Bearing Procedures 1 Follow to the procedure in the items D 2 Remove the two fixing screws used to secure the left edge panel of the heat exchanger and remove the two screws used to secure the bearing base 3 Raise 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 itin the main body After assembling the bearing base check that it is fitted into the stepped part of the drain pipe Bearinglbase 103 Remarks Bearing base Screw Bearing base Part name Fan mot
66. 0 1800 200 to 2390 6 7 6 7 6 7 4 0 5 0 5 5 6 5 6 7 6 7 6 7 2 units 0 9 to 8 5 1 24 to 10 87 1850 200 to 2450 0 9 to 8 5 1 24 to 10 87 1850 200 to 2450 0 9 to 8 5 1 24 to 10 87 1850 200 to 2450 0 7 to 5 2 1 01 to 7 23 1200 170 to 1700 0 7 to 6 5 1 01 to 10 76 1800 170 to 2530 0 7 to 6 9 1 01 to 10 76 1900 170 to 2530 0 9 to 8 2 1 19 to 10 16 1800 200 to 2390 0 9 to 8 5 1 19 to 10 42 1850 200 to 2450 0 9 to 8 5 1 19 to 10 42 1850 200 to 2450 0 9 to 8 5 1 19 to 10 42 1850 200 to 2450 The above specification values are those under the conditions Cooling Indoor DB WB 27 19 C Heating Indoor DB 20 C Outdoor DB 35 C Outdoor DB WB 7 6 C 0 Outdoor DB 7 C WB 6 C Air flow High Pipe length 7 5m x 2 Indoor DB 20 C 4 2 units oper lt Heating gt RAS M14GAV E 2 2 1 Operation Characteristic Curve lt Cooling gt RAS M14GAV E RAS M14GACV E y 9 DB 27 C WB 1 Outdoor DB 35 Indoor Air flow High Pipe length 7 5m x 2 2 units operating 80 90 70 80 90 50 60 70 40 Compressor speed rps Compressor speed rps Indoor DB 27 C WB 19 C Indoor air flow High Pipe length 7 5m x 2 2 units operating 7 c c lt
67. 062228 Base P C board 43050427 Sensor TO 4306A130 Terminal Block 9P 43050431 Sensor TGa Heat Pump 43068735 P C board Ass y MCC5009 43050432 Sensor TGb Heat Pump M14GAV E M14GACV E 43050428 Sensor TGa Cooling Only 43068738 P C board Ass y MCC5015 43050429 Sensor TGb Cooling Only 43065736 P C board Ass y MCC5009 M18GAV E M18GACV E 122 Cord Heater Installation Work Applicable Models RAS M14GAV E RAS M18GAV E 1 Required parts for installation work Recommendation Appendix The above products conform to RoHS 2002 95 EC Therefore when procuring and using the following recom mended parts at local site it is recommended to confirm each part conforms to RoHS before use Part name Cord heater Specifications Vendor Drain line heaters CSC2 1 5m 40W m by Flexelec com Please go to the following URL http www flexelec com Remarks Procured locally Thermostat US 622AXRLQE by ASAHI KEIKI Operating temperature on 4 4 C off 15 3 C A thermostat holder is incorporated with a thermostat in the package Please go to the following URL http www asahikeiki co jp product product html On self responsibility you can use a product manufactured by other company For example Texas Instruments if its characteristics are equivalent to those of ASAHI KEIKI However when the shape of the thermostat holder is different from that of ASAHI KEIKI
68. 08 ICO7 and TO1 are defective Push START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN21 and No 1 of CN23 DC 15 60V IC03 and IC04 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN13 is defective Push START STOP button once to start the unit Shorten the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition 1 Check whether or not the com pressor operates 2 Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat ex changer sensor is loose The connector is disconnected CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective If the above condition No 5 still continues start the unit in the following condition Set the operation mode to HEAT Set the preset temperature much higher than room tem perature Check whether or not the com
69. 16 to 85 Indoor unit B Outdoor unit 2 units 2 units 1 unit Heating 2 units 5 Current release This function prevents troubles on the electronic parts of the 1 The input current of the outdoor control compressor driving inverter unit is detected in the inverter This function also controls drive circuit of the compressor section of the outdoor unit speed so that electric power of the compressor drive circuit 2 According to the detected does not exceed the specified value outdoor temperature the specified value of the current is selected Outdoor temp To 3 Whether the current value exceeds the specified value or 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 eee eee which does not exceed the Capacity control continues specified value Cooling current Heating current Outdoor temp release value release value Reduce compressor speed 42 6 Release protective control by tempera ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Operation flow and applicable data etc In cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operat
70. 253 Bearing 4301V028 Holder Pipe 43049701 Pipe Shield 1 43049698 Pipe Shield 2 43047671 Pipe Outlet 2 43047672 Pipe Outlet 1 1 B16GKVP E M16GKCVP E 43049674 Spring Suction 1 2 B1OGKVP E B13GKVP E M10GKCVP E M13GKCVP E 43047673 Pipe Inlet 43044803 Evaporator 2 43044804 Evaporator 1 43039324 Guide Drain 43049728 Guide Drain Left 43019904 Holder Sensor 43049770 Holder Evaporator Right 43062256 Cover Terminal 43062247 Cover Lead 43082293 Plate Installation 43068577 Remote Controller 43083071 Holder Remote Comtroller 43003307 Body Ass y Back 43070188 Hose Drain 43079268 Cap Drain 43080516 Electrical Air Purifying Filter 43080527 Generator Ass y HV 4308N732 Owner s Manual Snes Indoor Unit 2 407 408 409 403 404 406 T EEE E N kn 410 405 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location Location Description No Description No 4306A123 Terminal Block 2P 4306S709 P C Board Ass y 43062263 Cover E Parts B10GKVP E M10GKCVP E 43050425 Sensor TC F6 43065710 P C Board Ass y 43050426 Sensor TA B13GKVP E M13GKCVP E 43065711 Board Ass y 43065728 Board Ass y WRS LED B16GKVP E M16GKCVP E 43051346 SW Micro
71. 3 8 70 mm 10 mm Earth line Q E 10 50 Fig 10 3 9 NOTE WIRE TYPE more than HO7 RN F or 245 IEC 66 1 0mm 10 3 5 Piping and Drain Hose Installation Piping and drain hose forming Since condensation results in machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear ight gt Rear left gt Eo Bottom left aA Sc m E Sg D Left mp OS mg Bottom right jme cc gt 9 Right mp C mm Fig 10 3 10 1 Die cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or side of thefront panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For left connection left bottom connection and rear left connection s piping it is necessary to relocate the drain hose and drain cap How to remove the drain cap Clip drain cap with needle nose pliers and pull out H H H H H Fig 10 3 11 How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Drain hose Fig 10 3 12 de
72. 5 To 10 5 lt To lt 5 5 lt 5 Econo operation To is abnormal To Outdoor sensor temp C RAS M14GAV E Compressor revolution rps Fan revolution To gt 10 C Normal operation 5 5 lt To lt 10 5 lt To lt 5 5 lt 5 To gt 10 C 5 5 To 10 5 To 5 5 To lt 5 Econo operation To is abnormal To Outdoor sensor temp C dis Operation flow and applicable data etc Description 4 Capacity 1 Indoor unit A and Indoor unit B control Outdoor unit determine the respective Indoor unit A instruction revolutions from the Inverter Compressor difference between the remote controller setting temperature Ts and the indoor temperature Ta and transmit this to the outdoor unit Operation No of Combination Compressor 2 The outdoor unit receives the mode operating unit of indoor units revolution rps instructions from the indoor units 13 2 and the inverter operates the 0 compressor at the calculated 13to 79 revolutions ia Cooling 1510 83 M18GACV E 15to 83 3 The compressor operation range 15to 83 in each operating mode is shown 15to 83 in the left table 13 to 76 13 to 99 13 to 102 Heating 15 to 120 15 to 120 15 to 120 15 to 120 4 unit 13 to 56 M14GAV E Cooling 13 to 74 M14GACV E 18to 74 18to 75 13 to 75 13 to 80 16 to 84
73. ART STOP button to return to the normal mode After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory After servicing press CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 11 4 1 Operation of diagnosis function Check Block Indoor PC board etc Cause of operation Short circuit or discon nection of the room temperature sensor TA sensor Air conditioner status Operation continues Remarks Displayed when error is detected Judgment and action Check the room temp sensor When the room temp sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Lock of indoor fan or trouble on the indoor fan circuit All off Displayed when error is detected Check the motor When the motor is normal check PC board Not displayed Trouble on other indoor PC boards Operation
74. Ass y 43067115 Clamp Cord 119 13 2 Outdoor Unit 25 26 47 14 16 18 20 ad The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No do ON OAR WD 43005657 43005642 43005658 43005634 4301V035 4301V053 43042489 43119471 43062262 43041634 43041635 43043750 43043752 37546845 43046442 43147196 43047401 43047676 43047677 43047679 43047680 43047674 43046444 43046443 Description Cabinet Front Cabinet Upper Cabinet Side Right Cabinet Side Left Guard Fan Guard Fin Base Ass y Cover Valve Packed Cover Wiring Ass y Compressor DA111A1F 20F1 RoHS M14GAV E M14GACV E Compressor DA130A1F 25F ROHS M18GAV E M18GACV E Condenser Ass y M14GAV E M14GACV E Condenser Ass y M18GAV E M18GACV E Valve Packed 6 35 Valve Packed 9 52 Bonnet 1 4 IN Bonnet 3 8 IN Nut Flare 6 35 Nut Flare 9 52 Cap Valve Packed 6 35 Cap Valve Packed 9 52 Cap Charge Port Valve 4 Way STF 0108Z RoHS M14GAV E M18GAV E Coil 4 Way valve M14GAV E M18GAV E Location No 37546848 37546849 43058277 4302C068 43020329 43047669 43039392 43004233 4301V063 43032441 43089160 4301P703 4301P729 43049749 43062176 43063321 43063322 43063325 43063320 43063339 43050407
75. Compressor revolution control Outdoor fan motor control 4 way valve control Outdoor unit control In cooling operation OFF In heating operation ON Pulse motor valve control 96 Operation flow and applicable data etc 1 Basic 4 AUTO operation 1 Detects the room temperature Ta when operation Selection of operation mode the operation started As shown in the following figure the operation starts by 2 Selects an operation mode from Ta in selecting automatically the status of room temperature the left figure Ta when starting AUTO operation 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then select an operation mode Monitoring Fan 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an Heating operation Heat pump model operation mode Fan only operation Cooling only model Cooling operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode DRY operation 1 Detects the room temperature Ta when DRY operation is performed according to the difference the DRY operation started between room temperature and the setup temperature as 2 Starts operation und
76. For R410A only Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin Fig 10 5 11 Tighten connections carefully between pipes and unit Evacuate the air in the connecting pipes using a VACUUM PUMP Check for gas leaks at all connections 70 Packed Valve handling precautions Open the valve stem all the way but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table Gas side 212 7 mm 50 to 62 Nem 5 0 to 6 2 kgf m Gas side 29 52 mm 33 to 42 Nem 3 3 to 4 2 kgf m Liquid side 06 35 mm 14 to 18 Nem 1 4 to 1 8 kgfem Service port 14 to 18 Nem 1 4 to 1 8 kgf m Hexagonal wrench is required Fig 10 5 12 10 4 5 Wiring Connection 1 Remove the valve cover the electric parts cover and the cord clamp from the outdoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit Insert the power cord and the connecting cable fully into the terminal block and secure it tightly with screws Insulate the unused cords conductors from water entering in the outdoor unit Locate them so that they do not touch any electrical or metal parts Secure the power cord and the connecting cable with the cord clamp Attach the electric parts cover and the valve cover on the ou
77. Green Flashing display 5 Hz Protective circuit operation for indoor P C board Which lamp does flash OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz NOTES 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing 78 11 4 Self Diagnosis by Remote Controller Check Code 1 2 If the lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller When the remote controller is set to the service mode the indoor controller diagnoses the operation condi tion and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes 5Hz during self diagnosis 11 4 1 How to Use Remote Controller in Servi
