Service Manual
Contents
1. 9 4 UDIM NSIONS 10 4 1 10 4 2 Outdoor ts 12 5 Refrigeration Cycle Diagram 13 5 1 CS S9NKUW 1 CU SONKU 1 CS S12NKUW 1 CU S12NKU 13 5 2 CS S18NKU 1 CU S18NKU 1 CS S22NKU 1 CU S22NKU 1 14 6 Block Diagram 15 6 1 CS S9NKUW 1 CU SONKU 1 CS S12NKUW 1 CU S12NKU 1 15 6 2 CS S18NKU 1 CU S18NKU 1 CS S22NKU 1 CU S22NKU 1 16 Wiring Connection Diagram 17 7 1 Indoor UniL Rs 17 7 2 Outdoor Unit 19 8 Electronic Circuit Diagram 22 8 1 Indoor Unit iii a lu nie anodes 22 8 2 Outdoor 24 9 Printed Circuit Board 27 9 1 Indoor Unit eoo ettet 27 9 2 Outdoor Uniti ies 29 10 Installation Instruction 31 10 1 S9NKUW 1 S12NKUW 31 10 2 S18NKU 1 522 0 41 39 11 Operation Control 47 11 1 Basic Function 47 11 2 Indoor Fan Motor Operation 48 11 3 Outdoor Fan Motor Operation For S9NK and S12NK 48 11 44 Ou2. LINN OL nA 4 8 H3MOd 19 CU S18NKU 1 7 2 2 H3TIOHLNOO OINOH1O313 1HM A3 NO 31314WOO 100 3137dWOD HOSN3S 9 HO1SIWH3H L HOSN3S 3HNLVH3IAW3IL HOSS3HdWOO HOOQ1nO 313dWOO HOSN3S HOLSINH3H L HOSN3S 34N1VH3dW3L H3ONVHOX3 1V3H HIV HOOOLNO HOLSINHSHL HOSN3S HIV HOOGLNO 39076 HOSSIHAWOI 3409 Sy Ee hoe ez TIVNINHIL HOSS3HdIANOO H3AO9 TWNIWH3L NO SI H31131 032153 1 3 JHL 25 HVIN3OVHL ima 2222227 3409 2 ola tn 034 E an 13A MOTI3A LINN HOOQNI OL I AlddNS H3MOd 20 CU S22NKU 1 7 2 3 JATVA 3131dWOO HOSN3S HOLSINHIHL HOSN3S SYUNLVHAdWAL HOSS3HdWOO HOOGLNO 3131IdHWOD HOSNIS HOLSIWH3H L HOSN3S 3HhniVvH3dW31 H3ONVHOX3 1V3H HIV HOOOLNO HO1SIWH3H1 HOSN3S 3H4NLVHIJWAL HIV HOOGLNO Ans HOLIOVdVO nma HOSS3HdWOO Q3ZIS3H1N3HVd JHL XuviW3aavul 038 S a r hha 4 034 ama mi ane A OL 21 me AW14SIQ a gt M3TIOMINOO OINOH1O313 3L idWoo dSIQ NO M3TIOMINOO L L Im 1 YATIOULNOO OINOH10313 D it Diagram IFCUI 8 Electronic C Indoor Unit 8 1 CS S9NKUW 1 CS S12NKUW 1
3. OUTDOOR UNIT INDOOR UNIT 62 CS S18NKU 1 CU S18NKU 1 CS S22NKU 1 CU S22NKU 1 n RY PWR1 UNIT 0UTDOOR INDOOR UNIT i SC j 1 1 THERMAL FUSE FUSE N33H59 MOTT13A 9 A N3349 9 AVHO H59 ALIHM M MOTI3A A 1 413 UMORE US U3TIOHLNOO OINOHIO313 Nid d 3n 18 g H 21 dSIG NO L A SM4HVWN34 3131dWOO ja HOLOW U3TIONINOO o 18 310W3H A oJ a li I dSIQ NO Bi eir BOERS L HOLVHOdVA3 1 i 3131dWOO r 1 1 CdNW31 HOSNIS 9 1 WNIWH3L 9 JINOVLOZTA CELA NEM Y 3409 D A B mt 311434 ve 4 9 SLZ MIA IVLVQ NO 4 t gt e IWLS NO Im as gp gt a SEA 5 HOLOW 15 gt of A ra gt 2 MS TCM ES gt 8 1 10 0 1063603 Or l NOSZI VS L l IVNIWHAL 17 iring Connection Diagram 7 Indoor Unit 7 1 CS S9NKUW 1 CS S12NKUW 1 T 1 1 CS S18NKU 1 CS S22NKU 1 7 1 2 N33H9 MOTI13A 9 A N33H9 9 AVHO HO9 3L1IHM M MOTIJA A 18 18 3ONVHO O NMOHS H8 I iai NO Nid d
4. p HEN dSIO NO 3131dWOO HITIONINOO 2247 as 1 li 1 I CdW31 HIV HOSN3S Li 3131dWOO HOSN3S i b 3131dWOO dW3 3dld HOSN3S WNIWH3L uITIOULNOO pax 903193731 r1 I S I til D A ZWLS NO 1 ug l I 1 MTA I YOLOW SNIdd31S l I IV1VO NO I I I IW1S NO 9 8 k e 2 ete d 8 8 2 gt 2 c O O gt 5 LOMS orlo 10 3SN4 l A0S21 VS I 1 3131dWOO 225 77 04 21 4080 TVNING3 L 18 7 2 Outdoor Unit CU S9NKU 1 CU S12NKU 1 7 2 1 71 H3TIOHLNOO JINOY 19373 14 Jj gt HOLOM T S E d 018 ma 31314003 HOSN3S MOSZI HOLSIWH3H L 23504 9 HOSN3S 34N1VH3dW3L dWOO lt lt 10180 XNVLENO NYS 31971909 HOSN3S HOLSIWH3H L HOSNAS 3WNIVH3AWAL c 3400 2 HLNO l HOLSINH3HL IE HOSN3S IHNLVHIAWIL HIV ti k m MO HM AB _ ________ JNH9 ale AHO 1 225 2 A eo mn 1 011 0 2 e An tawx ara 20 585 NOLLC3NNOO 7 S UJPUJM s0ssasdwod jo
