Sanyo SAP-CRV126EHDS Technical & Service Manual Download Page 37 | Manualshive

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Heat exchanger

Heat exchanger

Fan bearing

Fan

8-10. Removing the Fan

(1) Remove 3 screws.

(2) Uphold the left side of the head exchanger so that it is

not seated anywhere (so as to remove the fan).

Pull the fan bearing toward you and remove it, and

remove the fan as pulling it from underneath.

NOTE

Be sure to proceed after having removed

the drain pan (Air Outlet Ass'y) and fan

motor according to sections "8-8. and 8-9."

NOTE

When sliding the heat exchanger or remove the fan,

be sure to wear work gloves so as not to injure your

hands by fins of the heat exchanger.

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Summary of Contents for SAP-CRV126EHDS

Page 1: ...S SAP CRV126EHDS Product Code No 1 852 340 73 1 852 340 74 Outdoor Unit SAP KRV96EHDS SAP KRV126EHDS SAP CRV96EHDS SAP CRV126EHDS REFERENCE NO SM700708 RoHS WARNING This product does not contain any hazardous substances prohibited by the RoHS Directive These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit You are requested to use RoHS compliant parts for...

Page 2: ...e fire hazard 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 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 construc...

Page 3: ...n Position 7 4 How to Test Run the Air Conditioner 7 5 Remove the Grille to Install the Indoor Unit 8 MAINTENANCE 8 1 Address Setting of the Remote Control Unit 8 2 Removing and Mounting the Drain Hose 8 3 Removing the Grill 8 4 Removing the Electrical Component Box 8 5 Removing the P C Board 8 6 Removing the Panel Motor 8 7 Removing and Mounting the UV antibacterial filtration unit 8 8 Removing t...

Page 4: ...PONENTS 11 1 Measurement of Insulation Resistance 11 2 Checking Continuity of Fuse on PCB Ass y 12 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 12 1 Characteristics of New Refrigerant R410A 12 2 Checklist before Servicing 12 3 Tools Specifically for R410A 12 4 Tubing Installation Procedures 12 5 In Case of Compressor Malfunction 12 6 In Case Refrigerant is Leaking 12 7 Charging Additi...

Page 5: ...GE Maximum Minimum Maximum Minimum 32 C D B 23 C W B 19 C D B 14 C W B 27 C D B 16 C D B 43 C D B 15 C D B 24 C D B 18 C W B _ D B 15 C W B Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Heating 5 ...

Page 6: ...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 Refrigerant Tube Kit Accessories Narrow tube Wide tube Refrigerant mm in Tube Diameter mm in 0 21 38 0 325 9 5 367 36 0 11 5 0 06 619 931 789 180 790 265 239 862 Outdoor Unit Indoor Unit 265 565 6 35 1 4 9 52 3 8 m Max allo...

Page 7: ...s Unit Dimensions Height Operation Sound Electrical Rating Air Circulation High Moisture Removal High W Power Input V A Available Voltage Range Running Amperes Refrigerant Tube Kit Accessories Narrow tube Wide tube Refrigerant mm in Tube Diameter mm in 0 21 38 0 325 9 5 367 36 0 11 5 0 06 619 931 789 180 790 265 239 862 Outdoor Unit Indoor Unit 265 565 6 35 1 4 9 52 3 8 m Max allowable tubing leng...

Page 8: ...opper Tube 2 1 2 0 175 Face Area Coil Rows Fin Pitch Heat Exchanger Coil m2 mm DATA SUBJECT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3 15A CB KRV96EHDS 1 D85 L551 RCS 6MHVPUSW4E Cross Flow DC Motor SIC 39CVL D847 3 A 1 8 30 1 550 1 600 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type mm Fan Motor...

Page 9: ...e Area Coil Rows Fin Pitch Heat Exchanger Coil m2 mm DATA SUBJECT TO CHANGE WITHOUT NOTICE Over Heat Protection Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3 15A CB KRV126EHDS 1 D85 L551 RCS 6MHVPUSW4E Cross Flow DC Motor SIC 39CVL D847 3 A 1 8 30 1 650 1 800 Internal Controller Yes Fan Remote Control Unit Q ty Dia and Length Type mm Fan Motor Nominal Output Coil Resi...

