Sanyo SAP-CRV91EH Page 5 Technical & Service Manual Download

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1. OPERATING RANGE

Temperature

Indoor Air Intake Temp.

Outdoor Air Intake Temp.

Cooling

Maximum

32°C D.B. / 23°C W.B.

43°C D.B.

Minimum

19°C D.B. / 14°C W.B.

19°C D.B.

Heating

Maximum

27°C D.B.

24°C D.B. / 18°C W.B.

Minimum

16°C D.B.

–8°C D.B. / –9°C W.B.

Summary of Contents for SAP-CRV91EH

Page 1: ...86 W Indoor Unit Outdoor Unit IMPORTANT These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit See 11 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING THE UNIT Indoor Model No Product Code No Outdoor Model No Product Code No Destination SAP KRV91EH 1 852 065 78 SAP CRV91EH 1 852 065 79 Europe ...

Page 2: ...ng 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 fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal fram...

Page 3: ...20 8 MAINTENANCE 8 1 Changing Address of Indoor Unit and Remote Control Unit 21 8 2 Disconnecting and Connecting Positive Connector for Outdoor Unit 21 9 FUNCTION 9 1 Functions for Operation 22 9 2 Protective Functions 25 10 TROUBLESHOOTING 10 1 Operating State 28 10 2 Troubleshooting Using the Self Diagnostic Monitor 29 10 3 Fault Assessment of Indoor Outdoor Unit 31 10 4 Problems with Noise and ...

Page 4: ...Fitting Existing Systems 40 12 CHECKING ELECTRICAL COMPONENTS 12 1 Measurement of Insulation Resistance 41 12 2 Checking Continuity of Fuse on PCB Ass y 42 12 3 Checking Motor Capacitor 42 INSTRUCTION MANUAL APPENDIX ...

Page 5: ...ANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C D B 23 C W B 43 C D B Minimum 19 C D B 14 C W B 19 C D B Heating Maximum 27 C D B 24 C D B 18 C W B Minimum 16 C D B 8 C D B 9 C W B ...

Page 6: ...Controls Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto Auto Variable Airflow direction Indoor Horizontal Auto Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R410A 1 290 Refrigerant control Electric Expansi...

Page 7: ...resistance Ambient temp 25 C Ω WHT BLU respectively 4 wires 70 7 Heat Exchanger Coil Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 3 Face area m2 0 130 Fan Fan Motor Type Cross flow Q ty Dia and length mm 1 D88 Fan motor model Q ty DA4 23P36M 1 No of poles rpm 230V High 4 1190 Nominal output W 10 Coil resistance Ambient temp 20 C Ω BLU RED 5 67 RED WHT 5 67 WHT BLU 5 67 Safety devices ...

Page 8: ...e temp control YES Operation cut off control in abnormal ambient temp YES Run capacitor µF VAC Crankcase heater Fan Fan Motor Type Propeller Q ty Dia mm 1 ø400 Fan motor model Q ty DB8 33B280H 1 No of poles rpm 230V High 8 730 Nominal output W 30 Coil resistance Ambient temp 20 C Ω RED WHT 150 3 BLU WHT 150 3 BLU RED 150 3 Safety devices Type Operating temp Open C Close C Run capacitor µF VAC Heat...

Page 9: ...alve SC VPV M0AJ503B Coil VHV 0202 Valve Coil rating AC 220 240V 50Hz 6W Thermostat Suction sensor KTM 35D S1 Resistance kΩ 0 C 15 Thermistor Coil sensor DTN TKS163B Resistance kΩ 0 C 15 Thermistor Air sensor KTEC 35D S3 Resistance kΩ 0 C 15 Thermistor Compressor sensor DTN TKS164B Resistance kΩ 25 C 58 3 PTC Thermistor TH 912X24E400XR A Resistance Ω at 25 C 40 2 3 2 Outdoor Unit Outdoor unit SAP ...

Page 10: ...6 10 10 785 805 0 285 0 126 0 40 193 0 3 10 56 61 182 23 Remote control unit People sensor 130 22 Wide tube ø9 52 3 8 Narrow tube ø6 35 1 4 3 DIMENSIONAL DATA Indoor unit SAP KRV91EH Unit mm ...