78. M cir ret este c te ERE e EO 46 11 Temporary operation a a a enne rrr nennen 47 12 Air purifying Control iie BERNY 47 Air purifying control Detection of abnormality eneen 48 13 Discharge temperature control ae eene enne nennen emnes 48 14 Pulse motor valve P M V control nennen vennneenenenerennnennensevennnennen eee 49 15 Glean operationi 2 2 ictu tpe err et nea eet ee eh ae eee 50 16 Clean operation release id tcr t Pr I Rea tek c t P PR rede Eee da 51 17 Select switch on remote controller ssssssssssssseeeneee eene nnne 52 AUTO Restart FOMCHON ite died sivas 53 9 3 1 How to Set the Auto Restart Function ccccccesesssesseeeeeeseesseneeeseeeseeeeseeeenseesneeseenenseenees 53 9 3 2 How to Cancel the Auto Restart Function 54 9 3 3 Power Failure During Timer Operation 54 FILTER Indicator iaai 54 9 4 1 How to Turn Off FILTER Indicator 54 Remote Controller and Its Fuctions nnnnnsnnnrennnnnnnnenneenenennnnnnnnnnnensennnnnnnnnnnnen 55 9 5 1 Parts Name of Remote Controller a annennenanneerennsensnnneensnnannnersnnaerennsensenaneenenannenr
79. OLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEAT REGISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CARE FUL NOT TO ALLOW THE SPECIFIED 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 PER SONNEL INJURIES INTHE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT WARNING Never modify this unit by removing any of the safety guards or bypass any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate The electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sur
80. P E RAS M10GKCVP E a re RAS M13GKCVP E Ullr RAS M16GKCVP E Plasma pure filter Front panel Indoor heat exchanger 250 Knockout system Remote controller holder 19 Installation plate Drain hose hanging section Outside length 0 54m Connecting pipe Connecting pipe Outside feng Oni Outside length 0 45m T Flare 29 52 Flare 06 35 RAS B16GKVP E 012 7 RAS M16GKCVP E 212 7 WH HO3JE Heat pump model 674 25 Parts name of remote controller WH H03JE Stud bolt hole Cooling only model for O6 Stud bolt hole for 8 to 210 Minimum distance Minimum distance to wall to wall Lower part A Outline of hanging section installation plate Center line Center line of installation plate 304 ues 4 2 Outdoor Unit RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models 25 drain hole 600 90 11 14U shape hole leg part for 28 210 anchor bolt 2 20x88 drain long hole lt 2 B oo G 858 82 lt 5 8 07 hole for fixing outdoor unit 11x14 long hole for 28 210 anchor bolt Packed valve cover 550 483 Charging port Fan guard 4 04 5 embossment Fin guard Connecting pipe port Pipe dia 6 35 Detailed A leg part Connecting pipe po Pipe dia 29 52 When i
81. RAS M18GAV E Electric characteristics Operation mode Cooling Heating Cooling Heating Outdoor Running current 4 87 4 64 4 44 4 43 4 23 4 04 7 12 6 80 6 50 8 28 7 91 7 57 220V 230V 240V Power consumption 1020 950 1540 1790 Power factor 95 97 98 98 Starting current 5 17 4 94 4 74 7 42 7 10 6 80 COP Cooling Heating 3 70 4 36 3 25 3 62 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Indoor High dBA 42 43 43 44 45 45 Cooling Heating Medium dBA 33 34 34 35 36 36 Operating noise Low dB A 27 27 27 27 29 29 Outdoor Unit model RAS M14GAV E RAS M18GAV E Cooling Heating 2 indoor units operating dB A 46 48 48 50 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Height 250 250 250 Dimension Width 790 790 790 3 33 33s Indoor unit Depth 215 215 215 Net weight 9 9 9 g9 Fan motor output 30 30 30 ZEE Air flow rate Cooling Heating 3 2 550 610 560 640 640 660 Unit model RAS M14GAV E RAS M18GAV E Height 550 550 Dimension Width 780 780 333 338 Depth 290 290 Net weight 36 40 Outdoor unit EE amp Motor output 750 1100 Compressor Type Twin rotary type with DC inverter varia
82. TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT TYPE lt Heat Pump Type gt lt Cooling OnlyType gt Indoor Unit Indoor Unit RAS B10GKVP E RAS M10GKCVP E RAS B13GKVP E 5 1 RAS B16GKVP E RAS M1I6GKCVP E Outdoor Unit Outdoor Unit RAS M14GAV E RAS M14GACV E RAS M18GAV E RAS M18GACV E mn CONTENTS 1 SAFETY PRECAUTIONS 3 2 SPECIFICATIONS scans o eas t voie etc Do ir metodi eui 5 3 REFRIGERANT R410A isis eeiam ocn e eo ra eso gene doe co sale eure ea ae 12 4 CONSTRUCTION VIEWS uci tics ne ctae oco dora unb eure ieiuna cua uh bocca ues 20 5 WIRING DIAGRAM e 22 6 SPECIFICATIONS OF ELECTRICAL PARTS 24 7 REFRIGERANT CYCLE DIAGRAM nnns 25 8 CONTROL BLOCK DIAGRAM neee nennen nennen nnne 30 9 OPERATION DESCHIPTION 33 10 INSTALLATION PROCEDURE nnee eneen eenen enee enen nnn 58 11 HOW TO DIAGNOSE 75 12 HOW TO REPLACE THE MAIN 98 13 EXPLODED VIEWS AND PARTS LIST 118 Cord Heater Installation Work Appendix 1 1 SAFETY PRECAUTIONS
83. YD 13A NYO Mad Mia X18 IHM WN ODON mE gt ejg 88 elen ma 3 mal OOR meid y LOE xx KAR 2 079 HM IHM INO 0010 VL HOSN3S OWHSHL ig 22 RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models 5 2 Outdoor Uni ZHO9 ZHOS AOPZ 0EZ 9 x MOTTJA TJA AVUO AHO NIddNS HOOONI HOOQNI TAGOW dINNd LV3H LX 3ONVHSO NHO Oa aas HIMOd OL OL NOLLVOIALLN3GI HOSSdHdlWNOo 10 IV LSOIWHSH L USUHMIHM yOVTE a TA TTET T e EIN ETC LEX CAL k LLJ L J L J LL LL J L J L J Ll LD sOSN3S 3dld H3SN3ONOO Ux Ed I 0 HOLOV3H BONE LED au Od LEL 9 0 j IHM IHM 3ooa1no OL IHM Mig 0 Old DL EONI ee ee mim M Nd bps NOLOV3M add HIAHOSAV JOUNS co Q e YOSNAS dW3 NOGZOV 2015 SV ve 9L 3S4 104 NES evo qo ren ZA INWA SOLON 35109 Ein INA HOLON 9109 HOLON NV4 L NA Ez 00 ia son 6006 1991 0O Pe RERO INS x18 OOEN 70d 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Parts name
84. a 4 6 c mc V 95 ones Ayoedey Capacity ratio 100 5 2 kW Outdoor temp ndi Indoor air wet bulb temp C 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerat ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause persona
85. and continues to operate FILTER TIMER OPERATION If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off mE ir When the system is operating Press RESET button for more than The unit is in operation three seconds Less than 10 seconds The green indicator is on The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times RESET FILTER TIMER OPERATION SS If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 9 3 3 Power Failure During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is can celled In that case set the timer operation again NOTE The Everyday Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure 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 How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indica tor is not lit the indoor unit will st
86. and tear the tip of lead wire in two then strip the covering part 4 Pass the stripped part through the thermal constringent tube 5 Cut the old sensor 100 mm length on the connector side and recycle that connector 6 Tear the lead wire in two on the con nector 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 10 Fix the sensor again box Remarks Cutting here Thermal 100 sensor part Connector 200 Cutting here foe Thermal constringent tube Cutting here 100 h aS Soldered part Doner Winding the color tape 1 Store the joint part of the sensor and the connector in the electric parts 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal 115 Outdoor unit Main P C
87. apply some treatment to No 14 thermostat fixing plate and then fix the holder Procured locally ES3 5000 250V 5A by NAGASAWA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally Fuse holder GM1H 02 by NAGASAWA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter 25 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 power cord to the thermostat fixing plate One piece is used to fix the power cord to the terminal fixing plate Procured locally Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter 29 1 Use equivalence with the above specifications One piece is used to fix the cord heater to the outdoor unit base plate Procured locally Self tapping screw type B 4 x 6mm truss head stainless These screws are used to fix the cord heate
88. art the automatic operation When you want a temporary operation while the FILTER lamp lights press RESET button to turn off the FILTER lamp See page 47 54 9 5 Remote Controller and Its Fuctions 9 5 1 Parts Name of Remote Controller 1 Infrared signal emitter Transmits signal to the indoor unit 2 5 button Press the button to start operation A receiving beep is heard Press the button again to stop operation A receiving beep is heard If no receiving sound is heard from the indoor unit press the button twice 3 Mode select button MODE Press this button to select a mode Each time you press the button the modes cycle in order from A Auto changeover control X Cool Dry X Heat and back to A A receiving beep is heard A 4 Temperature button A The temperature setting is increased to 30 C w The temperature setting is reduced to 17 C A receiving beep is heard 5 Fan speed button FAN Press this button to select the fan speed When you select AUTO the fan speed is automati cally adjusted according to the room temperature You can also manually select the desired fan speed from five available settings LOW _ 5 LOW gt MED MED Rn n gt HIGH _ Lamm A receiving beep is heard 6 Auto louver button SWING Press this button to swing the louver A receiving beep is heard Press this button again to stop the lo
89. ation work Part name Specifications Plus screwdriver It is used for disassembling and assembling of each cabinet Wrench It is used for disassembling and assembling of compressor fixing nuts Motor drill Drill diameter It is used to make the additional holes on the base or the side cabinet 3 2 and 5 0 R Faston crimping tool Fixing jig for 250 Close end connec tor crimping tool Cutting plier Stripper Cutter knife Insulation tape Metal cutting shears It is used to process the side cabinet L Appendix 2 Appendix 3 Cord heater installation wiring diagram Fuse Thermostat Cord heater Be sure to connect the fuse and the thermostat to LIVE side of the cord heater Outdoor unit Power supply for air conditioner Power supply for cord heater Earth leakage circuit breaker Earth leakage circuit breaker NOTE Separate the cord heater power from the air conditioner power 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 a failure When the cord heater has been mounted on a base plate
90. ble speed control Model DA111A1F 20F1 DA130A1F 25F Fan motor output E 43 43 Air flow rate 1820 2100 Type Flare connection Flare connection Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Indoorunit Liquid side Gas side 6 35 09 52 06 35 09 52 6 35 012 7 Unit model RAS M14GAV E RAS M18GAV E Outdoor unit Liquid side Gas side 6 35 9 52 06 35 9 52 Maximum length per unit Piping connection Maximum length total Maximum chargeless length total Maximum height difference Additional refrigerant 20g m pipe length 21m to 30m 20g m pipe length 21m to 30m Name of refrigerant R410A R410A Weight 0 90 1 20 Power supply 3 Wires includes earth Wiring connection Interconnection 4 Wires includes earth Usable temperature Indoor Cooling Heating 21 to 32 0 to 27 range Outdoor Cooling Heating 5 to 43 10 to 24 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Installation plate Wireless remote controller Batteries Remote controller holder Indoor unit Zeolite plus filter Plasma pure filter Remote controller holder mounting screw 2 03 1 x 16L 2 03 1 x 16L A n Owner s manual Mounting screw 6 04 x 25L 6 24 x 25L Installatio
91. board Operate the air conditioner in COOL mode by TEMP button Beep 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 ofcompressor Check condensation at outlet of P M V and then check operating pressure from the service port Replace valve Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged NO Check the operating pressure from service port and add gas if pressure is low 87 11 7 Trouble Diagnosis by Outdoor LED For the outdoor unit the self diagnosis is possible by five LEDs Red LEDs Red 009 to D13 are provided on the sub control board under surface of the inverter and as shown below they are checked from the wiring port when removing the wiring cover 1 If a trouble occurs LED Red goes on according to the trouble as described in the table below 2 When two or more troubles occur LEDs go on cyclically 3 Usually LEDs Red go off LED Reg D09 D10 D11 D12 D13 LED indication Contents Indoor alarm code D10 D12 Normal running IGBT short circuit Compressor motor rear short Trouble on position detecting circuit Trouble on current detecting circuit Condensor pipe temp sensor TE fault