Page 10: ...ount 8 60 750 750 Ohm DC Motor Type Compressor Model Nominal Output Compressor Coil Resistance Ambient Temp 20 C Ohm DC Rotary Hermetic C 1RVN68H0K 675W R S 0 632 S T 0 632 T R 0 632 CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Safety Device Micro F VAC Run Capacitor Crankcase Heater Yes Yes Yes 1 D400 Fan Propeller Q ty Dia m...

Page 11: ... Ohm DC Motor Type Compressor Model Nominal Output Compressor Coil Resistance Ambient Temp 20 C Ohm DC Rotary Hermetic C 1RVN68H0K 675W R S 0 632 S T 0 632 T R 0 632 CT Peak current cut off control Compressor Discharge Temp Control Operation cut off control in abnormal ambient Temp Safety Device Micro F VAC Run Capacitor Crankcase Heater Yes Yes Yes 1 D400 Fan Propeller Q ty Dia mm Type Type Ambie...

Page 12: ...9Y TH1 Humidity sensor Model C10 M52R SY2 Indoor heat exchanger sensor Model DTN TKS319Y TH2 Compressor temp sensor Model DTN TKS335B Resistance k ohm Resistance k ohm Resistance k ohm Temperature C Temperature C Outdoor air temp sensor Model 1FA4V2E034000 Outdoor heat exchanger sensor Model DTN TKS334B 40 35 30 25 20 15 10 5 0 20 15 10 5 0 5 10 15 20 Temperature C Relative Humidity RH Resistance ...

Page 13: ...3 DIMENSIONAL DATA Indoor Unit SAP KRV96EHDS SAP KRV126EHDS Unit mm 13 ...

Page 14: ...Outdoor Unit SAP CRV96EHDS SAP CRV126EHDS Unit mm 790 72 Wide tube service valve dia 9 52 3 8 ID 19 Narrow tube service valve dia 6 35 1 4 565 16 109 55 155 2 91 265 25 46 290 315 608 309 12 5 3 14 ...

Page 15: ...126EHDS Outdoor Unit SAP CRV96EHDS SAP CRV126EHDS 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 condensation both tubes must be well insulated with a proper insulation material The thickness of the insulation should be a min 8 mm After a ...

Page 16: ...ndoor outdoor value Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode Refer to 9 2 Overload prevention during heating Points of rating condition Black dots in above charts indicate the following rating conditions NOTE Cooling Heating 30 35 40 1 2 12 2 1 4 14 2 1 0 10 2 0 8 8 2 25 Outdoor fan speed High Low 27 C 24 C ...

Page 17: ...air D B temp C Outdoor inlet air D B temp C Operating current A Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor inlet air D B temp C Low pressure at wide tube service valve MPaG kgf cm 2 G High pressure at wide tube service valve MPaG kgf cm 2 G 30 35 40 1 2 12 2 1 4 14 2 1 0 10 2 0 8 8 2 25 Outdoor fan speed High Low 27 C 24 C Indoor Air Temp 30 C...

Page 18: ...ir velocity m s Vertical distance m Room air temp 27 C 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 5 2 Air Throw Distance Charts Indoor Unit SAP KRV96EHDS 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 18 ...

Page 19: ...tance m Axis air velocity m s Vertical distance m Room air temp 27 C 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 KRV126EHDS 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 19 ...

Page 20: ... C D B Rating conditions Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Heating Cooling 3 26 630 Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp A 0 35 Power input W 32 3 68 803 4 03 835 Indoor Unit SAP KRV126EHDS Outdoor Unit SAP CRV126EHDS Indoor Unit Outdoor Unit Complete Unit Fan ...

Page 21: ...LU BLU CONTROLLER FLAP1 FLAP MOTOR FLAP1 WHT ELEC JB1 WHT UV RED EARTH PLATE TERMINAL BASE JOINT BOX EVAPORATOR TO OUTDOOR UNIT ROOM COIL WHT HUM RED SW2 BLU LAMP WHT SW1 WHT DC OUT WHT WHT WHT RED THERMISTOR ROOM THERMISTOR COIL THERMISTOR HUM PANEL SW UV UNIT IND LAMP ASSY SW ASSY PANEL WHT DCM BLU WHT HA JEM A PANEL MOTOR DC FAN MOTOR UPPER FLAP MOTOR LOWER WHT WHT WHT RED WHT BLU 1 1 2 2 3 3 4...