Page 11: ... 538 538 234 300 300 234 151 5 46 180 81 620 16 70 Narrow tube service valve ø6 35 1 4 Wide tube service valve ø9 52 3 8 Location of Service Valves Service valves are located behind the side panel See the illustration below NOTE Unit mm ...

Page 12: ...rainer Electronic expansion valve Modulator Insulation of Refrigerant Tubing Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To prevent heat loss and wet floors due to dripping of condensa tion both tubes must be well insulated with a proper insu lation material The thickness of the insulation should be a minimum 8 mm IMPORTAN...

Page 13: ...D B temp C Indoor inlet air D B temp C Indoor inlet air D B temp C 20 C 24 C 27 C 30 C Operating current A Operating current A Indoor inlet air D B temp C Indoor inlet air D B temp C 24 C 27 C 30 C Indoor discharge air temperature C Indoor discharge air temperature C Indoor inlet air D B temp C Indoor inlet air D B temp C 24 C 27 C 30 C 23 C 17 C 20 C 17 C 23 C 5 4 3 2 20 C 17 C 23 C Overload prev...

Page 14: ...y m s Vertical distance m Room air temp 27 C Fan speed High Cooling 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 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 Flap angle 0 Flap angle 30 Axis air velocity 0 Axis air velocity 30 Flap angle 45 Flap angle 60 Axis air velocity 45 Axis air velocity...

Page 15: ... 35 C D B 24 C W B 2 Fan speed High NOTE 230V Single Phase 50Hz 0 200 400 600 800 1000 1200 1400 0 10 20 30 40 50 60 70 80 90 Operating Freqency Hz Power Input W 54 700 Cooling Power input W Operating frequency Hz 0 1 2 3 4 5 0 10 20 30 40 50 60 70 80 90 Operating Freqency Hz Cooling Capacity kW 54 2 8 Cooling capacity kW Operating frequency Hz ...

Page 16: ...6 C W B 2 Fan speed High NOTE 6 5 4 3 2 1 0 0 20 40 60 76 80 100 120 140 160 4 2 Cooling capacity kW Operating frequency Hz 230V Single Phase 50Hz 1800 1600 1200 1000 800 990 600 200 400 0 0 20 40 60 76 80 100 120 140 160 1400 Cooling capacity kW Operating frequency Hz Heating ...

Page 17: ... 0 37 5 6 6 2 Power input kW 0 026 0 043 1 291 1 36 Rating conditions Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B Rating conditions Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp A 0 35 0 34 3 91 4 6 Power i...

Page 18: ...il 5P Flap White 5P Louver Red Flap motor Thermistor coil Thermistor room Louver motor CONTROLLER FM Evaporator To outdoor unit L N 1 2 4 GRN YEL GRN YEL BRN BLU GRN YEL 1 2 3 4 5 4 3 2 1 1 3 2 1 3 2 1 10 1 10 1 3 2 1 3 2 1 2 3 4 5 1 2 3 4 5 4 3 2 1 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 BLK BLK ORG ORG WHT GRY GRY GRY GRY WHT GRY GRY GRY GRY W W GRN YEL BRN BLU RED WHT BLK 3P Power SW ...

Page 19: ...te core Diode AC AC WHT WHT BLU YEL WHT WHT WHT WHT WHT VLT ORG CONTROLLER B W DC 280V BLK WHT WHT WHT WHT WHT WHT WHT 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 9 22 8 21 7 20 6 19 5 18 4 17 3 16 2 15 1 14 BLK WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT HIC U V W 1 1 2 2 3 3 CM RED RED WHT WHT BLU BLU RED BLU Compressor motor R S T GRN YEL GRN YEL CONTROLLER A 1 2 1 2 3 3 1 3 1 3 5 5 4 4 5 5 6 6 WHT SENSE W...

