Sanyo SAP-CRV12AEH Service Manual Download Page 42

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8-4-6. Diagnosis of overload and discharge malfunction

< Main Detection Points >

•

Is electric expansion valve well connected ? Is it damaged ?

•

Is refrigerant leaked ?

•

Is overload wire connection normal ?

< Malfunction Diagnosis Process >

Finish

Replace electric

expansion valve.

20 min after

de-energization of

complete unit.

Yes

Is electric

expansion valve well

connected ?

Refrigerant leakage,

recharge the refrigerant.

Remove malfunction ?

Replace parts of outdoor

electric box.

Remove malfunction ?

Is overload

wire reliably

connected ?

Adjust connecting wire.

Summary of Contents for SAP-CRV12AEH

Page 1: ...ENCE NO SM0909902 Destination Europe Indoor Unit Outdoor Unit SAP KRV9AEH SAP KRV12AEH SAP CRV9AEH SAP CRV12AEH RoHS WARNING This product does not contain any hazardous substances prohibited by the RoHS Directive You are requested to use RoHS compliant parts for maintenance or repair You are requested to use lead free solder Do not vent R410A into atmosphere R410A is a fluorinated greenhouse gas c...

Page 2: ...ire Make sure that there is no dust on or slack in the power plug and insert fully into the socket Dust or incomplete connections may cause an electric shock or fire Do not damage or process the power cord as it may cause an electric shock or fire For the wiring between the indoor unit and outdoor unit securely fix the specified cable onto the terminal plate Poorly fixed wiring may cause a heat or...

Page 3: ...on Caution Do not wash the air conditioner with water as this may cause an electric shock or fire For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do so may cause an electric shock Confirm that the component attachment position wiring condition soldering condition and connector connection are normal If not it may cause overheating or fire Confirm...

Page 4: ...w Distance Charts 6 ELECTRICAL DATA 6 1 Electrical Characteristics 6 2 Electric Wiring Diagrams 7 FUNCTIONS 7 1 Main Functions 7 2 Control Specifications 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair 8 2 Confirmation 8 3 Troubleshooting from Error Display 8 4 How to check the main part 9 DISASSEMBLY PROCEDURE 9 1 Disassembly Procedure of Indoor Unit 9 2 Disassembly Proce...

Page 5: ...ervicing 10 3 Tools Specifically for R410A 10 4 Tubing Installation Procedures 10 5 In Case of Compressor Malfunction 10 6 In Case Refrigerant is Leaking 10 7 Charging Additional Refrigerant 10 8 Retro Fitting Existing Systems APPENDIX A INSTRUCTION MANUAL APPENDIX B INSTALLATION INSTRUCTIONS 60 60 62 62 63 65 66 66 A 1 A 2 Page 5 ...

Page 6: ...ximum Minimum Maximum Minimum 32 C D B 23 C W B 21 C D B 15 C W B 27 C D B 20 C D B 43 C D B 26 C W B 21 C D B 24 C D B 18 C W B 7 C D B 8 C W B Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Heating 6 ...

Page 7: ...264 Dimensions Weight Refrigerant Tubing Connections Unit Dimensions Height Operation Sound Electrical Rating Air Circulation High Indoor Outdoor Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Narrow tube Wide tube Refrigerant mm in Tube Diameter mm in 0 15 32 0 342 8 5 348 28 0 11 0 0 07 592 771 770 201 658 275 261 844 Outdoor Unit Indoor Unit 283 550 6 35 1 4 9 5...

Page 8: ...ight Refrigerant Tubing Connections Unit Dimensions Height Operation Sound Electrical Rating Air Circulation High Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Narrow tube Wide tube Refrigerant mm in Tube Diameter mm in 0 15 34 0 342 9 0 348 30 0 12 0 0 07 592 771 770 201 658 275 261 844 Outdoor Unit Indoor Unit 283 550 6 35 1 4 9 52 3 8 m Max allowable tubing len...

Page 9: ...0 179 Fan Remote Control Unit Q ty Dia and Length Type mm Fan Motor Rated Power Output Power Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Operating Temp Close Open C C Ambient Temp 20 C Run Capacitor Micro F VAC W Ohm Coil Resistance Rating Model Flap Motor Type Ambient Temp 20 C Ohm Face Area Coil Rows Fin Pitch Heat Exchanger Coil m2 mm DATA SUBJECT ...

Page 10: ...istance Rating Model Flap Motor Type Ambient Temp 20 C Ohm Face Area Coil Rows Fin Pitch Heat Exchanger Coil m2 mm DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit SAP KRV12AEH 75 AC Motor FN10V PG 1 4 Main 386 4 Aux 388 4 10 1 150 1 190 Thermal protector 100 1 2 500 Fan Motor Rated Power Output Power Coil Resistance Rough Measure RPM Cool Heat Type Model Q ty No of Poles Safety Device Type Opera...