Page 22: ...CTOR THERMISTOR COIL THERMISTOR OUTDDOR CM COMPRESSOR MOTOR FERRITE CORE REACTOR R T S THERMISTOR 4WAY VALVE COIL FAN MOTOR RV FM MV MAGNETIC COIL SI WHT T RUN TEST BLK MV WHT OUTDDOR WHT COIL COMP WHT DCFM TLC 1 1 2 3 1 2 2 1 1 2 2 3 3 4 4 5 5 6 6 1 1 2 2 3 3 4 4 5 5 6 6 7 7 1 1 2 2 3 3 4 4 W W W W 1 2 3 4 5 6 7 W W W W W W W W W W W W W W 1 2 3 L N BLK GRN GRN WHT WHT RED GRN GRN WHT BLK BLK WHT...

Page 23: ...ide allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 1 install the unit within the maximum elevation difference H above or below the outdoor unit and within a total tubing length L from the outdoor unit as detailed in Table 1 and Fig 2 Install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for television ...

Page 24: ...ation where snow will not blow into it choose a place as cool as possible choose a place that is well ventilated allow enough room around the unit for air intake exhaust and possible maintenance Fig 5a provide a solid base level concrete pad concrete block 10 40 cm beams or equal a minimum of 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreas...

Page 25: ...nes of television radio stereo telephone security system or intercom any closer than 1 meter from the power cable and wires between the indoor and outdoor units Electrical noise may affect the operation To avoid the risk of electrical shock each air conditioner unit must be grounded For the installation of a grounding device please observe local electrical codes Grounding is necessary especially f...

Page 26: ... is an obstacle between the remote control unit and the air conditioner since a check signal is sent from the remote control unit every 5 minutes 7 3 1 Mounting on a Wall Before mounting the remote control unit press the ON OFF operation 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 ...

Page 27: ... air with the 3 indicator lamps OPERATION lamp TIMER lamp and LED CLEAN lamp on the main unit blinking Fig 8c After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cool mode test run is unaffected by the room temperature 3 Press the ON OFF operation button of the remote controller again to stop the test run Fig 8a 4 Finally press the ACL reset button of the re...

Page 28: ...he grille into the flap with the flap at a more or less horizontal position 2 While aligning both edges of the grille with the frame move the panel horizontally and insert the top and bottom into the frame 3 Press the air discharge outlet firmly with your hand to ensure no gap exists between the main unit and grille 4 Tighten the 2 screws and close the screw covers Also tighten the 3 screws of the...

Page 29: ...ess is automatically set to B Fig 14 3 Press and hold the remote controller LED CLEAN button and 1 HR TIMER button At the same time press the ACL reset button Use a thin object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display changes as shown b...

Page 30: ...m the stopper and pull the hose out 2 To mount the drain hose insert the hose all the way into the outlet of the drain pan with the drain cramp face down Then put it in place so that the drain cramp is placed beneath the stopper After mounting it be sure to check that the drain hose is firmly mounted 8 3 Removing the Grill 1 Fully open the front panel Widen the arm while holding the front panel ad...

Page 31: ...x Release the tab Electrical component box pad plate Release the 2 tabs Tab Tab 8 4 Removing the Electrical Component Box 1 Remove the temperature humidity sensor from the sensor plate 2 Remove the operation box of the main body 3 Remove the electrical component box pad plate 4 Pull out the fan motor lead wire upper lower flap motor lead wire and UV antibacterial filtration unit lead wire from the...

Page 32: ... Board and so on Electrical component box Pull out the ground terminal lead and the heat exchanger temperature sensor lead from hook 7 Remove the screw and the drain guide plate The screw tighten the drain guide plate and the electrical component box 8 Remove the ground terminal and the heat exchanger temperature sensor 9 Release the right side tab of electrical component box and pull out the elec...

Page 33: ...and left side tabs 8 5 Removing the P C Board 1 Remove the indicator 2 Release the tab 1 Then release the tab 2 and separate the electrical component box into 2 parts 8 6 Removing the Panel Motor 1 Remove the connector of panel motor 2 Remove the screw to remove the panel motor 3 Disconnect all connectors on the control 33 ...

Page 34: ...oving and Mounting the UV antibacterial filtration unit 8 7 1 Removing the UV unit 1 Remove the screw and release 4 tabs Remove the UV unit cover 2 Slightly roatate the UV unit to torward you Arrow 1 and pull it out Arrow 2 NOTE UV antibacterial filtration unit UV unit 34 ...