Page 20: ...d within a total tubing length L from the outdoor unit as detailed in Table 1 and Fig 3 Table 1 5 cm min 5 cm min 5 cm min Front View Fig 1 INDOOR UNIT Tubing length L OUTDOOR UNIT Elevation difference H Fig 2 WARNING To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air con ditioner in a way that may block ...

Page 21: ...el to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5a Install cushion rubber under unit s feet to reduce vibration and noise Fig 5b use lug bolts or equal to bolt down unit reducing vibration and noise Outdoor unit Hot air Heat source Exhaust fan NO Fig 4 Air intake Concrete or equal About 10 cm Min 10 cm Anchor bolts 4 pcs About 40 cm Fig 5a Cu...

Page 22: ...e sure to connect the power supply line to the indoor unit as shown in the wiring dia gram The outdoor unit draws its power from the indoor unit WIRING SYSTEM DIAGRAM WARNING Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Each wire must be firmly connected No wire should be allowed to touch refrigerant tubing the c...

Page 23: ... be sure to mount it on the copper tube d Make a flare at the end of copper tube with a flare tool Fig 9 Use RIGID or equivalent e Use the special flare tool for R410A for making a flare If the conventional flare tool for R22 is uti lized use the spacer provided Fig 10 A good flare should have the following characteristics inside surface is glossy and smooth edge is smooth tapered sides are of uni...

Page 24: ...ping screws 4 16 mm supplied Holder for People Sensor type remote control unit Insert Fig 14 When attaching to wall Insert Fig 15 When placed on table etc 7 3 Remote Control Unit Installation Position The remote control unit can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote control unit in the...

Page 25: ...or Unit JP02 1 Remove tab for changing the address アドレス of the remote control unit 2 When it is removed the address アドレス is set to B To Change Address on Remote Control People Sensor type remote control unit RCS IHCS4E 8 2 Disconnecting and Connecting Positive Connector for Outdoor Unit One of the two types of connectors illustrated at left is used Their basic structure is the same for each How to...

Page 26: ...ll not accept signals from the remote control unit 4 DEMO Used for demonstration at shopfronts not for normal use Used for service 9 1 2 Automatic Operation In Automatic Operation indoor and outdoor temperature sensors operate and either Heating Dry or Cooling Operation is selected automatically 9 1 3 Amperage Operation is performed in which maximum current limit is lowered to reduce power consump...

Page 27: ... operation is started by HA it is switched to Automatic Operation mode When the operation mode is changed by the remote control unit during the operation the previous operation mode is selected in the following operation One cycle of HA Terminals 1 2 consists of short open of input pins for operation stop 9 1 6 Lamp Colors Operation Lamp Heating Operation red Dry Operation orange Cooling Operation...

Page 28: ...leaning Operation Multi sensor control is performed in combination with multi room temperature control and multi air flow control Set temperature is adjusted by using the difference between the temperatures detected by the remote control unit and People Sensor remote control unit in order to adjust the temperature of the entire room to make it comfortable Judging temperature difference Type of swi...

Page 29: ...ditioner oper ates as in a 9 2 4 Freeze Prevention If the temperature of the indoor heat exchanger drops to the following level while the air conditioner is operating in Cooling or Dry mode it will detect a freeze condition and stop operation as long as necessary 1 When the temperature of the indoor heat exchanger is less than 6 C the air conditioner enters Freeze Prevention mode 2 Release of free...

Page 30: ...ntrols the operating frequency to prevent the compressor discharge temperature from rising more than a specified temperature a Area the air conditioner follows auto performance control b When the temperature rises above point A the operat ing frequency is reduced at a specified rate c Area further frequency rise is not allowed d When the temperature falls below point B prevention of a rise in freq...

Page 31: ...n electrical current is rectified the system will resume operation in the original mode Operation at 230V Electrical current setting for Cooling operation is used during Defrosting operation NOTE NOTE Heating operation Frost sensing Non stop defrosting Defrosting Sequence Releasing of defrosting Outdoor heat exchanger temp Ambient temp Frosting area 0 Outdoor fan ON 4 way valve Heating mode Frosti...