5. 55 13 1 Auto Off On Button 2 2 2 55 13 2 Remote Control Button 56 14 Troubleshooting Guide 57 14 1 Refrigeration Cycle System 57 14 2 Breakdown Self Diagnosis Function 59 14 3 Error Code 60 14 4 Troubleshooting Flowchart 61 15 Disassembly and Assembly Instructions 84 15 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 84 16 Technical 88 16 1 Operation Characteristics 88 17 Exploded View and Replacement Parts List 96 17 1 Indoor 96 17 2 Outdoor 100 1 Safetv Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing Electrical work must be installed or serviced by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model installed The caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified
6. 8 1 1 I I I GAR AU i CdW31 NOSN3S 3131dW09 i 3131dWO9 1 dW3L 31 HOSNIS 9 A WNIWH3L I T REN ESTIOBINOO SWEET JINOHLO313 Qj 2400 9 A i I E oni 1 ve 4 9512 MW 3504 m IVLVQ NO TVWHSHL mia 25 NUS L ea e e EE 5 i9 LT o ma M j 1069 iz IS g of E 9 4 fi E H gt x UM RETE Hoia T HOLOW DNIdd31S roc CHM SS A 1028 6 MS CM ui LOMS ona 18 G Mo e tocasng 008 AOSZI VSVEL 3131dWNO9 QuvOH i IVNIWHAL LINN HOOQLNO OL 22 CS S18NKU 1 CS S22NKU 1 8 1 2 avs e M3TIOHINOO OINO419373 3131dWOO l B3TIOMINOO dSIO NO 944 9 mv 1 5102 W3 NO d 8 T I I I I dW31 HIV HOSN3S TA TAT TAL 3131dWOO WOSNIS i l 3131dWOO CdW3 L 3dld HOSN3S H p E Loo 4 5061 20 10 T H all Lot TER i NAI i O 1 5 5 H3TIOHLNOO i 2 41 4 o boe 19313 A 3809 D A zl f 3114833 di 3 9912 ue 35014 MIA I 8O1ON SNidd31S ID IVLVO NO WWY3HL veo 8 HE i OI oc IONO N49 o dj ll d il 71 19 5
7. 875 34 15 32 Depth I D O D inch 235 9 9 32 320 12 5 8 235 9 9 32 320 12 5 8 Weight Net I D O D kg Ib 12 26 52 115 Pipe Diameter Liquid Gas mm inch 6 35 1 4 12 70 1 2 6 35 1 4 15 88 5 8 Standard length m ft 5 0 16 4 5 0 16 4 Length range min max m ft 3 9 8 20 65 6 3 9 8 20 65 6 10 amp O D Height different m ft 15 49 2 15 49 2 Additional Gas Amount g m oz ft 20 0 2 20 0 2 Length for Additional Gas m ft 10 32 8 10 32 8 Drain Hose Me Diameter mm inch 16 7 5 8 Length mm inch 650 25 5 8 650 25 5 8 Fin Material Aluminium Pre Coat Aluminium Pre Coat Refrigeration Cycle Indoor Heat Fin Type Slit Fin Slit Fin Exchanger Row x Stage x FPI 2x15x21 2x15x21 Size W x Hx L i 1 x 12 3 8 x 31 7 8 1 x 12 3 8 x 31 7 8 Fin Material Aluminium Blue coated Aluminium Blue coated Outdoor Fin Type Corrugate Fin Corrugate Fin Heat Row x Stage x 2x36x19 2 36 x 18 Exchanger 1 3 8 29 3 4 x 24 318 1 3 8 29 3 4 33 Size Wix ki XL 24 318 31 7 8 Material Polvpropelene Polvpropelene Air Filter Type One touch One touch Power Supply Outdoor Outdoor Power Supply Cord Thermostat Protection Device DRY BULB WET BULB DRY BULB WET BULB Maximum 89 6 73 4 89 6 73 4 Indoor Operation Range Minimum 60