Page 11: ...xchanger Coil FW30N 1 Compressor Oil Amount 6 30 930 930 Ohm AC Motor Type Compressor Model Nominal Output Compressor Coil Resistance Ambient Temp 20 C Ohm DC Rotary Inverter 1YC23AEXD 600W 1 764 CT Peak current cut off control Compressor Discharge Temp Control Overload Relay Safety Device Model Operation Temp Micro F VAC Run Capacitor Crankcase Heater Yes Yes CS 7SA 1 D370 Fan Propeller Q ty Dia ...

Page 12: ...C Ohm DC Rotary Inverter 1YC23AEXD 900W 1 764 CT Peak current cut off control Compressor Discharge Temp Control Overload Relay Safety Device Model Operation Temp Micro F VAC Run Capacitor Crankcase Heater Yes Yes 1 D370 Fan Propeller Q ty Dia mm Type Micro F VAC 2 450 FW30N 1 6 30 930 930 Ohm AC Motor Ambient Temp 20 C Fan Motor Nominal Output Coil Resistance Rough Measure RPM Cool Heat Run Capaci...

Page 13: ...3 DIMENSIONAL DATA Indoor Unit SAP KRV9AEH SAP KRV12AEH 770 201 283 548 5 258 5 126 5 770 283 13 ...

Page 14: ...Outdoor Unit SAP CRV9AEH SAP CRV12AEH 708 658 275 550 317 470 299 14 ...

Page 15: ...9AEH SAP KRV12AEH Outdoor Unit SAP CRV9AEH SAP CRV12AEH Compressor 4 way valve Accumulator Wide tube service valve Wide tube O D 9 52 mm 3 8 Narrow tube service valve Narrow tube O D 6 35 mm 1 4 Heat exchanger Heat exchanger Muffler Cooling cycle Defrosting cycle Heating cycle Indoor unit Outdoor unit 15 ...

Page 16: ...e following rating conditions NOTE Cooling Heating 25 30 35 40 5 0 5 10 15 20 25 Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C 25 5 4 3 2 30 35 40 5 0 5 7 6 5 4 3 10 15 20 25 Operating current A 25 10 5 15 20 25 30 35 40 5 0 5 10 60 55 50 45 40 35 30 25 15 20 25 Outdoor air temperature C Outdoor air temperature C Low pressure at wide tube s...

Page 17: ...load prevention during heating Points of rating condition Black dots in above charts indicate the following rating conditions NOTE Cooling Heating 25 30 35 40 5 0 5 10 15 20 25 Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C 25 6 5 4 3 30 35 40 Operating current A 25 10 5 15 20 25 30 35 40 5 0 5 10 60 55 50 45 40 35 30 25 15 20 25 Outdoor air temperature C Outdoor air...

Page 18: ...h Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 5 2 Air Throw Distance Charts Indoor Unit SAP KRV9AEH 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 6...

Page 19: ... Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Indoor Unit SAP KRV12AEH 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 19 ...

Page 20: ...Unit Outdoor Unit Complete Unit Fan Motor Performance at Rating conditions Running amp A 0 16 Power input W 48 4 6 970 Indoor Unit SAP KRV12AEH Outdoor Unit SAP CRV12AEH Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp A 0 16 Power input W 49 5 04 1 051 Fan Motor Compressor 230V Single phase 50Hz 5 34 1 086 Ra...

Page 21: ...ROTECTIVE EARTH to the models with cold plasma function NOTE The parts with broken line is applicable GENERATOR COOL PLASMA HEALTH L HEALTH N AP2 SWING MOTOR DISPLAY OUTDOOR UNIT TUBE TEM SENSOR ROOM TEM SENSOR FAN MOTOR PG M1 PGF SWING UD DISP2 L OUT AC L AP1 BU BN BK COM OUT YEGN PE BN BK RT2 0 DISP1 RT1 2 YEGN 3 YEGN N BU BU XT N 1 L BN POWER M2 N ROOM TUBE 0 EVAPORATOR 21 ...

Page 22: ... PE PE S40 PE SAT HA2 HA1 COMP S70 HR1 HR2 L1 HL3 HN3 HN2 HL2 S10 S11 S80 S90 RT3 0 RT4 0 RT5 0 W V U PCB2 E2 E1 AC1 S AC2 PCB1 PE 2 3 XT N 1 W ARNING Please don t touch any terminal when the voltage of terminal DC and DC at PCB2 is higher than 30V to prevent the risk of electrical shock INDOOR UNIT M YEGN CLAPBOARD SUB ASSY ELECTRICAL BOX OUTTUB TEM SENSOR OUTROOM TEM SENSOR EXHAUST TEM SENSOR OG...