Page 32: ...sitions the air flap by operating for 10 to 20 seconds after start up and operation stop When plugged in and operation button is pressed immediately the outdoor unit will not operate for about 3 minutes When restarted immediately after being stopped the outdoor unit will not operate for about 3 minutes Both are for preventing malfunctions You may hear sound similar to water flowing just after oper...

Page 33: ...ormally set it to ON position OFF TEST and DEMO positions are used for inspections etc TEST ON OFF DEMO People Sensor Timer Operation Details of Diagnosis Details of Abnormality Room temperature sensor abnormality Indoor heat exchanger temperature sensor abnormality Compressor temperature sensor abnormality SH sensor abnormality Outdoor heat exchanger temperature sensor abnormality Narrow tube A B...

Page 34: ...tach OTP data Incorrect insertion Defective OTP data Defective contact of IC socket Instantaneous power failure voltage reduction Defective HIC Worn compressor Compressor operation stop abnormality on voltage application Gas shortage during heating cooling operation more than 50 gas shortage Blocked electronic expansion valve or capillary tube Defective compressor temp sensor Outdoor fan motor fai...

Page 35: ... than normal No Operation Checkpoints conditions of the unit Rated voltage exists for inter unit wiring between 1 and 2 Connect 2 and 3 with a 5kΩ resistor Measurement of the voltage between these must show 12V to 15V with fluctuation occurring once every 4 seconds COM T RUN TEST TEST T RUN terminals Set operation selector of indoor unit to DEMO and start operation using remote control unit 1 No O...

Page 36: ...cur Places subject to noise problems 1 Areas near broadcasting stations where strong radio waves are gen erated 2 Areas near a ham radio operator 3 Areas where high frequency sewing machines or arc welding equipment are used Symptoms In such a case the following symptoms may occur 1 The air conditioner stops during operation 2 Indicator lamps flash Remedy Ensure that the signal wiring is not affec...

Page 37: ...efrigerant 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 is in liquid phase 11 2 Checklist Before Servicing Us...

Page 38: ...l 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 case of R410A leak Check for possible leak po...

Page 39: ...ging cylinder Refrigerant recovery unit Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended Vacuum pump 2 can be used if the following adapter is attached Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale...

Page 40: ...lve 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 pre vent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standa...

Page 41: ...g using a capacity of a 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the speci fied amount of liquid refrigerant from the refriger ant cylinder to the charging cylinder Prepare an evacuated charging cylinder before hand Do not use the r...

Page 42: ... refrigerant other than R410A Also do not use oxygen or any flammable gas 5 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 damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vac...

Page 43: ...6Kg using a capacity of a 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the speci fied amount of liquid refrigerant from the refriger ant cylinder to the charging cylinder Prepare an evacuated charging cylinder before hand Do not use the...

Page 44: ...ant R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 11 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 ...

Page 45: ...ith the lead clip of the insulation resistance tester and mea sure the resistance by placing a probe on each termi nal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 12 1 4 Measurement of insulation resistance for electrical parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similarly discon nect the ...

Page 46: ...s and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multi meter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Fuse...

Page 47: ...43 INSTRUCTION MANUAL SAP KRV91EH SAP CRV91EH APPENDIX ...

Page 48: ...on or off at any time within a 24 hour period 1 Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback Pressing this button changes the setting of the room temperature thermostat allowing you to set the temperature at whatever level that you find comfortable Automatic and 3 step Fan Speed Auto High Medium Low Air Sweep Control This function...

Page 49: ...oting 35 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number DECLARATION OF CONFORMITY This product is marked as it satisfies EEC Directive No 89 336 EEC 73 23 EEC 93 68 EEC and 92 31 E...

Page 50: ...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 this only for its intended purpose as described in this Instruction Manual Never use or...

Page 51: ...blown out of the air conditioner through the air outlet Remote control unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping Refrigerant tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain hose Moisture in the room condenses and drains off through this hose Out...