8. HOSS3HAWOD HOOQLNO 31371dWO9 HOSN3S HOLSINGIHL HOSNIS 34N1VH3dW3L JAVA aNvaxa 313 1d OO 109 HOLSINHIHL HOSN3S 3HNLVH3AW3L HIV HOOOLNO NEL 0521 5 21 13513 HOSS3HdWOO 15 T 4 n suns 310 HOLIOVAVO 1HM wiov No 118 Lo 038 a HOLOW a Sii a NUI 1093 it A SR KIKI 8 ss voz AoSz 3sna 2 2 5 e ov 00715 3409 f 2 s _ Joss HR BACAN WW 119 HOLOV3H AlddNS H3MOd 25 CU S22NKU 1 8 2 3 H3TIOHLNOO OINOt10313 31314009 HOSN3S HOLSINGIHL HOSN3S 34N1VH3dAW3L HOSS3HAWOD HOOQLNO 31371dWO9 HOSN3S HOLSINH3H L 1109 HOLSINGIHL HOSNIS 34NLVH3dW3L HIV HOOOLNO 3186 1HM aum fs HOSS3HdWOO 3409 l 7 qu HOLOWNVA fom IRSE 17 A 1219 1 atolo 1 o olo L 9 c 5 NH9 1093 a ISS voz 71052 asna na 5 28 Josu CoA E A m T AlddNS H3MOd 26 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board CN DATA1 3 CN STM2 S18
9. Outdoor Power Supply Cord Thermostat Protection Device DRY BULB WET BULB DRY BULB WET BULB Maximum 89 6 73 4 89 6 73 4 Minimum 60 8 51 8 60 8 51 8 Maximum 109 4 78 8 109 4 78 8 Minimum 60 8 51 8 60 8 51 8 Indoor Operation Range Outdoor Operation Range 1 Cooling capacities are based on indoor temperature of 80 6 F DRY BULB 66 F WET BULB and outdoor air temperature of 95 F DRY BULB 75 2 F WET BULB Indoor CS S18NKU 1 CS S22NKU 1 ode Outdoor CU S18NKU 1 CU S22NKU 1 Performance Test Condition ARI ARI Phase Hz Single 60 Single 60 Power Supply V 208 230 208 kW 1 30 5 01 5 80 1 30 5 01 5 80 1 30 6 18 6 85 1 30 Capacity BTU h 4400 17100 19800 4400 17100 19800 4400 21000 23400 4400 21000 23400 Running Current A 8 3 7 5 Input Power W 250 1 65 1 95k 250 1 65k 1 95k W W 5 20 3 04 2 97 5 20 3 04 2 97 EER 5 Btu hW 17 60 10 35 10 15 17 60 10 35 10 15 Power Factor 96 96 96 dB A 47 391 36 47 139 36 47 139 36 47 139 36 Indoor Noise H L QLo Power Level dB 63 63 63 63 dB A 471 1 47 1 1 50 1 50 Outdoor Noise H L QLo Power Level dB 61 61 64 64 Max Current A Max Input
10. Power W 9 0 1 99k 10 8 2 48k Starting Current A 8 3 Min Circuit Ampacity 15 0 Max Overcurrent Protection 20 0 Type Hermetic Motor Scroll Hermetic Motor Scroll Compressor Motor Type Brushless 4 poles Brushless 4 poles Type Cross flow fan Cross flow fan Material ASG30K1 ASG30K1 Motor Type Transistor 8 poles Transistor 8 poles 2 Input Power w 94 8 94 8 94 8 94 8 E Output Power 30 30 8 Hi rpm SHi rpm Type Propeller Propeller c Material PP PP Motor Induction 8 poles Induction 8 poles 8 Input Power w 5 Output Power 38 38 Speed Hi rpm 500 550 550 600 Moisture Removal L h Pt h 1 7 3 6 QLo m min ft min 11 73 414 11 73 414 Lo m min ft min 13 15 464 13 15 464 Indoor Airflow Me m min ft min 15 70 554 15 70 554 Hi m min fti min 18 4 650 18 4 650 SHi m min ft min 18 97 670 18 97 670 2 Hi m min ft min 37 5 1325 41 6 1470 43 8 1545 47 5 1675 Control Device Expansion Valve Expansion Valve Refrigerant Oil RB68A Freol Alpha68M 400 RB68A or Freol Alpha68M 400 Refrigerant Type 1 18k 41 7 R410A 1 37k 48 4 Height I D O D mm inch 290 11 7 16 795 31 5 16 290 11 7 16 795 31 5 16 Dimension Width I D O D mm inch 1070 42 5 32 875 34 15 32 1070 42 5 32
