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Fuse

PCB Ass'y

Fig. 5

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.

Содержание CH1872

Страница 1: ...y reliability C Standardization D Design change E Addition of parts F New information Category Model Destination Serial No North America Issue Number 1 DC INVERTER SPLIT SYSTEM AIR CONDITIONER KHS1872 CH1872 KHS2472 CH2472 PRODUCTION CHANGE ADDED INFORMATION Date Aug 2006 New SM700656 01 6 7 8 and 9 A REFERENCE NO SM700656 01 Outdoor Model No CH1872 CH2472 Product Code No 1 852 330 38 1 852 330 39...

Страница 2: ... Contact SANYO Fisher Service Company A Division of SANYO North America Corporation 1165 Allgood Road Suite 22 Marietta GA 30062 U S A Sanyo Canada Inc 1 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA Aug 2006 T ...

Страница 3: ...CE MANUAL KHS1872 CH1872 KHS2472 CH2472 DC INVERTER SPLIT SYSTEM AIR CONDITIONER FILE NO Destination North America Outdoor Model No CH1872 CH2472 Product Code No 1 852 330 38 1 852 330 39 Indoor Unit Outdoor Unit KHS1872 KHS2472 CH1872 CH2472 REFERENCE NO SM700656 01 Indoor Model No KHS1872 KHS2472 Product Code No 1 852 099 85 1 852 099 86 ...

Страница 4: ...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...

Страница 5: ...aracteristics 6 2 Electric Wiring Diagrams 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection 7 2 Recommended Wire Length and Diameter 7 3 Remote Control Unit Installation 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 Disconnecting and Connecting Positive Connector for Outd...

Страница 6: ...ation 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 Additional Refrigerant 12 8 Retro Fitti...

Страница 7: ...67 F D B 57 F W B 80 F D B 67 F W B _ D B _ W B 1 OPERATING RANGE Maximum Minimum Maximum Minimum 115 F D B 67 F D B 75 F D B 65 F W B 0 F D B Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Heating 5 ...

Страница 8: ... Hi Me Lo Airflow Direction Indoor Horizontal Operation Sound R410A 2 87 1 300 Electric Expansion Valve Washable Anti Mold DC Twin Rotary Inverter 41 38 30 28 42 38 30 28 52 51 11 23 32 x 41 15 16 x 8 19 32 26 3 8 x 34 21 32 x 11 7 32 Flare Type 25 7 5 1 4 6 35 1 2 12 7 Outdoor Unit Indoor Unit Refrigerant Tube Diameter ft m dB A Cooling Unit Dimensions 1 2 to 5 15 Outdoor Hi Air Filter 187 to 253...

Страница 9: ...00 Shipping Cooling Unit Dimensions 1 2 to 5 15 Outdoor Hi Air Filter 187 to 253 4 89 Cooling Electrical Rating Flare Type 25 7 5 41 38 30 28 42 38 30 28 52 51 Qt Quiet mode Refrigerant Tubing Connections Heating W Power Input V A Available Voltage Range Running Amperes 1 4 6 35 1 2 12 7 Outdoor Unit Indoor Unit Optional Air Clean Filter 24 Hour ON or OFF Timer 1 Hour OFF Timer Auto and 3 steps Au...

Страница 10: ...oling 4 89 ft3 min m3 h 600 1 020 1 2 to 7 1 BTU h 14 800 Heating Total Capacity 29 000 4 000 to 24 200 24 200 4 400 to 29 000 Available Voltage Range V 187 to 253 Electrical Rating Cooling Power Input W Running Amperes A Power Factor 95 90 SEER BTU W 16 Features Controls Temperature Control Microprocessor I C Thermister Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hou...

Страница 11: ...Running Amperes A Power Factor 94 89 SEER BTU W 16 Features Controls Temperature Control Microprocessor I C Thermister Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Outdoor Auto and 3 steps Auto Hi Me Lo Airflow Direction Indoor Manual Auto Horizontal Vertical Air Filter Washable Anti Mold Compressor DC Twin Rotary Inverter lb g R410A 4 ...