Page 35: ...ht in the arrow direction and the hooked part can be released 2 Center part of the air outlet Press the center part of the air outlet in the arrow direction and the tab can be released The center part of the air outlet may be removed together with the right side drain pan when it is removed 8 8 Removing the Drain Pan Air Outlet Ass y Remove the hooks 1 2 and 3 which secure the drain pan 35 ...

Page 36: ...an mounting screw with hex wrench of 2 5 mm opposite side distance 2 Remove 2 screws and the fan motor mounting bracket 3 Remove the fan motor while pulling out the shaft 8 9 2 Mounting the Fan Motor To mount the motor reverse the steps for removal 3 Left side drain pan Press the back left in the arrow direction and the hooked part can be released 4 Removing the drain hose Refer to 8 2 Removing an...

Page 37: ...move the fan Pull the fan bearing toward you and remove it and remove the fan as pulling it from underneath NOTE Be sure to proceed after having removed the drain pan Air Outlet Ass y and fan motor according to sections 8 8 and 8 9 NOTE When sliding the heat exchanger or remove the fan be sure to wear work gloves so as not to injure your hands by fins of the heat exchanger 37 ...

Page 38: ...lways hold the cover to disconnect See illustration at left For the connector without the resin cover push the lock in the direction of 2 while pulling it off How to Connect In order to connect hold the resin cover of the connector and push it in Confirm the click sound for the inside lock Pull the cover upward When the cover is pulled upward the lock is released with the sequence of 1 and 2 8 11 ...

Page 39: ...perature is 2 C below the detected room temperature in the case of cooling operation and 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO GREEN RED Lamp Off COOL HEAT STOP When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to Cooling or Heatin...

Page 40: ... sacrificing comfort This function is convenient when gentle heating is needed HIGH POWER NIGHT SETBACK Lamp colors Timer backup This function acts to raise the power but keeps the AC system in the same operating mode This function is set with the HIGH POWER button on the remote controller It can be set regardless of the temperature and fan speed settings HIGH POWER operation from remote controlle...

Page 41: ...the air conditioner will work less than the maximum frequency until it is turned off The Freeze Prevention Control during the Low Ambient Cooling Mode outside air temperature 15 C or lower is as follows The compressor stops when the temperature of indoor heat exchanger becomes less than 2 C The compressor restarts when the temperature of indoor heat exchanger becomes 8 C or higher Approx 53 Normal...

Page 42: ...al ambient temperature t 33 C Mode Heating Cut off action High ambient temp cut off Thermo off t ambient temp Thermo on t ambient temp t 29 C t 20 C Low ambient temp cut off t 16 C NOTE Heating operation Frost sensing Reverse cycle defrosting operation Defrosting Sequence Releasing of defrosting Outdoor fan ON 4 way valve ON Outdoor heating exchanger temp is over 20 C Defrosting operation lasts 12...

Page 43: ...roblem or the ROM has not been installed Make sure the ROM is in existence 2 The failure mode is stored in memory even when the power is not ON Follow the procedure below to perform diagnostics Turn the power supply switch ON However the A C itself should remain stopped Press and hold the TEST RUN button on the main unit controller until the buzzer sounds 1 time At this time releasing the TEST RUN...

Page 44: ...at connector Outdoor circuit board failure Indoor fan system failure Shortage of refrigerant Low temperature operation 1 2 1 2 1 2 1 2 1 2 3 Locked fan motor Contact failure at connector Noise instantaneous power blackout or power waveform error due to lightning or other factor 1 2 1 2 3 HIC or power Tr failure Outdoor fan does not turn Instantaneous power outage Service valve not opened Outdoor f...

Page 45: ...r unit 1 Press and hold the TEST RUN button on the main unit controller until the buzzer sounds 1 time 2 The rated voltage must be present between inter unit wirings 1 and 2 Connect a 5 kohm resistor between inter unit cables 2 and 3 When the voltage at both ends is measured approximately 12 to 15 V DC must be output and the multimeter pointer must bounce once every 8 seconds Or instead of measuri...

Page 46: ...r unit might be considered Connection error between the P C Board in the indoor unit and J B 1 Disconnect the inter unit wiring on the outdoor unit side 2 Operate the system in the TEST RUN mode Yes No An error in the P C Board in the indoor unit might be considered Connection error between the P C Board in the indoor unit and J B An error in the inter unit wiring might be considered ex wire break...