11. S22NKU 1 only CN STM1 CN DISP 27 9 1 2 Power Printed Circuit Board AC303 AC302 G301 13 L o i ii 72 1 ti C305 gt duc 5 CN DATA1 9 1 3 Indicator Printed Circuit Board NENNEN g 2223222 20206 LED201 LED202 LED203 LED204 LED205 20207 1 IC201 CN DISP 28 9 2 Outdoor Unit 9 2 1 Main Printed Circuit Board 9 2 1 1 CU S9NKU 1 CU S12NKU 1 e AC WHT May DATA LL D 2 jat CERE AC BLK mm lt up 5 AA 2 3 29 9 2 1 2 CU S18NKU 1 CU S22NKU 1 TOTALI 8 SE 2 m 30
12. by the following indications A WARNING This indication shows the possibilitv of causing death or serious injurv A CAUTION This indication shows the possibilitv of causing injurv or damage to properties The items to be followed are classified bv the svmbols This symbol denotes item that is PROHIBITED from doing Carry out test run to confirm that no abnormality occurs after the servicing Then explain to user the operation care and maintenance as stated in instructions Please remind the customer to keep the operating instructions for future reference N WARNING Do not modify the machine part material during repairing service 2 Ifwiring unit is supplied as repairing part do not repair or connect the wire even only partial wire break Exchange the whole wiring unit 3 Do not wrench the fasten terminal Pull it out or insert it straightly 4 Engage authorized dealer or specialist for installation and servicing If installation of servicing done by the user is defective it will cause water leakage electrical shock or fire 5 Install according to this installation instructions strictly If installation is defective it will cause water leakage electric shock or fire 6 Use the attached accessories parts and specified parts for installation and servicing Otherwise it will cause the set to fall water leakage fire or electrical shock 1 Insta
13. intake direction Left piping Air outlet 34 9 32 hole direction Bottom View 29 25 413 25 Rear View 13 5 2 2 5 14 3 16 IEEE 3 Liquid side Relative position between the indoor unit and the installation polate lt FrontView gt 21 57 100 Installation plate P AA c i i e e Indocr unit extemal GE uuu UMAR dimensions line 10 Side View 8 1 16 N SN D AS i Right piping hole 117 16 Remote Control 117 20 87 100 57 25 2 2 5 13 20 10 2 5 4 1 2 CS S18NKU 1 CS S22NKU 1 Top View 42 5 32 Side View lt Side View gt intake Front View T direction Left o piping S N Air outlet Right piping hole direction Remote control transmitter 87 100 1 17 20 57 25 14 3 16 13 5 2 2 5 Relative position between the indoor unit and the installation plate Front View 29 9 20 Installation ee plate f TFS e o o 7 gt o Indoor unit external g dimensions o line TA 11 4 2 Outdoor Unit 4 2 1 CU S9NKU 1 CU S12NKU 1 Space necessary for Top View installation 24 25 30 23 32 ras 3 47 50 inch 3 3 47 5 7 Z 39 2 5 inch 777 Anchor Bolt Pitch 12 3 5 x 22 11 25 SS 2 way valve at Liquid side High Press