Page 23: ...ction or protection stoppage happen the indoor fan will remain the original running state and the error LED will light 7 1 2 Dry Mode 1 In this mode the indoor fan may run at high medium low and automatic speed The compressor outdoor fan and 4 way valve all stop running 2 In this mode the temperature setting range is from 16 to 30 C 7 1 3 Fan Mode 1 Operation Conditions and Heating Process When th...

Page 24: ...ly according to the ambient temperature The display shows the actual running mode and set temperature There will be 30 seconds delay for mode conversion The protection function is the same as that of other modes When room temperature is 25 C or more the cooling mode is selected When room temperature is 22 C or less the air conditioner runs in heating mode When the room temperature is higher than 2...

Page 25: ... louver will rotate to place L If the swing function is set when starting the air conditioner the louver will swing between place L and D There are 7 states for the louver in place L A B C D and swing between L and D stop in any place between L and D When the air conditioner is turned off the louver will stay in place O The swing is available only when the swing function is set and the indoor fan ...

Page 26: ...r conditioner is continued with the set temperature as T 2 C B In the case that the sleep function is set in the heating mode of the air conditioner 1 hour later the set temperature drops by 1 C and 3 hours later it drops by 1 C more The operation of the air conditioner is continued with the set temperature as T 2 C Cooling or Dry Operation Heating Operation Set temp Set temp Sleep mode start Time...

Page 27: ...he accuracy is minute e g Timer on for 1 hour timer off for 1 5 hours Timer ON After setting timer on the air conditioner will run at setting time according to the original setting mode The timing interval is 0 5 hour and the setting range is 0 5 to 24 hours Timer OFF The timer off function can be set when the air conditioner is on When the setting for timer off is reached the air conditioner will...

Page 28: ...ion is set in the last control and the setting is reached before the air conditioner is de energized the air conditioner will run according to the previous running mode after it is energized again But the timer function will terminate The clock will not be memorized Memory Contents mode up and down swing light set temperature setting fan speed general timer not clock Fahrenheit Celsius 7 1 10 Auto...

Page 29: ...all lower the frequency When the D value is large increase the frequency 2 2 I control The frequency upper and lower limits are set depending on indoor unit When low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 2 4 Upper and lower limit of frequency by PI control When...

Page 30: ...ng current is continues for 1 0 second after rushing on the drooping zone the frequency will be 2Hz drooping Repeating the above drooping continues until the current rushes on the drooping zone without change In the keeping zone the frequency limit will remain In the return and reset zone the frequency limit will be cancelled Detail The frequency control will be made within the following zones 7 2...

Page 31: ...s Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 seconds from operation start Control in Each Zone The heat exchanger intermediate temperature of indoor unit controls the following Limitation of current drooping and stop value according to the outdoor air temperature 7 2 7 Heating Peak Cut Control 1 In case the operation mode ...

Page 32: ...ON control for electric component cooling fan 2 Fan control when defrosting 3 Fan OFF delay when stopped 4 ON OFF control in cooling operation 5 Tap control when drooping function is working 6 Fan control in forced operation 7 Fan control in indoor outdoor unit silent operation 8 Fan control in powerful mode 9 Fan control in normal operation Detail Fan OFF Control when Compressor is Stopped Fan OF...

Page 33: ... sensor malfunction will be detected 3 Protection of Temperature Sensor 3 1 When short circuit occurs to the temperature sensor for 30 seconds The temperature sensor overheats In this case the complete unit will stop for protection At the same time the temperature protection and temperature sensor malfunction will be shown 3 2 When break circuit occurs to the temperature sensor for 30 seconds The ...

Page 34: ...ooting procedure 8 2 Confirmation Static maintenance is the maintenance during de energization of the air conditioner For static maintenance make sure that the unit is de energized and the power plug is disconnected Dynamic maintenance is the maintenance during energization of the unit Before dynamic maintenance check the electricity and ensure that there is ground wire on the site Check if there ...

Page 35: ... resistance value with universal meter Is it loose Measure the resistance value with universal meter Replace indoor main board Inspect connection state of the overload wire Check if the resistance of compressor and resistance to ground is normal If the compressor is normal the outdoor main board may be wrong This malfunction may happen when outdoor DC electromotor is used Is electric network varia...

Page 36: ...re the resistance value with universal meter Is it loose Measure the resistance value with universal meter Is it loose Measure the resistance value with universal meter Is outdoor ambient temperature is too high Is radiator mounted correctly Replace outdoor main board Is voltage of AC power supply normal Is voltage of AC power supply normal Is Outdoor connecting wire reliably connected Outdoor uni...