Страница 12: ...1 8 Ambient Temp 68 o F 20 o C Nominal Output W Coil Resistance Ohm Coil Resistance Ohm Safety Device Rating Type Model Over Current Protection Ambient Temp 77 o F 25 o C Each Pair of Terminal 400 7 Control PCB CB KHS1872 Part No Fan Motor MP24Z3 12V DC 12V Heat Exchanger Coil Microprocessor 250V 3A Control Circuit Fuse Controls 1 D3 11 16 L33 9 32 D94 L845 RCS 4HVPIS4U Fan Cross Flow Remote Contr...

Страница 13: ... o C Nominal Output W Coil Resistance Ohm Coil Resistance Ohm Safety Device Rating Type Model Over Current Protection Ambient Temp 77 o F 25C o Each Pair of Terminal 400 7 Control PCB CB KHS2472 Part No Fan Motor MP24Z3 12V DC 12V Heat Exchanger Coil Microprocessor 250V 3A Control Circuit Fuse Controls 1 D3 11 16 L33 9 32 D94 L845 RCS 4HVPIS4U Fan Cross Flow Remote Control Unit Coil Rows Fins per ...

Страница 14: ...pacitor W Ohm CB CH1872 Part No CS 7L115 8 Type Model Q ty Microprocessor Rows Fins per inch Heat Exchanger Coil Aluminum Plate Fin Copper Tube 2 21 2 External Finish Acrylic baked on enamel finish Yes Safety Device Yes Face Area ft2 m2 5 49 0 510 Yes Coil FV50S 0 74 350 Compressor Compressor Model Nominal Output Type C 6RVN93H0M 1 050W DC Twin Rotary Hermetic Open 239 o F 115 o C Close 203 o F 95...

Страница 15: ...0S 1 49 700 U V 0 36 Run Capacitor CS 7L115 Open 239 o F 115 o C Close 203 o F 95 o C Overload Relay Yes Internal Controller Aluminum Plate Fin Copper Tube 2 18 1 Face Area ft2 m2 6 40 0 595 Coil Rows Fins per inch Heat Exchanger Coil Microprocessor 250V 25A Control Circuit Fuse Controls 1 D18 1 8 D460 Fan Propeller Ambient Temp 68 o F 20 o C SIC 71FW D490 1 1 Control PCB CB CH2472 Part No Fan Mot...

Страница 16: ...7 86 95 104 10 15 20 25 30 35 40 Indoor air temp sensor Model PTM D51H S3 2 TH2 Indoor heat exchanger sensor Model PTM D51H S3 2 TH1 Compressor temp sensor Model TKS293B Resistance k ohm Resistance k ohm Temperature F C Outdoor air temp sensor Model TKS295B Outdoor heat exchanger sensor Model TKS292B 40 35 30 25 20 15 10 5 0 4 5 14 23 32 41 50 59 68 20 15 10 5 0 5 10 15 20 Resistance k ohm Tempera...

Страница 17: ...3 DIMENSIONAL DATA Indoor Unit KHS1872 KHS2472 Unit inch mm 15 ...

Страница 18: ...ube service valve dia 1 2 12 70 4 3 8 2 5 32 6 17 32 5 23 32 3 32 26 3 8 670 23 32 1 13 16 34 21 32 880 23 15 16 5 11 32 15 32 11 7 32 285 12 7 32 13 5 32 11 17 32 I D 2 3 3 2 4 I D 1 5 1 6 1 3 8 2 17 32 2 13 32 Outdoor Unit CH1872 Unit inch mm 16 ...

Страница 19: ...ow tube service valve dia 1 4 6 35 4 7 16 5 29 32 2 1 32 4 1 2 29 1 8 740 23 32 1 21 32 35 7 16 900 23 15 16 5 11 32 15 32 12 19 32 320 13 19 32 14 17 32 11 17 32 I D 2 3 3 2 5 I D 1 5 1 6 1 3 8 2 15 16 2 7 8 Outdoor Unit CH2472 Unit inch mm 17 ...