14. 1059 gu Lt 2 j I 0 9 i 2 29 410 M Q34 y tole et US FI pt 2 yo ov 9 2 T HOLOW DNIdd31S Lee D oci Ye 1028 6 ms 8 l i 10 5 ong T 38 oinv o op 10 3SN4 gt AOSZ1 VS IEL 3131dWOO 5 4 i quvog 522 121050226 LINN HOOGLNO OL 23 82 Outdoor Unit 8 2 1 CU S9NKU 1 CU S12NKU 1 POWER SUPPLY Y TO INDOOR UNIT mulu 2 m url CN TH AIR TEMPERATURE SENSOR WHT THERMISTOR KI USS SST PIPE TEMPERATURE SENSOR THERMISTOR SENSOR COMPLETE GRN COMP TEMPERATURE SENSOR THERMISTOR 7 dines y MOTOR CORE The unit turn to the Rated Frequency Cooling Operation by short circuiting CN S after applying power between the terminal 1 and 2 Operation of the compressor and the outdoor fan motor can be checked by applying power after short circuiting CN S Sensor Thermistor Characteristics G0utoor Sensor AT QOutdoor Heat Exchanger ALT Sensor mm Resistance ka Resistance ko 14 32 50 68 86 104 122 68 104 140 176 212 248 284 Temperature F gt Temperature F gt 24 CU S18NKU 1 8 2 2 H3TIOHLNOO 5 19313 TIT 3131d4WOO HOSN3S HOLSINGIHL HOSN3S JYNLVUIANIL
15. 3 Btu hW 16 40 12 10 11 30 16 40 12 10 11 30 Power Factor 96 91 dB A 40 25 20 40 25 20 43 28 20 43 28 20 Indoor Noise H L QLo Power Level dB 56 56 59 59 dB A 451 1 471 1 46 1 48 1 Outdoor Noise H L QLo Power Level dB 60 62 61 63 Max Current A Max Input Power W 4 1 900 5 4 1 22k Hermetic Motor Rotarv Hermetic Motor Rotarv Compressor Motor Tvpe Brushless 6 poles Brushless 6 poles Output Power 700 700 Cross flow fan Cross flow fan Material ASG20K1 ASG20K1 Motor Type Transistor 8 poles Input Power w 47 0 47 0 Output Power 30 8 QLo rpm Lo rpm Speed Me rpm Hi rpm SHi rpm Type Propeller Propeller c Material PP PP Induction 6 poles Induction 6 poles 8 Input Power Ww Output Power 28 28 760 840 760 840 Moisture Removal L h Pt h 0 6 1 3 QLo m min f amp min 5 65 199 Lo m min ft min 6 76 239 Indoor Airflow Me m min ft min 9 08 321 Hi m min ft min 11 4 400 SHi m min ft min 12 51 442 13 36 472 prs Hi m min ft min 29 7 1050 31 0 1095 29 7 1050 31 0 1095 Control Device Capillarv Tube Capillarv Tube Refrigerant Oil i RB68A or Freol Alpha68M 320 RB68A or Freol Alpha68M 320 Refrigerant Type R410A 965 3
16. 4 1 980 34 6 Height I D O D mm inch 290 11 7 16 540 21 9 32 290 11 7 16 540 21 9 32 Dimension Width I D O D inch 870 34 9 32 780 30 23 32 870 34 9 32 780 30 23 32 Depth I D O D inch 204 8 1 16 289 11 13 32 204 8 1 16 289 11 13 32 Weight Net I D O D kg Ib Pipe Diameter Liquid Gas Standard length m ft 7 5 24 6 7 5 24 6 Length range min max m ft 3 9 8 15 49 2 3 9 8 15 49 2 D amp O D Height different m ft 5 16 4 5 16 4 Additional Gas Amount g m oz ft 20 0 2 20 0 2 Length for Additional Gas m ft 7 5 24 6 7 5 24 6 Inner Diameter mm inch 16 7 5 8 16 7 5 8 Length mm inch 650 25 5 8 650 25 5 8 Refrigeration Cycle mm inch 6 35 1 4 9 52 3 8 6 35 1 4 12 70 1 2 Drain Hose Fin Material Aluminium Pre Coat Aluminium Pre Coat Indoor Fin Type Slit Fin Slit Fin Exchanger Row x Stage x 2x15x19 2x15x21 Size W x H x L i 1 x 12 3 8 x 24 1 x 12 3 8 x 24 Fin Material Aluminium Blue coated Aluminium Blue coated Outdoor Fin Type Corrugate Fin Corrugate Fin Heat Row x Stage x FPI 2x24x17 2x24x17 Exchanger 1 3 8 x 19718 28 1 8 1 3 8 x 19718 28 1 8 WWX NL 26 7 8 26 7 8 Material Polypropelene Polypropelene Air Filter Type One touch One touch Power Supply Outdoor