Page 37: ...ck with AC voltage gauge if the voltage between L and N outdoor wiring block is within 200VAC to 240VAC Malfunction Diagnosis Process Energize the unit and wait for 3 min Remove malfunction Indoor main board error Adjust wiring Measure voltage between L and N of outdoor wiring block Replace main board of indoor unit Outdoor electric box error Replace outdoor electric box Indoor and outdoor wiring ...

Page 38: ...e between L and N of the wiring block XT with AC voltage gauge Malfunction Diagnosis Process Energize the unit and start it Finish Check power supply Replace main board of indoor unit Adjust connecting state Replace motor Measure voltage between N1 and 3 of indoor wiring block Voltage 200V Yes No Yes Yes Yes No No No Check the connecting state of the connecting terminal Connection reliable Remove ...

Page 39: ...t Finish Replace temperature sensor Adjust connecting state Replace temperature sensor Replace main board of indoor unit Adjust connecting state Check connecting state of outdoor temperature sensor Indoor unit display F1 F2 Yes Yes Yes Yes Yes No No Yes Yes No No No No Yes No Check connecting state of indoor temperature sensor Indoor unit display F4 F5 Connection reliable Remove error Replace part...

Page 40: ...r damaged Malfunction Diagnosis Process Energize the unit and start it Finish Replace parts if outdoor electric box is defective Yes Yes Yes Yes Is the stop time of compressor more than 3 min Start up failure Replace compressor Remove the error Start it 3 min later No No No Is compressor wire connected correctly Connect it according to line chart No 40 ...

Page 41: ... No No No No No Yes Yes Yes Yes No No Yes Yes Is the stop time of compressor more than 3 min Replace compressor Remove error Is wire of compressor well connected Losing synchronism upon start up of the unit Finish Replace parts of outdoor electric box Yes Replace compressor Remove error Replace parts of outdoor electric box Replace outdoor fan Remove error Is outdoor fan normal Is outdoor fan bloc...

Page 42: ...ion normal Malfunction Diagnosis Process Finish Replace electric expansion valve 20 min after de energization of complete unit Yes Yes Yes Yes No No Is electric expansion valve well connected Refrigerant leakage recharge the refrigerant Remove malfunction Replace parts of outdoor electric box Remove malfunction No Is overload wire reliably connected Adjust connecting wire No 42 ...

Page 43: ...tion Malfunction Diagnosis Process Finish Replace main board of indoor unit E6 communication error is displayed Yes Yes No Is connecting wire reliably connected Remove malfunction Replace parts of outdoor electric box No Adjust connecting wire 43 ...

Page 44: ...he unit Warning 9 1 1 Remove the air filters 1 Pull protrusions on left and right sides of panel with fingers and open front grille all the way Fig 1 2 Lift center section of air filter and disengage hooks Fig 2 1 Left and right filters are interchangeable 2 To re install insert air filter along the guide 3 Remove air filter by pulling forward Fig 3 NOTE Hooks Air filter Fig 1 Fig 3 Fig 2 44 ...

Page 45: ...remove 2 Remove horizontal blade by pulling forward Fig 5 NOTE 3 Hook a finger onto the projection part provided on the both sides of the unit s panel and open up the panel to the position higher than it will stop Fig 6 1 Left and right filters are interchangeable 2 To re install insert air filter along the guide 4 Remove the front panel from the unit Fig 7 NOTE Fig 4 Fig 5 Fig 6 Fig 7 Horizontal ...

Page 46: ...ove a service cover mounting screw Lift up the service cover Fig 8 and Fig 9 9 1 4 Removing front grille assembly 1 Remove the 3 screws in the right and the left which fix the main body with the front grille Fig 10 Fig 8 Fig 9 Fig 10 screw screws 46 ...

Page 47: ...rt Fig 12 NOTE 9 1 5 Removing the vertical blade 1 Unfasten the hooks at the upper 2 positions Fig 13 and Fig 14 1 A set of vertical blade has 6 fins as on assy It is impossible to replace only one fin 2 The set of vertical blades is not marked for difference between right and left NOTE 2 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver Fig 15 Repeat the sam...

Page 48: ...connect the connection wires Fig 18 Take care not to lose the clip of thermistor Fig 19 3 Remove temperature sensor Fig 20 NOTE NOTE 4 Remove a screw on the terminal board Fig 21 5 Remove fan motor signal wire Fig 22 Fig 19 Fig 20 Fig 17 Fig 18 Fig 21 Fig 22 Terminal board Connecting wires Heat exchanger thermistor Clip Heat exchanger thermistor Screw Earth wire Fan motor signal wire 48 ...

