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1. leg part 600 90 Dia 11 14U shape hole For dia 8 10 anchor bolt L ala Z 5 P 2 o 2 o o 2 qo OO e SS 7 7 7 J Si aloe oe Co S 22 g I 8 dia 7 hole SS a NN For fixing outdoor unit 7 Ce dia 11 x 14 long hole leg part a For dia 8 10 anchor bolt g 257 e145 69 5_ 147 o Packed valve cover 157 Ko La ry Fan guard T G S 2 Connecting pipe port re x Pipe dia 6 35 22 Connecting pipe port Pipe dia 9 52 10SAVP E ND H 5 Pipe dia 9 52 13SAVP E ND o y 25 S Pipe da 127 16SAVP E ND v D Les x D k 780 ZU Charging port 32 500 gt 4 dia 4 5 embossment Outside line 11 of product meer ee 7 Detailed A leg part U Jl 2 dia 7 hole S oi d Outside line TN of product n amp 138 Ns 154 _ 600 Mounting dimensions of anchor bolt Fin guard Detailed B leg part 2 dia 11 x 14U shape hole For dia 8 10 anchor bolt Intake gt 100 or more F 320 Unit mm When iastalling the outdoor unit 600 Leave open in at least two of Intake directions A B C
2. a tr Exchanger Wh Sensor ae ok ASAE IA GY __ l M BE CNA k YELI Cn42 CN02 CNO1 CNS RED bd WHI EAM Micro SW Heat Exchanger I Sensor TC BLK pwn Ce apy ONES AG 250V org SI BLU T3 15A p se 7 Thermo Sensor Varistor Gi BLK TA BLK vr cnet Ka CN31 44 DC Motor KA WHI PRA Gr wH HH wn oo ae 1 s 0 Ba Line Filter 3 g n lt oh DC5V o d lO lt f Main P C Board Kg DC12V O Louver Motor gt gS MCC 5045 LN me o G 12 L i eiga S Nutt ENEE eegen WHI WHI 20 5 3 Outdoor Unit RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Compressor d Fan Motor IN DE RED P04 ae WHI P05 CM Be BLK J POG Q200 205 Q300 305 Mj ee i IGBT MOS FET sa rar PT oe R204 pa PN Fe 1 Pulse Motor Valve P25 poe YEL P24 i NW wy 4 KR mil eler eid r mn 1 e a e e ki Ke pee R219 R319 set allie Le A Je SOM ed P35 MCC 5009 Suction pipe Temp Sensor F03 Fuse P19 250V ORN T3 15A Reactor Go CG GE LO1 Varistor P08 E Loo 00 Sep i Varistor F01 ischarge pipe iT ae Temp Sensor 250V Surge Absorber T25A DU Pos PO P02 Condenser pipe B
3. Louver Directs downward 8 2 Louver position in heating operation SLEEP MODE operation In case that the following temp is Heating operation P ful In case that the following temp is obtained obtained during 12 to 25 minutes from AUTO HEAT owertu during 12 minutes or 12 to 25 minutes start of heating operation from start of heating operation Room temp Ta gt Set temp Tsc 3 0 Room temp Ta lt Set temp Tsc 3 0 or when 25 minutes or more passed from start of heating operation EE a Heating storage position Cooling storage position Louver Directs downward 81 Louver Directs downward 23 Initial setting of Heating storage position Louver Directs downward 81 Heating storage position Louver Directs downward 81 3 Louver position in dry operation Dry operation Only when the operation frequency is COOL Min Hz under condition of Room temp Ta lt Set temp Tsc 1 0 Kee A Initial setting of Cooling storage position Louver Directs downward 23 Louver Directs downward 8 2 Air direction adjustment _ e The louver position can Air direction be arbitrarily set up by pushing FIX button Horizontal Inclined Blowing Inclined Horizontal blowing blowing downward blowing blowing LACAVA CA IA 3 Swing e Swing operation is performed in width 35 wi
4. Part name Front panel Procedures Remarks 4 Push PUSH part under the front panel and remove hooks of the front panel from the installation plate Installation plate Ta Front panel 6 Push 5 Remove the front panel fixing screws 2 pcs 6 Push the electric parts box with the right thumb while pulling the both sides of the front panel toward you lt How to assemble the front panel gt Protrusion 1 Push three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Insert the electric dust collector and left and right air filters Push in the electric dust collector until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws e Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 90 Part name Procedures Remarks High voltage 1 Follow to the procedure in the item generator 2 Disconnect the connectors of the high voltage generator and disconnect the four leads from where they are fitted into the other components 3 Remove the fixing screw which secures the ule 9 high voltage generator and remove the aoe 97 High voltage high voltage generator from the evaporator Sak lt How to
5. RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND 238 243 214 216 213 225 226 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No 43005709 Panel Ass y Front 43049674 Spring 16SKVP ND 43009694 Grille Air Inlet 43047673 Pipe Ass y Connecting 43080512 Filter Air Right Liquid 43080521 Filter Air Left 43044821 Evaporator Ass y 43009693 Louver Horizontal RER 43044822 Evaporator Ass y Description Description 4302C067 Motor Fan DC 16SKVP ND 4302D003 Motor Louver 43039324 Guide Drain 4306A024 Cord Motor Louver 43019904 43039363 Band Motor Left 43049770 Holder Sensor Holder Evaporator Right Cover Terminal Cover Lead Plate Installation f Holder Remote Controller 4301V028 Holder Pipe 43003311 Body Ass y Back 43049701 Pipe Shield 16SKVP ND 43070188 Hose Drain 43049698 Pipe Shield 43079268 Cap Drain 10SKVP ND 13SKVP ND i 43047671 Pipe Ass y Connecting Gas 088018 See Ge e 43080528 Plasma Pure Filter 43047672 Pipe Ass y Connecting Gas 16SKVP ND 43080563 Generator Ass y HV 4308N972 Owner s Manual 43039321 Base Bearing 43062256 43020346 Fan Cross Flow 43062247 43039314 Band Motor 43082293 43020253 Bearing 43083071 110 403 404 The parts in the following parts l
6. 103 Part name Electronic expansion valve coil Procedure 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2 Remove the coil by pulling it up from the electronic control valve body 2 Attachment 1 When assembling the coil into the valve body ensure that the coil anti turn lock is installed properly in the pipe lt Handling precaution gt When handling the parts do not pull the leads When removing the coil from the valve body use your hand to secure the body in order to prevent the pipe from being bent out of shape Remarks Coil anti turn lock position Coil inserting position Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specified positions DT a Minus screwdriver Hooking claw e Part name Procedure Remarks TE sensor outdoor heat exchanging temperature sen
7. ture of indoor heat e A g the compressor speed is re exchanger In cooling dry operation the sensor of indoor heat duced P zone exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat 2 When temperature of the indoor exchanger does not exceed the specified value heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone Usual cooling capacity control 3 When temperature of the indoor heat exchanger rises to 7 C or higher the capacity control When th lue i operation returns to the usual in Gone h S control in cooling operation compressor speed R zone is kept Reduction of compressor speed Indoor heat exchanger temperature lt In heating operation gt 1 When temperature of the indoor Prevent overpressure control for refrigerating cycle heat exchanger rises in the range from 52 C to 56 C the compres sor speed is kept Q zone In heating operation the sensor of indoor heat exchanger detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value When temperature of the indoor heat exchanger drops in the range from 48 C to under 56 C the compressor speed is kept Reduction of compressor speed Q zone 2 When temperature of the indoor heat exchanger rises to 56 C or higher the compressor speed is See reduced
8. 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble CN300 when rotating it with hands If the resistance value between Red lead White lead White lead Black lead Black lead Red lead of the connector CN300 Motor winding is 20 to 220 it is normal Fan motor is normal Outdoor P C board error Fan motor error NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor 88 12 HOWTO REPLACE THE MAIN PARTS WARNING e Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is
9. C lt Heating gt Capacity ratio RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND lt Cooling gt Capacity ratio 110 100 80 60 Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 50 EE 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C lt Heating gt Capacity ratio 120 0 15 120 0 15 Conditions Indoor DB 20 C Indoor air flow High Pipe length 5m 5 0 5 7 10 Outdoor temp C Conditions Indoor DB 20 C Indoor air flow High Pipe length 5m 5 0 5 7 10 Outdoor temp C 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refriger ating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressu
10. Check whether or not the fuse F01 is blown Impulse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second it is not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CNO1 AC 220 240V 2 Between and of C03 DC 310 340V Between of C124 and output side of IC13 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter L01 resistor R02 or the diode DB01 is defective IC11 IC13 and T101 are defective IC11 IC13 and T101 are defective 1011 IC13 IC14 and T101 are defective Push START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN51 and No 1 of CNO1 DC 15 60V IC51 and IC52 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN21 is defective Push START STOP button once to start the unit e Shorten the restart delay timer Set the operation mode to COOL e Set the fan speed le
11. Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD These are parts for servicing sensors Please check that the accessories shown in the right table are packed Procedure 1 Cut the sensor 100 mm longer than old one 2 Cut the protective tube after pulling out it 200 mm 3 Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part 4 Pass the stripped part through the thermal constringent tube 5 Cut the old sensor 100 mm length on the connector side and recycle that connec tor 6 Tear the lead wire in two on the connector side and strip the covering part 7 Twist the leads on the connector and sensor sides and solder them 8 Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again Remarks Cutting here Therma 100 sensor part Connector r 200 Cutting here Thermal constringent tube Cutting here l 100 xo be Et Soldered part Doner Winding the color tape 1 Store the joint part of the sensor and the connector in the electric parts box 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because
12. 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m 24 8 CONTROL BLOCK DIAGRAM 8 1 Indoor Unit RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Heat Exchanger Sensor Tcj v Functions Heat Exchanger Sensor Tc e Cold draft preventing Function e 3 minute Delay at Restart for Louver Motor Room Temperature Sensor Ta Compressor y Drive Control Infrared Rays Signal Receiver e Fan Motor Starting Control and Indication SE e Processing Motor Control Temperature Processing Initializing Circuit e Timer Clock Frequency e ial Si icati 1 Oscillator Circuit Serial Signal Communication 1 e Clean Function I Power Supply Circuit Converter D C circuit Noise Filter Serial Signal Transmitter Receiver Ca ean Serial Signal Communication 220V 60Hz E model only Operation Command and Information Remote Controller Infrared Rays 36 7kHz REMOTE CONTROLLER SS E ie ee Y ES AUTO COOL DRY HEAT i 8 C ND model only a Louver Motor Indoor Fan Motor Air purifier unit 8 2 Outdoor Unit Inverter Assembly RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Ajuo j pow ON Jereey uonuenend
13. 1 0 to 1 5 1 0 to 1 5 1 0 to 1 5 Imperial Wing nut type Outer dia of A copper pipe 1 5 to 2 0 Die Pipe 1 5 to 2 0 g Fig 10 4 5 2 0 to 2 5 r B B e Flaring size B Unit mm eme Fig 10 4 6 Outer dia of copper pipe e In case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that of R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size 64 Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers Then tighten the nut with a wrench and torque wrench as shown in the figure Half union 7 Flare nut Externally Internally threaded side threaded side Use a wrench Use a torque wrench to secure to tighten Fig 10 4 7 CAUTION e Do not apply excessive force Otherwise the nut may break Unit N m Outer dia of copper pipe Tightening torque 6 35 mm 14 to 18 1 4 to 1 8 kgfem 9 52 mm 33 to 42 3 3 to 4 2 kgfem 12 7 mm 50 to 62 5 0 to 6 2 kgfem e Tightening torque for connection of flare pipe The pressure of R410A is higher than R22 Approx 1 6 times Therefore securely tighten the flare pipes which connect the outdoor unit and the indoor unit with the specified tightening torque using a torque wrench If any flare pipe
14. P zone in aone ihe s 3 When temperature of the indoor compressor speed heat exchanger does not rise to is kept 52 C or when it drops below to 48 C the capacity control operation returns to the usual control in heating operation Usual heating capacity control R zone Indoor heat exchanger temperature 35 7 Quick heating control Indoor temperature Outdoor heat exchanger temperature Operation flow and applicable data etc This function quickens the starting of heating opera tion when indoor outdoor temperature is low Available only in heating operation When indoor temperature is low this function stores the heat by heating winding depended on the outdoor temperature and then it enables the hot air blowing out quickly In case of operation stop Seem mm mm rm eee ee rm mm ee mm mm ew eee ee ee mm Description When the following conditions are satis fied winding is heated by output varied by the outdoor heat exchanger temperature Condition 1 The previous operation was heating Condition 2 2 hours passed after operation stop Condition 3 The room temperature is 20 C or lower The indoor temperature sensor detects the room temperature If the detected room temperature is 20 C or lower the outdoor heat exchanger temperature sensor detects the outdoor heat exchanger temperature As shown in the left figure winding of the compressor is heated for each di
15. Transmits signals to the indoor unit 2 button Push the button to start operation A receiving beep is heard Push the button again to stop operation A receiving beep is heard If no receiving sound is heard from the indoor unit push the button again 3 Mode select button MODE Push this button to select a mode Each time you push the button the modes cycle in order from A Auto changeover control COOL DRY HEAT and back to A A receiving beep is heard A 4 Temperature button ES A The temperature setting is raised to 30 C vy The temperature setting is lowered to 17 C A receiving beep is heard 5 Fan speed button FAN Push this button to select the fan speed When you select AUTO the fan speed is automati cally adjusted according to the room temperature You can also manually select the desired fan speed from five available settings LOW LOW _ MED aan MED nm HIGH nn A receiving beep is heard 6 Auto louver button SWING Push this button to swing the louver A receiving beep is heard Push the button again to stop the louver from swinging A receiving beep is heard 7 Set louver button FIX Push this button to adjust the air flow direction A receiving beep is heard 8 ON timer button ON Use this button to change the clock and ON timer times To move up the time push A of the ON om button To move down the time push W of the O
16. both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge pressure gauge NW Manifold valve Handle Lo Handle Hi Keep full closed Charge hose For R410A only Vacuum pump adapter for counter flow prevention For R410A only For R410A only Connecting pipe Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin Fig 10 4 9 CAUTION e IMPORTANT POINTS FOR PIPING WORK Prevent dust and moisture from entering the pipes Tighten connections carefully between pipes and unit Evacuate the air in the connecting pipes using a VACUUM PUMP Check for gas leaks at all connections 65 Packed Valve handling precautions e Open the valve stem until it touches the stopper Once it is in contact with the stopper refrain from applying any more force than is necessary e Securely tighten the valve stem cap with torque in Gas side 012 7 mm the following table 50 to 62 Nem 5 0 to 6 2 kgfem Gas side 9 52 mm 33 to 42 Nem 3 3 to 4 2 kgfem Liquid side 06 35 mm 14 to 18 Nem 1 4 to 1 8 kgfem Service port 14 to 18 Nem 1 4 to 1 8 kgfem Hexagonal wrench is required Fig 10 4 10 10 4 5 Wiring Connection 1 Remove the valve cover the electric parts cover and th
17. eze8 SO HUN 10u09 N NOW Kem y SALA JOIOW geld A W d ov e 90 Wu AW d 40 Wun Jossaidwuod J9HeAUI Aejoy WOU JOA Aelou ov lt 0a Oa lt Ov Josues Jayla 10 0W UBI JOUSAU JOUSAUOD LUSUnmO jndu Eis du ION JOOPINO ZHIV nolo auenbeiy UONIBMOD 10E 49010 JOMOd U IH gun Joopul 0 UOzeIIUNWWOI eUBIS HOI jonuoo enfen Aem y jo3u09 Ouer eBreyIsIg 1 OUO09 AW l psjep uoIjgun JOUBAUOD Cd Li diisi nae Josu s dw SAUD D JeBueyoxe yeaH Io IOonuen Aouenbe y indjno Jegen 101 U09 u0 991109 Jo12EL Jemod U IH mo JO4JU0D US JOOPINO enup eyed jonuoo 99 p JUSUND 18AO HDI JO4JUOD se j zuno ndul joejep uonoun siseyju s Md uano YN Josues Ouer Jre JOOPINO Josu s Ouer afseuosiq N0119 enlegeu pues 1 gun Joopu U 1 1 LINN HOOALNO a 9 d 60OSIIN Ajuo japow q ZHO9 A OEE ZHOS A Ove 0ee J INVYSVIG 49018 HALNdNOI OHIIN LINN HOOONI 404 26 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 11 to 118 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire
18. 95 97 Starting current 3 30 3 15 3 02 4 55 4 35 4 17 6 98 6 68 6 40 COP Cooling Heating 5 10 5 08 4 12 4 42 3 33 3 69 High Cooling Heating dBsA 42 43 43 44 45 45 Operating Indoor dBA 33 36 34 37 36 39 noise Low Cooling Heating dBsA 27 27 27 27 29 29 Outdoor Medium Cooling Heating Cooling Heating dBA 46 47 48 50 49 50 Unit model RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Height mm 250 250 250 Dimension Width mm 790 790 790 Indoor unit Depth mm 208 208 208 Net weight kg 9 9 9 Fan motor output W 30 30 30 Air flow rate Cooling Heating m h 550 620 570 640 630 670 Unit model RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Height mm 550 550 550 Dimension Width mm 780 780 780 Depth mm 290 290 290 Outdoor unit Net weight kg 38 38 38 Motor output W 750 750 750 Compressor Type Twin rotary ype with DC inverter variable speed control Model DA111A1F 24F DA111A1F 24F DA111A1F 24F Fan motor output W 43 43 43 Air flow rate Cooling Heating m h 1740 1620 1950 1620 2160 1740 Type Flare connection Flare connection Flare connection
19. A ssy 13 3 P C Board Layout RAS 10SAVP E INV RAS 13SAVP E INV RAS 16SAVP E INV 701 Sensor TE 702 Sensor TS 703 Sensor TO CD gg SS 704 Sensor TD 4 Cr The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 43050422 43050423 43050427 43050430 Description Sensor TE Sensor TS Sensor TO Sensor TD Location No 116 43062228 43160566 43068914 706 Description Base P C board Terminal Block 6P 20A PC board Ass y MCC5009 RAS 10SAVP ND INV RAS 13SAVP ND INV RAS 16SAVP ND INV 701 Sensor TE 702 Sensor TS ego o me em 703 Sensor TO CD 704 Sensor TD 84 Cr The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 43050422 43050423 43050427 43050430 43062228 Description Sensor TE Sensor TS Sensor TO Sensor TD Base PC board Location 117 No 43160566 4306S914 43160571 4306A156 706 Description Terminal Block 6P PC board Ass y MCC5009 Fuse Holder 15A 250V Fuse ET 3 15A AC250V 14 SET UP OF SERVICE P C BOARD Before replacing the P C board set up the PC board according to the following table When repaired P C board should be electric discharge of capacitor C12 C13 C14 Caution APPLICATION MO
20. C or lower stop the indoor fan lt Finish of defrost operation gt e Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes lt Returning from defrost operation gt 1 Stop operation of the compressor for approx 50 seconds 2 Invert OFF 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts Item Operation flow and applicable data etc 9 Louver control This function controls the air direction of the indoor unit 1 Louver e The position is automatically controlled according to the operation mode COOL HEAT position e The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling heating memory position The angle of the louver is indicated as the horizontal angle is 0 When the louver closes fully it directs approx 28 upward Louver angle Horizontal 1 Louver position in cooling operation 0 Cooling operation AUTO COOL Powerful SLEEP MODE operation wn A lt A Azay Initial setting of Cooling storage position Cooling storage position Louver Directs downward 23 Louver Directs downward 23
21. Indoor unit Liquid side 6 35 6 35 6 35 Gas side 9 52 9 52 12 7 Piping Liquid side 6 35 6 35 6 35 Outdoor unit connection Gas side 9 52 9 52 12 7 25 15 10 R410A 1 05 25 15 10 R410A 1 05 Wires includes earth Outdoor 25 15 10 R410A 1 05 Maximum length Maximum chargeless length Maximum height difference Name of refrigerant Weight Power supply Refrigerant Wiring connection 4 Wires includes earth C 21 32 0 28 21 32 0 28 C 5 46 15 24 5 46 15 24 Installation plate 1 1 Wireless remote controller 1 1 Batteries 2 2 1 1 6 O4 x 25L 6 4 x 25L 6 4 x 25L 2 3 1 x 16L 2 53 1 x 16L 2 3 1 x 16L Plasma pure filter 1 1 1 Interconnection 21 32 0 28 5 46 15 24 Usable Indoor Cooling Heating temperature range Outdoor Cooling Heating Remote controller holder Mounting screw Accessory Remote controller holder mounting screw Installation manual Owner s manual Outdoor Drain nipple unit Water proof rubber cap The specifications may be subject to change without notice for purpose of improvement D 2 2 Operation Characteristic Curve RAS B16SKVP E RAS E RAS B13SKVP E B10SKVP O o m T OO E oh anes E Zoe eti o SS er te SS S 1 OO nm OF
22. Mounting screw 6 4 x 25L 6 Z4 x 25L 6 Z4 x 25L Remote controller holder mounting screw 2 3 1 x 16L 2 3 1 x 16L 2 3 1 x 16L Plasma pure filter 1 1 1 Installation manual Owner s manual Outdoor unit Water proof rubber cap Drain nipple e The specifications may be subject to change without notice for purpose of improvement 5 RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Indoor RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Unit model Outdoor RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Cooling capacity 2 5 3 5 4 5 Cooling capacity range 0 5 3 5 0 6 4 5 0 8 5 0 Heating capacity 3 2 4 2 5 5 Heating capacity range 0 6 6 1 0 6 6 9 0 8 8 0 Power supply 1 Ph SOHz 220 240 V Operation mode Cooling Heating Cooling Heating Cooling Heating Running current 0 15 0 15 0 15 0 15 0 15 0 15 Indoor Power consumption 30 30 30 30 30 30 Power factor 87 87 87 87 87 87 Electric Operation mode Cooling Heating Cooling Heating Cooling Heating characteristics Running current 2 57 2 45 2 34 3 15 3 00 2 87 4 00 3 82 3 66 4 40 4 20 4 02 6 18 5 90 5 65 Outdoor Power consumption 460 600 820 920 1320 Power factor 82 87 93
23. O oO lt O E S S Ben oO CO O Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash No To item Power supply is not turned on YES Turn off the power breaker and remove CN41 Micro switch connector Short circuit between 1 and 2 pin of CN41 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Red DC12V and Brown GND of CN1 of the of CN42 of the main high voltage generator P C board MCC5045 YES YES Is there conduction of micro switch connector under YES me OFF status of the micro switch Micro switch is stuck Front panel opened Replace micro switch Is there conduction of NO t g Micro switch malfunction e Conduction check of micro switch _ micro switch connector under ON status of the micro switch Front panel closed Push the switch ON Release the switch Is DC12V applied NO between 1 and NO Replace the main P C board MCC5045 YES 1 Check operation while short circuiting CN41 of the main P C board 2 Perform air purifying operation by the remote controller In this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds when a signal is received If time on the reactivation pr
24. Remarks TCJ sensor Make absolutely sure that the leads form a loop Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward fem clide the horizontall louver leftward Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger Screw i j Screw 4 4 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it hleatfex 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat exchanger rightward Hangeg part 93 Part name Bearing Procedures 1 Follow to the procedure in the items 2 Remove the two fixing screws used to secure the left edge panel of the heat exchanger and remove the two screws used to secure the bearing base 3 Raise the left side of the heat exchanger slightly and remove the bearing base lt Caution at assembling gt e If the bearing is out from the housing push it into the specified position and then incorporate it in the main body e After assembling the bearing base check that it is fitted into the stepped part of the drain pipe Geint Beari
25. To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor e Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 5 mm from wall of rear plate of the main unit e Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw e Perform positioning of the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front e After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws U groove 96 Remarks pe Bearing base 12 2 Microcomputer Part name Procedure Remarks Common procedure 1 Turn the power supply off to stop the Replace terminal block operation of air conditioner microcomputer ass y and the 2 Remove the front panel P C board ass y e Remove the 2 fixing screws 3 Remove the electrical part base lt P C board layout gt RO2 L01 C01 CNO1 FUSE R01 R531 CN31 IC101 C121 IC81 J201 97 12 3 Outdoor Unit Part name Common procedure Procedure 1 Detach
26. Trouble on PM V Others including compressor ow zsa emm Return serial signal has been sent when operation started but it is not sent from halfway 1 Compressor thermo operation Gas shortage Gas leak 2 Instantaneous power failure Operation continues Flashes when trouble is detected on return serial signal and normal status when signal is reset 1 Repeat Start and Stop with interval of approx 10 to 40 minutes Code is not displayed during operation Supply gas Check also gas leak Unit operates normally during check If return serial signal does not stop between indoor terminal block 2 and 3 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board Compressor does not rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Displayed when error is detected Trouble on compressor Trouble on wiring of compressor Missed phase Discharge temp exceeded 117 C Displayed when error is detected Check dischage temp sensor TD Gas leakage Trouble on PM V Break down of compressor Displayed when error is detected Check power voltage 220 230 240 V 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser 4 way valve inverse error TC sens
27. brazing filler Used flux Copper Copper Phosphor copper Do not use Paste flux Copper Iron Silver Iron Iron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deterio rates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m Hr or 0 02 MPa 0 2kgf cm
28. cables High voltage tester lonizer output Refer to items cleaning and check for the electric dust collector ionizer ionized wire units disconnected or when dirt is not cleaned even cleaned YES When the ionized wire is replace each unit Are the electric dust collector ionizer ionized wire units dirty Is an abnormal sound cracking noise heard from the electrode YES NO No trouble 81 11 8 How to Diagnose Trouble in Outdoor Unit 11 8 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse Part No FO1 Replace fuse Check electrolytic capacitor diode block DBO1 etc Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DBO1 etc Does outdoor fan rotate Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Ta Preparation Operation Measure ment Check Stop Check Measure ment ble 11 8 1 Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor e Check whether 25A fuse on the control board assembly is blown or not FO1 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal volt
29. circuit error occurred Replace PC board Measure resistance between wires of compressor and perform short circuit Replace compressor mm DW Current detect circuit error Displayed when error is detected Even if trying operation again all operations stop immediately Replace PC board eme emm mm emm emm emm Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or suction temp sensor Ts Displayed when error is detected 1 Check sensors TE TS 2 Check P C board emm emm Disconnection or short circuit of discharge temp sensor Displayed when error is detected 1 Check discharge temp sensor TD 2 Check P C board wm Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor Outdoor fan drive system Displayed when error error is detected mmm emm mmm om emm Not Being out of place displayed disconnection or short Operation 1 Check outdoor temp sensor continues TO circuit of the outdoor temp sensor TO 2 Check PC board Outdoor P C board mm emm mm Compressor drive output error Compressor error lock missing etc Break down Displayed when error is detected When 20 seconds passed after start up position detect circuit error occurred Replace compressor
30. copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market Table 3 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter copper pipe jointed mm mm 3 2 2 Processing of Piping Materials When performing the refrigera
31. is incorrectly connected it may cause not only a gas leakage but also trouble in the refrigeration cycle Flare at indoor unit side Flare at outdoor unit side Fig 10 4 8 10 4 4 Evacuating After the piping has been connected to the indoor unit perform the air purge AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the vacuum pump manual Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves
32. name Reactor CH 57 Output Rated 1W 16 poles DC12V L 10mH 16A Outside fan motor ICF 140 43 4R DC140V 43W Suction temp sensor TS sensor Inverter attached 10kQ 25 C Discharge temp sensor TD sensor Inverter attached 62kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C Heat exchanger temp sensor TE sensor Inverter attached 10kQ 25 C Terminal block 6P 20A AC250V Compressor DA111A1F 24F 3 phases 4 poles 750W Coil for P M V CAM MD12TF DC12V Coil for 4 way valve STF AC220 240V Cord heater assembly ND model only CSC 2 AC230V 75W Heater fuse assembly ND model only 22 AC250V 3 15A 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram P Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia 9 52mm 10SAVP E ND 9 52mm 13SAVP E ND 12 7mm 16SAVP E ND Thickness 0 8mm 4 way valve STF 0108Z TS ees NOTE INDOOR UNIT TCJ Indoor heat exchanger I _T1_ Temp measurement NTC E 1 S D Cross flow fan TA EES SF o Max 25m Een zle Min 2m Deoxidized copper pipe W 2 8 Chargeless 15m Outer dia 6 35mm S SE Charge 20g m Thickness 0 8mm So g 16 to 25m Sectional sha
33. oO 1 OO 3 Te o e ECOLA S gt E l F i i E 8 i i i i O A a ee ee ee co i rs eee eee NO D T o o 2 co N Te Es a Se Ei y queuing ro oO D EE MLE ee ede oe illite eg N GE C ham m 52 z Oio SE E eee ard error Cree ereren rer oS ya Do ke SOOTEN OLD a BEE E EE Nees oi SEG 2 SS e 5 OT Ge o 0a a8 D EE EE oy i Q i O A i i i i i i D i i l i i i i o co o LO lt N GN o le ik zet Q y queuing 16SKVP ND 10SKVP ND RAS 13SKVP ND RAS RAS lt Heating gt lt Cooling gt O T OU E on 6 gt Anag 3 2mOFs D OA Wee Ke CH REES 5 P58s2oll 3 SKS 2 OO 3 Ge o e SOLL gt E E 1 d j ji O i O i EREE PEA le Ee EE EE TEE i i i i i i i i i i i i i o 5 D co N o LD st Ee A o y weung o O D Ke m 52 a e ES KO D gt NOD ke Ze OH D SMATEN LAD Q ZG os e n gsc SIE 5 HS ZS a OO 3 Oe Oo e EOLA gt D a E i Q O 10 CH 8l Se 6L A 4 ak a A 0 y weung 2 3 Capacity Variation Ratio According to Temperature RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E lt Cooling gt Capacity ratio 110 100 90 70 60 E Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 50 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp
34. of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal Cord heater assembly ND model only 1 Perform the procedures in above Do not perform the procedure in 6 2 Remove the cord clamp ST1T 4 x 10L 1 pc 3 Remove the cord clamps 12 locations fixing the cord heater assembly to the base plate 4 Attach the new cord heater assembly to the base plate using the cord clamps supplied with the cord heater assembly Service code 37557729 106 Cord heater assembly MCC 5009 od OU OSE 107 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E 238 241 The parts in the following parts list are conformed to ROHS Therefore be sure to use the following parts for repairing and replacing Description Location Description 43005709 Panel Ass y Front 43049674 Spring B16SKVP E 43009694 Grille Air Inlet 43047673 Pipe Ass y Connecting 43080512 Filter Air Right Liquid 43080521 Filter Air Left ES 43009693 Louver Horizontal ETSY ETAGE 43044822 Evaporator Ass y 4302C067 Motor Fan D
35. of inlet indoor heat exchanger tempera ture by using heat exchanger sensor TCJ sensor Super heat control etc e Louver motor control e Indoor fan motor operation control e LED Light Emitting Diode display control e Transferring of operation command signal Serial signal to the outdoor unit e Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error e Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role oe e Compressor operation control Operations followed to e Operation control of judgment of serial outdoor fan motor signal from indoor side e HMM control e 4 way valve control e Detection of inverter input current and current release operation e Over current detection and prevention operation to IGBT module Compressor stop function e Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system e Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller e Detection of outdoor temperature and operation revolution control e Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way
36. of the motor terminals The motor does not operate or the fan motor does not rotate with high speed But it is possible to receive the signal from the remote controller The motor rotates but vibrates strongly 84 The indoor fan motor is defective Protected operation of P C board The PC board is defective The connection of the motor connector is loose 11 9 2 P C Board Layout T3 15A 250V FOL m Det Ss ER Cas R108 Q is CH gt or ot SC ra an Si a L E uil om FLASH 4p A C401 Catt 1 Sensor characteristic table Si o gt o S Cc S B TD Discharge temp sensor d TA Room temp sensor TC TCJ Heat exchanger temp sensor TO Outdoor temp sensor Ua i E TO SRS TE Outdoor heat exchanger temp sensor 0 TS Suction temp sensor 0 10 20 30 40 50 Temperature C 85 11 9 3 Indoor Unit Other Parts Part name Room temp TA sensor Heat exchanger TC sensor Heat exchanger TCJ sensor Checking procedure Disconnect the connector and measure the resistance value with tester Normal temp Remote controller Refer to 11 5 1 5 Louver motor MP24Z3N Measure the resistance value of each winding coil by using the tester Under normal temp 25 C Position Resistance value 250 200 Indoor fan m
37. omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the circuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters and remove the electric dust collector 89
38. operate at this time push RESET button once more or use the remote controller to turn it off Push RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds l The unit stops operating The green indicator is turned off J After approx three seconds The unit beeps three times SS If the unit is required to operate at this time push RESET button ke ee ee SN once more or use the remote controller to turn it on N 9 3 3 Power Failure During Timer Operation 9 4 FILTER Indicator When the unit is turned off because of power failure When the elapsed time reaches 1000 hours after air during timer operation the timer operation is purifier operation the FILTER indicator lights E EE After cleaning the filters turn off the FILTER indicator NOTE 9 4 1 How to Turn Off FILTER Indicator The Everyday Timer is reset while a command Push RESET button on the indoor unit signal can be received from the remote controller even if it stopped due to a power failure NOTE If RESET button is pushed while the FILTER indica tor is not lit the indoor unit will start the automatic operation When you want a temporary operation while the FILTER lamp lights push RESET button to turn off the FILTER lamp 51 9 5 Remote Controller and Its Fuctions 9 5 1 Parts Name of Remote Controller 1 Infrared signal transmitter
39. panel of the inverter Bring into contact against these parts eS A Bend downward and align with the inside surface of the front cabinet Align the stitch line with the top edge of the front cabinet How to mount the water proof cover Part name Procedure Remarks Front cabinet 1 Detachment 1 Perform step 1 in 2 Remove the fixing screws ST1T 4 x 8L 2 pcs used to secure the front cabinet and inverter cover the screws ST1T 4 x 8L 3 pcs used to secure the front cabinet at the bottom and the fixing screws ST1T 4 x 8L 2 pcs used to secure the motor base e The front cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws that were removed above to their original positions and attach them the main unit and attach it pushing upward Square hole Concave section 99 Part name Inverter assembly Procedure 1 Perform work of item 1 in 2 Remove screw ST1T 4 x 8L 2 pcs of the upper part of the front cabinet e If removing the inverter cover in thi
40. piping CAUTION TO DISCONNECT THE APPLIANCE FROMTHE MAIN POWER SUPPLY A switch or circuit breaker that can disconnect all poles must be included in the fixed wiring Be sure to use an approved circuit breaker or switch DANGER e ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO INSTALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE e TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK Ab DANGER HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand e CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCOR RECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED e CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE SERVICE AND INSTALLATION FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEAT REGISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CARE
41. tools the following equipments which serve also for R22 are neces sary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill O65 Use vacuum pump by attaching 5 Pipe bender 10 Hexagon wrench vacuum pump adapter 6 Level vial Opposite side 4mm 2 Torque wrench For 6 35 9 52 7 Screwdriver 11 Tape measure SS Pipe euler 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 13 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment When the compound gauge s pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure that the compound gauge s pointer does not return Connect the charge hose to the vacuum pump adapter Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid refrigerant For
42. valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller e Operation mode set on the remote controller e Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added e Temperature of indoor heat exchanger e For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller e The current operation mode e The current compressor revolution e Outdoor temperature e Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below e Whether distinction of the current operation status meets to the operation command signal e Whether protective circuit operates When no signal is received fro
43. view Top view SH S Indoor unit 5 Zm o ne Ue le f Reception Reception Remote range range controller R Remote controller Axial distance Fig 10 3 1 10 3 2 Drilling and Mounting Installation Plate Drilling When install the refrigerant pipes from the rear D The center of the D H ct i D D pipe hole D ete cect eee eee g RE EE Fig 10 3 2 1 Decide the installation plate mounting position on the wall 2 Mark the corresponding pipe hole wall positions according to the positioning marks gt gt on the installation plate 3 Drill the pipe holes 65 mm slightly slanted downward to the outside NOTE e When drilling into a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Anchor bolt holes Pipe hole Indoor unit Mounting screw Installation plate Fig 10 3 3 D I When the installation plate is directly 10 3 3 Electrical Work mounted on the wall 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare a power source for the exclusive use of the air conditioner 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches 2 To mount the installation plate on a concrete wall use anchor bolts Drill the an
44. which the operation can be performed with Max 16 rps is gradually widened after 30 minutes passed when starting SLEEP MODE operation 3 The louver position is set horizontally Standard cooling position when the room tem perature comes close to the set temperature or when 25 minutes passed after starting SLEEP MODE operation ltem Operation flow and applicable data etc Description Pushing RESET button starts the temporary operation of AUTO operation When keeping RESET button pushed for 10 seconds or more the temporary COOL operation is performed 11 Temporary operation 1 When pushing RESET button the temporary AUTO operation starts 2 When keeping RESET button pushed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pushed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on push RESET button to go off the filter lamp and then push RESET button again 5 To stop the temporary operation push the button again YES Push RESET button NO Temporary AUTO operation YES Filter lamp ON NO Did you push RESET button for 3 seconds or more YES Did you push RESET button for 10 seconds or more NO Switch to AUTO RESTART control Temporary COOL Operation 12 Air purifying control This function generates nagati
45. 0 8 C MEAT operation ND model only 7 asnerrnenanerdnerkdtndnadkekenkets nne denke 47 21 Cord heater control SND model ON erneer dereedsdann deken DE dd 49 Auto Restart Function EE 50 9 3 1 How to Set the Auto Restart Function eenen ennen ennen enen ennn 50 9 3 2 How to Cancel the Auto Restart Function nennen eneen ennen ennen 51 9 3 3 Power Failure During Timer Operation nnn en ennenennenen ee eeenennnnnnnee neer ennennenn 51 FILTER Tele 51 9 4 1 How to Turn Off FILTER Indicator nennen nennen nennen ennen ennn 51 Remote Controller and Its Fuctions nanasan nnen ne eenen nnnnennnnnnnensnnnnnnnn 52 9 5 1 Parts Name of Remote Controller un 52 9 5 2 Name and Functions of Indications on Remote Controller nen 53 Hi POWER Mode Hi POWER button on the remote controller is pushed neee 54 28 Item Operation flow and applicable data etc 1 Basic 1 Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 A signal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below 4 The indoor controller controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to t
46. 2 4 L 3 Fan speed M Lt x3 4 L No limitation while fan speed MANUAL mode is in stability A When Tsc gt 24 A is 24 and when Tsc lt 24 Ais Tsc Tsc Set value Calculated with linear approximation from M and L Fig 5 In starting and in stability In stability e Until 12 minutes passed after operation start e When 12 to 25 minutes passed after operation start e When 12 to 25 minutes passed after operation and room temp is higher than set temp 3 C start and room temp is 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 C e Room temp Set temp 3 5 C Ec ye Item Operation flow and applicable data etc Description 3 Outdoor fan The blowing air volume at the outdoor unit side is controlled 1 The operation command sent motor control Receiving the operation command from the controller of from the remote controller is indoor unit the controller of outdoor unit controls fan speed processed by the indoor unit For the fan motor a DC motor with non stage variable controller and transferred to the speed system is used However it is limited to 16 stages controller of the outdoor unit for reasons of controlling 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped Air conditioner ON A Remote controller 3 Whether the fan is locked or n
47. 47679 43047680 Description Cabinet Front Cabinet Upper Cabinet Side Right Cabinet Side Left Guard Fan Guard Fin Base Ass y Cover Valve Packed Cover Wiring Ass y Compressor DA111A1F 24F Condenser Ass y Valve Packed 6 35 Valve Packed 9 52 10SAVP ND 13SAVP ND Valve Packed 12 7 16SAVP ND Bonnet 1 4 IN Bonnet 3 8 IN 10SAVP ND 13SAVP ND Bonnet 1 2 IN 16SAVP ND Nut Flare 6 35 Nut Flare 9 52 10SAVP ND 13SAVP ND Nut Flare 12 7 16SAVP ND Cap Valve Packed 6 35 Cap Valve Packed 9 52 10SAVP ND 13SAVP ND Location No 115 43047659 43047674 44246239 43046444 43046443 37546848 43046450 43058270 4302C068 43020329 43047669 43039394 43004242 4301V072 43032441 43089160 4301P703 4301P702 43042485 43062176 43063321 43063322 43063325 43063339 37557729 Description Cap Valve Packed 12 7 16SAVP ND Cap Charge Port 10SAVP ND 13SAVP ND Tube Capillary I D 1 2 Valve 4 Way STF 0108Z Coil Solenoid VHV 01AJ503C1 Valve Pulse Modulation CAM B22YGTF 3 Coil PMV CAM MD12TF 9 Reactor Motor Fan ICF 140 43 4R Fan Propeller PJ421 Nut Flange Base Motor Plate Partition Plate Fix Valve Packed Nipple Drain Cap Waterproof Mark TOSHIBA Mark DAISEIKAI Rubber Cushion Sleeve Flag Holder Sensor TD Holder Sensor TS Holder Sensor TE Holder Sensor TO Cord Heater
48. 80 780 780 Depth mm 290 290 290 Net weight kg 38 38 38 Motor output W 750 750 750 Type Twin rotary type with DC inverter variable speed control Model DA111A1F 24F DA111A1F 24F DA111A1F 24F Fan motor output W 43 43 43 Air flow rate Cooling Heating m h 1740 1620 1950 1620 2160 1740 Type Flare connection Flare connection Flare connection 36 35 96 35 6 35 9 52 9 52 AE Liquid side 76 35 76 35 76 35 Gas side 79 52 79 52 AE Maximum length 25 25 25 Maximum chargeless length 15 15 15 Maximum height difference 10 10 10 R410A R410A R410A 1 05 1 05 1 05 Wires includes earth Outdoor Outdoor Unit model Cooling Heating dBA Height Dimension Indoor unit Air flow rate Unit model Height Dimension Outdoor unit Compressor Liquid side Gas side Indoor unit Piping connection Outdoor unit Name of refrigerant Weight Power supply Refrigerant Wiring connection Interconnection 4 Wires includes earth Usable temperature range Indoor Cooling Heating 21 32 0 28 21 32 0 28 21 32 0 28 Outdoor Cooling Heating 5 46 15 24 5 46 15 24 5 46 15 24 Accessory Indoor unit Installation plate 1 1 1 Wireless remote controller 1 Batteries 2 2 Remote controller holder 1 1 1 2 1
49. 802 J803 J804 lt In HEAT operation gt Jumper wire setup HEAT J801 J802 shift value lt At shipment O With Jumper wire X Cut Jumper wire lt in 8 C HEAT operation gt CND model only Jumper wire setup HEAT J803 J804 shift value lt At shipment O With Jumper wire X Cut Jumper wire 45 Description 1 Purpose When the difference between the set temp of the remote controller and the room temp is wide due to the installation condition etc the set temp is corrected HEAT operation only Description The set temp received from the remote controller is corrected The correct value from 2 C to 4 C is changed by the jumper wire on P C board of the indoor microcomputer Operation flow and applicable data etc Description 19 Outdoor lt With Quiet control Non select method gt 1 Purpose Quiet control For the users who concern about noise of Select Control or No control by keeping the outdoor unit this control controls the RESET button pushed for 20 seconds max revolutions of the compressor to No control at shipment from the factory reduce the noise l Description To reduce noise RESET button of the D Exchanging from No control to Control indoor unit is kept pushed for 20 seconds Beep sound is heard Pi Pi Pi Pi Pi and The number of revolution for the indoor fan the operation LED 5Hz f
50. AS 10SAVP E RAS B13SKVP E RAS 13SAVP E Indoor Outdoor Unit model Cooling capacity 2 5 3 5 4 5 Cooling capacity range 0 5 3 5 0 6 4 5 0 8 5 0 Heating capacity 3 2 4 2 5 5 0 6 6 1 0 6 6 9 0 8 8 0 Heating capacity range Power supply 1 Ph 50Hz 220 240 V 1 Ph 60Hz 220 V Operation mode Cooling Heating Cooling Heating Cooling Heating Running current 0 15 0 15 0 15 0 15 0 15 0 15 Power consumption 30 30 30 30 30 30 Power factor 87 87 87 87 87 87 Operation mode Cooling Heating Cooling Heating Cooling Heating Running current A _12 57 2 45 2 34 3 15 3 00 2 87 4 00 3 82 3 66 4 40 4 20 4 02 6 18 5 90 5 65 Power consumption W 460 600 820 920 1320 Power factor 82 87 93 95 97 Starting current A 3 30 3 15 3 02 4 55 4 35 4 17 6 98 6 68 6 40 Cooling Heating 4 12 4 42 3 33 3 69 High Cooling Heating dBsA 43 44 45 45 Medium Cooling Heating dBsA 34 37 36 39 Electric characteristics Outdoor 5 10 5 08 42 43 33 36 27 27 COP Operating Indoor noise Low Cooling Heating dBsA 27 27 29 29 46 47 48 50 49 50 RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E mm 250 250 250 Width mm 790 790 790 Depth mm 208 208 208 Net weight kg 9 9 9 Fan motor output W 30 30 30 Cooling Heating m h 550 620 570 640 630 670 RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E mm 550 550 550 Width mm 7
51. C B16SKVP E 4302D003 Motor Louver 43039324 Guide Drain 4306A024 Cord Motor Louver 43019904 Holder Sensor 43039363 Band Motor Left 43049770 Holder Evaporator Right 43039321 Base Bearing 43062256 Cover Terminal 43020346 Fan Cross Flow 43062247 Cover Lead 43039314 Band Motor 43082293 Plate Installation 43020253 Bearing 43083071 Holder Remote Controller 4301028 Holder Pipe 43003311 Body Ass y Back 43049701 Pipe Shield B16SKVP E 43070188 Hose Drain 43049698 Pipe Shield 43079268 Cap Drain B10SKVP E B13SKVP E 43066014 Remote Controller 43047671 Pipe Ass y Connecting Gas WH HO4JE B10SKVP E B13SKVP E 43080528 Plasma Pure Filter 43047672 Pipe Ass y Connecting Gas 43080563 Generator Ass y HV B16SKVP E 4308N971 Owner s Manual 108 403 404 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 4306A132 43062263 43050425 43050426 4306S936 43051350 Description Terminal Block 3P Cover E Parts Sensor TC 6 TCJ G6 Sensor TA PC Board Ass y WRS LED Switch Ass y Micro Location No 109 407 408 409 4306S937 43065938 4306S939 43067115 406 Description P C Board Ass y B10SKVP E P C Board Ass y B13SKVP E PC Board Ass y B16SKVP E Clamp Cord
52. DELS RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND JUMPER SET UP As shown in the following table cut jumper lead wire J800 J801 J802 J806 according to each model Corresponding model Jumper lead wire J800 ORIGINAL Close Original RAS 10SAVP E Close Original RAS 13SAVP E Close Original RAS 16SAVP E Open Cut RAS 10SAVP ND Open Cut RAS 13SAVP ND Close Original RAS 16SAVP ND Close Original Jumper lead wire 801 Close Original Close Original Open Cut Close Original Open Cut Close Original Open Cut Jumper lead wire J802 Close Original Close Original Close Original Close Original Close Original Open Cut Close Original Jumper lead wire J806 LOCATION OF JUMPER LEAD WIRE Close Original MCC 5009 Close Original Close Original J800 J801 J802 118 Close Original Close Original Close Original J806 Capacitor Close Original TOSHIBA CARRIER CORPORATION 2 CHOME 12 32 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 1999 to 2007 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
53. Discharging period 10 seconds or more Terminal block A screw STIT 4X8MSZN Put the compressor Put each leads leads through through the hole the hole The connector is one with lock so remove it while pushing the part indicated by an arrow on Be sure to remove the connector by holding the connector not by pulling the lead wire Part name Control board assembly Procedure 1 Disconnect the leads and connectors connected to the other parts from the control board assembly 1 Leads e 3 leads black white orange connected to terminal block e Lead connected to compressor Disconnect the connector 3P e Lead connected to reactor Disconnect the two connectors 2P 2 Connectors x8 CN300 Outdoor fan motor 3P white See NOTE CN701 4 way valve 2P yellow CN600 TE sensor 2P white CN700 PMV 6P white CN603 TS sensor 3P white CN601 TD sensor 3P white CN602 TO sensor 2P white CN703 Freeze prevention heater 2P red These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the PC board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the PC board base hold the heat sink and lift to remove it 3 R
54. FUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIROR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PER SONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT WARNING Never modify this unit by removing any of the safety guards or bypass any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate The electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive circuit An insufficient circuit capacity or inappropriate installation may cause fire When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Be sure to provide grounding Do not connect
55. Flare 6 35 Nut Flare 9 52 10SAVP E 13SAVP E Nut Flare 12 7 16SAVP E Cap Valve Packed 6 35 Cap Valve Packed 9 52 10SAVP E 13SAVP E Location No 113 43047659 43047674 44246239 43046444 43046443 37546848 43046450 43058270 4302C068 43020329 43047669 43039394 43004242 4301V072 43032441 43089160 4301P703 4301P702 43042485 43062176 43063321 43063322 43063325 43063339 Description Cap Valve Packed 12 7 16SAVP E Cap Charge Port Tube Capillary 1 D 1 2 Valve 4 Way STF 0108Z Coil Solenoid VHV 01AJ503C1 Valve Pulse Modulation CAM B22YGTF 3 Coil PMV CAM MD12TF 9 Reactor Motor Fan ICF 140 43 4R Fan Propeller PJ421 Nut Flange Base Motor Plate Partition Plate Fix Valve Packed Nipple Drain Cap Waterproof Mark TOSHIBA Mark DAISEIKAI Rubber Cushion Sleeve Flag Holder Sensor TD Holder Sensor TS Holder Sensor TE Holder Sensor TO RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND 14 15 17 18 20 21 23 24 25 49 CORD HEATER Ass y E LE The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing OO ON DAF WN 43005657 43005642 43005658 43005634 4301V035 4301V053 43005716 43119471 43062262 43041641 43043780 37546845 43046442 43146680 43147196 43047401 43147195 43047676 43047677 43047655 430
56. LK ORN BLK WHI Temp Sensor Fuse SS 5 4 Indoor Unit RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Air Purifier Electrode I L Heat Exchanger Sensor TCJ BLK poy Heat Exchanger I Sensor CN21 L WHI CN10 WHI LS 1 2O 28 i 5 Main P C Board zO MCC 5045 Ee E 250V Indoor Terminal B BLK lock D AO T3 15A ER Sue Coil for IA Kee 4 way Valve EE Heater f Power Supply Anti Freez 220 240V 50Hz Micro SW BLU Fan Motor DH H Q Ww WHI Ti BEM D nat CNO2 CNO1 CN51 ene un EISEN oni F01 Fuse AC 250V T3 15A Varistor N RO1 HH Line Filter 3 DC Motor DC5V O DC12V O eg ec amp 21 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Parts name Fan motor for indoor MF 280 30 5R Specifications DC280 340V 30W Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10kQ at 25 C Heat exchanger temp sensor TCJ sensor 10kQ at 25 C Louver motor MP24Z3N 6 2 Outdoor Unit RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND Parts name Model
57. Mounting screw 4 x 25L x 6 Water proof rubber cap x 2 lt Others gt This model is not equipped with Parts marked with asterisk are an extension drain hose packaged with the outdoor unit Option Owner s manual For the extension drain hose use the optionally available RB 821SW or a commercially available one Installation manual e Indoor units connectable with a multi system outdoor unit Other indoor units are unavailable RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E Important information and warning e When using a multi system outdoor unit refer to the installation manual provided with the model concerned B W strips Energy efficiency labels 56 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged acciden tally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch e In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model Changes Gauge manifold As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrig
58. N ol button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time push A of the OFF oy button To move down the time push w of the OFF button 10 Reserve button SET Push this button to store the time settings A receiving beep is heard 11 cancel button CLR Push this button to cancel the ON timer and OFF timer A receiving beep is heard 12 13 High power button Hi POWER Push this button to start high power operation Memory button MEMO Push this button to ready for storing the settings Hold down the button for 3 seconds or more to store the setting indicated on the remote controller and until the mark is displayed 14 Automatic operation button AUTO 15 16 17 18 19 17 52 Push this button to operate the air conditioner automatically A receiving beep is heard SLEEP MODE button Push this button to start sleep mode MY COMFORT button Push this button to operate the air conditioner according to the settings stored using the MEMO button PURE button PURE Push this button to start the electrical air purifying operation Push the button again to stop operation Off timer button OFF Push this button to start the OFF timer operation You can select the OFF timer time from among four settings 1 3 5 or 9 hours 8 C operation button 8 C ND model only Push this button to start the 8 C set temperature heati
59. No clean operation Cooling Auto cooling Dry performed 0 minutes 10 minutes or longer 4 hours Heating Auto heating Auto fan only No clean operation performed Shutdown e To stop an ongoing clean operation at any time Push the start stop button on the remote controller twice during the clean operation After pushing the button for the first time push it for the second time without delay within 10 minutes 42 Item Operation flow and applicable data etc 16 Clean operation Setting the clean operation cancel NOTE cancel Once J201 is added the RESET button on the unit is designated for Add J201 of the indoor P C board assembly OI EANOPCEATION Seance This cancels the auto restart function therefore the RESET button can not be used for the selection Set Cancel of AUTO RESTART Hold down the RESET button on the indoor unit function Page 50 for at least 3 seconds but not more than 10 seconds J201 will be near the MCU so take steps to ensure that it will not be exposed to excessive of The indoor unit s buzzer emits three beeps heat Also take care to avoid solder bridging with the surrounding components This completes the clean operation cancel setting Setting the clean operation Hold down the RESET button on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps and the OPERATION in
60. TOSHIBA FILE NO A06 011 SERVICE MANUAL AIR CONDITIONER Indoor Unit lt High Wall Heat Pump Type gt Standard Type RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E North Europe Type RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND SPLIT TYPE Outdoor Unit lt Heat Pump Type gt RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND 10 11 12 13 14 CONTENTS SAFETY EREECHEN 3 SPECIFICATIONS niesienie nne LOrE nn eee eee eee ee 5 REFRIGERANT R410A ineens senteren dienende inden ennennadenndhebennabdele 9 CONSTRUCTION VIEWS Eeer EeeEeeee 17 WIRING DIAGRAM asset teanndeetdeetd ae cacnia niaaa tennessee 20 SPECIFICATIONS OF ELECTRICAL PARTS nnee een eneen 22 REFRIGERANT CYCLE DIAGRAM eeen eeen eeen 23 CONTROL BLOCK DIAGRAM anisoiersesssenenteneneatnenderddneebnendddnedennkese 25 OPERATION DESCRIPTION eessen 27 INSTALLATION PROCEDURE eege 55 HOW TO DIAGNOSE THE TROUBLE asceeersosssssenenseeeredeerseonserigdutgereenete 68 HOW TO REPLACE THE MAIN PARTS ereen eenen 89 EXPLODED VIEWS AND PARTS LIST nnee eeen ennen 108 SET UP OF SERVICE P C BOARD onseessssenertenesnidiensenesnseadnnedele 118 1 SAFETY PRECAUTIONS For general public use Power supply cord of outdoor unit shall be 1 5 mm HO7RN F or 60245IEC66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precauti
61. ace main P C board Peplace bearing 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the PC board is also mounted to inside of the motor If the PC board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN31 connector while the fan motor is rotating NOTE e Do not disconnect the connector while the fan motor is rotating e Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board Measure voltage between GND BLACK and V line YELLOW of motor connector CN31 while indoor fan motor is rotating DC 1 0V or more Under DC 1 0V P C board is defective 7 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Push the START STOP button Operation lamp on indoor unit is not indicated Is transmission NO mark indicated Is receiver Push RESET button on indoor unit on remote controller ee ee with tip of pencil Doe
62. age of the electrolytic capacity 500uF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electrolytic capacitor by soldering iron Check voltage between motor phases Is not winding between D or O opened or short circuited e Is not frame grounded with OD or 82 Summary If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 100Q 40W or soldering iron plug between terminals of the electrolytic capacitor 500uF of C14 with printed CAUTION HIGH VOLTAGE on PC board Discharging position Discharging period 10 seconds or more Plug of soldering OK if 500UF gt DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55 to 77Q Should be 10MQ or more Diagnosis Process flowchart Contents Summary Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester Replace control e Is not grounded OK if 10MQ or more board assembly e Is not short circuited OK if 0 510 0 570 between windings Check by a digital tester Check compressor e Winding is not opened winding resistance Operation Remove connector CN300 of the outdo
63. air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse motor valve PM V Besides detecting revolution position of the compres sor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions e Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor e Judgment of the indoor heat exchanger temperature by using heat exchanger sensor TC sensor Prevent freezing control and super heat control etc 4 e Judgment
64. and D Se shown in the figure below or more eeben e 250 or more en lt GE Minimum distance from wall 2 dia 11 x 14 long hole For dia 8 10 anchor bolt 19 5 WIRING DIAGRAM 5 1 Outdoor Unit RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E Absorber Compressor rr i A a i ee a i DE RED P04 WHI 1 P05 CM J Be BLK Poe Q200 205 Q300 305 ee IGBT MOS FET JEN ME a pt al telde mili YEL P24 i psy A len l A YEL EA T Bi IT aedem lid al t t H BRW l eege ES P20 P35 LO3 C13 YEL t pas V P C Board LI MCC 5009 Suction pipe a a Wo l Temp Sensor P19 ES NN IN F03 Fuse Lien 1 00 250V CN602 Eat ORN EZ pR T3 15A Ad TO 7 A l Outdoor C14 Temp Sensor LO1 Varistor I AM FN 00 MW rp i Discharge pipe py Varistar F01 Fuse Temp Sensor Relay a Ba 250V r Q404 urge T25A I Pos Pio P02 Condenser pipe BLK WHI Temp Sensor U CA 5 2 Indoor Unit RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E 3X3 Hi h voltage Sch Hig S Indoor Terminal Block 1 2 3 Heat Exchanger OO BLK A A Heat ee BLK I GRN amp YEL L Power Supply 1 220 240V 50Hz i 220V 60Hz l 1
65. ant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually CAUTION Install the outdoor unit in a location where there are no obstructions near its air intake or air outlet When the outdoor unit is installed in a place that is always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield Especially in windy areas install the unit to prevent the admission of wind Installation in the following places may result in trouble Do not install the unit in such places e A place full of machine oil e A saline place such as the coast e A place full of sulfide gas e A place where high frequency waves are likely to be generated such as from audio equipment welders and medical equip 10 4 2 Draining the Water LN Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall follow the steps below to drain off the water Proceed with water proofing by installing the water proof rubber caps in the 2 elongated holes on the base plate of the outdoor unit How to install the water proof rubber caps 1 Place four fing
66. assemble the high voltage generator gt 1 Put the high voltage generator on the evaporator and then fix it with two screws 2 Pass the leads of the high voltage generator through the area designated and insert them into its connectors 91 Part name Electric parts box assembly Procedures 1 Follow the procedure up to 4 in above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector 5P for the fan motor and connector 5P for the louver motor from the electric parts box assembly 4 Pull out TC and TCJ sensors from sensor holder of the evaporator 5 Disengage the two claws at the top of the display unit They can be easily disengaged by pushing the drain pan above the claws and at the same time pulling the display unit toward you 6 Remove the fixing screw that secures the electric parts box assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC and TCJ sensors into the sensor holder Be absolutely sure to loop the grounding wire TC and TCJ sensor leads once at the bottom 92
67. by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 16 4 CONSTRUCTION VIEWS 4 1 Indoor Unit RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E 790 Plasma pure filter Front panel Indoor heat exchanger 790 Air filter 208 r4 8 ty Wl N H EA oe ae Jae D 7 Knockout system Remote controller holder Installation plate hanging section Wireless remote controller 58 19 baal IJ i Installation plate hanging section 290 Drain hose Outside length 0 54m Connecting pipe Outside length 0 4m E Part of Remote controller Flare 9 52 B16SKVP E 12 7 Connecting pipe WH H04JE Outside length 0 45m Flare 06 35 Hanging section 25 Stud bolt hole for 6 Minimum distance to ceiling Stud bolt hole for 8 to 10 SN Minimum distance Minimum dis
68. chor bolt holes as NOTE illustrated in the above figure e Wire type 3 Place the level at the top end of the installation More than HO7RN F or 60245IEC66 1 0mm plate and check that the plate is horizontal CAUTION A switch or circuit breaker that can disconnect CAUTION When installing the installation plate with mount ing screws do not use the anchor bolt holes all poles must be included in the fixed wiring Be sure to use an approved circuit breaker or switch Otherwise the unit may fall down and result in personal injury and property damage NOTE e Make sure the wire length is sufficient before performing wiring work EE Anchor bolt 10 3 4 Wiring Connection Projection K O x 15mm or less How to connect the connecting cable Wiring the connecting cable can be carried out without removing the front panel Fig 10 3 4 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 5 mm dia hole 3 Insert the connecting cable or as according to 7 local regulations codes into the pipe hole on the wall Mounting scre j wa x oaf w 4 Pull the connecting cable through the cable slot on the rear panel so that it protrudes about Clip anchor 15 cm out of the front ocal parts 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws Make a loop wi
69. controlled by the previous operation mode Ta Cooling operation Monitoring Fan Heating operation 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in the left figure 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then select an operation mode 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an operation mode DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons Fan speed 30 1 Detects the room temperature Ta when the DRY operation started 2 Starts operation under conditions in the left figure according to the temperature difference between the room tempera ture and the setup temperature Tsc Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor 2 Ind
70. d Keeps the compressor speed Operates with speed commanded by the serial signal 40 Operation flow and applicable data etc 14 Pulse motor valve PMV control This function controls throttle amount of the refriger ant in the refrigerating cycle According to operating status of the air conditioner this function controls the open degree of valve with an expansion valve with pulse motor Starting up Move to initial position Compressor ON Td PMV open degree control Setup value Setup value Stop by remote controller Setup value Power OFF SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Motor Valve A1 Description 1 When starting the operation move the valve until it fits to the stopper Initialize In this time Click sound may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of PMV is adjusted accord ing to each setup conditions during preparation for defrost or during defrost operation 4 way valve is inversed 5 When turn off the compressor by thermo OFF or STOP by remote controlle
71. d Air flow rate rpm m h Fan speed Air flow rate rpm m h Fan speed Air flow rate rpm m h 31 tem Operation flow and applicable data etc Description 2 Indoor fan lt In heating operation gt 1 When setting the fan speed to L motor control L M M or H on the remote controller the operation is per formed with the constant speed shown in Fig 3 and Table 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set temperature and room temperature 3 Min air flow rate is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 4 4 Cold draft prevention the fan speed M H 2 is controlled by temperature of the WE indoor heat exchanger Tc as shown in Fig 6 MANUAL Indication Fan speed baw ws Lt e L M 2 M WA Min air flow rate control Limited to Min WD tap No limit Fan speed TC 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Cold draft preventive control Tc 46 46 45 45 Line approximate 33 33 H and SUL with Tc 32 32 Aa And A 4 A4 Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M Lt x1 4 L 2 Fan speed M Lt x