17. 8 60 8 51 8 109 4 i 109 4 78 8 Minimum 60 8 60 8 51 8 Outdoor Operation Range 1 Cooling capacities are based on indoor temperature of 80 6 F DRY BULB 66 F WET BULB and outdoor air temperature of 95 F DRY BULB 75 2 F WET BULB 3 Location of Controls and Components 3 1 Indoor Unit Aluminium Fin Front Panel direction louver S9NKUW 1 S12NKUW 1 S18NKU 1 S22NKU 1 Manually adjustable Do not adjust by hand 3 2 Outdoor Unit Air inlet rear Air inlet side Air outlet Remote control display OFF ON MODE Operation mode FAN SPEED pow TEMP AjR SWING y ts QUIET POWERFUL Fan speed selection Vertical air flow direction selection Powerful operation S9NKUW 1 SIZNKUW 1 Auto OFF ON button Air Filters Remote Control Receiver INDICATOR mmm POWER Green TIMER Orange zz QUIET Orange EEE POWERFUL Orange Vertical airflow direction louver Do not adjust by hand AIR CONDITIONER OFF ONO Air flow direction selection QUIET POWERFUL AIR SWING SET CHECK CLOCK RESET Panasonic INVERTER S18NKU 1 S24NKU 1 A Dimensions 4 1 Indoor Unit 4 1 1 CS S9NKUW 1 CS S12NKUW 1 View Side View Air
18. Order No PHAAM1111084C1 Manual Mir Conditioner Indoor Unit Outdoor Unit 5 59 1 CU SONKU 1 CS S12NKUW 1 CU S12NKU 1 CS S18NKU 1 CU S18NKU 1 CS S22NKU 1 CU S22NKU 1 Please file and use this manual together with the service manual for Model No CU 2S18NBU Order No PHAAM1111121C1 N WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the products dealt with in this service information by anyone else could result in serious injury or death PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit anason IC Panasonic HA Air Conditioning M Sdn Bhd 2011 Unauthorized copying and distribution is a violation of law TABLE OF CONTENTS 1 Safety Precautions 3 2 Specification aces 5 3 Location of Controls and Components 9 3 1 Indoor Unit aw tene 9 3 2 Outdoor 9 3 3 Remote Control
19. ck the refrigerant and oil before S installation new unit Thickness of copper pipes used with R410A must be more than 0 6mm Never use copper pipes thinner than 0 6mm It is desirable that the amount of residual oil is less than 40 mg 10m WARNING During installation install the refrigerant piping properly before run the compressor Operation of compressor without fixing refrigeration 19 piping and valves at opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc During pump down operation stop the compressor before remove the refrigeration piping Removal of refrigeration piping while 20 compressor is operating and valves are opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc 21 After completion of installation or service confirm there is no leakage of refrigerant gas It mav generate toxic gas when the refrigerant contacts with fire 22 Ventilate if there is refrigerant gas leakage during operation It may cause toxic gas when the refrigerant contacts with fire 23 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury 24 Must not use other parts except original parts describe in catalog and manual 25 Using of refrigerant other than the specified type may cause product damage burst and in