Page 49: ...on and remove the shield plate 1 Fig 26 3 Lift the shield plate 2 and unfasten the 2 hooks Fig 27 4 Slide the shield plate 2 and remove it Fig 27 6 Remove a screw on the electrical box Fig 23 7 Pull up the electrical box forward to remove Fig 24 Fig 25 Fig 26 Fig 23 Fig 24 Fig 27 Hook Bottom frame Hook shield plate 1 Hook Hook Shield plate 2 49 ...

Page 50: ...31 8 To remove the control P C Board unfasten the 2 hooks at the upper part from the rear side Fig 32 The control P C Board is integrated with the power supply P C Board 9 Lift up the upper part of the control P C Board and remove it Fig 33 Fig 30 Fig 31 Fig 32 Fig 33 Fig 28 Fig 29 Display PCB ASSY NOTE Control PCB 50 ...

Page 51: ...moisture in Fig 34 Fig 35 Fig 36 Fig 37 NOTE NOTE 9 1 8 Disconnecting the refrigerant piping 1 Lift the indoor unit by a wooden base Fig 34 If gas leaks repair the spot of leaking then collect all refrigerant from the unit After conducting vacuum drying recharge proper amount of refrigerant Caution Do not mix any gas including air other than the specified refrigerant R 410A into refrigerant cycle ...

Page 52: ...Fig 42 Fig 38 Fig 39 Fig 40 Fig 41 Fig 42 9 1 9 Removing the indoor unit 1 Remove the indoor unit from the installation plate Fig 38 2 Release the hook of the piping fixture on the back of the unit Fig 39 Fig 40 and Fig 41 Wide tube Narrow tube Auxiliary piping Piping fixture 52 ...

Page 53: ...Fig 46 Fig 47 9 1 11 Removing the ring of bearing Fig 46 and Fig 47 4 Widen the auxiliary piping to the extent of 10º to 20º Fig 43 5 Pull the heat exchanger to the front side to undo the hooks completely and then lift it Fig 44 Auxiliary piping Heat exchanger Bearing 53 ...

Page 54: ...9 1 12 Removing the cross flow fan and motor sub assy screw Fig 48 Fig 48 Fig 49 Fig 50 9 1 13 Removing the motor sub assy Fig 49 9 1 14 Removing the fan motor Fig 50 54 ...

Page 55: ...Removing the stop valve cover 1 Loosen the screw of the stop valve cover Fig 51 and Fig 52 Pull down the stop valve cover and remove it The stop valve cover has 5 hooks 9 2 2 Removing air filters 1 Loosen the 3 screws front right and left and lift the top panel Fig 53 2 Loosen a screw and remove the discharge grill Fig 54 NOTE Fig 51 Fig 52 Handle Stop valve cover Top panel Fig 53 Fig 54 55 ...

Page 56: ...e board Fig 56 9 2 3 Removing the fan motor 1 Remove the screw of the fan and then remove the propeller fan Fig 57 The screw has reverse winding 2 Remove the 4 tapping screws fixing the motor Fig 58 Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support and lift to remove the motor support NOTE Fig 55 Fig 56 Fig 57 Fig 58 Front panel Propeller fan Fan ...

Page 57: ...partition plate to remove 9 2 4 Removing the electrical box 1 Remove the 2 screws fixing the cover of electrical box Lift to remove the cover Remove the screws fixing the electrical box subassembly Loosen the wire and disconnect the terminal Lift to remove the electrical box subassembly Fig 59 NOTE Fig 59 Electrical box Partition plate Fig 60 57 ...

Page 58: ...he sound blanket 3 Lift and remove the sound blanket body as it is opened 4 Pull the sound blanket out Fig 62 9 2 7 Removing the four way valve coil 1 Loosen the screw of the four way valve coil and remove the four way valve coil Fig 63 1 Provide a protective sheet or a steel plate so that the brazing flame can not influence peripheries 2 Be careful so as not to break the pipes by pressing it exce...

Page 59: ... and air return pipe and remove the wide tube valve It is necessary to warp the wide tube valve when soldering off the welding spot Remove the 2 screws fixing the narrow tube valve Solder off the welding spot connecting narrow tube valve and remove the narrow tube valve 3 Solder off the pipe connected with the compressor Fig 65 Remove the 3 footing screws of the compressor and remove the compresso...

Page 60: ...rge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase When refrigerant R410A is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it...

Page 61: ...R22 and R407C No addition of compressor oil for R410A No additional charge of compressor oil is permitted No use of refrigerant other than R410A Never use a refrigerant other than R410A If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in cas...

Page 62: ...can be com monly used for R22 R407C and R410A CAUTION The above tools specifically for R410A must not be used for R22 and R407C Doing so will cause malfunction of the unit For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R410A type However they must be used exclusively for R410A and never alternately with R22 and R407C For details on tubing installat...