Страница 20: ...iagram Indoor Unit KHS1872 KHS2472 Outdoor Unit CH1872 CH2472 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 5...

Страница 21: ...t air D B temp F C Outdoor inlet air D B temp F C 68 F 20 C 63 F 17 C Indoor air temp 73 F 23 C Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C 77 25 9 8 7 6 86 30 95 35 104 40 23 5 32 0 41 5 11 10 9 8 7 6 5 50 10 59 15 68 20 77 25 Operating current A 63 F 17 C Indoor air temp 73 F 23 C 68 F 20 C 77 25 50 0 10 60 8 16 53 6 12 57 2 14 64 4 18 68 0 20 86 30 95 35 104 40 23 5 32 0 41 5 ...

Страница 22: ...r fan speed High Low 75 F 24 C Indoor air temp 86 F 30 C 80 F 27 C Indoor air temp 86 F 30 C 75 F 24 C 80 F 27 C 75 F 24 C Indoor air temp 86 F 30 C 68 F 20 C 63 F 17 C Indoor air temp 73 F 23 C 68 F 20 C Operating current A Indoor discharge air temperature F C Indoor discharge air temperature F C 77 25 86 30 95 35 104 40 23 5 32 0 41 5 50 10 59 15 68 20 77 25 Outdoor inlet air D B temp F C Outdoo...

Страница 23: ...Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 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 KHS1872 21 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 ...

Страница 24: ...al distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 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 KHS2472 22 0 5 10 15 0 5 10 15 20 25 30 0 5 10 15 0 5 10 15 20 25 30 ...

Страница 25: ...formance at 230V Single phase 60Hz Rating conditions Running amp 0 3 Power input 34 7 1 1 541 7 4 1 575 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Rating conditions Running amp 0 3 Power input 32 7 4 1 468 Heating Cooling 230V 208V 2 Voltage 208V 1 Voltage 230V 7 7 1 500 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V S...

Страница 26: ...ase 60Hz Rating conditions Running amp 0 5 Power input 58 11 5 2 432 12 0 2 490 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Rating conditions Running amp 0 5 Power input 55 11 6 2 300 Heating Cooling 230V 208V 2 Voltage 208V 1 Voltage 230V 12 1 2 355 Indoor Unit Outdoor Unit Fan Motor Fan Motor Compressor Performance at 208V Single phase 60Hz Ratin...

Страница 27: ...AMP ASSY ROOM COIL 4P WHT DCM 6P BLU CONTROLLER FM FAN MOTOR 1 2 3 4 5 6 1 2 3 4 5 6 ROOM THERMISTOR BLK BLK BLK BLK 1 2 3 4 1 2 3 4 COIL THERMISTOR ION 3P WHT HA JEM A 1 2 3 1 2 3 4P WHT 1 2 4 BLK 3 BLK BLK RED WHT 1 2 3 4 1 2 3 4 ION ASSY ION TERMINAL 1 2 3 WHT BLK RED RED BLK YEL WHT BLU 8FA2 5257 70500 0 6 2 Electric Wiring Diagrams Indoor Unit KHS1872 KHS2472 WARNING To avoid electrical shock...

Страница 28: ...HT GRY RED ORG WHT COMPRESSOR THERMISTOR OVERLOAD RELAY OLR OUT DOOR THERMISTOR 1 2 3 4 1 2 3 4 COIL OUTDOOR YEL YEL COIL THERMISTOR 7P CONNECTOR WHT 2P CONNECTOR WHT MVO MAGNETIC COIL 2P CONNECTOR RED WHT WHT WHT WHT 1 1 2 2 BRN W BD W BD WHT W HIC W HIC BLK W AC2 W AC2 BLU N L GND 1 2 3 4 5 6 POWER SUPPLY W E1 GRN YEL W E GRN YEL TERMINAL PLATE FERRITE CORE GND TO INDOOR UNIT POWER RELAY 6 1 4 5...