92. ce Mode JN 1 Press CHECK button with a tip of pencil to set the remote controller to the service mode d idR sur is indicated on the display of the remote ESETO controller Press ON A or OFF Y button Dod If there is no fault with a code the indoor unit will beep keluron XX O HOF once Beep and the display of the remote controller will FT change as follows di gt Be ee 8 ji The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes 2 to 33 as shown in Table 11 4 1 Press ON A or OFF Y button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of the remote controller 2 digits alphanumeric will be indicated on the display Alphanumeric characters are used for the check codes All indicators on the indoor unit will flash t is 5 5 is 6 5 times per 1 sec H is A h is B i5 C is D dis n 3 Press START STOP button to release the service mode The display of the remote controller returns to as it was before service mode was engaged 4 Time shortening method 1 Press SET button while pushing CHECK button 2 Press START STOP button Fig 11 4 1 79 11 4 2 Caution at Servicing 1 2 After servicing press the ST
93. ce the lead wires connected to the cord heater thermostat may come into contact with the edges of the To keep the lead wires from coming into contact with the sheet metal or tips of the screws wrap the shield tubes edges of the sheet metal or tips of the screws wrap the around the leads to protect them and use the bundling shield tubes around the leads to protect them and use ties to secure them the bundling ties to secure them Incorporate front cabinet upper cabinet wiring cover water proof cover and valve cover as before In installation work connect power cord for the cord heater to another breaker separated from one for power cord of the air conditioner Appendix 8 Appendix 5 Drawing of thermostat fixing plate 5 8 37 2 3 4 burring hole 18 Upward 56 46 3 3 4 burring hole 18 Downward 45 Material SGCC Z08 Thickness 0 8t Appendix 9 Appendix 6 Diagram showing positions 3 2 mm holes to be additionally drilled in base plate M ia AN A K Appendix 10 This product is compliant with Directive 2002 95 EC and cannot be disposed as unsorted municipal waste TOSHIBA CARRIER CORPORATION e CHOME 12 328 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 1999 to 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
94. dia 9 52mm i ili di di Thickness 0 8mm X X OO Bb 57 X jm em nt e MEE EE I REL st Muffler 0 Split capillary 3 92 2 x 2006 TGb A valve i STF 0108Z Gent 3 Strainer aN a U Pul Muffler ulse motor d e 65 valve at liquid side 22 3 TD S 3 Split capillary Compressor 2 2 x 200 DA111A1F 20F1 1 Outdoor heat exchanger Lj 20 Temp measurement T2 T ium 1 One 1 Propeller fan Refrigerant amount 0 90k9 OUTDOOR UNIT NOTE Wb Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating NOTE The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g 2 05 RAS M10GKCVP E RAS M13GKCVP E RAS M14GACV E 4 T1 Temp measurement To B room Indoor heat exchanger af zc o Dp SUA mn 95 9 per 1 unit Deoxidized copper pipe amp 20m P Pressure measurement Both A and B PREP P o9 amp Total 30m Xe 5 Chargeless 20m Gauge attaching port Patan dia 6 35mm 5 Charge 20g m Vacuum pump connecting
95. do not mount the water proof cap and drain nipple which are provided with the outdoor unit on the base plate Appendix 3 Appendix 4 Cord heater installation work procedure No Photo Explanatory diagram Procedure Remove each cabinet inverter assembly motor base assembly and partition board assembly Do not damage the electric parts such as cables connectors etc while this work Remove the upper cabinet and the valve cover Related parts Screws list Used screw Part name Screw type Quantity Upper cabinet 4 x 8 5 Valve cover 4 x 1 1 1 1 Remove the front cabinet the wiring cover and the water proof cover Related parts Screws list Used screw Part name 1 2 Screw type Quantity Front cabinet O4 x 8 7 EEN Wiring cover ZA 8 2 Remove the side cabinet R L and the inverter Side cabinet R assembly Related parts Screws list Used screw Part name Screw type Quantity 1 3 Side cabinet R 4 x 8 Side cabinet L 4 x 8 Inverter assembly 4x8 Remove the inverter assembly Part name Connector No Connector color TE sensor CN600 White TD sensor CN601 White TO sensor CN602 White TS sensor CN603 White 1 4 4 way valve CN701 Yellow coil PMV coil CN700 White Fan motor CN300 White Compressor lead NJD A A oO Mm Intermediate connector White Reactor 2 pieces
96. e cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a con ventional flare tool be sure to secure dimen sion A by using a gauge for size adjustment Fig 3 2 1 Flare processing dimensions Table 3 2 3 Dimensions related to flare processing for R410A A mm Outer diameter mm Thickness mm Nominal diameter Flare tool for R410A Conventional flare tool clutch type Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 A mm Outer diameter mm Thickness mm Flare tool for R22 clutch type Clutch type Wing nut type Nominal diameter Conventional flare tool 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 3 2 5 Flare and flare nut dim
97. e fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locked 4 According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected Operation flow and applicable data etc 3 Outdoor fan Heating operation motor contro 1 Operation is performed at the MAX revolutions shown in the left tables for 3 minutes after compressor operation starts and for 1 minute after defrosting operation ends 2 Following 1 above operation is performed at the outdoor unit fan revolutions shown in the left tables according to the outdoor heatexchanger sensor TE sensor temperature TE Zone A Zone A The fan revolutions are decreased by 100 rpm every 20 seconds to the MIN revolutions When Zone A operation continues for 5 minutes the compressor is stopped and then restarted The fan revolutions are decreased by 100 rpm every 20 seconds to the MIN revolutions The fan revolutions are decreased by 50 rpm every 20 seconds to the MIN revolutions The fan revolutions are maintained at the current revolutions The fan revolutions are increased by 50 rpm every 20 seconds to the MAX revolutions RAS M18GAV E Compressor revolution rps Fan revolution To gt 10 C Normal operation 5 5 To lt 10 5 lt To lt 5 5 lt 5 To gt 10 C 5
98. e indoor units you must connect two indoor units With the RAS M14GAV E and RAS M14GACV E outdoor unit models the 13 13 combination is not an option With the RAS M18GAV E and RAS M18GACV E outdoor unit models the 13 16 or 16 16 combination is not an option The contents noted in this service manual limit the indoor units to the RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E and RAS M16GKCVP E For other indoor units that can also be used in combination see the service manual of each indoor unit Indoor unit File No RAS M10GDV E RAS M10GDCV E RAS M13GDV E RAS M13GDCV E A05 010 RAS M16GDV E RAS M16GDCV E RAS M10GKV E RAS M10GKCV E RAS M13GKV E RAS M13GKCV E RAS M16GKV E RAS M16GKCV E 2 1 Specifications lt Heat Pump Models gt RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M14GAV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Unit model RAS M14GAV E RAS M18GAV E Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Indoor Running current 0 15 0 15 0 15 220V 230V 240V Power consumption 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Unit model RAS M14GAV E
99. e remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature M WB 8 Fan speed L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Table 1 Indoor fan air flow rate RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Fan speed RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E level Fan speed Air flow rate Fan speed Air flow rate Fan speed Air flow rate rpm m3 h rpm m3 h rpm m3 h 38 olem Operation flow and applicable data etc Description 2 Indoor fan In heating operation gt Heat pump model 1 When setting the fan speed to L motor control L M M or H on the remote controller the operation is per formed 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 Indication Fan speed temperature and room temperature L wa 3 Min air flow rate is controlled by m temperature of the indoor heat L a L M 2 exchanger Tc as shown in Fig 4 M ag WA 4 Cold draft prevention the fan M ad M H 2 speed is controlled by temperature H aa WE of t
100. e surface of the front cabinet How to mount the water proof cover Part name Front cabinet Procedure 1 Detachment 1 Perform step 1 in D 2 Remove the fixing screws ST1T 4 x 8L 2 pcs used to secure the front cabinet and inverter cover the screws ST1TOA x 8L 3 pcs used to secure the front cabinet at the bottom and the fixing screws ST1T 4 x 8L 2 pcs used to secure the motor 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 Return the screws that were removed above to their original positions and attach them 108 Square hole Remarks Concave section Part name Inverter assembly Procedure 1 Perform work of item 1 in D 2 Remove screw ST1T 4 x 8L 2 pcs of the upper part of the front cabinet If removing the inverter cover in this condition P C board can be checked If there is no space above the unit perform work of 1 Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting
101. e 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 for telephone cables Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock CAUTION Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges 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 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 freezing of the bottom plate resulting in a trouble of the cabinet or fan
102. el opened YES Micro switch is stuck Replace the main P C board MCC5020 NO Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES NO Micro switch malfunction 1 Check operation while short circuiting CN34 of the main P C board 2 Perform air purifying operation by the remote controller when a signal is received the high voltage is not applied to electrode of the air purifier for approx 1 hour While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program n this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds If time on the reactivation preventive timer is not shortened 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body Replace micro switch Conduction check of micro switch Push the switch gt Release the switch OFF N Does the indoor fan rotate 9 YES Does the PURE indicator Blue NO To item Only indoor fan does not operate the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after Is DC 5V to DC 10V applied between 2 Brown Negative voltage it was ON and does the
103. emperature 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 returns to the usual control in heating operation R zone 7 Winding Coil heating control Operation flow and applicable data etc When the outdoor temperature is low the windings coils are heated to ensure compressor reliability Outdoor temperature To Winding Coil heating amount OFF Description Winding Coil heating is performed when the following conditions are met Condition 1 When the discharge sensor temperature Td is less than 30 C Condition 2 When 2 hours or more have elapsed after cooling dry or heating operation stops Condition 3 When the outdoor sensor temperature To is as shown in the left figure 8 Defrost control Only in heating operation Start of 0 o 2 o 2 E o i o o c o s o o o g 2 This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system heating operation Operation time DE Minute 97 40 The minimum value of Te se
104. emperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less 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 3 Types of flux Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing meth
105. en the preset temperature and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the difference between them gets smaller the horizontal louver returns automatically 3 Heating operation The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change 4 The Hi POWER mode can not be set in Dry operation 9 7 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation While heating operation is executed in two rooms if room temperature reached the setup temperature in one room and thermo off occurred the following operations start Refer to the figure below 1 The indoor unit of the room A room in which thermo off did not occur starts a continuous operation with the setup number of revolution 2 The indoor unit of the room B room in which thermo off occurred starts intermittent operation of the indoor fan The indoor fan operates with number of revolution of UL or SUL Fan ON time is 2 minutes and Fan OFF time is 2 to 4 minutes However if temperature of the indoor heat exchanger becomes over 55 C or more in B room the indoor fan stops the intermittent operation and starts continuous operation While heating operation is executed in two rooms if room temperature reached the setup temperature in both rooms and thermo off occurred both indoor units start intermittent operat