Page 63: ...eplace it quickly 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 4 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be da...

Page 64: ...frigerant cylinder use an electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Also charge the minimum necessary amount to the charging cylinder before using it to c...

Page 65: ...ing flux and wax for R410A Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation Use a solenoid valve installed vacuum p...

Page 66: ... R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 10 8 2 Use of Existing Tubing If replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead completely new tubing must be used CAUTION Never charge additional refrigerant if refrigerant is leaking from the unit Fol...

Page 67: ...INSTRUCTION MANUAL SAP KRV9AEH SAP CRV9AEH SAP KRV12AEH SAP CRV12AEH OI 852 6 4181 180 00 1 APPENDIX A A 1 ...

Page 68: ...e istruzioni Guarde estas instruções Φυλάξτε τις οδηγίες αυτές MANUAL DE INSTRUCCIONES Acondicionador de aire de dos unidades controlado por invertidor MODE D EMPLOI Climatiseur de type séparé contrôlé par inverseur BEDIENUNGSANLEITUNG Splitsystem Klimagerät mit Inverter Steuerung ISTRUZIONI PER L USO Condizionatore d aria con sistema separato controllato dall invertitore MANUAL DE INSTRUÇÕES Apar...

Page 69: ...s noise Turbo Powerfully cools the room Automatic Fan Operation Convenient microprocessor control automatically adjusts fan speed to High Medium or Low according to room temperature to maintain a comfortable airflow throughout the room Air Sweep Control The air sweep function automatically moves the air outlet flap up and down directing air in a sweeping motion around the room and ensuring comfort...

Page 70: ... details 2 Each unit must be properly grounded with a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician SAFETY INSTRUCTIONS Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use t...

Page 71: ...low and there is high humidity after the unit runs for a while frost will form on the outdoor unit and affect the heating function At this time the auto defrosting function will turn on and the heating operation will stop for 8 10 minutes 2 While the auto defrosting function is operating both the fan motors of the indoor and outdoor units will stop operating 3 While the defrosting function is oper...

Page 72: ...ing Temperature Range Temperature Indoor Air Temperature Outdoor Air Temperature COOLING Max 32 C DB 23 C WB 43 C DB 26 C WB Min 21 C DB 15 C WB 21 C DB HEATING Max 27 C DB 24 C DB 18 C WB Min 20 C DB 7 C DB 8 C WB OI 180 5 EG ...

Page 73: ...e 2 Remote control unit 3 Front panel 4 Filter 5 Guide louver 6 Wall pipe 7 Bind tape 8 Drainage pipe Outdoor Unit Indoor Unit Air intake Air outlet Wireless remote control unit Air intake Air outlet Dry Run Receive window SET TEMP Cool Heat ON OFF OI 180 6 EG ...

Page 74: ... 3 Set temperature 16 30 C When set to 23 C 4 Timer 24 hour ON Timer 24hour OFF Timer 5 Sleep 6 Confirmation of transmission 7 Clock indication 8 Sweep indication 9 Light 10 Blow 11 Turbo 12 Temperature 13 Lock Displayed when setting timer Displayed when transmitting data Displayed when setting temperature Displays clock Symbols AUTO F C ON OFF OPER OI 180 7 EG ...

Page 75: ... or HEAT mode as appropriate COOL The air conditioner makes the room cooler DRY The air conditioner reduces the humidity in the room FAN The air conditioner runs the indoor fan only HEAT The air conditioner makes the room warmer setting buttons Press the button to increase the set temperature continue pressing for two seconds to quickly increase the set temperature Press the button to reduce the s...

Page 76: ...T button Press this button to turn ON OFF indicator light display TURBO button Press to quickly cool or heat the room with powerful cool or hot air SLEEP button For details see SLEEP MODE page 12 When you press this button in the DRY COOL or HEAT mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy CLOCK Button Use this butto...

Page 77: ... temperature setting to the desired temperature Adjustable temperature range 30 C 86 F max 16 C 61 F min In AUTO mode the temperature cannot be adjusted In HEAT mode the initial value is 28 C 82 F In other operation the initial value is to 25 C 77 F STEP 4 Set the FAN SPEED selector button to the desired setting AUTO Auto fan speed Low fan speed Middle fan speed High fan speed In Dry mode the fan ...

Page 78: ...mains Cancellation procedure Press the TIMER OFF button again ON STEP 1 Press the ON OFF button and MODE button to set the desired operation mode See Operation with the Remote Control Unit page 8 Press the ON OFF button again to turn off the unit STEP 2 Press the TIMER ON button STEP 3 Press the TIMER ON button which advances the clock displayed to set the time at which you want operation to begin...