72. d serial signal Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compres sor thermo Gas shortage Gas leak Operation continues 75 Flashes when trouble is detected on Return serial signal and normal status when signal is reset 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter PC board 3 Check 3 15A of inverter PC board To display Other block during operation check compressor thermo operation and supply gas check gas leak also Unit operates normally during check If return serial signal does not stop between indoor terminal board 2 and 3 replace inverter PC board If signal stops between indoor terminal board 2 and 3 replace indoor PC board Block distinction Operation of diagnosis function Air Judgment and acti Check Block Cause of operation conditioner Remarks pee a ere status Outdoor P C board Inverter over current protective circuit operates Short time Displayed when error is detected Even if trying operation again all operations stop immediately Replace PC board Position detect circuit error or short circuit between windings of compressor Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect
73. d from condensation which forms on the back of the indoor unit to the drain pan Therefore do not locate the power cord and other parts at a height above the drain guide Wall Drain guide Space for pipes Fig 10 3 23 62 10 4 Outdoor Unit 10 4 1 Installation Location A place which provides enough space around the outdoor unit as shown in the diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb neighbors A place which is not exposed to a strong wind A place free of combustible gases A place which does not block a passageway When the outdoor unit is to be installed in an elevated position be sure to secure its feet This air conditioner accepts a connection piping length from 2 m to 25 m There is no need to add refrigerant as long as the length of the connection piping is 15 m or less You will need to add 20 g of refrigerant per meter of added connection piping for installa tions requiring connection piping to be between 16 m to 25 m An allowable height level is up to 10 m A place where the drain water does not cause any problems 63 Precautions for adding refrigerant e Use a scale having at least 10 g per index line precision when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refriger
74. dicator flashes at 5 Hz intervals This completes the clean operation setting Indoor P C board 5 2 Sue OL i i CN22 CNO3 E R3 IID Oz Ze rD CNO1 CNO8 O C21 1 11 C24 C20 43 tem Operation flow and applicable data etc Description 17 Select switch on 1 Purpose remote controller This operation is to operate only one indoor unit using one remote controller Description Push the operation button When operating one indoor unit in a on the remote controller situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being Select B as the setting for received simultaneously by both units Both indoor units one of the two indoor units and thus preventing both units from operating start operation for the remote controller See below for details Operation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control Unnecessary set ler also set to B Remote controller select At the factory the remote controller selection is set to A on all the indoor units There is no A setting display Setting the remote controller Slide and open the remote controller cover and remove the batteries Cut the jumper wire inside the battery compartment using nippers e The jumper wire should not remain in contact after being cu
75. e e With the remote controller cover removed correctly load the supplied batteries while observing their polarity Wireless remote controller e Indoor units connectable with a multi system outdoor unit Other indoor units are unavailable RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E e When using a multi system outdoor unit refer to the installation manual provided with the model concerned 55 10 2 Optional Parts Accessories and Tools 10 2 1 Optional Installation Parts Part Code Parts name Refrigerant piping Indoor unit name Liquid side Outer diameter Gas side Outer diameter RAS B10SKVP E B13SKVP E RAS 10SKVP ND 13SKVP ND RAS B16SKVP E 16SKVP ND 6 35 mm 12 7 mm 6 35 mm 9 52 mm Shield pipe for extension drain hose polyethylene foam 6 mm thick Attachment bolt arrangement of outdoor unit Elongated 600 e Secure the outdoor unit with the attachment bolts and drain fole nuts if the unit is likely to be exposed to a strong wind e Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple to the base plate of the outdoor unit before installing it 10 2 2 Accessory and Installation Parts Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty Remote controller holder mounting screw 3 1x 16L x 2 RN Plasma pure filter x 1 Drain nipple x 1 ES ES Battery x 2
76. e U S s ARI specified rose color ARI color code PMS 507 e Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 57 10 3 Indoor Unit 10 3 1 Installation Location e A place which provides enough spaces around the indoor unit as shown in the diagram s A place where there are no obstacles near the air inlet and outlet e A place which allows easy installation of the piping to the outdoor unit s A place which allows the front panel to be opened CAUTION e The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2m in height Also avoid putting anything on the top of the indoor unit e Direct sunlight on the indoor unit wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to r f sources For details see the owner s manual Remote controller e Should be placed where there are no obstacles such as curtains that may block the signal e Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove e Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote controller should be determined as shown below Side
77. e a little off the room temperature 8 C due to the room size or installation condition of the unit During operation Push 8 C button Shifts to 8 C HEAT operation Push 8 C button Do you stop 8 C HEAT operation YES NO Push dh button Operation stop Contents of which setting can be changed SWING louver swing FIX louver position FAN fan speed PURE pure operation 47 Description lt Start gt During stop of air conditioner e Pushing 8 C button turns on the Operation lamp Green of the main unit is turned on and the HEAT operation of set temp 8 C starts During operation of air conditioner e Pushing 8 C button shifts the operation to HEAT operation with set temp 8 C e In case of COOL including automatic cooling or DRY operation 8 C HEAT operation starts approx 3 minutes after operation stop In case of HEAT operation the operation shifts to 8 C HEAT operation as it is If the timer operation has been set up before 8 C HEAT operation the setup is released when 8 C HEAT operation starts x When 8 C button is pushed again during 8 C HEAT operation the status returns to that before 8 C HEAT operation x When the operation shifts from 8 C HEAT operation to the normal HEAT operation the cold draft preventive control works Therefore the hot air may blow out after approx 5 minutes lt Stop gt Pushing dh but
78. e at this time push RESET button once more or use the remote controller to turn it off e When the unit is in operation Push RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds L The unit stops operating The green indicator is turned off de After approx three seconds The unit beeps three times The green indicator flashes for 5 seconds If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on e After restarting the air conditioner by the AUTO RESTART OPERATION the louver swing AUTO operation resumes e While the filter check indicator is on the RESET button has the function of filter reset button 50 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off e When the system is on stand by not operating Operation Motions Push RESET button for more than The unit is on standby three seconds Less than 10 seconds l The unit starts to operate The green indicator is on L After approx three seconds The unit beeps three times and continues to operate If the unit is not required to
79. e cord clamp from the outdoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit Insert the power cord and the connecting cable fully into the terminal block and secure it tightly with screws Use vinyl tape etc to insulate the cords which are not going to be used Locate them so that they do not touch any electrical or metal parts Secure the power cord and the connecting cable with the cord clamp Attach the electric parts cover and the valve cover on the outdoor unit Stripping length of connecting cable Terminal block Connecting cable Power cord Fig 10 4 11 A 10 10 A Sch R D 40 ue 40 30 30 Connecting Earth line cable Power cord Earth line Fig 10 4 12 Power source S 10SAVP E 13SAVP E 16SAVP E Model RAS 49SAVP ND 13SAVP ND 16SAVP ND 220 240V 50 Hz 220V 60 Hz E model only Maximum running current 12 5A Installation fuse rating 16 A breaker or fuse All types can be used Power cord HO7RN F or 60245IEC66 1 5 mm Connection cable 66 Wire type HO7RN F or 60245IEC66 1 0 mm CAUTION e Incorrect wiring connection may cause electrical parts to burn out Be sure to comply with local regulations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Every wire mus
80. ely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under another polarity MCC 5009 the pointer should return Soldered surface o C12 C13 C14 500uF 400V Heat sink IGBT side Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in place 4 Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics Tester rod Resistance value in good product DBO1 10 to 20 Q when the multimeter probe is reversed 87 11 10 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom e Outdoor fan motor does not rotate e Outdoor fan motor stops within several tens seconds though it started rotating e Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate
81. emm OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz Li NOTES 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing 71 11 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condition and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes GHz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode Push CHECK button with a tip of pencil to set the remote controller to the service mode e If is indicated on the display of the remote controller Push ON A or OFF Y button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows Di AD oss
82. emove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the PC board is inserted properly into the PC board support groove 101 Remarks CN603 E CN701 CN703 m CN601 CN600 CN700 CN602 CN300 CN300 CN701 CN703 CN600 and CN603 are connectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out 1 P C board base P C board SS Part name Side cabinet Procedure 1 Side cabinet right 1 Perform step 1 in and all the steps in 2 Remove the fixing screw ST1T 4 x 8L 5 pcs used for securing the side cabinet to the bottom plate and valve fixing panel Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw ST1T 4 x 8L 1 pcs used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1T 4 x 8L 2 pc used for securing the side cabinet to the bottom plate and heat exchanger Detail A Detail B Remarks The back body section is hooked onto the bottom plate here Detail C Fan motor 1 Perform work of item 1 of and 2 Remove the flange nut fixing the fan motor and the propeller e Flange nut is loosened by turni
83. erant from being charged each port diameter has been changed Charge hose In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Torque wrench nominal diam 1 2 5 8 The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector Exclusive for HFC refrigerant e Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in th
84. ers into each cap and insert the caps into the water drain holes by pushing them into place from the underside of the base plate Push down on the outer circumferences of the caps to ensure that they have been inserted tightly Water leaks may result if the caps have not been inserted properly if their outer circumfer ences lift up or the caps catch on or wedge against something X WF SY 2 ZZ h J SS L714 97 Water proof rubber caps supplied with the outdoor unit Fig 10 4 2 Install the drain nipple and a commercially available drain hose with 16 mm inside diam eter and drain off the water For the position where the drain nipple is installed refer to the installation diagram of the indoor and outdoor units e Check that the outdoor unit is horizontal and route the drain hose at a downward sloped angle with very little slack to the hose Base plate Drain nipple aie Commercially available x drain hose Do not use ordinary garden hose which can flatten and prevent drainage Fig 10 4 3 10 4 3 Refrigerant Piping Connection Flaring 1 Cut the pipe with a pipe cutter OX X X Te S Obliquity Roughness Warp Nc gt D a A D 7 Fig 10 4 4 2 Insert a flare nut into the pipe and flare the pipe e Projection margin in flaring A Unit mm Rigid Clutch type Outer dia of R410A Conventional copper pipe tool used tool used
85. esults in machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear right ee Rear left se Bottom left gt mm En Je Fig 10 3 10 Changing drain hose Piping preparation o D0 b e Bo aa PE 29 OW Die cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or right side of the front panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For left connection left bottom connection and rear left connection s piping it is necessary to relocate the drain hose and drain cap How to remove the drain cap Clip drain cap with needle nose pliers and pull out TE eh Fig 10 3 11 How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Drain hose Fig 10 3 12 60 How to attach the drain cap 1 Insert hexagonal wrench 4 mm 4mm Fig 10 3 13 2 Firmly insert drain cap Do not apply lubricating oil refrigerant machine oil when inserting the drain cap If applied deterioration and drain leakage of the drain Inser
86. eventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour e While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body N Does the indoor fan rotate 2 To item Only indoor fan does not operate YES Does the PURE indicator Blue or NO the FILTER indicator Orange go on Replace the main P C board MCC5045 YES Is DC 5V to DC 10V applied between Brown Negative voltage and 2 Brown GND of CN42 of the main P C board e How to check output of the air purifier NO lt Caution on High Voltage gt Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on NO Collector YES YES Are the electric dust collector and ionizer dried Electrode check NO Dry the electric dust collector and ionizer YES Referring to the right figure check the high output voltage of the air filter unit NOTE Use an exclusive high voltage tester otherwise the tester may be broken YES Is output of the ionizer V kein E Replace the high voltage generator approx 3 0 kV to 3 8 kV Be sure not to come to contact to the gray part or not to touch the ionized
87. ground wires to gas pipes water pipes lightning rods or ground wires for telephone cables Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock CAUTION Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit For Reference If a heating operation would be continuously performed for a long time under the condition that the outdoor temperature is 0 C or lower drainage of defrosted water may be difficult due to freezing of the bottom plate resulting in a trouble of the cabinet or fan It is recommended to procure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer 2 SPECIFICATIONS 2 1 Specifications RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS B16SKVP E RAS 16SAVP E RAS B10SKVP E R
88. he outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the com pressor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions e ON OFF Air conditioner Air purifier e Operation select COOL HEAT AUTO DRY e Air direction e Swing e Air volume select AUTO LOW LOW MED MED HIGH e Sleep mode e ON timer setup e OFF timer setup e High power e 8 C heat operation CND model only Indoor unit Signal receiving Indoor unit control e Command signal generating function of Indoor unit control indoor unit operation Indoor unit control e Calculation function temperature calculation Indoor fan motor e Activation compensation function of indoor fan Louver motor Operation command e Cold draft preventive function e Timer function Serial signal send receive e Indoor heat exchanger release control WE Outdoor unit Yd Serial signal send receive Outdoor unit control Inverter D e Compressor speed control of inverter output Outdoor unit control e Waveform composite function e Calculation function e Compressor Temperature calculation e Outdoor fan motor e AD conversion function e 4 way valve e Quick heating function e Pulse motor valve e Delay function of compressor reactivation P M V e Current release fu