Страница 29: ...LAY OLR OUT DOOR THERMISTOR 1 2 3 4 1 2 3 4 COIL OUTDOOR YEL YEL COIL THERMISTOR 7P CONNECTOR WHT 2P CONNECTOR WHT MVO MAGNETIC COIL 2P CONNECTOR RED WHT WHT WHT WHT 1 1 2 2 BRN W BD W BD WHT W HIC W HIC BLK W AC2 W AC2 BLU W W HEATER0 HEATER1 1P CONNECTOR WHT 1P CONNECTOR WHT WHT WHT WHT WHT 1 1 1 1 CRANKCASE HEATER N L GND 1 2 3 4 5 6 POWER SUPPLY W E1 GRN YEL W E GRN YEL TERMINAL PLATE FERRITE ...

Страница 30: ...nd 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 3 3 1 m away from any antenna or power lines or connecting wires used for television radio telephone security syste...

Страница 31: ...Exhaust fan NO 7 1 2 Outdoor Unit Fig 4 AVOID heat sources exhaust fans etc Fig 4 damp humid or uneven locations DO 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 or 5b provide a solid base level concrete pad concrete block 4 1 4 10 40 cm or 6 1 4 15 40 cm beams or equal a minimum of...

Страница 32: ...e firmly connected No wire should be allowed to touch refrigerant tubing the compressor or any moving part Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit Do not run wiring for antenna signal or power lines of television radio stereo telephone security system or intercom any closer than 3 4 1 m from t...

Страница 33: ...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 has ...

Страница 34: ...dicator lamps OPERATION lamp TIMER lamp QUIET lamp and ION 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 remote controll...

Страница 35: ...rame Fig 11a Pull the grill toward you to remove it How to replace the grille 1 2 3 4 5 6 a b When installing the grille place the bottom of the grille into the frame first Fig 11b Then insert the tabs on the top of the grille and on the front face into the frame Make sure that the grille and frame are firmly fitted together by engaging the tabs Attach the thermistor on the grille Fig 10a Close th...

Страница 36: ...is automatically set to B Fig 14 3 Press and hold the remote controller ION 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 below Press...

Страница 37: ...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 2 D...

Страница 38: ... the remote controller malfunctions has been lost or otherwise cannot be used The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation and 4 F 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 bet...

Страница 39: ...ears on the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected Thi...

Страница 40: ... drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off Approx 127 53 At stability of operation At start of operation A High LL Stopped A B C B Indoor heat exchanger A Control start B Control end Set fan speed 77 25 86 30 Approx 104 40 a b c d a b c ...

Страница 41: ...way valve ON Outdoor heating exchanger temp is over 57 2 F 14 C Defrosting operation lasts 12 minutes maximum 2 minutes after it is stopped compressor is ON 4 way valve is ON Outdoor fan is ON If the air conditioner is turned off during the defrosting cycle it will continue defrosting and turn itself off after defrosting is completed Compressor 1 minute after it is stopped compressor is ON Outdoor...

Страница 42: ...re below to perform detailed trouble diagnostics Step 1 Press and hold the remote controller ION button and 1 HR TIMER button At the same time press the ACL reset button Use a pointed 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 Step 2 Next press the 1 HR TIMER button once to change the di...

Страница 43: ...board failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location 3 Outdoor circuit board failure Outdoor circuit board failure 1 Mis wiring 2 AC power failure 3 Blown fuse 4 Power relay failure 5 Indoor or outdoor circuit board failure 1 HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power outage 4 Service valve ...

Страница 44: ... function fails to operate Check the indoor unit Is the fuse blown Replace the controller Replace the circuit board or the fuse No indicators illuminate and the indoor fan does not rotate Check the power voltage Normal Blown 42 ...

Страница 45: ...nals L and N If there are no problems with the above then check the indoor unit Turn the power OFF before performing short circuiting procedures Refer to the previous pages when performing system self diagnostics So that the check can be made quickly indicators blink at first communication after power ON Before performing the above checks perform TEST run operation and check that the rated voltage...

Страница 46: ...ed Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Diagnostic results All of the above measured values are normal Fan motor trouble Repl...