Page 79: ... will maintain this temperature This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed 3 5 2 In Heating Mode When the SLEEP mode is selected the air conditioner automatically lowers the temperature setting 1 C when 1 hour has passed after the selection was made and then another 1 C after another 2 hours have passed regardless of the in...

Page 80: ...ton again will immediately stop the indoor fan How it works In COOL or HEAT mode if this function is selected the unit will run at super high fan speed to cool or heat rapidly to enable the ambient temperature to approach the preset temperature as quickly as possible How it works This special button is intended for users who are not accustomed to light while sleeping Setting the display indicator ...

Page 81: ...ion sequence outlined below How it works To switch between Fahrenheit and Centigrade in unit off status press MODE and buttons simultaneously and then release both buttons immediately to switch between C and F How it works In the event of power failure the unit will stop operation When power resumes the unit will restart automatically after three minutes How it works When the unit is in defrost st...

Page 82: ...ove and then reinsert the batteries 30 seconds later If it still cannot operate change the batteries to new ones The remote control signal can be received up to a distance of about four meters Dispose of used batteries at a designated location in compliance with the applicable local ordinances 3 8 Using the Remote Control Unit When using the remote control unit always point the unit s transmitter ...

Page 83: ... sides and hold the front panel so that it is nearly horizontal Push the arm shafts towards the inside so that they come into contact with the top of the indentations on the right and left sides of the air conditioner Then push firmly until the arm shafts click into place Fig 6a 4 2 Cleaning the Air Filters Recommended once every 3 months 1 After removing the filter some metal edges and the fins a...

Page 84: ...pors nor ventilate the room open doors or windows frequently when using gas or oil heating appliances Not doing so carries a risk of suffocation in extreme cases 4 3 Check Before Using 1 Be sure that nothing obstructs the air outlet or intake vents Fig 10 2 Check whether ground wire is properly connected or not 3 Check whether the batteries of the air conditioner have been changed or not 4 Check w...

Page 85: ...the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again Do not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down Do not attempt to repair the air co...

Page 86: ...phenomenon occurs It is caused by the room air being swiftly cooled down After running for a while the indoor temperature and humidity will decrease and the mist will disappear A creaking noise can be heard when starting or stopping the unit This is caused by the deformation of plastic due to the change of temperature The unit will not operate Has the power been turned off Is the power plug loose ...

Page 87: ...t When in HEAT mode water adhering to the heat exchanger has dripped off Noise is emitting from the indoor unit This is a fan or compressor relay switching On OFF sound When the unit is defrosting or has stopped running sound will be emitted due to the refrigerant flowing in the opposite direction The indoor unit does not produce airflow In HEAT mode and when the indoor heat exchanger s temperatur...

Page 88: ...INSTALLATION INSTRUCTIONS SAP KRV9AEH SAP CRV9AEH SAP KRV12AEH SAP CRV12AEH II 852 6 4190 527 00 0 APPENDIX B A 2 ...

Page 89: ...ing Hole 3 3 Install the Drain Hose 3 4 Connect the Indoor and Outdoor Wiring 3 5 How to Install the Indoor Unit 4 INSTALL OUTDOOR UNIT 10 4 1 Wiring Instructions for the Outdoor Unit 4 2 Refrigerant Tubing 4 3 Air Purging 4 4 Tubing Length 4 5 Outdoor Condensation Drainage 4 6 Accessories 5 PUMP DOWN 16 5 1 What is Pump Down 5 2 Pump Down Procedure 6 CHECK AFTER INSTALLATION AND TEST RUN 17 6 1 C...

Page 90: ...eaker is not installed electric shock can occur When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fin gers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s wei...

Page 91: ...or routine mainte nance The height of the installation location should be 150 cm or more from the floor 6 Install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for television radio telephone security sys tem or intercom Electrical noise from any of these sources may affect operation 7 Select a location where the air filter can be easily removed 8 C...

Page 92: ...grounded earthed accordingly Be sure to follow all local electrical codes 2 The power supply circuit must include a safe and reliable ground DO NOT connect the ground earth wire to any of the following Gas pipe Tap water pipe Sewage pipe Any other point that does not meet electrical codes 1 6 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a loca...

Page 93: ...nce to nearby obstructions The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures or grilles in front of or surrounding the air conditioner in a way that may block air flow A 470 mm 470 mm Model 299 mm SAP CRV9...

Page 94: ...he hole check carefully that no studs or pipes are directly run behind the spot to be cut The above precautions are also applicable if tubing goes through the wall in any other location 3 Insert a PVC pipe in the hole to prevent the con nection piping and wiring from being damaged when passing through the hole 3 3 Install the Drain Hose 1 The drain hose must be angled at a downward slant for smoot...