89. ightening torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market Nem kgfecm Nominal Outer diameter Tightening torque diameter mm Nem kgfecm 14 to 18 140 to 180 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 2 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 012 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools co
90. in the section Auto Restart Function on Owner s Manual Fig 10 5 4 67 11 HOWTO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure i Troubleshooting Procedure First Confirmation How to Check Simply the Main Parts Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller How to Check Simply the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor Fan Motor is Good or Bad Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGEN The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the PC board by hand The new inverter 3DV inverter will be incorporated starting with this unit 3DV 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor G Fan motor 6IN1 FET 1 Separated potential Hall device ee ad Co
91. increases 2 C The value of the preset temperature on the remote controller does not change 4 The Hi POWER mode can not be set in Dry operation 5 Release of Hi POWER mode e Push Hi POWER button on the remote controller again 54 10 INSTALLATION PROCEDURE 10 1 Safety Cautions For the rear left and left piping Hook 47 mm or more CO Installation plate 140 mm or more Insert the cushion between the indoor unit and wall and tilt the indoor unit for better installation work Cut the piping hole slightly sloped Make sure the drain hose is sloped downward Shield pipe for extension drain hose The auxiliary piping can be connected at the left rear left Wireless SS rear right right bottom right or remote controller bottom left as shown below 80 mm or more only when unobstructed to the front and both sides 50 mm or more from wall 100 mm or more from wall In principle leave open Bottom right Rear left As shown in the figure position power cord and connecting cable downward and lead out along piping connection port e at more Insulate the refrigerant pipes rons separately not together Power cord SC D Remote controller holder mounting screw When installing the outdoor unit leave open in at least two of directions A B C and D shown in the figure below Ensure sufficient space to allow drainag
92. ist are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 4306A132 43062263 43050425 43050426 4306S936 43051350 Description Terminal Block 3P Cover E Parts Sensor TC 6 TCJ G6 Sensor TA PC Board Ass y WRS LED Switch Ass y Micro Location No 111 411 412 413 43067115 4306S949 4306S950 4306S951 Description Clamp Cord PC Board Ass y 10SKVP ND PC Board Ass y 13SKVP ND PC Board Ass y 16SKVP ND 406 13 2 Outdoor Unit RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E 14 15 17 18 20 21 23 24 25 112 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing COCO ON DOA REN 43005657 43005642 43005658 43005634 4301V035 4301V053 43100346 43119471 43062262 43041641 43043780 37546845 43046442 43146680 43147196 43047401 43147195 43047676 43047677 43047655 43047679 43047680 Description Cabinet Front Cabinet Upper Cabinet Side Right Cabinet Side Left Guard Fan Guard Fin Base Ass y RoHS Cover Valve Packed Cover Wiring Ass y Compressor DA111A1F 24F Condenser Ass y Valve Packed 6 35 Valve Packed 9 52 10SAVP E 13SAVP E Valve Packed 12 7 16SAVP E Bonnet 1 4 IN Bonnet 3 8 IN 10SAVP E 13SAVP E Bonnet 1 2 IN 16SAVP E Nut
93. l Dad Si p a gt Bi ae ee es e The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec e Check the unit with all 52 check codes iff to 77 as shown in Table 11 4 1 Por e Push ON A or OFF el button to change the check IE Ed A code backward ACK AUTO ARE OE 3 te 88 Dn HiPOWER amp MAAA E EE Lt m If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of the remote controller e 2 digits alphanumeric will be indicated on the display Alphanumeric characters are used for the check codes e All indicators on the indoor unit will flash 5 is5 h is 6 5 times per 1 sec A is A h is B i gege a T 3 Push START STOP button to release the service mode e The display of the remote controller returns to as it was before service mode was engaged 4 Time shortening method 1 Push SET button while pushing CHECK button 2 Push START STOP button Fig 11 4 1 11 4 2 Caution at Servicing 1 2 After servicing push the START STOP button to return to the normal mode After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed mem
94. lashes for 5 seconds motor and the setup temp value are kept as e Exchanging from Control to No control Ee Beep sound is heard Operation Operation LED does not flash As shown in the table the maximum revolution number of indoor unit compressor can be reduced As the maximum number of revolution of the compressor is restricted the rise up performance at the start time is weakened lt Maximum number of revolution of compressor at normal time and Quiet control time gt RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E Outside temp Normal time Quiet controlled Normal time Quiet controlledd Normal time Quiet controlled TO rps rps rps rps rps rps RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND Outside temp Normal time Quiet controlled Normal time Quiet controlled Normal time Quiet controlled TO rps rps rps rps rps rps 46 20 8 C HEAT operation ND model only During stop Push 8 C button ON 8 C HEAT operation starts N O Do you stop 8 C HEAT operation YES button Push dh Operation stop OPERATION lamp Operation flow and applicable data etc Pushing the 8 C button on the remote controller starts HEAT operation with set temp 8 C The air conditioner is controlled according to the room temperature 8 C as a standard The room temperature may b
95. ltage swings between DC15 and 60V Inverter Assembly check 11 8 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started lt Check procedure gt Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective oo Refer to the chart in 11 6 Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off of TC sensor 79 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt Gas leakage Discharge temp error disconnection of TS TC gas leakage sensors Check code 02 1C Check code 03 1E lt Valve drive check Is coil of the pulse motor valve NO P M V correctly set YES Set it correctly lt NO Is connecter of coil connected to inverter YES l
96. m the outdoor unit controller it is assumed as a trouble 9 2 Operation Description 9 2 9 3 9 4 9 5 Hs Basic operato EE 29 EN Operation COMM Oli nn say tenes Poe cease rabe cee kenen E eenen 29 2 COCIMG MEAUING OPSrAUON E 30 3 AUTO OpSraUON EE 30 A DRY ee EEN 30 2 Indoor fan Motor COMO EEN 31 3 e ie eeler fuere ge ne EE 33 4 Capacity E 34 5 Current release Control 34 6 Release protective control by temperature of indoor heat exchanger 35 de Quickheating Conto NEE 36 8 Defrost control Only in heating operation eran ssanansnnereeevensnnnnnenneeeeen venne 36 9 LOUVEr COMO okee ENEE EREECHEN 37 1 Louver POSION sisiraan etat 37 2 Air e E TE e LE 37 3 RO WE 37 10 SLEEP MODE Operation as nasa Ed SEA teed eet eeedaadsealicechaneds 38 11 gt Temporary Oe Deene eg ence E eege awe ebe 39 12 Air purifying control Detection of abnormal sneer ernersennrsnverssserrnene eenander 39 13 Discharge temperature Control Sec cwsucauacrenienetvanacesnunbnenices waaetenbtadtums eneen 40 14 Pulse moter valve PMV COMO EE 41 15 Clean operaUlOn ua ease eenander eremetaal onee dend AE 42 16 Clean operation release isnie eee eenr eene rnne ven 43 17 Select switch on remote controller nnn nnee nereeneeereeeeeeereneveneeeneeereeneeeee enen 44 18 Set temp correction naan nnnnnnennennnenneennensenseeeneneerveerenr eens een enen vensennneenneeneen 45 19 Outdoor Quiet Control 46 2
97. ment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 8L 1 pc e After removing screw remove the valve cover pulling it downward 3 Remove wiring cover ST1T 4 x 8L 2 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 8L 5 pcs e After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water proof cover The water proof cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 8L 5 pcs 3 Perform cabling of connecting cable and attach the wiring cover e Place the wiring cover over the opening used to work on the con necting wires of the side cabinet and secure it using the two fixing screws ST1T 4 x 8L 2 pcs At this point the top cushion of the wiring cover must be on the inside of the opening 4 Attach the valve cover ST1T 4 x 8L 1 pc e Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward 98 Remarks Upper cabinet Water proof cover Valve cover Insert the bent part into the rear
98. mmonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air water air water heat pump installation heat pump installation Used tool Existence of Whether conven Whether new equipment new equipment tional equipment can be used with for R410A can be used conventional refrigerant Flare tool Pipe flaring Note 1 O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Note 1 Note 1 Torque wrench i x For 212 7 Connection of flare nut Gauge manifold Evacuating refrigerant charge run check etc Charge hose Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Yes Charging cylinder Refrigerant charge Note 2 Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive
99. mpressor Fan motor Shared potential SAVP E SAVP ND GAVP E EAVP E series uninsulated type Fig 11 1 68 A CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads Fig 11 2 Do NOT lay the circuit board assembly flat Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lo
100. nction e Freeze prevention e GTr over current preventive function heater e Defrost operation function ND model only 29 Operation flow and applicable data etc 2 Cooling Heating operation 1 Basic operation The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse motor valve and 4 way valve according to the operation signal sent from the indoor unit Operation ON Setup of remote controller Indoor unit control Sending of operation command signal Indoor fan motor control Louver control Compressor revolution control Outdoor fan motor control Outdoor unit control 4 way valve control In cooling operation ON In heating operation OFF Pulse motor valve control AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation 1 When reselecting the operation mode the fan speed is
101. ng 94 Remarks Bearing base Screw Remove in this direction Bearing base Part name Fan motor Procedures 1 Follow to the procedure in the item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward In assembling work install the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front e After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws Secure using the fixing screw Motor band Right PS Screw _ Secure using KS the fixing screw I Fan motor leads Remarks Cross flow fan 1 Follow to the procedure in the item 2 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 3 Loosen the set screw of the cross flow fan 4 Lift the left side of the heat exchanger and pull out the cross flow fan 95 Part name Cross flow fan Procedures lt Caution at reassembling gt 1 At assembling work of the bearing base check that the drain pipe is surely incorpo rated in the back body Otherwise water leak is caused 2
102. ng clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 2 pc holding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem 102 Flange nut Part name Compressor Procedure 1 Perform work of item 1 of O and 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 8L 3 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor from the terminal 6 Remove pipe connected to the compressor with a burner e Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST1T 4 x 8L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x 8L 1 pc 9 Pull upward the refrigeration cycle 10 Remove BOLT 3 pcs fixing the compressor to the bottom plate Precautions when assembling the compressor Tighten the compressor bolts using a tighten ing torque of 4 9 Nem Remarks Valve fixing plate Compressor Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactor ST1T 4 x 8L 4 pcs
103. ng operation E AUTOAM OM J a EEE il Er j OFF Lem Le C AN D D PM Ht 14 16 15 13 18 10 19 9 9 5 2 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pushing the di button 1 2 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control er Cool Dry Heat Temperature indicator Indicates the temperature setting 17 C to 30 C PURE indicator Shows that the electrical air purifying operation is in progress FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW _ LOW _ MED Lam MED nan HIGH emp Can be shown Indicates AUTO when the operating mode is either AUTO or du Dry F lt e AUTO A om ei 53 6 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 7 Hi POWER indicator Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation 8 MEMORY indicator Flashes for 3 seconds when the MEMO bu
104. nt piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare processing procedures and precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut 10 d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a conventional flare tool be sure to secure dimension A by using a gauge for size Fig 3 2 1 Flare processing dimensions adjustment Table 3 2 3 Dimensions related to flare processing for R410A A mm Outer Thickness s diameter mm Flare tool for R410A Conventional flare tool mm Nominal diameter clutch type Clutch type Wing n
105. o contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use
106. on cuttings or other debris enter the inside of To test the system push and hold RESET button for the remote Ge 10 sec There will be one short beep 3 Insert the batteries B appears in the remote controller display 2 Setting the unit Push the RESET button to start automatic operation 3 Push the di button of the remote controller that was set in step 1 to stop the air conditioner This operation will change the setting to B 4 Check that the remote controller operates the indoor unit RESET Nae L PURE ees RESET button Fig 10 5 2 Cutting direction 10 5 3 Auto R in i Ce 0 5 3 uto Restart Sett g Jumper wire This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure 0 amo When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals Information The product was shipped with Auto Restart function in the OFF position Turn it ON as required Fig 10 5 3 How to Set the Auto Restart RESET e Push and hold the RESET button for about 3 ES LL PS TA seconds After 3 seconds three short electric beeps will be heard to inform you that the Auto Restart has been selected eier e To cancel the Auto Restart follow the steps described
107. on plate at the upper hooks 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate 3 While pushing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate Hook here Installation plate Push unhook Fig 10 3 19 e For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Push Push Fig 10 3 20 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE e Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into the waved shape Do not route the drain hose upwards A comm AX SV coe Do not put the drain hose end into water Do not put the drain hose end in the drainage ditch Fig 10 3 21 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie SE 7 N Drain hose Inside the room Extension drain hose Fig 10 3 22 CAUTION Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room This air conditioner has been designed to drain water collecte
108. ons described below include the important items regarding safety Observe them without fail After the servicing work perform a trial operation to check for any problem Turn off the main power supply switch or breaker before the unit maintenance CAUTION New Refrigerant Air Conditioner Installation e THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Moreover do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing
109. oor fan motor control Fan speed level Operation flow and applicable data etc lt In cooling operation gt This operation controls the fan speed at indoor unit side The indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respectively Table 1 MANUAL Indication Fan Speed ee Wo M H 2 WC 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Table 1 Indoor fan air flow rate Description Symbols UH Ultra High H High M Medium M Medium L Low L Low L Low UL Ultra Low SUL Super Ultra Low The fan speed broadly varies due to position of the louver etc The described value indicates one under condition of inclining downward blowing 1 When setting the fan speed to L L M M or H on the remote controller the operation is performed with the constant speed shown in Fig 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature RAS B10SKVP E RAS 10SKVP ND RAS B13SKVP E RAS 13SKVP ND RAS B16SKVP E RAS 16SKVP ND Fan spee