20. e piping Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion injury etc 13 Do not install outdoor unit near handrail of veranda When installing air conditioner unit at veranda of high rise building child may climb up to outdoor unit and cross over the handrail and causing accident 14 This equipment must be properlv earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and S telephone Otherwise it may cause electrical shock in case equipment breakdown or insulation breakdown 15 Keep away from small children the thin film may cling to nose and mouth and prevent breathing 16 Do not use unspecified cord modified cord joint cord or extension cord for power supplv Do not share the single outlet with S other electrical appliances Poor contact poor insulation or over current will cause electrical shock or fire 17 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage For R410A models when connecting the piping do not use any existing R22 pipes and flares nuts Using such same may cause abnormally high pressure in the refrigeration cycle piping and possibly result in explosion and injury In case of using existing 18 R22 pipes during installation of RA10A models must carry out pump down properly to collect ba
21. jury etc N CAUTION 1 Do not install the unit at place where leakage of flammable gas mav occur In case gas leaks and accumulates at surrounding of S the unit it may cause fire Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the furniture 3 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury 5 Select an installation location which is easy for maintenance Pb free solder has a higher melting point than standard solder typically the melting point 15 50 F 70 F 30 40 higher Please use 6 ahigh temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 1090 Pb free solder will tend to splash when heated too high about 1100 F 600 C Power supply connection to the air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 7 Power supply connection to the
22. ll at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 8 For electrical work follow the local national wiring standard regulation and the installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 9 This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown Do not use joint cable for indoor outdoor connection cable Use the specified indoor outdoor connection cable refer to installation 10 instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp the cable so that no external force will be acted on the terminal If connecting or fixing is not perfect it will cause heat up or fire at the connection 11 Wire routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed perfectly it will cause heat up or fire at the connection point of terminal fire or electrical shock 12 When install or relocate air conditioner do not let any substance other than the specified refrigerant eg air etc mix into refrigeration cycl