106. ennn 55 9 5 2 Name and Functions of Indications on Remote Controller eese 56 Hi POWER Mode Hi POWER button on the remote controller is pressed 57 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating 57 254 2 Operation flow and applicable data etc 1 Basic Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 A signal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below 4 The indoor controller controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Air direction Swing Air volume selec
107. ensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm ea Table 3 2 6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm lo 45 Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis C Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated 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 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market N m kgf cm Nominal Outer diameter Tightening torque diameter mm Nem kgf cm 14 to 18 140 to 180 16
108. er conditions in the shown below left figure according to the temperature In DRY operation fan speed is controlled in order to difference between the room tempera prevent lowering of the room temperature and to avoid air ture and the setup temperature Tsc flow from blowing directly to persons Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor p W5 W3 2 Fan speed S Operation flow and applicable data etc Description 2 Indoor fan In cooling operation gt motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase UH Ultra High control induction motor The fan rotates in 5 stages in H High MANUAL mode and in 5 stages in AUTO mode respec M Medium tively Table 1 M Medium L Low L Low L Low COLON UL Ultra Low SUL Super Ultra Low Fan speed setup MANUAL The fan speed broadly varies due to position of the louver etc The described value indicates one AUTO Indication Fan speed under condition of inclining LL W6 pies pics en setting the fan speed L L a L M 2 L M M or H on the remote M W9 controller the operation is performed with the constant M H 2 speed shown in Fig 1 WC 2 When setting the fan speed to AUTO on th
109. erence A or B 10 morless Maximum piping height difference between two rooms 10 m or 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 manufac tured 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 not fall and that the installer is protected When doing installation work at ground level it is usual to make wiring and pipe connections to the indoor units first and then to make connections to the outdoor unit However if outdoor work is difficult it is possible instead to make changes to the procedure For example by making adjustments to the wiring and piping lengths on the inside rather than the outside A place where the drain water does not cause any problems The outdoor unit should not be installed with one indoor unit only Be sure the outdoor unit is installed with at least two indoor units As shown in the figure position power cord and connecting cable downward and lead out along piping connection port Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant
110. f from the remote controller 2 A trouble detected within 1 minute When the breaker is turned ON In restart time after activation of the air is immedi after power failure or RESET button is pressed ately judged as an error and the while the FILTER indicator is turned on the air FILTER indicator goes on purifier is not turned on until the integrated 3 In case that 1 minute passed after operation time of the indoor fan exceeds 1 hour activation of the purifier the purifier is after operation start It is nor the air purifier turned off while the PURE indicator operation time keeps ON After 10 minutes passed It is the safety measures considering an incom restart the purifier and an error is plete drain when electric dust collector has been judged again cleaned with water Filter lamp ON Purifier power OFF YES 13 Discharge temperature control Purpose This function detects error on the refrigerating cycle or error on the com Judges as an error and stops the compressor pressor and performs protective control Td value Control operation Reduce the compressor speed Operation Reduce slowly compressor speed Control of the compressor speed The speed control is performed as described in the left table based upon If the operation is performed with lower speed than one the discharge temperature commanded by the serial signal speed is slowly raised up to the commanded speed Keeps the comp
111. f the connector CN300 Motor winding is 17 to 25Q it is normal Fan motor is normal Outdoor P C board error Fan motor error 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 97 12 HOWTO REPLACE THE MAIN PARTS WARNING Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flam
112. fully arrange the pipes so that none of the MUSS 2 ee Men pipes stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the Fig 10 3 21 insulating tape wound on the connecting pipe to avoid double taping at the joint moreover 2 seal the joint with the vinyl tape etc Since condensation can result in machine 3 performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it Put water in the drain pan and make sure that the water is being drained outside When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie cove 7 10 3 6 Indoor Unit Installation 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks Drain hose Inside the room N Extension drain hose 2 Swing the indoor unit to right and left to confirm Fig 10 3 22 that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate CAUTION Pull the indoor unit toward you to confirm that it is Install the drain pipe for proper drainage firmly hooked on the installation plate Improper drainage can result in water dripping Hook here inside the room CD Installation pate T
113. g This air conditioner must be grounded without fail Grounding is necessary not only to safeguard against the possibility of receiving an electric shock but also to absorb both the static which is generated by high frequencies and held in the surface of the outdoor unit and noise since the air conditioner incorporates a frequency conversion device called an inverter in the outdoor unit If the air conditioner is not grounded users may receive an electric shock if they touch the surface of the outdoor unit and that unit is charged with static 10 7 Check and Test Operation For R410A use the leak detector exclusively manufactured for HFC refrigerant R410A R134a etc The conventional leak detector for HCFC refriger ant R22 etc cannot be used because its sensi tivity for HFC refrigerant lowers to approx 1 40 of that manufactured exclusively for HFC refrigerant Pressure of R410A becomes approx 1 6 times that of R22 If installation work has not completely finished gas leaks may occur in cases such as when pressure rises during operation Check the flare nut connections valve stem cap connections and service port cap connections for gas leaks with a leak detector or soap water N Flare nut connections Indoor unit Flare nut connections Outdoor unit Valve stem cap connection Service port cap connection Fig 10 7 1 CAUTION Use a circuit breaker of a type that is not tripped by s
114. g to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market pe Table 3 2 1 Thicknesses of annealed c
115. ge temp All off exceeded 117 C Break down of All off compressor Displayed when error is detected 81 11 5 Judgment of Trouble by Every Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely lt Primary check gt 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly 4 Is the fuse FO1 blown Turn off power supply once and 5 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on Does power supply by pushing START STOP button on remote controller YES Unit operates normally Is fuse F01 of indoor control board blown Parts R04 R05 DB01 C01 Is voltage DC12V or 5V indicated on rear of NO on remote controller flash normally and is its signal transmitted properly C03 IC01 and T01 are defective Check Item Considerable principle cause Measures Item by symptoms transmission mark NO Remote controller is defective YES Refer to 5 Troubleshooting for remote controller Does fan motor connector between CN10 D short circuit YES indoor control board normal Is DC310 340V Replace main El P C
116. has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector Exclusive for HFC refrigerant Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in the U S s ARI specified rose color ARI color code PMS 507 Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 60 10 3 Indoor Unit 10 3 1 Installation Place A place which provides enough spaces around the indoor unit as shown in the diagram A place where there are no obstacle near the air inlet and outlet A place which allows easy installation of the piping to the outdoor unit A place which allows the front panel to be opened The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2m in height Also avoid putting anything on the top of the indoor unit CAUTION Direct sunlight on the indoor unit wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to r f sources For details see the owner s manual Remote controller Should be placed where there are no obstacles such as curtains that may block the signal Do not ins
117. he 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 Press in the electric dust collector until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 99 Part name High voltage generator Procedures 1 Follow to the procedure in the item D 2 Remove the drain guide 3 To remove the air ionizer from the back body pull it toward you while pressing down on its left and right claws Disconnect the two leads black 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 compo nents 5 Remove the fixing screw which secures the high voltage generator and remove the high voltage generator from the evaporator Press the claw here How to assemble the high voltage generator 1 Insert the high voltage generator straight into the evaporator and secure it using the fixing Screw 2 Pass the leads of the high voltage generator through the area designated and insert them
118. he indoor heat exchanger Tc as shown in Fig 6 TC 3 42 C Min air flow rate control NO Limited to Min WD tap No limit Fan speed TC 42 a 10 x WD W8 W8 In up operation 1 in down operation 0 Cold draft preventive control Basic fan control Line approximate H and SUL with Tc Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M L x 1 4 L No limitation while fan speed MANUAL mode is in stability Lun spend Mei doe A When Tsc gt 24 A is 24 and when Tsc 24 Ais Tsc 3 Fan speed M 2L x 3 4 Tsc Set value Calculated with linear approximation from M and L Fig 5 In starting and in stability In stability Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start FAN AUTO When 12 to 25 minutes passed after operation and room temp is higher than set temp 3 C start and room temp is 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual Room temp Set temp 4 C Room temp gt Set temp 3 5 C 39 Operation flow and applicable data etc The blowing air volume at the outdoor unit side is controlled Receiving the operation command from the controller of indoor unit the controller of outdoor unit controls fan speed For the fan motor a DC motor with non
119. he outdoor unit with the attachment bolts and nuts if the unit is likely to be exposed to a strong wind Use 28 mm or 10 mm anchor bolts and nuts If itis necessary to drain the defrost water attach drain nipple to the base plate of the outdoor unit before installing it 10 2 2 Accessory and Installation Parts Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty Drain nipple x 1 Heat pump models only Wireless remote control x 1 Plasma pure filter x 1 9 Battery x 2 Cum Mounting screw O4 x 25L x 6 Remote control holder x 1 gt Remote control holder mounting screw 3 1 x 16L x 2 This model is not equipped with an extension drain hose 59 Parts gt Water proof rubber cap x 2 Heat pump models only marked with asterisk are packaged with the outdoor unit lt Others gt Owner s manual Indoor unit Installation manual Indoor unit Ins tallation manual Outdoor unit Specifications Outdoor unit 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch In order to increase the pressure resisting strength of t