Page 52: ...rvicing the air conditioner CAUTION Do not set at the TEST and DEMO position for normal operation OPERATION lamp This lamp lights when the system is in the continuous DRY COOL FAN and HEAT mode TIMER lamp This lamp lights when the system is being controlled by the timer DEMO TEST ON OFF RESET FILTER CHECK PEOPLE SENSOR TIMER OPERATION POWER OPERATION lamp FILTER CHECK lamp Operation selector Remot...

Page 53: ... in This is useful when the air conditioner will not be used for an extended period of time PEOPLE SENSOR lamp This lamp lights for approximately 15 minutes when a signal is received from the People Sensor remote control unit FILTER CHECK lamp and Filter RESET button When the air filter starts to become dirty the lamp turns orange When the air filter is further dirtied the lamp changes to red The ...

Page 54: ... OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 SAVE 7 Confirmation of transmission 8 Flap AUTO Angle indication Sweep indication Displayed when transmitting data Displayed when setting temperature Displayed when the comfortable temperature and operating mode for the customer is set automatically Displayed when setting timer C Symbols Displayed when main unit sensor is in use Displayed when switchin...

Page 55: ...the set temperature to save energy TEMP setting buttons Press the button to increase the set temperature Press the button to reduce the set temperature ON OFF operation button This button is for turning the air conditioner on and off TIMER ON button The air conditioner starts at the set time TIMER OFF button The air conditioner stops at the set time SET button After using the TIMER ON button or TI...

Page 56: ...on which moves the flap up and down automatically The airflow direction is set automatically The airflow direction can be set manually six positions The flap moves up and down automatically NOTE To switch to the sweep function when in the manual mode hold down the FLAP button When button is pressed the vertical vanes swing so that air is blown from side to side FAN SPEED selector button The air co...

Page 57: ...his knob is used to adjust the sensitivity of the People sensor Weak Strong Adjust the sensitivity so that the sensor can detect people in the required area under the room conditions Continuous This sets the air conditioner so that the People sensor is always activated Monitor lamp The monitor lamp lights up in the following cases When the Power ON OFF switch is set to ON When the People sensor de...

Page 58: ...n 1 month take out the batteries How to Use the Remote Control Unit When using the remote control unit always point the unit s transmitter head directly at the air conditioner s receiver Remote Control Unit Installation Position The remote control unit may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly DO NOT insta...

Page 59: ...d by the remote control unit and PEOPLE SENSOR this room temperature and airflow control may be unable to be performed Room temperature control If there is a difference in temperature between the main space area and secondary space area the setting temperature is adjusted by up to 1 C so that the entire room is at a comfortable temperature The setting temperature display for the indoor unit does n...

Page 60: ...cator flashes 3 Plug the air conditioner into the outlet 4 Press the Power switch to set it to ON Off On 5 Set the Air Conditioner Mounting Location selector to the installation location for the room Air Conditioner Mounting Location Selector Setting the air conditioner mounting location for the room sets the airflow range to positions suitable for the installation location The swing ranges of the...

Page 61: ...press the button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal When Holding the Remote Control Unit When using the remote control unit and during air conditioner operation the transmitter on the remote control unit should be pointed toward the receiver on the indoor ...

Page 62: ...e such as near a stove Places subject to strong vibrations or jolts Places having glass or other objects which can block infrared signals Places where blinds or curtains are contained within the detection area In the vicinity of telephones computers radios or other devices which can generate noise On top of refrigerators or other places outside of the detection area NOTE The People Sensor does not...

Page 63: ...n Once the mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector button to select STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again STEP 1 STEP 2 17 OI 275 17E...

Page 64: ...pe Temperature setting Standard Operation lamp Cooling 27 C Green Dry Temperature when operation starts 20 to 26 C Orange Heating 24 C Red The temperature sensor of the indoor outdoor unit automatically selects cooling heating or drying operation If you stop the air conditioner and then restart it within four hours the air conditioner operates in the same mode as before The operation mode cooling ...

Page 65: ...operation STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 C max 16 C min STEP 4 Set the FAN SPEED selector button to the setting you want NOTE If the fan speed is set to Automatic the fan speed switches automatically according to the difference be...