Page 47: ...Then five minutes later perform the self diagnosis Condition E01 Condition E12 Condition E01 An error in the P C Board in the indoor unit might be considered Connection error between the P C Board in the indoor unit and J B An error in the P C Board in the outdoor unit might be considered Terminal board error etc An error in the inter unit wiring might be considered ex wire breaking or connection ...

Page 48: ...low Pin 6 PG blue Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the indoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the indoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during indoor unit operation Trouble symptom 5 Fan motor rotation speed varies excess...

Page 49: ...ickly stops when the outdoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during outdoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during outdoor unit operation Remedy for symptom 3 to 5 It is not possible to iden...

Page 50: ...distance from the noise source 1 Use shielded wires 2 Move unit away from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker 2 Electromagnetic interference This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric...

Page 51: ...haft Arm Groove Close the front panel and push at the arrow to firmly fix it 1 2 10 6 Checking and Troubleshooting when the Front Panel fails to work 10 6 1 Checking the Front Panel when it fails to work during operation 1 Is the grille mounted in place Check in particular that the upper right screw is adequately tightened 2 Are the 4 levers on the rear of the front panel tightened The figure show...

Page 52: ...e panel motor with new one Lead wire color Coil Resistance GRAY GRAY 70 ohm 10 6 2 Making a Diagnosis of the Panel Motor 1 If no abnormality was found in 1 to 3 of the previous section then carry out diagnosis of the panel motor which activated the front panel 2 Remove the panel motor connector 3 Measuring coil resistance of the panel motor Carry out measurement of the resistances as listed below ...

Page 53: ...g 1 11 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 11 1 3 Outdoor Unit Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and me...

Page 54: ... Fig 6 Fuse 11 2 Checking Continuity of Fuse on PCB Ass y Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 Check for continuity using a multimeter as shown in Fig 6 54 ...

Page 55: ...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 56: ...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 57: ...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 58: ...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 59: ...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 60: ...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 61: ... R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 12 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 62: ...INSTRUCTION MANUAL SAP KRV96EHDS SAP CRV96EHDS SAP KRV126EHDS SAP CRV126EHDS OI 852 6 4180 925 00 0 APPENDIX 62 ...

Page 63: ...etting Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes High Power Operation If not in Auto Operation the unit operates at...

Page 64: ...n for 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 ...

Page 65: ...h refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components INDOOR UNIT Air intakes Remote control unit Air outlet Refrigerant tubes Drain hose OUTDOOR UNIT Air outlet NOTE REMOTE CONTROL receiver This section picks up infrared signal...

Page 66: ...r OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation 10 LED CLEAN operation Displayed when setting timer Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when the ti...

Page 67: ...ration the flap is set to position 3 in the following chart If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically When you press the FLAP button the air flow direction will be changed one by one as follows NOTE SWEEP CANCEL button LED CLEAN button If this button...

Page 68: ...s the humidity in the room COOL The air conditioner makes the room cooler FAN The air conditioner works only as a circulation fan NIGHT SETBACK button For details see 5 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy HIGH POWER button If this button is...

Page 69: ...tain or other places where it is covered More than 8 m away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes MOUNTING THE REMO...

Page 70: ...d change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation For fan only 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 STEP 4 S...

Page 71: ...steps STEP 1 Press the MODE selector button to switch to the fan mode STEP 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan speed of your choice or STEP 2 STEP 1 STEP 3 When the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another ...

Page 72: ...f the indoor temperature is 15 C or less Heating performance Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system 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 together with it Defrosting When the outdoor temperature is low fr...

Page 73: ...mer are set to the same time the timer operates as if it is turned off Operation Indication 1 Press the CLOCK button once if the time indicator is not flashing The time indication alone flashes 2 Press the Advance Return button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button ag...

Page 74: ...other openings closed ADJUSTING THE AIRFLOW DIRECTION 1 Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right When the humidity is high the vertical vanes should be in the front position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to form a...

Page 75: ...ubgrille onto the front panel then tighten the four levers Support the nearest point of the front panel keeping it horizontal then push arm axis to the grooves at the top of the indoor unit Press the locations marked by the arrows and close the front panel How to remove the anti mold filter 1 Open the front panel until it is nearly horizontal grasp the sections near the front panel arms on both si...

Page 76: ... 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 Front panel Anti mold filter Protrusion Center hook Air clean filter NOTE Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 1 Restore power 2 Leakage circuit breaker tripped 2 Contact service center 3 Line vo...

Page 77: ...SANYO Electric co Ltd Osaka Japan Jan 2007 Printed in Japan T ...

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