Page 95: ...onnection must be done tightly and in accor dance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allowed wiring to touch the refrigerant tubing com pressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occur...

Page 96: ...y for units using inverter circuits in order to release charged elec tricity and electrical noise caused by high tension Otherwise electrical shock may occur Place a dedicated ground more than 2 meters away from other grounds and do not have it shared with other electric appliances WIRING SYSTEM DIAGRAM Grounding line OUTDOOR UNIT INDOOR UNIT 2 Terminal 2 N L Terminal Power supply Single phase 220...

Page 97: ...gh the tubing hole Fig 21 3 Hang the mounting slots of the indoor unit on the upper tabs of the rear panel and check that it is securely seated on the rear panel Fig 22 4 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Caution on page 12 The drain hose should come straight down the wall to a point where wate...

Page 98: ...ng connector wire and replace and tighten the removed terminal screw using a screwdriver Fig 24f Solid wire Loop Insulation m m 5 2 p i r t S Fig 24c STRIP SIZE 7 mm ACTUAL SIZE Fig 24b Stranded wire Ring connector m m 0 1 p i r t S Fig 24d Twist wire ends Fig 24e Screw Ring connector Terminal plate Wire Special washer Screw and special washer Ring connector Wire Fig 24f Fig 24a 4 Install Outdoor ...

Page 99: ... should be done carefully to make a good flare Fig 25 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 26 Remove the flare nut from the unit and be sure to mount it on the copper tube before making the flare Make a flare at the end of copper tube with a flare tool Figs 27a and 27b Use RIDGID or equivalent A good flare should have the following charac...

Page 100: ...rap the armoring tape from the bottom of the outdoor portion to the top of tubing where it enters the wall As you wrap the tubing overlap half of each pre vious tape turn Fig 33 Clamp the tubing bundle to the wall using 1 clamp approx every 120 cm Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also be sure the condensation drain hose splits away from ...

Page 101: ... amount of time for evacuation Table 3 Required time for evacuation when capacity of 100 liter h vacuum pump is used If tubing length is less than 10 m 10 min or more 15 min or more If tubing length is more than 10 m CAUTION The service port on the wide tube service valve uses a Schrader core valve to access the refrigerant system The valve core is similar to those used in automobile tires Therefo...

Page 102: ...ressure Then remove the hose 11 Fasten the valve cap on the wide tube service port securely with an adjustable wrench or box wrench Next mount the valve cap on the service valve and tightened it to 20 N m 200 kgf cm with a torque wrench This process is very impor tant to prevent gas leaking from the system 12 Test run the air conditioner See page 17 13 While the air conditioner is running apply li...

Page 103: ...N A F R E P O N O O F F C F F O N O FAN E D O M K C O L C TIM N O R E W O L B P M E T I T MER F F O O B R U T P E E L S T H G I L 5 1 0 Flare nut Putty Fig 37 Drain elbow Drain hole Hose locally purchased inner dia 16 mm Fig 38 4 4 Tubing Length Install unit within the maximum elevation different H above or below the outdoor unit and within a total tub ing length L from the outdoor unit as detaile...

Page 104: ...ench turn the narrow tube service valve clockwise all the way to close the service valve Fig 40 Be sure to confirm that the wide tube service valve is fully open 3 Press the ON OFF button and start cooling opera tion 4 When the low pressure gauge reading falls from 1 to 0 5 kg cm2 fully close the wide tube valve stem Fig 41 Then quickly stop the unit 5 Disconnect all gauges and hoses and replace t...

Page 105: ...ted The unit may fall over shake or emit noise Have you done the refrigerant leakage test It may have insufficient cooling heating capacity Is heat insulation sufficient It may cause condensation and dripping Is water drainage adequate It may cause condensation and dripping Is the voltage in accordance with the rated voltage marked on the nameplate It may cause electrical malfunction or system dam...

Page 106: ... i l i e r a p p A SAP KRV9 12AEH t ä r e g m u a r n e n n I SAP KRV9 12AEH a n r e t n I à t i n U SAP KRV9 12AEH r o i r e t n i e d a d i n U Ó Ô Ì Î È Ú Â Ù ˆ Û SAP KRV9 12AEH TUBE DISP1 DISP2 AP1 DISPLAY SWING MOTOR SWING UD HEALTH L COOL PLASMA GENERATOR HEALTH N TUBE TEM SENSOR ROOM TEM SENSOR FAN MOTOR M1 AP2 PCB2 PCB1 M2 M COMP RT2 S90 HA1 HA2 BU S80 S10 HL3 HR2 L1 OG OG HR1 AC2 BU BU BK...

Page 107: ......

Page 108: ...SANYO Electric Co Ltd Osaka Japan June 2010 Printed in Japan B ...

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