110. or fan motor turn on the power supply breaker Replace Replace and perform the operation control board compressor Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped 11 9 How to Check Simply the Main Parts 11 9 1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing the front panel or the PC board be sure to shut off the power supply breaker 2 When removing the P C board hold the edge of the PC board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the PC board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this PC board 2 The PC board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 15V Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving infrared ray receiving circuit LED To check defect of the PC board follow the procedure described below 83 3 Check procedures Procedure Turn off the power supply breaker and remove the PC board assembly from electronic parts base Remove the connecting cables from the terminal block Table 11 9 1 Check points
111. or value lowered during heating operation Operation continues 74 Check 4 way valve operation 11 5 Judgment of Trouble by Every Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely lt Primary check gt 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly Operation 4 Is the fuse F01 blown Check Item Considerable principle cause Turn off power supply once and 5 second later turn it on again Measures Item by symptoms NO Is OPERATION indicator flashing YES Does transmission mark on remote controller flash START STOP button normally and is its signal on remote controller transmitted properly YES YES Unit operates normally Is fuse FO1 of indoor control board blown Is it possible to turn on power supply by pushing Remote controller is defective Refer to 5 Troubleshooting for remote controller Does fan motor connector between CN31 short circuit o gt Microcomputer Replace main gt is defective P C board Parts R01 R02 DBO1 CO1 YES C03 IC11 and T101 are defective Is voltage DC12V or 5V indicated on rear of indoor control board normal NO Bi Parts of a power supply circui
112. ory After servicing push CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 11 4 1 Operation of diagnosis function Check Block Indoor PC board etc Cause of operation Short circuit or discon nection of the room temperature sensor TA sensor Air conditioner status Operation continues Remarks Displayed when error is detected Judgment and action Check the room temp sensor When the room temp sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check PC board Being out of place disconnection short circuit or migration of heat exchanger sensor TCJ sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Lock of indoor fan or trouble on the indoor fan circuit Displayed when error is detected Check the motor When the motor is normal check PC board Not displayed Trouble on other indoor PC boards Operation continues Displayed when error is detected Replace PC board Connecting cable an
113. ot is detected and the operation of air conditioner stops and an indoor unit controller alarm is displayed if the fan is locked 4 According to each operation 1 Outdoor unit mode by the conditions of operation command outdoor temperature To and Outdoor fan control compressor revolution the speed of the outdoor fan shown in the 2 Fan speed gt 400 OFF status of ane the motor stopped fan motor continues table is selected NO Fan motor ON YES Air conditioner Alarm OFF display 4 Motor operates as shown in the table below In cooling operation In Heating operation 13 8 31 7 Compressor speed rps 16 8 47 9 MIN MAX MIN MAN To 2 15 C To gt 38 C f2 f3 fC fD To lt 15 C To 2 28 C f2 f3 fB fC To lt 5 5 C To gt 15 C f2 f3 f8 f9 To lt 5 0 C To gt 5 5 C f2 f3 f6 f7 To gt 15 C To gt 0 C f1 f2 4 5 During To lt 15 C SLEEP During To 2 38 C f2 f3 fB fC MODE To lt 5 5 C SLEEP MODE To lt 38 C f2 f3 f2 f3 To lt 5 5 C When To is abnormal fD fF fD fF When To is abnormal Compressor speed rps Outdoor fan speed rpm 10SAVP E 13SAVP E 16SAVP E 10SAVP E 13SAVP E 16SAVP E 10SAVP ND 13SAVP ND 16SAVP ND T ap 40SAVP ND 13SAVP ND 16SAVP ND 33 4 Capacity control adjusted Remo
114. otor 11 9 4 Outdoor Unit Part name Compressor Model DA111A1F 24F Refer to 11 5 1 3 and 4 Checking procedure Measure the resistance value of each winding by using the tester Red White White Black Black Red 1 02 to 1 12Q White Black Under 20 C Outdoor fan motor Model ICF 140 43 4R Measure the resistance value of winding by using the tester Position Resistance value Red White 20 to 22Q White Black 20 to 22Q Black Red 20 to 22Q White Black Under 20 C 4 way valve coil Model STF 01AJ502E 1 Measure the resistance value of winding by using the tester 1435 1440 Under 20 C B Pulse motor valve coil Model CAM MD12TF 10 Measure the resistance value of winding by using the tester Red White 42 to 50kQ White Orange 42 to 50kQ Brown Yellow 42 to 50kQ 42 to 50kQ Under 20 C Brown Blue Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE Disconnect the connector and measure resistance value with the tester Normal temperature 100 20 7 SE a 12 6 10 0 7 9 4 5 86 11 9 5 Checking Method for Each Part Part name Electrolytic capacitor For boost smoothing Checking procedure Turn OFF the power supply breaker Discharge all three capacitors complet
115. otor connector CN31 Is it possible to detect DC 310 340V between and of motor connector CN31 NO 5 Se Turn off indoor unit and remove Motor connection condition connector from motor Is it possible to detect DC 15V Th en push START STOP button between and O of on remote controller to stop motor connector CN31 flashing lamp on indoor unit Is it possible to detect DC 15V between O and of motor connector CN31 Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and of motor connector CN31 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller Start to operate the indoor unit in except heating operation At this time is it possible to detect DC_1V or more between and of motor connector CN31 Check this condition within 15 seconds after starting unit Is it possible to NO rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby NO At this time is it possible to detect DC 1V or more between 6 and O of motor connector CN31 76 Peplace indoor fan motor Pepl
116. own if cylinder is not equipped with siphon Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit JepuIijk9 Refrigerant ueia uoy cylinder Electronic balance Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies Fig 3 4 2 3 5 Brazing of Pipes eae 1 Phosphor bronze brazing filler tends to react 3 5 1 Materials for Brazing with sulfur and produce a fragile compound water solution which may cause a gas 1 Silver brazing filler leakage Therefore use any other type of Silver brazing filler is an alloy mainly composed brazing filler at a hot spring resort etc and of silver and copper It is used to join iron copper coat the surface with a paint or copper alloy and is relatively expensive 2 When performing brazing again at time of though it excels in solderability servicing use the same type of brazing filler 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux 3 Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called By removing the oxide film and any foreign solder and is an alloy of tin and lead Since i
117. pe lt 15 2 of heat insulator T r nr Strainer Pulse motor valve at liquid side CAM B22YGTF 3 Compressor DA111A1F 24F Outdoor heat exchanger Split capillary Propeller fan Temp measurement Refrigerant amount 1 05kg OUTDOOR UNIT EBB Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating e The maximum pipe length of this air conditioner is 25 m When the pipe length exceeds 15m the additional charging of refrigerant 20g per 1m for the part of pipe exceeded 15m is required Max 200g 23 7 2 Operation Data lt Cooling gt Temperature Heat exchanger condition C Model name Standen pipe temp Indoor Outdoor fan mode fan mode T4 C T2 C rps Compressor pressure revolution P MPa RAS Indoor Outdoor B10SKVP E 40SKVP ND 10t 1 2 13t015 36to 39 B13SKVP E 13skvp nD 2 9 1 1 10to13 37 to 39 B16SKVP E 46SKVP ND 2801 0 8to11 37to40 lt Heating gt Temperature Standard Heat exchanger condition C Model name pipe temp Indoor Outdoor pressure RAS fan mode fan mode P MPa T1 C Gro rps Compressor revolution Indoor Outdoor B10SKVP E 10SKVP ND 2 1 to 2 3 37 to 39 B13SKVP E 13SKVP ND 2 4 to 2 6 41 to 44 B16SKVP E 16SKVP ND 2 8 to 3 0 48 to 50 NOTES
118. r the open degree of the PMV is adjusted to the setup valve ltem Operation flow and applicable data etc Description 15 Clean operation 1 Purpose The clean operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside of the air conditioner clean Clean operation When the cooling or dry operation shuts down the unit automatically starts the Push STOP button clean operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Only S CLEAN indicator lights and clean operation starts clean operation stops The clean operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller is received the S CLEAN indicator green on the main body lights and the clean operation starts the TIMER indicator light 2 The period of the clean operation is determined by the duration of the operation performed prior to the e During clean operations The louver opens reception of the stop code slightly The indoor fan operates continuously at 3 After the clean operation has been a speed of 260 rpm performed for the specified period the Clean operation times unit stops operating Operation mode Operation time Clean operation time Up to 10 minutes
119. r is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on the indoor unit FILTER indicator goes off Reset by RESET button b SN 2 If the air purifying error input was Reset by RESET button or by the stop direction detected by 5 times or under turn on from the remote controller the purifier again approx 10 minutes When the breaker is turned ON or RESET after and judge it again button is pushed while the FILTER indicator is If the air purifying error input was turned on the air purifier is not turned on until detected by 5 times or more deter the integrated operation time of the indoor fan mine the error and turn on the Filter exceeds 1 hour after operation start lamp It is the safety measures considering an incom plete drain when electric dust collector has been cleaned with water 13 Discharge temperature control Purpose This function detects error on the refrigerating cycle or error on the com Judges as an error and stops the compressor pressor and performs protective control Control operation Reduce the compressor speed Operation Reduce slowly compressor speed e Control of the compressor speed The speed control is performed as described in the left table based upon If the operation is performed with lower speed than the discharge temperature one commanded by the serial signal speed is slowly raised up to the commanded spee
120. re is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is necessary to carry out installation servicing safely while taking the follow ing precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pres sure in the refrigeration cycle becomes abnor mally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming int
121. refrigerant charging see the figure below Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Water heat exchanger unit Outdoor unit Refrigerant cylinder ian siphon Open close valve for charging Electronic balance ESES refrigerant charging Service port Fig 3 4 1 Configuration of refrigerant charging 14 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside d
122. rifier operate Air purifier operates 39 Fan Air purifier ON Air purifying operation olem Operation flow and applicable data etc Description 12 Air purifying control Detection of abnormality 1 Purpose The air purifying control function is to Air purifying operation alert the user to trouble in the ionizing or air purifying operation PURE lamp ON Description Trouble is determined to have occurred indicated by the FILTER indicator in the Air purifier power ON following four cases r 1 When a count of 1000H has been reached on the timer Air purifier 2 When the panel switch has been set to PEN D OFF by the opening of the air inlet grile etc Ene 3 When an abnormal discharge caused by a symptom such as the build up of YES dirt has been detected while the air purifier is ON 4 When the electric dust collector has not been installed hdd Trouble case 2 or 3 is deemed to have occurred when the action Error input concerned continues for more than was detected by one second 5 times or more YES Filter lamp 1Hz ON Operation Approx 10 minutes The sequence that FILTER indicator is Air purifier power OFF passed from the error input turned on are described in the left flowchart was detected 1 When 1000H timer counts up the FILTER indicator keeps lighting even if Filter lamp 1Hz ON the operation is stopped by the remote controller The time
123. s condition PC board can be checked e If there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 100Q40W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF on PC board Be careful to discharge the capacitor because the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between polarity with screwdriver etc for discharging 4 Remove screw ST1T 4 x 8L 2 pcs fixing the main body and the inverter box 5 Remove the front cabinet by performing step 1 in and remove the fixing screws ST1T 4 x 8L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector 100 Remarks Inverter cover P C board Soldered surface Discharging position
124. s indoor unit operate when moving remote controller near receiver or indoor unit Is there any thyristor fluorescent light nearby Batteries are exhausted Push the START STOP button Is transmission NO mark indicated Does indoor unit beep and operate Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio P C board Remote controller is defective is defective Keep indoor unit Avoid direct away from thyristor Replace Replace Normal Replace sunlight fluorescent light P C board batteries operation remote controller NOTE After replacing batteries push the RESET button with a tip of a pencil 78 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram NOTE e Measurement should be performed 2 minutes and 30 seconds after starting of the operation e Be sure to prepare a diode for judgment Terminal block at indoor side Red O O S5277G or equivalent G or J type S5277G Diode with rated voltage of 400V White or more is acceptable Terminal block Tester Normal time Vo
125. sensor TO OFF ON Equivalent to 75W When TO sensor is defective turn off normal heater output When COOL thermostat is ON turn off the heater output 49 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down e When the unit is standby Not operating Operation Motions Push RESET button for more than The unit is on standby three seconds Less than 10 seconds l The unit starts to operate The green indicator is on 4 After approx three seconds The unit beeps three times The green indicator flashes and continues to operate for 5 seconds If the unit is not required to operat
126. side R30 or less 6 35 R40 or less 9 52 R50 or less 012 7 Make sure to use a spring bender to avoid crushing the pipe CE EE H Outward form of indoor unit Lee SLI N Z ai Use a screwdriver handle etc Fig 10 3 17 NOTE If the pipe is incorrectly bent the indoor unit may be unstable on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 61 CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Indoor unit Auxiliary pipes Connecting cable Installation plate Fig 10 3 18 Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since condensation can result in machine performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it 10 3 6 Indoor Unit Installation 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installati
127. sor e Attachment With the leads pointing downward and the sensor leads pointing in the direction shown in the figure install the sensor onto the straight pipe part of the condenser output pipe Y A Detail C SLE TS sensor Suction pipe temperature sensor e Attachment With its leads pointing downward point the sensor in the direction of the packed valve and install it onto the straight pipe part of the suction pipe Detail C TD sensor Discharge pipe temperature sensor e Attachment With its leads pointed downward install the sensor onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor e Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger Detail B Detail A Arrow D TS sensor TD sensor TO sensor CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric shocks and or a fire CAUTION After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions 105 Part name
128. t Set it correctly Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Replace coil valve Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE outdoor suction temp sensor TS and outdoor sensor TO YES Set it correctly lt Gas amount check and valve clogging check Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Beep sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of compressor speed Check condensation at outlet of PMV and then check operating pressure from the service port Existence of condensation at outlet of P M V YES If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged Replace valve Check the operating pressure from service port and add gas if pressure is low 80 Add gas 11 7 Troubleshooting 11 7 1 How to Check Whether the Air Purifier is Good or Not Primary check x