23. receptacle using a power plug Use an approved 15 16A 1 0 1 75HP or 16A 2 0HP or 20A 2 5HP power plug with earth pin for the connection to the socket ii Power supply connection to a circuit breaker for the permanent connection Use an approved 16A 1 0 2 0HP or 20A 2 5HP circuit breaker for the permanent connection It must be a double pole switch with a minimum 3 0 mm contact gap 8 Do not release refrigerant during piping work for installation servicing reinstallation and during repairing a refrigerant parts Take S care of the liquid refrigerant it may cause frostbite 9 Installation or servicing work It may need two people to carry out the installation or servicing work 10 Do notinstall this appliance in a laundry room or other location where water may drip from the ceiling etc 11 Do not sit or step on the unit you may fall down accidentally 12 Do not touch the sharp aluminum fins sharp parts may cause injury 2 Specification Indoor CS S9NKUW 1 CS S12NKUW 1 ode Outdoor CU S9NKU 1 CU S12NKU 1 Performance Test Condition ARI Phase Hz Single 60 Power Supply V 208 230 208 un kW 1 20 249 3 00 1 20 3 00 Capacity BTU h 4100 8500 10200 4100 8500 10200 4100 Running Current A 3 7 Input Power W 250 700 900 250 900 W W 4 80 3 56 3 33 4 80 3 3
24. tdoor Fan Motor Operation For 518 and S22NK 48 11 5 Airflow 48 11 6 Quiet Operation Cooling Mode Cooling Area of Dry 49 11 7 Powerful Mode 50 11 8 Timer 50 11 9 Random Auto Restart Control 50 11 10 Indication 51 12 Protection 52 12 1 Restart Control Time Delay Safety Control A 52 12 2 30 Seconds Forced Operation 52 12 3 Total Running Current Control 52 12 4 IPM Power Transistor Prevention Control52 12 5 Compressor Overheating Prevention Control For 818 S22NK only 53 12 6 Low Pressure Protection Control Gas Leakage Detection 53 12 7 Low Frequency Protection Control 1 53 12 8 Low Frequency Protection Control 2 53 12 9 Outdoor Air Temperature Control 54 12 10 Cooling Overload Control 54 12 11 Freeze Prevention Control 54 12 12 Freeze Prevention Control 2 54 12 13 Dew Prevention Control 54 13 Servicing Mode
25. ure 3 way valve at Gas side Low Pressure Side View i 9 20 11 13 32 Side View 9 20 ____111552 AL CJ CO 0 Cc CO CoC CO Cc Cc Cc CO OO 10000000000008 4 2 2 CU S18NKU 1 CU S22NKU 1 Space necessary for lt Top View gt installation MET T E 12 25 54 25 2 3 47 50 incl gt EE 2 39 2 5 inch 34 15 32 2 19 25 24 110 5 4 25 14 2 5 Anchor Bolt Pitch 12 3 5 x 22 11 25 Side View 28 25 1258 Side View Front View 31 5 16 12 5 Refrigeration Cvcle Diagram 5 1 CS SONKUW 1 CU S9NKU 1 CS S12NKUW 1 CU S12NKU 1 INTAKE TEMP SENSOR HEAT EXCHANGER EVAPORATOR COOLING HEATING INDOOR PIPE TEMP SENSOR OUTDOOR CAPILLARY TUBE C3 CAPILLARY TUBE C1 PIPE TEMP SENSOR INTAKE TEMP SENSOR EXCHANGER CONDENSER I COMPRESSOR TEMP SENSOR 13 5 2 CS S18NKU 1 CU S18NKU 1 CS S22NKU 1 CU S22NKU 1 INDOOR OUTDOOR LIQUID EXPANSION STRAINER PIPE TEMP PIPE TEMP SENSOR SENSOR TEMP SENSOR LI TEMP SENSOR I HEAT EXCHANGER HEAT EXCHANGER EVAPORATOR CONDENSER n COMPRESSOR TEMP SENSOR COMPRESSOR COOLING HEATING 14 6 Block Diagram 6 1 CS S9NKUW 1 CU S9NKU 1 CS S12NKUW 1 CU S12NKU 1 REACTOR
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