120. he refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model Changes Gauge manifold As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed Charge hose In order to increase pressure resisting strength hose materials and port size 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 pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Torque wrench nominal diam 1 2 5 8 The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part
121. his air conditioner has been designed to drain water collected from condensation which forms on Push unhook the back of the indoor unit to the drain pan Fig 10 3 19 Therefore do not locate the power cord and other parts at a high place than the drain guide For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Wall Drain guide Space for pipes Push Push Fig 10 3 20 Fig 10 3 23 65 10 4 Which Models Can Be Combined Heat pump Table of models that can be connected Outdoor unit RAS M14GAV E RAS B10GKVP E Indoor unit RAS B13GKVP E RAS M10GKV E RAS M13GKV E RAS M10GDV E RAS M13GDV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKV E RAS M13GKV E RAS M16GKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E Cooling only Heat pump RAS M14GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M10GDCV E RAS M13GDCV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M16GKCV E RAS M10GDCV E RAS M13GDCV E Table of models that can be used in combination Outdoor unit RAS M14GAV E RAS M16GDCV E Combinations of indoor unit models that can be connected 10 10 10 13 RAS M18GAV E 10 10 10 13 10 16
122. hock waves Incorrect incomplete wiring will cause electri cal fires or smoke Prepare the power source for exclusive use with the air conditioner Proceed as follows when connecting the product to the mains power Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa tion of at least 3 mm must be incorporated into the fixed wiring Utilize only approved short circuit breakers and switches A breaker having sensitivity of approxi mately 0 1 second or less and capacity of approximately 30 mA is usually used 10 7 1 Miswiring Mis piping Check Make sure that the wiring and piping for each room have the same alphabetical code A B Connect and secure 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 run ning Also check at this time that refrigerant which can be heard is not flowing Stop operation of the indoor unit in room A and execute the same checks on the indoor unit in room B 72 10 8 Test Operation 10 8 1 Gas Leak Test Check the flare nut connections for gas leaks with a gas leak detector and or
123. ifying operation alert the user to trouble in the ionizing or air purifying operation Description gee _ Trouble is determined to have occurred Total operation indicated by the FILTER indicator in the time 1000H following four cases NO 1 When a count of 1000H has been Purifier power ON reached on the timer 2 When the panel switch has been set to N OFF by the opening of the air inlet Error input grile etc YES 3 When an abnormal discharge caused by a symptom such as the build up of Purifier power ON Filter lamp OFF dirt has been detected while the air 1 minute or less continues purifier is ON YES 4 When the electric dust collector has not been installed correctly Trouble case 2 or 3 is deemed to have occurred when the action Purifier power OFF Purifier power ON concerned continues for more than after 10 minutes one second from the error input Operation The sequence that FILTER indicator is Filter lamp ON Error input ne turned on are described in the left flowchart 1 When 1000H timer counts up the Purifier power OFF Purifier power OFF FILTER indicator keeps lighting even if the operation is stopped by the remote controller Q 2 3 The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on 1 Reset by RESET button the indoor unit or a power failure 2 Reset by RESET button or by the stop direction FILTER indicator goes of
124. ion the sensor of indoor heat exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Reduction of compressor speed Description 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 capacity control operation returns to the usual control in cooling operation R zone In heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat ex changer detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control cd 1 When temperature of the indoor heat exchanger rises in the range from 50 C to 55 C the compressor 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 t
125. ion of the indoor fan A room Thermo ON continues 0 rpm Indoor fan Operates with setup number of revolution B room thermo OFF i B room thermo ON B room thermo ON Operated with setup number of revolution Thermo OFF Thermo ON Orpm Fan stop Fan stop Fan stop lt gt lt gt lt gt Ton gt Ton Ton T off T off T off T on 2 min n case which Tc sensor temperature exceeds 55 C T off time in B room the fan stops intermittent operation and lt 5 5 minh starts continuous operation with UL or SUL 1 5 To 10 3 min 10 lt To 4 min cB 10 INSTALLATION PROCEDURE 10 1 Safety Cautions Cc j 140 mm or more For the rear left and left piping Hook 47 mm or more 1 Installation plate Insert the cushion between the indoor unit and wall and tilt the indoor unit for better installation work Cut the piping hole slightly sloped Shield pipe for extension C ER a drain hose 5 Zeolite plus filter SS N 7 lt SSS 2 Ss Make sure the drain hose is LES EV sloped downward T ZZ SL f ELI f f _ The auxiliary piping be connected at the left rear left Air filters WS rear right right bottom right or aos bottom left as shown below Wireless 80 mm or more only remote controller when unobstructed to the front
126. ir purification Fan solo air purification Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last eaning operation Fan stopped Cooling Heating Stopped Cooling Cooling Cooling Heating Stopped Heating Stopped Cooling Cooling Stopped Stopped Stopped Heating Cooling Heating operation The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse motor valve and 4 way valve according to the operation signal sent from the indoor unit 1 The power coupler of 4 way valve is usually turned off and it is turned on during defrost operation Only in heating Operation ON Setup of remote controller Indoor unit control Indoor fan motor control Louver control Sending of operation command signal
127. ith the RAS M14GACV E For performance when each indoor unit is combined with other unit refer to the separate table The specifications may be subject to change without notice for purpose of improvement 7 2 2 Performance Specifications Combinations of Indoor Unit lt Cooling gt RASM14GAV E RAS M14GACV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode V status A B A kW A w 1 1 to 3 2 1 10 to 4 30 570 170 to 880 1 1 to 3 8 1 10 to 6 06 1100 170 to 1280 1 4 to 4 4 1 49 to 6 11 1070 230 to 1290 1 4 to 4 5 1 49 to 6 16 1080 230 to 1300 1 1 to 3 2 1 06 to 4 11 570 170 to 880 1 1 to 3 8 1 06 to 5 80 1100 170 to 1280 2 5 3 5 3 9 4 0 2 5 3 5 3 9 1 4 to 4 4 1 43 to 5 84 1070 230 to 1290 4 0 2 5 3 5 3 9 4 0 1 unit 2 units 1 unit Cooling 2 units 1 4to 4 5 1 43 to 5 89 1080 230 to 1300 1 1 to 3 2 1 01 to 3 94 570 170 to 880 1 1 to 3 8 1 01 to 5 56 1100 170 to 1280 1 4 to 4 4 1 37 to 5 60 1070 230 to 1290 1 4 to 4 5 1 37 to 5 64 1080 230 to 1300 1 unit 2 units Heating RAS M14GAV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode V status A B A kW A w 0 5 to 4 4 0 84 to 6 00 850 130 to
128. ker 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 characteristics 10 to 20 O when the multimeter probe is reversed 96 11 11 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several tens seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 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 detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble when rotating it with hands If the resistance value between 2 e lead White lead CN300 White lead Black lead Black lead Red lead o
129. l injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 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 occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrig eration cycle Otherwise 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 with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal accordin
130. mable 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 cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters and ae remove the electric dust collector Ll s E T 98 Part name Front panel Procedures 4 Press part under the front panel and remove hooks of the front panel from the installation plate Installation plate Front panel Press 5 Remove the front panel fixing screws 2 pcs 6 Press the electric parts box with the right thumb while pulling the both sides of the front panel toward you lt How to assemble the front panel gt Electric dust collector Remarks E no Az Electric dust collector V 1 Press three center positions and two lower center positions of t
131. motor assembly and side cabinet R L as original Fix the thermostat fixing plate to the side cabinet R built in the inverter assembly and then connect various cables After then incorporate front cabinet upper cabinet wiring cover and valve cover as before Return a set of the refrigeration cycle assembly into the outdoor unit base plate and assemble sound insulation board partition plate assembly fan motor assembly and side cabinet R L as original Using screws Self tapping screw type B 4 x 8mm stainless fix the thermostat fixing plate to the side cabinet R After incorporating the inverter assembly as before furthermore perform cable process for cord heater and power cord For the cord heater perform cable process so that there Perform cable process for collected is no looseness or sag at the fan side Cord fgater ana tan Motor canes Perform cable process for the cord heater together with the fan motor lead cable and collect the remained 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 Power cord for box fire may generate cord heater g Sin
132. n electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100040W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500uF 400V on PC board and then perform discharging Discharging position Discharging period 10 seconds or more Plug of soldering iron Inverter cover P C board Soldered surface A if Fig 11 3 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for controlling and main taining of air conditioner Table 11 1 1 Operation of air
133. n guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specified positions 113 Minus screwdriver Hooking claw t Part name Procedure TE sensor outdoor heat exchanging temperature sensor Attachment With the sensor leads pointing in the direction shown in the figure install the sensor onto the straight pipe part of the condenser output pipe Detail C for M18GAV E M18GACV E Detail C for M14GAV E M14GACV E TS sensor Suction pipe temperature sensor Attachment With its leads pointing downward point the sensor in the direction of the packed valve and install it onto the straight pipe part of the suction pipe TD sensor Discharge pipe temperature sensor Attachment Remarks Detail B Detail D Detail C Shown in the above figure is the model M14GAV E The sensor mounting positions in the model M18GAV E are all the same with the sole excep tion of the TE sensor Refer to the figure shown on the left With its leads pointed downward install the sensor facing dowmward onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the h
134. n manual 1 1 Unit model RAS M14GAV E RAS M18GAV E Installation manual 1 Outdoor unit Specifications Drain nipple Water proof rubber cap The RAS B16GKVP E cannot be used in combination with the RAS M14GAV E For performance when each indoor unit is combined with other unit refer to the separate table The specifications may be subject to change without notice for purpose of improvement a 1 1 2 lt Cooling Only Models gt RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M14GACV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Unit model RAS M14GACV E RAS M18GACV E Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Indoor 220V 230V 240V Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Running current 0 15 0 15 0 15 Power consumption 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Electric characteristics Outdoor 220V 230V 240V Unit model RAS M14GACV E RAS M18GACV E Operation mode Cooling Heating Cooli ng Heating Running current 4 87 4 64 4 44 7 12 6 80 6 50 Power consumption 1020 154 0 Power factor 95 98 Starting current 5 17 4 94 4 74 7 42 7 10 6