Page 66: ...sed the compressor will start running within three minutes In the event of power failure the unit will stop When the power is restored the unit will restart automatically after three minutes 3 Adjusting the Fan Speed A Automatic Simply set the FAN SPEED selector button to the position The fan speed is controlled automatically depending on the operating frequency as shown below B Manual If you want...

Page 67: ...ton to select the fan speed of your choice or If the fan speed is set to auto the fan speed switches to low Also when the airflow direction is set to AUTO the flaps are in position See Adjusting the Airflow Direction and Strength 5 Night Setback Mode Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while operation The mark appears in the display To release the night setb...

Page 68: ...g comfort This function is convenient when gentle cooling is needed Setting temperature Press the NIGHT SETBACK button 1 C 1 hour Time When the night setback mode is selected the air conditioner automatically lowers the temperature setting 3 C when 1 hour has passed after the selection was made and then another 4 C after another 2 hours have passed regardless of the indoor temperature when night s...

Page 69: ... is the flap position before the Save setting was made The settings for the mode selected automatically are used during automatic operation SAVE mode does not function during FAN mode NOTE In the interest of environmental preservation and energy conservation the temperature settings used are the officially recommended values of 28 C for cooling and 20 C for heating This allows economical operation...

Page 70: ...educed power When cooling or heating operation is inadequate during summer days or winter nights and the room does not reach the temperature setting press and run the air conditioner under normal operation The amperage can be changed even when the air conditioner is not running Press during operation The indoor unit makes a beeping sound and the display changes 15 A 8 A To cancel Press again to re...

Page 71: ...ystem the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it Defrosting When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performance When this happens a microcomputer defrosting system operates At the same t...

Page 72: ... timer setting but the indication remains To check the status of the timer while it is counting down press the TIMER ON button The display returns to the current time after 30 seconds Cancellation procedure Press the CANCEL button 2 TIMER OFF mode Example After the length of time set for TIMER OFF elapses the unit stops operating The display depicted at left indicates that the air conditioner will...

Page 73: ...to set the timer to turn the unit The display changes immediately to its status previous to timer setting but the or indication remains The timer function is cancelled after air conditioner operation To use timer operation the next time set the timer again Cancellation procedure To cancel both the TIMER ON and TIMER OFF settings press the CANCEL button To cancel either the TIMER ON or TIMER OFF se...

Page 74: ...d once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later 2 Combining the 1 Hour OFF Timer and 24 Hour ON Timer By combining the 1 Hour OFF Timer and 24 Hour ON Timer it is possible ...

Page 75: ... Horizontal Airflow Direction to One Side Press again at the desired air direction The horizontal airflow control flaps stop moving To Blow the Air Up and Down and Side to Side Press until the swing display appears and then press To cancel press and When Using the People Sensor When the People Sensor is used to control the airflow pressing on the People sensor stops the horizontal airflow control ...

Page 76: ...e heating operation the fan speed will be very low and the flap will be in the horizontal position position 6 until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control CAUTION Use the FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap...

Page 77: ...the air conditioner switch the operation selector to the OFF position and then to the ON position NOTE The set temperature and fan speed are automatically set at the last selection before stopping 2 When the air conditioner is running If you want to turn off the air conditioner switch the operation selector to the OFF position DEMO TEST ON OFF Operation selector INDOOR UNIT 31 OI 275 31EG ...

Page 78: ...roperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Anti Mold Filter The anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks How to remove the anti mold filter 1 Grasp both ends of the air intake grille and pull it ...

Page 79: ...e harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases How to install the air clean filter The air clean filter needs to be installed behind the anti mold filter 1 Remove the anti mold filter 2 Install the air clean filter in the position shown in the diag...

Page 80: ...ipe away any remaining moisture Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture Tips for Energy Saving Do not Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged Let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the r...

Page 81: ...Clean air filter to improve airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 Remove it to ensure good airflow 5 Thermostat is set too high for cooling or too low for heating 5 Set the temperature lower or higher 6 Outdoor temperature is too low...

Page 82: ...SANYO Electric Co Ltd Osaka Japan SM700386 04 99 200 Printed in Japan ...

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