129. t Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote HIPOWER SLEEP MODE MEMO 1 3 5 9H wma Fx Fan ore Jumper wire OG controller ON i d aoo lw le Insert the batteries B appears in the remote controller RESET O j CHECK O display Even after the jumper wire has been cut switching between A and B is still possible by pushing the CHECK button and FIX button together The A or B setting which was switched by pushing the CHECK button and FIX button together is restored to the setting established prior to the switching when the battery is replaced or the RESET button is pushed Setting the unit Push the RESET button Indoor unit to start automatic operation Cutting direction Push the d button of the remote controller that was set g I A in step 1 to stop the air conditioner This operation will change the setting to B 4 Check that the remote controller operates the indoor unit When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals 44 18 Set temp correction Operation flow and applicable data etc lt Indoor control P C board At shipment gt Jumper wire J801 J
130. t defective NO YES Is DC310 340V supplied between CN31 D Replace fan motor e Be sure to disconnect the motor connector CN10 after shut off the power supply or it will be a cause of damage of the motor 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply in A Is wired correctly to white and irj Does OPERATION indicator flash black lead wires of terminal block Correct wiring YES YES To item of Power supply is not turned on 75 3 Only the indoo lt Primary check gt r motor fan does not operate 1 Is it possible to detect the power supply voltage AC220 240V between O and on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor Y continue to operate Start to operate indoor unit in cooling operation at airflow level LOW Change airflow level to HIGH Is it possible to change airflow level to HIGH YES Fan motor operates normally Is it possible to detect DC 1V or more between and OC of m
131. t a hexagon plug may occur wrench 04mm il Fig 10 3 14 How to attach the drain hose Always use the original screw that secured the drain hose to the unit Using a different screw may cause water to leak Insert the drain hose firmly until the connector contacts with the insulation then secure it in place using the original screw CAUTION Securely insert the drain hose and drain cap otherwise water may leak In case of right or left piping e After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 15 In case of bottom right or bottom left piping e After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 16 Left hand connection with piping Bend the connecting pipes so that they are posi tioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm above the wall surface the indoor unit may be unstable When bending the connecting pipe make sure to use a spring bender to avoid crushing the pipe Refer to the table below for the bending radius of each connection pipe Outer diameter Bending radius To connect the pipe after installation of the unit figure To the front flare 220 mm Liquid side Gas
132. t be securely connected If incorrect or incomplete wiring is carried out fire or smoke may result Prepare the power supply for the exclusive use of the air conditioner This product can be connected to the main breaker Connection to fixed wiring A switch or circuit breaker that can disconnect all poles must be included in the fixed wiring 10 5 Test Operation 10 5 4 If the air conditioner operates 10 5 1 Gas Leak Test incorrectly e Check the flare nut connections for gas leaks with a gas leak detector and or soapy water e If two indoor units are installed in the same room or adjoining rooms when the user tries to operate only one unit both units may receive the same remote controller signal and operate This can be Check places for valve cover ted b h i f the ind it d iare purconnection prevented by changing one of the indoor units an indoor unit remote controllers to setting B Al A The default setting for both units is A e If the indoor unit and remote controller settings are different the remote controller signal is not ep accepted SES 1 Setting the remote controller 1 Slide open the remote controller cover and remove the batteries De ee g 2 Cut the jumper wire inside the battery compartment using nippers Fig 10 5 1 e The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire 10 5 2 Test Operati
133. t is matter on the metal surface it assists the flow weak in adhesive strength do not use it for of brazing filler refrigerant pipes e In the brazing process it prevents the metal surface from being oxidized e By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 15 2 Characteristics required for flux e Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux es Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used
134. t of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100Q40W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500uF 400V on PC board and then perform discharging Discharging position Discharging period 10 seconds or more Plug of soldering iron ae Inverter cover P C board Soldered surface rr A ars cs Fig 11 3 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of eq
135. tance to wall H wall 1 250 N Lower part Outline of hanging section installation plate ot Center line of installation plate 91 17 RAS 10SKVP ND RAS 13SKVP ND RAS 16SKVP ND 790 Plasma pure filter Front panel Indoor heat exchanger Air filter 208 250 Knockout system Knockout system Remote controller holder 54 5 60 60 54 5 Installation plate hanging section Wireless remote controller 58 19 A SES S NT Installation plate hanging section 290 Drain hose Outside length 0 54m Connecting pipe Outside length 0 4m g Part of Remote controller Flare 9 52 16SKVP ND 12 7 Connecting pipe WH HO5JE Outside length 0 45m Flare OG 28 Hanging section 25 Stud bolt hole for 6 Minimum to ceiling Stud bolt hole for 8 to 10 Minimum distance to wall Minimum distance to wa 250 Outline of installation plate Lower part hanging section 18 4 2 Outdoor Unit RAS 10SAVP E RAS 13SAVP E RAS 16SAVP E RAS 10SAVP ND RAS 13SAVP ND RAS 16SAVP ND
136. te controller Set temp Ts Operation flow and applicable data etc The cooling or heating capacity depending on the load is According to difference between the setup value of tempera ture and the room temperature the capacity is adjusted by the compressor revolution Indoor unit Room temp Ta Correction of Hz signal Detection of electromotive force of compressor motor winding Detection of motor speed and rotor position Correction value of Hz signal lt Operating Hz Inverter output change Commutation timing change Change of compressor speed Description 1 The difference between set temperature on remote controller Ts and room temperature Ta is calculated 2 According to the temperature difference the correction value of Hz signal which determines the compressor speed is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on the motor winding with operation of the compressor 4 According to the difference resulted from comparison of the correction value of Hz signal with the present operation Hz the inverter output and the commuta tion timing are varied 5 Change the compressor motor speed by outputting power to the compressor The contents of control operation are same in cooling operation and heating opera tion 5 Current release This function prevents troubles on the electronic parts of the compressor driving inver
137. ter control This function also controls drive circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the specified value Outdoor unit inverter main circuit control current Outdoor temp To Setup of current release point Operating current lt Setup value YES Capacity control continues Outdoor temp 50 C lt TO 45 C lt TO lt 50 C Cooling current release value Reduce compressor speed Current decrease Heating current release value 40 C lt TO lt 45 C 16 C lt TO lt 40 C 11 C lt TO lt 16 C 5 C lt TO lt 11 C TO lt 5 C 34 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the detected outdoor temperature the specified value of the current is selected 3 Whether the current value exceeds the specified value or not is judged 4 If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range which does not exceed the specified value Operation flow and applicable data etc Description 6 Release protective lt In cooling dry operation gt 1 When temperature of the indoor control by tempera Prevent freezing control for indoor heat exchanger heat exchanger drops below 5 C
138. th the earth wire under the REES terminal block and secure it with the earth screw 6 Tightening torque 1 2 Nem 0 12 kgf m CAUTION 7 Secure the connecting cable with the cord clamp 8 Attach the terminal cover rear plate bushing and air inlet grille on the indoor unit Failure to securely install the unit may result in personal injury and or property damage if the unit falls CAUTION e In case of block brick concrete or similar type e Be sure to refer to the wiring system diagram walls drill 5 mm dia holes in the wall labeled inside the front panel e Insert clip anchors for the mounting screws e Check local electrical regulations for any specific wiring instructions or limitations NOTE e Install the installation plate using between 4 to 6 mounting screws making sure all four corners are secure 59 Terminal cover Screw Terminal block Earth wire Cord clamp Connecting cable Fig 10 3 6 Terminal block Earth wire loop Earth screw Fig 10 3 7 Connecting cable About 15 cm 10mm DAAN 10mm L 50mm Fig 10 3 9 Fig 10 3 8 110mm Earth line NOTE e Connecting cable Indoor unit outdoor unit e Wire type HO7RN F or 60245IEC66 1 0 mm 10 3 5 Piping and Drain Hose Installation Piping and drain hose forming e Since condensation r
139. th the stop position as the Swing center When pushing SWING If the stop position exceeds either upper or lower limit position swing button during operation operation is performed in width 35 from the limit which the stop the louver starts position exceeded swinging 10 SLEEP MODE operation Operation flow and applicable data etc When pushing SLEEP MODE button on the remote controller a quiet and mild operation is performed by reducing the fan speed and the compressor speed lt Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each Compressor speed rps Fan speed Time rpm correction 1 zone 0 1 zone SUL W3 min 1 Room temp Set temp lt Heating operation gt B zone 16 to 52 rps 38 Description lt Cooling operation gt 1 The indoor fan speed is con trolled between L and SUL The compressor speed in control as shown in the left figure 2 The set temperature increased 0 5 C per hour up to 2 C starting from the set temperature when SLEEP MODE has been received lt Heating operation gt 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max 52 rps the temperature zone in
140. ton stops the operation during 8 C HEAT operation 20 8 C HEAT operation ND model only Operation flow and applicable data etc lt Indoor fan control gt Push 8 C button Fan speed AUTO Fan speed setup MANUAL indication Fan speed M WA YES TC 2 42 C Min air flow rate control NO Limited to Min WD tap No limit Fan speed TC 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Basic fan control 1 Fan speed M L x1 4 4 L 2 Fan speed M L x2 4 L 3 Fan speed M L x3 4 4 L Calculated with linear approximation from M and L lt Compressor speed control gt Refer to 4 Capacity control 48 Description lt Indoor fan control gt When 8 C HEAT operation the indoor fan control rises up automati cally When the indoor fan is operated manually it is matched with the fan tap However the cold draft preventive control becomes invalid lt Compressor speed control gt The compressor speed control is carried out according to 4 Capacity control Operation flow and applicable data etc Description 21 Cord heater control lt Base plate cord heater control gt 1 Purpose ND model only Base plate freeze prevention of the outdoor unit Heater output Operation As shown in the left figure the base plate freeze preventive heater is controlled by temperature of the outside temp
141. tor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control 70 11 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Block display Description for self diagnosis OPERATION Green Flashing display 1 Hz Power failure when power is ON Indoor indication lamp flashes OPERATION Green Which lamp Flashing display 5 Hz does flash Protective circuit operation for indoor P C board OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz l emm
142. tton is pushed during operation The mark is shown when holding down the button for 3 seconds or more while the mark is flashing Push another button to turn off the mark 9 SLEEP MODE indicator Indicates when the SLEEP MODE is in activated Push the SLEEP MODE button to start and push it again to stop operation 10 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position T RI ITT IT pm IU UU NOS In the illustration all indications are shown for purposes of explanation During operation only the relevant indicators are shown on the remote controller 9 6 Hi POWER Mode Hi POWER button on the remote controller is pushed When Hi POWER button is pushed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation e The preset temperature changes according to the operation mode selected In the Cooling operation the preset temperature drops 1 C In the Heating operation the preset temperature increases 2 C 2 Cooling operation Manual e The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change 3 Heating operation Manual e The preset temperature
143. uipment but it is indispensable for controlling and main taining of air conditioner Table 11 1 1 Operation of air conditioner When power breaker is turned ON the operation indicator Green of the indoor unit flashes Description The OPERATION lamp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and SLEEP MODE FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 min utes and Max 91 rps for 2 minutes to 3 minutes respec tively after the operation has started In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor mo
144. ut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 A mm Outer diameter mm Thickness mm Flare tool for R22 clutch type Nominal a Conventional flare tool diameter ent are too Clutch type Wing nut type 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 3 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B c mm 11 Table 3 2 6 Flare and flare nut dimensions for R22 Dimension mm Nominal Outer diameter Thickness Flare nut width diameter mm mm B c mm lo 45 Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the t
145. ve ion while cleaning the air in the room If air purifier ON signal is received while the air conditioner stops the air purifier starts operation and if it is received while the air conditioner operates the air conditioner and the air purifier start operation The air ion generator operates linked with the air purifying operation When the previous operation was the operation of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory Operation button PURE button Air purifier Stop All AC Air purifier AC operation Present status Air conditioner AC operation AC Air purifier All stop Stop Air purifier only Air conditioner Joint use of AC and air purifier All stop Air purifying operation Cooling position AUTO L L M M H AC Air purifying operation Follows to AC operation Follows to AC operation 1 Swing is available 2 Fan speed is Fan Auto mode varies in order M 1 gt L gt L gt SL Sending air purifier ON Sending air purifier OFF Air conditioner stops Operation lamp ON 1 Memory position of louver COOL 2 ON ORO Air conditioner Air purifier operate Filter OFF Air conditioner operates ORO Air conditioner operates Start of air purifier ON Air conditioner air pu
146. vel to AUTO e Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition 1 Check whether or not the com pressor operates 2 Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat ex changer sensor is loose The connector is disconnected CN62 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main PC board is defective If the above condition No 5 still continues start the unit in the following condition e Set the operation mode to HEAT e Set the preset temperature much higher than room tem perature Check whether or not the com pressor operates Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer sensor short circuited CN62 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main PC board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition e Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Check it is impossible to detect the voltage DC 15V between 3 and 4
147. vision of the tempera ture for each outdoor temperature and the heat is stored Defrost control Only in heating operation This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system Start of heating operation 0 Outdoor heat exchanger temperature Operation time MEN Minute 35 xi TeO detection time The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te Table 1 When Te0 TE 2 5 continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts When Te0 TE 3 continued for 2 minutes in C zone defrost operation starts 36 The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B or C zone each Table 1 lt Defrost operation gt e Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert ON 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38

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