135. n operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control Cool Dry or Heat operation cannot be performed When the unit in other room operates previously in different mode Fan Only operation is performed be cause of first push priority control Cool operation and Dry operation can be concurrectly performed 77 11 2 Primary Judgment To diagnose the troubles use the following methods 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 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Block display Description for self diagnosis OPERATION Green Indoor indication Flashing display 1 Hz lamp flashes Power failure when power is ON OPERATION
136. n speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electrode with the human body Does the indoor fan rotate NO To item Only indoor fan does not operate YES Does the PURE indicator Blue NO the FILTER indicator oua 5 on Replace the main P C board MCC5020 YES Does the PURE indicator go off within 2 seconds after YES To item How to check whether it e FILTER the air purifier is good or not indicator Orange go on How to check output of minus ion Referring to the right figure check the lt Caution on High Voltage gt high voltage output of the air ionizer In this time peel the thermal insulator and attach x o o c o x it to the original position after check operation NOTE high voltage Use an exclusive high voltage tester otherwise unit the tester may be broken Does the electrode YES output approx 6kV No trouble Replace the high voltage generator o 2 2 Ly aw Cf High voltage tester 90 11 9 How to Diagnose Trouble in Outdoor Unit 11 9 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse Part No F01 Replace fuse Check electrolytic capacitor diode block DBO1 etc Check terminal voltage
137. nel Clip anchor ies far A local parts 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp Fig 05 3 Insert the connecting cable or as according to local regulations codes into the pipe hole on the wall CAUTION 4 Pull the connecting cable through the cable slot Failure to securely install the unit may result in on the rear panel so that it protrudes about personal injury and or property damage if the 15 cm out of the front unit falls 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws In case of block brick concrete or similar type 6 Tightening torque 1 2 Nem 0 12 kgfem walls drill 5 mm dia holes in the wall Insert clip anchors for the 2 mounting screws 8 7 Secure the connecting cable with the cord clamp Attach the terminal cover rear plate bushing and NOTE air inlet grille on the indoor unit Install the installation plate using mounting screws between 4 to 6 being sure to secure all four corners pu CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical regulations for any specific wiring instructions or limitations Terminal cover c v Screw Screw Cord clamp Terminal block Earth wire Connecting cable Terminal block Fig 10 3 7 Connecting cable About 15 cm Fig 10
138. neoiunuiuoo jeu Is Kajdsip 1043 Sirene 1 jnouio uonoeuoo 1 jonuoo duo 1 SAUP AIEE Jojpej GL 4osues i i 1 1 A lWd eBreyosig 49149Au09 C Y HT je Aouenbajj 1ndjno duie 1 JeeH 100pino Now a91 a vun NOW 01 uoneoiunuuuloo EUBIS Josues U IH l ynoulo s e91 v aye 94u09 l Josues dwe OJJUOD 99 p JUSIINI JOAO HDI 1 i edid apis seo 1 199 p JO4JUOD eseoja jueJuno ndu JUsIIND 1 i uonoun siseuiu s NIMd imu NS 8A19901 PUas ole IN ial i i 8 O d ans 6009 09 8 O d ANS 9108 22 2 cu eee J ZH09 OEE ZHOS 0 0 WvH5VIG O18 1OHLINOO 32 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 13 to 115 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the
139. nit are connected to the outdoor unit correctly Problems caused by indoor units being connected to the outdoor unit incorrectly are very common in multiple unit installations The length and height differences of the connect ing pipes between the indoor and outdoor units must be within the ranges indicated below Total piping length Two room A B Multi This air conditioner accepts a connection piping length of up to 30 m There is no need to add refrigerant as long as the length of the connection piping is 20 m or less 80 mm or more only when unobstructed to the front and both sides 50 mm or more from wall Installation diagram of outdoor units In principle TOM open 100 mm or more from wall 22 22222 200 SS SS 22 N WS AS S When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure Ensure sufficient space to allow drainage Fig 10 5 1 2 250 from wall Power cord Outdoor o A unitl E Extension drain hose o Option RB 821SW ix A 7 You will need to add 20 g of refrigerant per meter of added connection piping for installa tions requiring connection piping to be between 21 m to 30 m Minimum piping length A or B 2 m or more Maximum indoor piping length A or B 20 morless Maximum piping height diff
140. nsor 10 to 15 minutes after start of operation is stored in memory as TeO Table 1 When Te0 TE gt 2 5 continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts When TeO TE gt 3 continued for 2 minutes in C zone defrost operation starts 44 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 or C zone each Table 1 lt Defrost operation gt Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert OFF 4 way valve 10 seconds after stop of the compressor 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 gt Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes Returning from defrost operation 1 Stop operation of the compressor for approx 50 seconds 2 Invert ON 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compres
141. nstalling the outdoor unit leave open in at least two of directions A B C and D view shown in the figure below x Mounting dimensions of anchor bolt e Outside line of product 600 D 50 or more i Intake 250 or more ssl 2 11x14U Shape hole for 28 210 anchor bolt Intake lt gt Outside line 8100 or more 320 l Outside line 1fMinimum See 200 or more ip 2 11x14 long hole Outlet for 8 210 anchor bolt Detailed Bleg part zo 5 WIRING DIAGRAM Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Heat pump models 5 1 M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Cooling only models RAS YOLOW HAANOT ZZ VASVAN PAY al hs TSA bed 13A POWER SUPPLY CIRCUIT IHM 80ND 0Z0S OOWN ES euj I i AzLOa toga uan INI M20 18 WNINYAL HOOQNI Joopino OL J pem SVN ory 7 Iv NN IN N VNV col VNV Y e 21 uOSN3S H35NVHOX3 1V3H xg e 13A Nddu9 8NYD Nid AVHD MOTIAA Wddnd 39NVHO NMOUWUS 3LIHM 10109 ANd A
142. nverter input overcurrent AC 25V 25A For protection of power source AC 250V 6 3A Electrolytic capacitor LLQ2G761KHU DC 400V 760F IGBT Q200 Q205 GT20J321 600V 20A Compressor M18 DA130A1F 25F 3 phases 4 poles 1 100W Compressor M14 DA111A1F 20F1 3 phases 4 poles 750W Compressor thermo US622KXTMQO OFF 125 4 C ON 90 5 C Rectifier DBO1 DB02 D25 X B60 Diode 600V 25A IGBT Q404 GT40Q321 or GT30J121 IGBT 600V 40A Reactor Main CH 57 L 10mH 16A Reactor Sub CH 43 Z T L 10mH 1A Coil for P M V CAM MD12TF DC 12V Coil for 4 way valve VHV AC 220 240V NOTE 1 Heat pump models only 24 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram RAS B10GKVP E RAS B13GKVP E RAS M14GAV E 1 T1 Temp measurement To B room Indoor heat exchanger lt ee 56 9 per 1 unit Deoxidized copper pipe 8 Max 20m P Pressure measurement E Both A and B uia P o9 amp Total 30m Gau NA NA dia 6 35 NA NA oclo Chargeless 20m ge attaching port Yi Y uter dia 6 YN Ni 5 Charge 20g m Vacuum pump connecting port yt Thickness 0 8mm 80 21 to 30m Deoxidized copper pipe IE Sectional shape IE IF lt 5 5 Both rooms rh of heat insulator tft ili a IU
143. ock so remove it while pushing the part indicated by an arrow Be sure to remove the connector by holding the connector not by pulling the lead wire Part name Control board assembly Procedure 1 Disconnect the leads and connectors connected to the other parts from the control board assembly 1 Leads 3 leads black white orange connected to terminal block Lead connected to compressor Disconnect the connector 3P Lead connected to reactor Disconnect the two connectors 2P 2 Connectors x8 Main P C board CN300 Outdoor fan motor 3P white See NOTE CN701 4 way valve 2P yellow Sub P C board TE sensor 2P white CN11 PMW 6P white CN12 PMV 6P red CN04 TS sensor white CNO2 TD sensor white CNO3 TO sensor 2P white CNO5 TGa sensor yellow CN14 TGb sensor 3P red CN10 Case thermo 2P blue Lead for communication CN13 Lead for AC power supply These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the PC board base Remove the heat sink and control board assem bly while keeping them screwed together Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws u
144. od 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 Nitrogen in order to prevent backflow of 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 m Hr or 0 02 MPa 0 2kgf cm 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 completely after brazing Copper Iron Silver Paste flux Iron Iron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 19 4 CONSTRUCTION VIEWS 4 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKV
145. of the air conditioner 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches that hold the indoor unit facing out 2 To mount the installation plate on a concrete wall NOTE use anchor bolts Drill the anchor bolt holes as Wire type SNS Inthe apeve More than HO7RN F or 245IEC66 1 0mm 3 Install the installation plate horizontally and level 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 discon nects all poles and has a contact separa CAUTION When installing the installation plate with mount ing screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit Dd breaker or switch must be used Anchor bolt Connection with power supply plug EE Attach power supply plug with power cord er and plug it into wall outlet An approved x Q power supply cord and plug must be used a NOTE Perform wiring work being sure the wire length is Fig 10 3 4 long enough 5 mm dia hole 10 3 4 Wiring Connection How to connect the connecting cable Mounting screw 4 x 25L Wiring the connecting cable can be carried LN out without removing the front pa
146. off Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace P C board Measure resistance between wires of compressor and perform short circuit Replace compressor Even if trying operation again all operations stop immediately Replace P C board Check 5 serial LED 1 Check sensors TE TS 2 Check P C board Current detect circuit All off Displayed when error error is detected Being out of place All off disconnection or short circuit of the outdoor temp sensor Ts Displayed when error is detected a mn A Displayed when 1 Check discharge temp sensor error is detected TD 2 Check P C board Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor Disconnection or short All off circuit of discharge temp sensor Outdoor fan drive All off system error Displayed when error is detected X Li Outdoor temp sensor Operation 1 Check outdoor temp sensor error continues TO 2 Check P C board Check 5 serial LED When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on P M V 1 Repeat Start and Stop with interval of approx 10 to 40
147. older onto the heat exchanger TGa TGb sensor Gas side pipe temperature sensor Attachment With its leads pointing downward point the sensor in the direction of the front cabinet and install the sensor onto the straight pipe part of gas side pipe Match the sensor protective tube colors with the pipe marking colors and install the sensors TGa is yellow and TGb is red Detail B Detail A TS sensor TD sensor CAUTION Arrow E Detail D TO sensor TGa TGb sensor 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 shocks and or a fire After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions 114 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD TGa TGb These are parts for servicing sensors Please check that the accessories shown in the right table are packed Procedure 1 Cut the sensor 100 mm longer than old one 2 Cut the protective tube after pulling out it 200 mm 3 Move the protective tube toward the thermal sensor side
148. oldering iron OK if 760uF gt 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 770 Should be 10MQ or more Diagnosis Process flowchart Contents Summary Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester board assembly Is not short circuited OK if 0 510 gt 0 570 between windings Check by a digital tester Check compressor Winding is not opened winding resistance Operation Remove connector CN300 of the outdoor fan motor turn on the power supply breaker Replace Replace and perform the operation control board compressor Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped 11 10 How to Check Simply the Main Parts 11 10 1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing the front panel or the board be sure to shut off the power supply breaker 2 When removing the P C board 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 discoloration