Страница 47: ...m 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 identify whether the trouble is outdoor unit controller trouble or motor trouble Therefore first replace the outdoor unit controller then if necessary replace the DC motor Important A T...

Страница 48: ...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...

Страница 49: ...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...

Страница 50: ... 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 48 ...

Страница 51: ...use of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge 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 ...

Страница 52: ...n 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 points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation A D Flare tool for R410A A D Conventional flare tool R22 Spacer 12 2 Checklist before Servicing Use a clutch type...

Страница 53: ...s which 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 i...

Страница 54: ...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 damaged i...

Страница 55: ...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 charge the air condi...

Страница 56: ...lux 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 pump s...

Страница 57: ... 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...

Страница 58: ...INSTRUCTION MANUAL KHS1872 CH1872 KHS2472 CH2472 OI 852 6 4180 801 00 0 APPENDIX 56 ...

Страница 59: ...rner Auto Flap Control This automatically sets the flap to the optimum position during heating cooling and drying operation Automatic Switching between Cooling and Heating This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting Hot Start Heating System Right from the start the air is warm ...

Страница 60: ...e 25 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 __________________________________________...

Страница 61: ... install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Never use ...

Страница 62: ...lown 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 Outd...

Страница 63: ...mp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode ION lamp This lamp lights during operation in the ION mode while the indoor unit is operating The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode QUIET REMOTE CONT...

Страница 64: ...mer 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 ION 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 time d...

Страница 65: ...negative ions generated during operation on and off ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Transmitter Sensor Cover closed Display FAN SPEED selector button FLAP button ON TIME setting but...

Страница 66: ...n 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 FLAP button Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically Auto flap...

Страница 67: ... not be bent The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases ...

Страница 68: ...e remote control unit every 5 minutes Mounting the Remote Control Unit 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 has received the signal To take out the remote control unit pull it forward When Holding the Remote ...

Страница 69: ... 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 STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again To change the temperature setting press the temperat...

Страница 70: ...ration 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 Set the FAN SPEED selector button to the setting you want STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjust...

Страница 71: ...the event of power failure the unit will stop 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the position This automatically sets the best fan speed for the room temperature B Manual fan speed If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired or 4 Fan Only If you want to circulate air without any...

Страница 72: ... of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature Press the NIGHT SETBACK button 30 min 30 min Time 2 F 2 F When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after th...

Страница 73: ...essed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High HIGH POWER Mode cannot be used when the operation mode is Automatic Operation QUIET Mode and HIGH POWER Mode cannot be used at the same time 8 ION Mode The ION mode is used during operation to generate negative ions that freshen up the air in the room Press the ION butt...

Страница 74: ...nately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold draft prevention For several minutes after the start of heating operation the indoor fan runs at lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain stop...

Страница 75: ...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 again This completes the setting of the current time 1 Press the OFF TIME setting button once The timer indication is displayed and the present OFF time is shown 2 Press the Advance Return button until AM 11 00 is di...

Страница 76: ...r operates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7 10 is displayed The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Wait a few seconds and then t...

Страница 77: ...to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence 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 Operation together with the DAILY ON OFF REPEAT Timer The 1 Hour OFF...

Страница 78: ...on position 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 Use the FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should ...

Страница 79: ... 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to for...

Страница 80: ...e the anti mold filter 1 With the FRONT mark of the anti mold filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the anti mold filter 2 Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside 3 To attach the air intake grille to the indoor unit press its bottom ...

Страница 81: ...e stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water Removing and remounting the air intake grille Refer to How to remove the anti mold filter and How to replace the anti mold filter on page 23 When using a footstool or the like be careful not to let it tip over Washing the grille with ...

Страница 82: ...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 for heating 6 Consult your dealer or try to use another h...

Страница 83: ... Contact SANYO Fisher Service Company A Division of SANYO North America Corporation 1165 Allgood Road Suite 22 Marietta GA 30062 U S A Sanyo Canada Inc 1 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA Aug 2006 T ...

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Sanyo CH1872, Руководство по обслуживанию

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