149. on switch on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps and the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation setting Indoor P C board 2 STel or i CN22 CN05 LIC CNO1 CNO8 C21 C24 C20 51 remote controller Press the operation button on the remote controller Select B as the setting for one of the two indoor units and for the remote controller See below for details Both indoor units start operation o wem Operation flow and applicable data etc Description 17 Select switch on Purpose This operation is to operate only one indoor unit using one remote controller Description When operating one indoor unit in a situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating Operation Unnecessary set Remote controller select The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control ler also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display ipower Eco
150. opper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a 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 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter copper pipe jointed mm mm 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump 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 procedures and precautions a Cutting the Pipe By means of a pip
151. or Procedures 1 Follow to the procedure in the item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward In assembling work install the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at 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 Secure using L the fixing screw Screw Secure using PRO the fixing screw Fan motor leads Remarks Cross flow fan 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 left side of the heat exchanger and pull out the cross flow fan 104 Part name Cross flow fan Procedures lt Caution at reassembling gt 1 At assembling work of the bearing base check that the drain pipe is surely incorpo rated in the back body Otherwise water leak is caused 2 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figu
152. or flash NO To item Power supply is not turned on YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit 2 of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between GREIDE IPV and Brown GND of CN1 of the Replace the power P C board MCC5020 or the housing assembly NO high voltage generator in the air purifier YES Primary check Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened NO Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES XES Micro switch is stuck Replace micro switch ND Micro switch malfunction Conduction check of micro switch Push the switch ON gt ON 1 Check operation while short circuiting CN34 of the main P C board Release the switch 2 Perform air purifying operation by the remote controller n this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds when a signal is received If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour While the air purifier operates check that the fa
153. ormed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Terminal block at indoor side Red 9 O J S5277G or equivalent G or J type 5277G Diode with rated voltage of 400V White or more is acceptable D Terminal block Tester Normal time Voltage swings between DC15 and 60V Inverter Assembly check 11 9 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started Check procedure Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 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 Gas leak P M V is defective Miswiring of connecting wires of indoor outdoor units M Refer to the chart in 11 6 Clogging of pipe and coming off of TC sensor 86 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt 1C Disconnection of TGa sensor Discharge temp
154. outdoor unit base plate with P shape clamp Insert the PVC tube into the cord heater This tube is designed to protect the cord heater from the fixing screws used to secure the anchoring feet As shown in the left figure install the cord heater 1 5m to the outdoor unit base plate by using P shape clamp and screws Self tapping screw type B 4 x 6mm stainless Pay attention to the direction of P shape clamp so The PVC tube must be inserted that it is set to the same direction in the left figure into the cord heater between the fixing screws in order to protect ite cord heater from If the drain port is frozen due to installation these screws status etc draw around the cord heater so that Under no circumstances must the end part of the heater is inserted into the the tube be allowed to ride over drain port In this case add some fixing the tip of the fixing screws 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 outdoor unit base plate at the fan room side or near it within 20cm from the outdoor unit base plate Be careful that the cord heater does not hit the arked pa EL of marked part Fix the cord heater without any loosening or sag Drill a hole on the side cabinet R for fixing the thermostat fixing plate 5 hole at
155. ove the fixing screw ST1T 4 x 8L 2 pc used for securing the side cabinet to the bottom plate and heat exchanger The back body section is hooked onto the bottom plate here Detail A Detail B Detail C 1 Perform work of item 1 of D and 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 2 pc holding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem Fan motor edis Part name Compressor Procedure 1 Perform work of item 1 of CD and 0 6 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 8L 3 pcs 4 Remove the sound insulation material 5 Remove 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 malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST1T 4 x 8L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x 8L 1 pc 9
156. pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Motor Valve 49 em Operation flow and applicable data etc Description 15 Clean operation Purpose The clean operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation Clean operation When the cooling or dry operation shuts down the unit automatically starts the Press STOP button 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 Only S CLEAN indicator lights and clean operation starts clean operation stops The clean operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller is received the S CLEAN indicator green on the main body lights and the clean operation starts Operation stops Neither the OPERATION indicator nor the TIMER indicator light 2 The period of the clean operation is determined by the duration of the operation performed prior to the During clean operations The louver opens reception of the stop code slightly The indoor fan operates continuously at 3 After the clean operation has been a speed of 260 rpm performed for the specified
157. plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall follow the steps below to drain off the water Proceed with water proofing by installing the water proof rubber caps in the 2 elongated holes on the base plate of the outdoor unit How to install the water proof rubber caps 1 Place four fingers into each cap and insert the caps into the water drain holes by pushing them into place from the underside of the base plate 2 Press down on the outer circumferences of the caps to ensure that they have been inserted tightly Water leaks may result if the caps have not been inserted properly if their outer circumfer ences lift up or the caps catch on or wedge against something Water proof rubber caps supplied with the outdoor unit Fig 10 5 3 Install the drain nipple and a commercially available drain hose with 16 mm inside diam eter and drain off the water For the position where the drain nipple 9 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 Base plate 9 Drain nipple Z Commercially available x drain hose Do not use ordinary garden hose but one can flatten and preven
158. r The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller The current operation mode The current compressor revolution Outdoor temperature Existence of protective 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 assumed as a trouble Operations followed to judgment of serial signal from indoor side 9 2
159. r to the outdoor unit base plate with P shape clamp Procured locally Self tapping screw type B O4 x 8mm truss head stainless Two screws are used to fix the thermostat fixing plate to the side cabinet R One screw is used to fix the power cord to the thermostat fixing plate One screw is used to fix the power cord to the terminal fixing plate Procured locally Self tapping screw type B 23 5 x 6mm pan head These screws are used to fix the thermostat to the thermostat fixing plate with the thermostat holder Procured locally Faston 250 They are used for the connecting part to the thermostat Procured locally Sleeve for Faston UL sleeve for 250 Procured locally Close end connector Use the most appropriate connector with the power cord diameter Appendix 1 Procured locally Appendix Part name Specifications Vendor Remarks Power cord 2 cores x 0 75mm or more HOSRN F Procured locally Thermostat Material SGCC Z08 Board thickness 0 8t Procured locally fixing plate Drawing attached PVC tube Inside diameter 8 x outside diameter 11 x 70 mm Procured locally Shield tube Inside diameter 18 x outside diameter 26 x 70 mm Procured locally Material Polyethylene foam Bundling tie Bundling tie for securing the wires Procured locally Material 6 6 nylon NOTE The parts on the above table are recommended parts 2 Required tools for install
160. re and then install the fan motor Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 5 mm 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 Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at 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 U groove 105 Remarks 12 2 Microcomputer Part name Procedure Remarks Common procedure 1 Turn the power supply off to stop the Replace terminal block operation of air conditioner microcomputer ass y and the 2 Remove the front panel P C board ass y Remove the 2 fixing screws 3 Remove the electrical part base P C board layout gt ROS 101 C01 CN23 FUSE R04 R01 CN10 IC01 C20 ICOS J04 106 12 3 Outdoor Unit Part name Common procedure Procedure 1 Detachment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch
161. ressor speed Operates with speed commanded by the serial signal 48 Operation flow and applicable data etc Description 14 Pulse motor This function controls throttle amount of the 1 When starting the operation move the valve P M V refrigerant in the refrigerating cycle valve once until it fits to the stopper control According to operating status of the air conditioner Initialize this function also controls the open degree of valve In this time Click sound may be with an expansion valve with pulse motor heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during Move to preparation for defrost and during defrost initial position operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the Compressor ON thermostat or by remote controller adjust the open degree of valve to the setup Discharge SH control temp control value before stop of the compressor PMV open degree control Stop by Room temp sensor remote controller Ta sensor control Power OFF Defrost SH Super Heat amount Ts Temperature of suction
162. rging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Water heat exchanger unit Outdoor unit Refrigerant cylinder with siphon Open close valve for charging T Electronic balance for refrigerant charging Service port Fig 3 4 1 Configuration of refrigerant charging muc 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit JepuiAo Refrigerant jue1eBujeH cylinder Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies
163. sed to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the P C board is inserted properly into the P C board support groove Disconnect the connectors Remove the two screws PT2F 4X10MS ZN then remove the Sub PC board base while disengaging the claws from the square holes Disengage the two claws of the Sub P C board base and remove the Sub PC board dons Remarks Main P C board Ty lap tie Connector Two claws Two screws PT2F 4X10MS ZN CN02 CNO1 Ee Een ones CN10 CNO7 CN12 CN13 Sub P C board CN300 CN701 CN600 and CN603 are connectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out d P C board base P C board Remarks Part name Procedure 1 Side cabinet right 1 Perform step 1 in and all the steps in Side cabinet 2 Remove the fixing screw ST1T 4 8L 5 pcs used for securing the side cabinet to the bottom plate and valve fixing panel 2 Side cabinet left 1 Perform step 1 in ixi Hook the claw 2 Remove the fixing screw ST1TO4 x 8L 1 pcs used to secure the side cabinet plate here left onto the heat exchanger 3 Rem
164. sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Operation control of outdoor fan motor e P M V control 4 way valve control 1589 Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller Detection of outdoor temperature and operation revolution control Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controlle
165. side 6 35 09 52 06 35 09 52 6 35 012 7 Outdoor unit Unit model RAS M14GACV E RAS M18GACV E Liquid side Gas side 6 35 09 52 06 35 09 52 Maximum length per unit Piping connection Maximum length total Maximum chargeless length total Maximum height difference Additional refrigerant 20g m pipe length 21m to 30m 20g m pipe length 21m to 30m Name of refrigerant R410A R410A Weight 0 90 1 20 3 Wires includes earth 4 Wires includes earth Power supply Interconnection Wiring connection Usable temperature Indoor Cooling Heating 21 to 32 0 to 27 range Outdoor Cooling Heating 5 to 43 10 to 24 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Installation plate Wireless remote controller Batteries Remote controller holder Indoor unit Zeolite plus filter Plasma pure filter Remote controller holder mounting screw 2 3 x 16L Owner s manual 2 93 1 x 16L 1 2 83 1 x 16L 1 Mounting screw 6 24 x 25L 6 24 x 25L 6 24 x 25L Installation manual 1 1 1 Unit model RAS M14GACV E RAS M18GACV E Installation manual Outdoor unit Specifications Drain nipple Water proof rubber cap The RAS B16GKCVP E cannot be used in combination w
166. sor starts 9 Louver control 1 Louver position bem Operation flow and applicable data etc 1 Louver position in cooling operation This function controls the air direction of the indoor unit The position is automatically controlled according to the operation mode COOL HEAT The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling heating memory position The angle of the louver is indicated as the horizontal angle is 0 When the louver closes fully it directs approx 49 upward Horizontal 0 Louver angle Powerful Room temp Ta lt Set temp Tsc 3 5 lt Room temp Ta Set temp Tsc 3 5 lt A Initial setting of Cooling storage position Louver Directs downward 9 Cooling AUTO COOL DRY operation Cooling memory position Initial setting of Cooling storage position Louver Directs downward 9 Room temp Set temp 3 5 position Inclined blowing 2 Louver position in heating operation Heating operation AUTO HEAT Cooling memory Inclined blowing Louver Directs downward 14 Room temp gt Set temp 3 5 ECO operation Room temp Ta lt Set temp Tsc 3 or 25 minutes after start of operation 7 4 Room temp Ta gt Set temp Tsc A Initial se
167. stage variable speed system is used However it is limited to 8 stages for reasons of controlling 3 Outdoor fan motor control Air conditioner ON Remote controller Indoor unit controller 1 Outdoor unit operation command Outdoor fan control 2 Fan speed gt 400 YES when the motor stopped NO OFF status of fan motor continues Fan motor ON 3 Fan lock NO YES Air conditioner Alarm OFF display 4 Motor operates as shown in the table below Cooling operation dry operation RAS M18GAV E RAS M18GACV E Compressor revolution rps To gt 38 C 28 lt To lt 38 15 lt To 28 10 lt To lt 15 5 5 To 10 Normal operation 0 lt 5 5 Econo To 38 C operation To 38 C To is abnormal To Outdoor sensor temp C rpm RAS M14GAV E RAS M14GACV E Compressor revolution rps To gt 38 C 28 lt To lt 38 operation 10 To 15 5 5 To 10 0 To 5 5 Econo To 38 C operation To 38 C To is abnormal To Outdoor sensor temp C rpm 40 Description 1 The operation command sent from the remote controller is processed by the indoor unit controller and transferred to the controller of the outdoor unit 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether th
168. t AUTO LOW LOW MED MED HIGH ECO ON timer setup OFF timer setup High power Indoor unit Signal receiving Indoor unit control Command signal generating function of indoor unit Indoor unit control operation Calculation function temperature calculation Indoor fan motor Activation compensation function of indoor fan Louver motor Operation command Cold draft preventive function Timer function Serial signal send receive Indoor heat exchanger release control Clean function Bi Outdoor unit Serial signal send receive Outdoor unit control Frequency control of inverter output Waveform composite function Calculation function Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick heating function Pulse motor valve Delay function of compressor reactivation P M V Current release function GTr over current preventive function Defrost operation function 295 Operation flow and applicable data etc 1 Basic operation 2 Operating mode selection when performing 2 roomoperation 1 The outdoor unit operating mode conforms to the instructions of the indoor unit that was pressed first 2 When combined operation consisting of cooling dry and heating fan air purification and heating or cleaning operation and heating is performed operation conforms to the instructions of the indoor unit that was pressed
169. t water from draining Fig 10 5 4 10 5 3 Refrigerant Piping Connection Flaring 1 Cut the pipe with a pipe cutter Fig 10 5 5 p J COD 77 JD 2 Insert a flare nut into the pipe and flare the pipe Projection margin in flaring A Unit mm Rigid Clutch type R410A Outer dia of copper pipe tool used Conventional tool used 1 0 to 1 5 1 0 to 1 5 Imperial Wing nut type Outer dia of copper pipe 1 5 to 2 0 1 5 to 2 0 Flaring size B Unit mm 2 0 to 2 5 1 0 to 1 5 Die Pipe Fig 10 5 6 Fig 10 5 7 Outer dia of copper pipe n case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that of R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as much as pos sible with your fingers Then tighten the nut with a wrench and torque wrench as shown in the figure Half union 7 Flare nut Externally Internally threaded side threaded side Use a wrench to secure Use a torque wrench to secure Fig 10 5 8 CAUTI ON Do not apply excessive force Otherwise the nut may break Outer dia of copper pipe 26 35 mm Unit N m
170. tall the remote controller in a place exposed to direct sunlight or close to a heating Source such as a stove Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote controller should be determined as shown below Side view opvew 4 _ Indoor unit lt Indoor unit Reception Reception Remote range range controller Remote controller Axial distance Fig 10 3 1 10 3 2 Drilling a Hole and Mounting Instal lation Plate Drilling a hole When install the refrigerant pipes from the rear The center of the f 0 tx o6 pipe hole P Fig 10 3 2 1 After determining the pipe hole position on the installation plate gt drill the pipe hole 065 mm at a slight downward slant to the outdoor side 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 Mounting the installation plate Anchor bolt holes Pipe hole Indoor unit 7 Mounting screw 1 Installation plate Fig 10 3 3 61 1 When the installation plate is directly 10 3 3 Electrical Work mounted on the wall 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
171. tdoor unit Stripping length of connecting cable Terminal block 2 3 eal tea BIE A 5 AN AN TE gt Power cord Connecting cable Connecting cable for unit A for unit A Fig 10 5 13 m W E 10 Y 10 Y 10 40 40 30 Connecting Earth line cable Power cord Earth line Fig 10 5 14 Model RAS M 14GAV E 18GAV E 14GACV E 18GACV E 220 240 50 Hz Power source 220 V 60 Hz Maximum 12A running current Installation fuse rating 25A D type Power cord HO7RN F or 245IEC66 1 5 mm Connection HO7RN F or 245IEC66 1 0 mm cable 71 CAUTION Incorrect wiring connection may cause electri cal 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 25 D type ee must be used for the power supply line If incorrect or incomplete wiring is carried out fire or smoke may result Prepare the power supply for the exclusive use of the air conditioner This product can be connected to the main breaker Connection to fixed wiring A switch which disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring when connect ing to a main breaker circuit 10 6 Groundin
172. the tester TO discharge temperature Normal temperature sensor TD suction tempera ture sensor TS outdoor heat exchanger temperature sensor TE TD kQ A room gas side temperature TGa TGb Cooling only sensor TGa B room gas TO TE TS kQ side temerature sensor TGb TGa TGb Heat Pump kQ 4 way valve coil Measure the resistance value of winding by using the tester Model VHV 8 1435 144 Q Under 20 C Pulse motor valve coil Measure the resistance value of winding by using the tester Model CAM MD12TF 6 Red White White Orange Blown Yelloow Blown Blue 42 to 50kQ Under 20 C 11 10 5 Checking Method for Each Part Part name Checking procedure Electrolytic capacitor Turn OFF the power supply breaker For boost smoothing Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester o C12 C13 C14 Case that product is good Pointer swings once and returns slowly When performing test MCC 5009 once again under another Soldered polarity the pointer should return surface o C12 C13 C14 7604F 400V Heat sink IGBT side Diode block 1 Turn OFF the power supply brea
173. tting of Heating storage position Louver Directs downward 76 Heating operation Heating memory position 2 Air direction adjustment Inclined blowing Horizontal blowing Heating storage position Louver Directs downward 76 Horizontal position Room temp gt NO Set temp 3 0 YES position Inclined blowing Blowing downward Heating memory Horizontal blowing Cooling storage position Louver Directs downward 9 Room temp gt Set temp 3 0 The louver position can be arbitrarily set up by pressing FIX button LACA 2 a Swing operation is performed in width 35 with the stop position as the center f the stop position exceeds either upper or lower limit position swing operation is performed in width 35 from the limit which the stop position exceeded db Swing When pressing SWING button during operation the louver starts swinging 10 ECO operation Operation flow and applicable data etc When pressing ECO button on the remote controller a quiet and mild operation is performed by reducing the fan speed and the compressor speed lt Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each
174. two positions When drilling a hole on the side cabinet R be sure not to damage the cabinet Side cabinet R Appendix 6 Photo Explanatory diagram Side cabinet L Appendix Procedure Rework the side cabinet L to remove part of it The area to be removed is indicated by the shaded lines in the left figure After removing part of the side cabinet L deburr the edges of the side cabinet L Cord heater Transparent cover side L side Fuse Fuse holder Thermostat fixing plate P shape clamp Perform end process and bundling of each cable Using fixing screws Self tapping screw type B 23 5 x 6mm fix the thermostat to the thermostat fixing plate Perform end process for various lead cables 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 4 x 8mm fix the power cord to the thermostat fixing plate When the power cord size does not match with P shape clamp procure the most appropriate one at the local site Appendix 7 Appendix Assembly Return a set of the refrigeration cycle assembly into the outdoor unit base plate and reassemble sound insulation board partition plate assembly fan
175. uver from swinging A receiving beep is heard 7 Set louver button FIX Press this button again to adjust the air flow direction A receiving beep is heard 8 ON timer button ON Use this button to change the clock and ON timer times To move up the time press of the ON Bi button To move down the time press w of the ON Bi button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time press A of the OFF Bi button To move down the time press W of the OFF Bi 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 timer A receiving beep is heard 12 High power button Hi POWER Press this button to start high power operation 13 Memory button MEMO Press this button to ready for storing the settings Hold down the button for more than 3 seconds to store the setting indicated on the remote controller and until the mark is displayed 14 Automatic operation button AUTO Press this button to operate the air conditioner automatically A receiving beep is heard 15 Economy button ECO Press this button to operate the air conditioner economically 16 PRESET button Press this button to operate the air conditioner to the settings stored using the MEMO button 1 7 PURE button PURE Press this button to start the electrical

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